Yan Zhao's Publications

Yan Zhao's departmental profile: https://www.chem.iastate.edu/people/yan-zhao

Research Interests: https://www.chem.iastate.edu/yan-zhao-research-interests

Recent group photos: https://www.chem.iastate.edu/zhao-group


2024

150. Mohan Lakavathu and Yan Zhao* “Direct Synthesis of Artificial Esterase through Molecular Imprinting Using a Substrate-Mimicking Acylthiourea Template,” J. Org. Chem. 2024, 89, 15336–15340. https://doi.org/10.1021/acs.joc.4c01789

Direct Synthesis of Artificial Esterase

149. Avijit Ghosh and Yan Zhao,* “Site-Selective Functionalization of Molecularly Imprinted Nanoparticles to Recognize Lysine-Rich Peptides,” Biomacromolecules 2024, 25, 6188–6194. https://doi.org/10.1021/acs.biomac.4c00905

148. Avijit Ghosh and Yan Zhao,* “Nanoparticles that Distinguish Chemical and Supramolecular Contexts of Lysine for Single-Site Functionalization of Protein,” Nano Lett. 2024, 24, 8763–8769. https://doi.org/10.1021/acs.nanolett.4c02412

Site-selective labeling of protein

147. Tania M. Palhano Zanela, Milad Zangiabadi, Yan Zhao, Eric S. Underbakke,* “Molecularly Imprinted Nanoparticles Reveal Regulatory Scaffolding Features in Pyk2 Tyrosine Kinase,” RSC Chem. Biol. 2024, 5, 447-453. https://doi.org/10.1039/D3CB00228D

Pyk2 Tyrosine Kinase

146. Foroogh Bahrami and Yan Zhao* “Tuning Electron Density of Active Site for Enhanced Molecular Recognition and Catalysis,” J. Org. Chem. 2024, 89, 5148–5152. https://doi.org/10.1021/acs.joc.3c02971

Tuning Electron Density of Active Site for Enhanced Molecular Recognition and Catalysis

145. Milad Zangiabadi, Foroogh Bahrami, Avijit Ghosh, Hai Yu, Anand Kumar Agrahari, Xi Chen, and Yan Zhao* “Synthetic Catalysts for Selective Glycan Cleavage from Glycoproteins and Cells,” J. Am. Chem.Soc. 2024, 146, 4346–4350. https://doi.org/10.1021/jacs.3c13700

Synthetic Catalysts for Selective Glycan Cleavage from Glycoproteins and Cells

144. Foroogh Bahrami and Yan Zhao* “Rational Design and Synthesis of an Artificial Enzyme for SN2 Reactions through Micellar Imprinting,” Org. Lett. 2024, 26, 73–77. https://doi.org/10.1021/acs.orglett.3c03666

Rational Design and Synthesis of an Artificial Enzyme for SN2 Reactions through Micellar Imprinting

2023

143. Foroogh Bahrami and Yan Zhao* “Carbonic Anhydrase Mimic with Rationally Designed Active Site for Fine-Tuned Catalytic Activity and Selectivity in Ester Hydrolysis,” Catal. Sci. Technol. 2023, 13, 5702–5709. https://doi.org/10.1039/D3CY00704A

Carbonic Anhydrase Mimic with Rationally Designed Active Site for Fine-Tuned Catalytic Activity and Selectivity in Ester Hydrolysis

142. Ishani Bose and Yan Zhao* “Supramolecular Regulation of Catalytic Activity in Molecularly Responsive Catalysts,” J. Org. Chem. 2023, 88, 12792–12796. https://doi.org/10.1021/acs.joc.3c00710

Supramolecular Regulation of Catalytic Activity in Molecularly Responsive Catalysts

141. Mansi Sharma, Ishani Bose, and Yan Zhao* “Acid-Functionalized Artificial Enzymes with Tunable Selectivity for Vinyl Ether Hydrolysis,” J. Org. Chem. 2023, 88, 11263–11267. https://doi.org/10.1021/acs.joc.3c00522

Acid-Functionalized Artificial Enzymes with Tunable Selectivity for Vinyl Ether Hydrolysis

140. Ishani Bose, Foroogh Bahrami, and Yan Zhao* “Artificial Esterase for Cooperative Catalysis of Ester Hydrolysis at pH 7,” Mater. Today Chem. 2023, 30, 101576. https://doi.org/10.1016/j.mtchem.2023.101576

Artificial Esterase for Cooperative Catalysis of Ester Hydrolysis at pH 7

139. Milad Zangiabadi, Avijit Ghosh, and Yan Zhao,* “Nanoparticle Scanners for the Identification of Key Sequences Involved in the Assembly and Disassembly of β-Amyloid Peptides,” ACS Nano 2023, 17, 4764–4774. https://doi.org/10.1021/acsnano.2c11186

2023_ACSNano

138. MD Arifuzzaman and Yan Zhao* “Selective Hydrolysis of Nonactivated Aryl Esters at pH 7 through Cooperative Catalysis,” J. Org. Chem. 2023, 88, 3282-3287. https://doi.org/10.1021/acs.joc.2c02570 https://doi.org/10.1021/acs.joc.2c02570

Selective Hydrolysis of Nonactivated Aryl Esters at pH 7 through Cooperative Catalysis

2022

137. Yan Zhao,* “Molecularly Imprinted Materials for Glycan Recognition and Processing,” Invited Perspective, J. Mater. Chem. B. 2022, 10, 6607–6617. https://doi.org/10.1039/D2TB00164K

2022_JMaterChemB_perspective

136. Milad Zangiabadi and Yan Zhao,* “Synergistic Hydrolysis of Cellulose by a Blend of Cellulase-Mimicking Polymeric Nanoparticle Catalysts,” J. Am. Chem. Soc. 2022144, 17110–17119. https://doi.org/10.1021/jacs.2c06848 (A JACS Spotlight Article, see https://pubs.acs.org/doi/full/10.1021/jacs.2c09779)

2022_JACS_synthetic cellulase blend

135. Milad Zangiabadi and Yan Zhao,* “Controlling Enzyme Reaction Paths by Substrate Protection and Deprotection,” Chem. Commun. 2022, 58, 9770–9773. https://doi.org/10.1039/D2CC03239B

2022_ChemComm_glycan protection

134. MD Arifuzzaman, Ishani Bose, Foroogh Bahrami, and Yan Zhao,* “Imprinted Polymeric Nanoparticles as Artificial Enzymes for Ester Hydrolysis at Room Temperature and pH 7,” Chem Catal. 2022, 2, 2049–2065. (These authors contributed equally). https://doi.org/10.1016/j.checat.2022.06.007 (highlighted in Chem. Catal.https://www.sciencedirect.com/science/article/abs/pii/S2667109322003955)

2022_ChemCatal_esterase

133. Kaiqian Chen, Milad Zangiabadi, and Yan Zhao* “Oxidative Cleavage of Glycosidic Bonds by Synthetic Mimics of Lytic Polysaccharide Monooxygenases (LPMOs),” Org. Lett. 2022, 24, 3426–3430. https://doi.org/10.1021/acs.orglett.2c01312

2022_OL_oxidative cleavage

132. Kaiqian Chen and Yan Zhao* “Dynamic Tuning in Synthetic Glycosidase for Selective Hydrolysis of Alkyl and Aryl Glycosides,” J. Org. Chem. 2022, 87, 4195–4203. https://doi.org/10.1021/acs.joc.1c03029

2022_JOC_dynamics

131. Ishani Bose and Yan Zhao* “Site-Selective Catalytic Epoxidation of Alkene with Tunable, Atomic Precision by Molecularly Imprinted Artificial Epoxidases,” ACS Catal. 2022, 12, 3444–3451. https://doi.org/10.1021/acscatal.2c00253

2022_acscatal_epoxidation

130. Yan Zhao,* “Artificial Enzymes Created Through Molecular Imprinting of Cross-Linked Micelles,” In Supramolecular Catalysis: New Directions and Developments; Piet W.N.M. van Leeuwen, Matthieu Raynal, Eds.; Wiley-VCH: Weinheim, 2022; Chapter 15. https://onlinelibrary.wiley.com/doi/10.1002/9783527832033.ch15

2022_Supramolecular Catalysis Book

129. Xiaowei Li and Yan Zhao,* “Environmental Modulation of Chiral Prolinamide Catalysts for Stereodivergent Conjugate Addition,” J. Catal. 2022, 406, 126–133.  https://doi.org/10.1016/j.jcat.2022.01.003

2022_JCatal_Environmental

128. Kaiqian Chen and Yan Zhao,* “Molecular Recognition of Enzymes and Modulation of Enzymatic Activity by Nanoparticle Conformational Sensors,” Chem. Commun. 2022, 58, 1732–1735. https://doi.org/10.1039/D1CC05699A

2022_ChemComm_enzyme modulation

2021

127. Yan Zhao,* “Substrate Protection in Controlled Enzymatic Transformation of Peptides and Proteins,” Invited Concept Paper, ChemBioChem 202122, 2680–2687. http://dx.doi.org/10.1002/cbic.202100217

2021_cbc_protection

126. Ishani Bose and Yan Zhao* “Tandem Aldol Reaction from Acetal Mixtures by an Artificial Enzyme with Site-Isolated Acid and Base Functionality,” ACS Appl. Polym. Mater. 2021, 3, 2776–2784. https://doi.org/10.1021/acsapm.1c00299

2021_ACSAPM_tendem cross aldol

125. Ishani Bose and Yan Zhao* “Selective Hydrolysis of Aryl Esters under Acidic and Neutral Conditions by a Synthetic Aspartic Protease Mimic,” ACS Catal. 2021, 11, 3938–3942. https://doi.org/10.1021/acscatal.1c00371

Selective Hydrolysis of Aryl Esters under Acidic and Neutral Conditions by a Synthetic Aspartic Protease Mimic

124. Xiaowei Li, Milad Zangiabadi, and Yan Zhao* “Molecularly Imprinted Synthetic Glucosidase for the Hydrolysis of Cellulose in Aqueous and Nonaqueous Solutions,” J. Am. Chem. Soc. 2021143, 5172–5181. https://doi.org/10.1021/jacs.1c01352

Molecularly Imprinted Synthetic Glucosidase for the Hydrolysis of Cellulose in Aqueous and Nonaqueous Solutions

123. Xiaowei Li, Kaiqian Chen, and Yan Zhao* “Sequence-Selective Protection of Peptides from Proteolysis,” Angew. Chem. Int. Ed. 202160, 11092–11097. https://doi.org/10.1002/anie.202102148

2021_Angew_Peptide protection

122. Xiaowei Li, Tania M. Palhano Zanela, Eric S. Underbakke, and Yan Zhao* “Controlling Kinase Activities by Selective Protection of Peptide Substrates,” J. Am. Chem. Soc. 2021143, 639–643. https://doi.org/10.1021/jacs.0c11566

2021_jacs_kinase_control

121. Ishani Bose, Shixin Fa, and Yan Zhao* “A Tunable Artificial Enzyme–Cofactor Complex for Selective Hydrolysis of Acetals,” J. Org. Chem. 2021, 86, 1701–1711. https://doi.org/10.1021/acs.joc.0c02519

2021_JOC

120. Xiaowei Li and Yan Zhao,* “Synthetic Glycosidase for the Precise Hydrolysis of Oligosaccharides and Polysaccharides,” Chem. Sci. 2021, 12, 374–383. https://doi.org/10.1039/D0SC05338D

2020_cs_glycosidase.png

119. Likun Duan and Yan Zhao,* “Molecularly Imprinted Micelles for Fluorescent Sensing of Nonsteroidal Anti-Inflammatory Drugs (NSAIDs),” React. Funct. Polym. 2021, 156, 104759. https://doi.org/10.1016/j.reactfunctpolym.2020.104759

2020_nsaid.png

2020

118. Ishani Bose and Yan Zhao,* “pH-Controlled Nanoparticle Catalysts for Highly Selective Tandem Henry Reaction from Mixtures,” ACS Catal. 2020, 10, 13973–13977. https://doi.org/10.1021/acscatal.0c03468

2020_ACS_acetal

117. Xiaowei Li and Yan Zhao,* “Synthetic Glycosidase Distinguishing Glycan and Glycosidic Linkage in Its Catalytic Hydrolysis,” ACS Catal. 2020, 10, 13800–13808. https://doi.org/10.1021/acscatal.0c04038

2020_acscatal_pnp.png

116. Likun Duan, Milad Zangiabadi, and Yan Zhao,* “Synthetic Lectins for Selective Binding of Glycoproteins in Water,” Chem. Commun. 2020, 56, 10199–10202. https://doi.org/10.1039/D0CC02892D

2020_CC_glycoprotein

115. Milad Zangiabadi and Yan Zhao,* “Molecularly Imprinted Polymeric Receptors with Interfacial Hydrogen Bonds for Peptide Recognition in Water,” ACS Appl. Polym. Mater. 2020, 2, 3171–3180. https://doi.org/10.1021/acsapm.0c00354

2020_ACSAPM_peptide

114. Milad Zangiabadi and Yan Zhao,* “Selective Binding of Complex Glycans and Glycoproteins in Water by Molecularly Imprinted Nanoparticles,” Nano Lett. 2020, 20, 5106–5110. http://dx.doi.org/10.1021/acs.nanolett.0c01305

2020_NL_glycoprotein

113. Likun Duan and Yan Zhao,* “Zwitterionic Molecularly Imprinted Cross-Linked Micelles for Alkaloid Recognition in Water,” Chem. Asian. J. 2020, 15, 1035–1038. http://dx.doi.org/10.1002/asia.201901783

2020_CAJ_dopamine MINP

2019

112. Likun Duan and Yan Zhao,* “Zwitterionic Molecularly Imprinted Cross-Linked Micelles for Alkaloid Recognition in Water,” J. Org. Chem. 2019, 84, 13457–13464. http://dx.doi.org/10.1021/acs.joc.9b01629

2019_JOC_alkaloid MINP

111. Kaiqian Chen and Yan Zhao,* “Effects of Nano-Confinement and Conformational Mobility on Molecular Imprinting of Cross-Linked Micelles,” Org. Biomol. Chem. 2019, 17, 8611–8617. http://dx.doi.org/10.1039/C9OB01440C

2019_Nanoconfinement

110. Xiaowei Li and Yan Zhao,* “Chiral Gating for Size-Selective Asymmetric Catalysis in Water,” J. Am. Chem. Soc. 2019141, 13749–13752. https://doi.org/10.1021/jacs.9b06619 (Featured on JACS cover and highlighted on ChemistryViews, see https://www.chemistryviews.org/details/news/11175789/Pre-Shaped_Nanopar…)

2019_chiral_gating

109. Shixin Fa and Yan Zhao,* “A General Method for Peptide Recognition in Water through Bioinspired Complementarity,” Chem. Mater. 201931, 4889–4896. https://doi.org/10.1021/acs.chemmater.9b01613

2019_General Method for Peptide Binding

108. Lan Hu, MD Arifuzzaman, and Yan Zhao,* “Controlling Product Inhibition through Substrate-Specific Active Sites in Nanoparticle-Based Phosphodiesterase and Esterase,” ACS Catal. 2019, 9, 5019–5024. http://dx.doi.org/10.1021/acscatal.9b00630

2019 Product Inhibition

107. Roshan W. Gunasekara and Yan Zhao,* “Binding and Protection of Glycosphingolipids by Synthetic Nanoparticles,” Chem. Commun201955, 4773–4776. http://dx.doi.org/10.1039/C9CC01694E

2019_Glycosphingo lipid

106. Lan Hu and Yan Zhao,* “A Bait-and-Switch Method in the Construction of Artificial Esterases for Substrate-Selective Hydrolysis,” Chem. –Eur. J. 2019, 25, 7702–7710. (Hot Paper). https://doi.org/10.1002/chem.201900560

2019_Bait and Switch

105. Shixin Fa and Yan Zhao,* “Synthetic Nanoparticles to Catalyze Selective Hydrolysis of Bacterial Autoinducers in Quorum Sensing,” Bioorg. Med. Chem. Lett. 2019, 29, 978–981. https://doi.org/10.1016/j.bmcl.2019.02.016

2019_AHL Hydrolysis

104. Chuanqi Li, Jing Zhang, Shiyong Zhang,* and Yan Zhao, “Efficient Light Harvesting Systems with Tunable Emission through Controlled Precipitation in Confined Nanospace,” Angew. Chem. Int. Ed. 2019, 58, 1643–1647. https://doi.org/10.1002/anie.201812146

2019_Angew_LH

2018

103. Shize Zhang and Yan Zhao,* “Tuning Surface-Cross-Linking of Molecularly Imprinted Cross-Linked Micelles for Molecular Recognition in Water,” J. Mol. Recognit. 2018, 31, e2769. http://dx.doi.org/10.1002/jmr.2769

2018_JMolRecog

102. MD Arifuzzaman and Yan Zhao,* “Artificial Zinc Enzymes with Fine-Tuned Catalytic Active Sites for Highly Selective Hydrolysis of Activated Esters,” ACS Catal. 2018, 8, 8151–8161. http://dx.doi.org/10.1021/acscatal.8b02292

2018_Zinc-Enzyme mimic

101. Lan Hu and Yan Zhao,* “Molecularly Imprinted Artificial Enzymes with Highly Specific Active Sites and Precisely Installed Catalytic Groups,” Org. Biomol. Chem. 2018, 16, 5580–5584. http://dx.doi.org/10.1039/C8OB01584H

2018_OBC_DMAP

100. MD Arifuzzaman, Wei Zhao, and Yan Zhao,* “Surface Ligands in the Imprinting and Binding of Molecularly Imprinted Cross-Linked Micelles,” Supramol. Chem. 2018, 30, 929–939. http://dx.doi.org/10.1080/10610278.2018.1489540

2018_Suface Ligands

99. Yan Zhao,* “Sequence-Specific Recognition of Peptides in Aqueous Solution—A Supramolecular Approach through Micellar Imprinting,” Chem. –Eur. J. 2018, 24, Invited Concept Paper, 14001–14009. https://doi.org/10.1002/chem.201801401

2018_Peptide Concept

98. Xiaoyu Xing and Yan Zhao,* “Intramolecularly Enhanced Molecular Tweezers with Unusually Strong Binding for Aromatic Guests in Unfavorable Solvents,” Org. Biomol. Chem. 2018, 16, 3885–3888. http://dx.doi.org/10.1039/C8OB00786A

2018_Intramolecular Enhancement

97. Xiaoyu Xing and Yan Zhao,* “Fluorescent Nanoparticle Sensors with Tailor-Made Recognition Units and Proximate Fluorescent Reporter Groups,” New J. Chem. 2018, 42, 9377–9380. https://doi.org/10.1039/C8NJ01139G

2018_MINP Acid Sensor

96. Xiaoyu Xing and Yan Zhao,* “Binding-Promoted Chemical Reaction in the Nanospace of a Binding Site: Effects of Environmental Constriction,” Org. Biomol. Chem. 2018, 16, 2855–2859. http://dx.doi.org/10.1039/C8OB00590G

2018_Imine formation

95. Likun Duan and Yan Zhao,* “Selective Binding of Folic Acid and Derivatives by Imprinted Nanoparticle Receptors in Water,” Bioconjugate Chem. 2018, 29, 1438–1445. http://dx.doi.org/10.1021/acs.bioconjchem.8b00121

2018_Folic acid

94. Xiaoyu Xing and Yan Zhao,* “Aromatically Functionalized Pseudo Crown Ethers with Unusual Solvent Response and Enhanced Binding Properties,” Org. Biomol. Chem. 2018, 16, 1627–1631. http://dx.doi.org/10.1039/C8OB00100F

2018_Enhanced Pseudo Crowns

93. Shixin Fa and Yan Zhao,* “Water-Soluble Imprinted Nanoparticles Supramolecularly Coded for Peptides with Hydrophobic and Acidic Side Chains,” Chem. –Eur. J. 2018, 24, 150–158 (Hot Paper). http://dx.doi.org/10.1002/chem.201703760

2017_MINPs for acidic peptides

2017

92. Shixin Fa and Yan Zhao,* “Peptide-Binding Nanoparticle Materials with Tailored Recognition sites for Basic Peptides,” Chem. Mater. 2017, 29, 9284–9291. http://dx.doi.org/10.1021/acs.chemmater.7b03253

2017_ChemMater_Basic Peptide

91. Li-Chen Lee, Xiaoyu Xing, and Yan Zhao,* “Microenvironmental Engineering of Pd Nanoparticle Catalysts for Improved Activity in Hydrogenation of CO2 and Bicarbonate,” ACS Appl. Mater. Interfaces 2017, 9, 38436–38444. http://dx.doi.org/10.1021/acsami.7b10591

2017_CO2 reduction

90. Roshan W. Gunasekara and Yan Zhao,* “Intrinsic Hydrophobicity versus Intraguest Interactions in Hydrophobically Driven Molecular Recognition in Water,” Org. Lett. 2017, 19, 4159–4162. http://dx.doi.org/10.1021/acs.orglett.7b01535

2017_OL_Aromatic

89. Lan Hu and Yan Zhao,* “Molecularly Imprinted Cross-Linked Micelles as Artificial Enzymes for Biomimetic Hydrolysis of Activated Esters,” Helv. Chim. Acta 2017, 100, e1700147. http://dx.doi.org/10.1002/hlca.201700147

2017_MINP-DMAP

88. Joseph K. Awino and Yan Zhao,* “Imprinted Micelles for Chiral Recognition in Water: Shape, Depth, and Number of Recognition Sites,” Org. Biomol. Chem. 2017, 15, 4851–4858. http://dx.doi.org/10.1039/C7OB00764G

2017_OBC_chiral

87. Joseph K. Awino, Roshan W. Gunasekara, and Yan Zhao,* “Sequence-Selective Binding of Oligopeptides in Water through Hydrophobic Coding,” J. Am. Chem. Soc. 2017, 139, 2188–2191. http://dx.doi.org/10.1021/jacs.6b12949 (A JACS Spotlight Article)

2017_Peptide-binding MINPs

86. Roshan W. Gunasekara and Yan Zhao,* “A General Method for Selective Recognition of Monosaccharides and Oligosaccharides in Water,” J. Am. Chem. Soc. 2017, 139, 829–835. http://dx.doi.org/10.1021/jacs.6b10773

2017_Oligosaccharide-binding MINPs

2016

85. Joseph K. Awino, Roshan W. Gunasekara, and Yan Zhao,* “Selective Recognition of D-Aldohexoses in Water by Boronic Acid-Functionalized Molecularly Imprinted Cross-Linked Micelles,” J. Am. Chem. Soc. 2016, 138, 9759–9762. http://dx.doi.org/10.1021/jacs.6b04613

2016_Monosaccaride-Binding MINP

84. MD Arifuzzaman and Yan Zhao,* “Water-Soluble Molecularly Imprinted Nanoparticles Receptors with Hydrogen-Bond-Assisted Hydrophobic Binding,” J. Org. Chem. 2016, 81, 7518–7526. http://dx.doi.org/10.1021/acs.joc.6b01191

2016_H-Bonded MINP

83. Yan Zhao,* “Surface-Cross-Linked Micelles as Multifunctionalized Organic Nanoparticles for Controlled Release, Light Harvesting, and Catalysis,” Langmuir 201632, 5703–5713, Invited Feature Article. http://pubs.acs.org/doi/abs/10.1021/acs.langmuir.6b01162

2016_Langmuir_Feature_SCMs

82. Joseph K. Awino, Lan Hu, and Yan Zhao,* “Molecularly Responsive Binding through Co-occupation of Binding Space: A Lock–Key Story,” Org. Lett. 2016, 18, 1650–1653. http://dx.doi.org/10.1021/acs.orglett.6b00527

2016_OL_Cooperative Binding of Two Guests

81. Roshan W. Gunasekara and Yan Zhao,* “Enhancing binding affinity and selectivity through preorganization and cooperative enhancement of the receptor,” Chem. Commun201652, 4345–4348. http://dx.doi.org/10.1039/C5CC10405J

2016_ChemComm_Citrate-Binding CERs

80. Linxing Yao, Xueshu Li, Tong Wang,* and Yan Zhao,* “Design and Synthesis of Cross-Linked Micellar Particles to Assist Microalgae Lipid Recovery from Aqueous Extract,” J. Am. Oil Chem. Soc. 2016, 93, 51–60. http://dx.doi.org/10.1007/s11746-015-2744-y

2015

79. Gina M. Roberts, Shiyong Zhang, Yan Zhao,* L. Keith Woo,* “Improving Reactivity and Selectivity of Aqueous-Based Heck Reactions by the Local Hydrophobicity of Phosphine Ligands,” Tetrahedron 2015, 71, 8263–8270. http://dx.doi.org/10.1016/j.tet.2015.09.010

2015_Tetrahedron

78. Geetika Chadha, Qing-Zheng Yang,* and Yan Zhao,* “Self-Assembled Light-Harvesting Supercomplexes from Fluorescent Surface-Cross-Linked Micelles,” Chem. Commun. 2015, 51, 12939–12942. http://dx.doi.org/10.1039/C5CC04377H

2015_ChemComm_Dansyl SCM

77. Joseph K. Awino and Yan Zhao,* “Polymeric Nanoparticle Receptors as Mimics of Monoclonal Antibodies for Nonsteroidal Anti-Inflammatory Drugs (NSAIDs),” ACS Biomater. Sci. Eng. 2015, 1, 425–430. http://dx.doi.org/10.1021/acsbiomaterials.5b00042

2015_NSAID MINP

76. Roshan W. Gunasekara and Yan Zhao,* “Conformationally Switchable Water-Soluble Fluorescent Bischolate Foldamers as Membrane-Curvature Sensors,” Langmuir 201531, 3919–3925. http://dx.doi.org/10.1021/acs.langmuir.5b00379

2015_Langmuir_Membrane Curvature

75. Roshan W. Gunasekara and Yan Zhao,* “Rationally Designed Cooperatively Enhanced Receptors to Magnify Host–Guest Binding in Water,” J. Am. Chem. Soc. 2015, 137, 843–849. http://dx.doi.org/10.1021/ja510823h

2015_JACS_Cooperative

74. Li-Chen Lee, Chaoxian Xiao, Wenyu Huang, and Yan Zhao,* “Palladium–Gold Bimetallic Nanoparticle Catalysts by ‘Controlled Release’ from Metal-Loaded Interfacially Cross-Linked Reverse Micelles,” New J. Chem. 2015, 39, 2459–2466. http://dx.doi.org/10.1039/C4NJ01905A

2015_NJChem_Pd

73. Joseph K. Awino and Yan Zhao,* “Water-Soluble Molecularly Imprinted Nanoparticles (MINPs) with Tailored, Functionalized, Modifiable Binding Pockets,” Chem. –Eur. J. 2015, 21, 655–661.  http://dx.doi.org/10.1002/chem.201404919

2015_ChemEJ_Photo MINP

72. Premkumar Rathinam Arivalagan and Yan Zhao,* “Interfacial Catalysis of Aldol Reactions by Prolinamide Surfactants in Reverse Micelles,” Org. Biomol. Chem. 2015, 13, 770–775. http://dx.doi.org/10.1039/C4OB02074J

2015_OBC_MINP Prolinamide

2014

71. Joseph K. Awino and Yan Zhao,* “Molecularly Imprinted Nanoparticles as Tailor-Made Sensors for Small Fluorescent Molecules,” Invited article by Chem. Commun. 2014, 50, 5752–5755. http://dx.doi.org/10.1039/C4CC01516A

2014_ChemComm_MINP

70. Li-Chen Lee and Yan Zhao,* “Metalloenzyme-Mimicking Supramolecular Catalyst for Highly Active and Selective Intramolecular Alkyne Carboxylation,” J. Am. Chem. Soc. 2014, 136, 5579–5582. http://dx.doi.org/10.1021/ja501277j

2014_JACS_Catalyst

69. Li-Chen Lee and Yan Zhao,* “Room-Temperature Hydroamination of Alkynes Catalyzed by Gold Clusters in Interfacially Cross-Linked Reverse Micelles,” ACS Catal. 2014, 4, 688–691. http://dx.doi.org/10.1021/cs401213c

2014_ACSCat_Au

68. Geetika Chadha and Yan Zhao,* “Environmental Control of Nucleophilic Catalysis in Aqueous Solution,” Chem. Commun. 2014, 50, 2718–2720. http://dx.doi.org/10.1039/C3CC49593K

2014_ChemComm_DMAP

67. Joseph K. Awino and Yan Zhao,* “Rigidity versus Amphiphilicity in Transmembrane Nanopore Formation by Cholate-Based Macrocycles,” Supramol. Chem. 2014, 26, 302–311. http://dx.doi.org/10.1080/10610278.2013.872784

2014_SupramolChem

2013

66. Yan Zhao,* “Cooperatively Enhanced Receptors for Biomimetic Molecular Recognition,” Invited concept article by ChemPhysChem 2013, 14, 3878–3885. http://dx.doi.org/10.1002/cphc.201300744

2013_ChemPhysChem

65. Geetika Chadha and Yan Zhao,* “Histidine-Functionalized Water-Soluble Nanoparticles for Biomimetic Nucleophilic/General-Base Catalysis under Acidic Conditions,” Org. Biomol. Chem. 2013, 11, 6849–6855. http://dx.doi.org/10.1039/C3OB41485J

2013_OBC_his

64. Joseph K. Awino and Yan Zhao,* “Protein-Mimetic, Molecularly Imprinted Nanoparticles for Selective Binding of Bile Salt Derivatives in Water,” J. Am. Chem. Soc. 2013, 135, 12552–12555. http://dx.doi.org/10.1021/ja406089c

2013_JACS_MINP

63. Yan Zhao,* Hongkwan Cho, Lakmini Widanapathirana, and Shiyong Zhang, “Conformationally Controlled Oligocholate Membrane Transporters: Learning through Water Play,” Invited article by Acc. Chem. Res. 2013, 46, 2763–2772. http://dx.doi.org/10.1021/ar300337f

2013_AccChemRes

62. Yu-Zhe Chen, Peng-Zhong Chen, Hui-Qing Peng, Yan Zhao,* Hui-Ying Ding, Li-Zhu Wu, Chen-Ho Tung, Qing-Zheng Yang* “Water-Soluble, Membrane-Permeable Organic Fluorescent Nanoparticles with Large Tunability in Emission Wavelengths and Stokes Shifts,” Chem. Commun. 2013, 49, 5877–5879. http://dx.doi.org/10.1039/C3CC41959B

2013_ChemComm_fluo SCM

61. Xueshu Li and Yan Zhao,* “Oligocholate Foldamer with ‘Prefolded’ Macrocycles for Enhanced Folding in Solution and Surfactant Micelles,” Tetrahedron 2013, 69, 6051–6059. http://dx.doi.org/10.1016/j.tet.2013.05.088

2013_Tetrahedron

60. Lakmini Widanapathirana and Yan Zhao,* “Tuning Nanopore Formation of Oligocholate Macrocycles by Carboxylic Acid Dimerization in Lipid Membranes,” J. Org. Chem. 2013, 78, 4610–4614. http://dx.doi.org/10.1021/jo400455x

2013_JOC_aromatic Macro

59. Yan Zhao,* “Applications of Metallofoldamers,” In Metallofoldamers: Supramolecular Architectures from Helicates to Biomimetics; Galia Maayan, Markus Albrecht, Eds.; Wiley-VCH: Weinheim, 2013; Chapter 12. http://dx.doi.org/10.1002/9781118517413.ch12

2013_Metallofoldamer Book

58. Geetika Chadha and Yan Zhao,* “Properties of Surface-Crosslinked Micelles Probed by Fluorescence Spectroscopy and Their Catalysis of Phosphate Ester Hydrolysis,” J. Colloid Interface Sci. 2013, 390, 151–157. http://dx.doi.org/10.1016/j.jcis.2012.09.042

2013_Colloid

2012

57. Tuo Wang, Lakmini Widanapathirana, Yan Zhao,* and Mei Hong,* “Aggregation and Dynamics of Oligocholate Transporters in Phospholipid Bilayers Revealed by Solid-State NMR Spectroscopy,” Langmuir 2012, 28, 17071–17078. http://dx.doi.org/10.1021/la303661p

2012_Langmuir_Solid NMR

56. Xueshu Li and Yan Zhao,* “Tunable Fusion and Aggregation of Liposomes Triggered by Multifunctional Surface Cross-Linked Micelles,” Bioconjugate Chem. 2012, 23, 1721–1725. http://dx.doi.org/10.1021/bc300082b

2012_Bioconjugate

55. Shiyong Zhang and Yan Zhao,* “Artificial Metalloenzymes via Encapsulation of Hydrophobic Transition-Metal Catalysts in Surface Cross-Linked Micelles,” Chem. Commun. 2012, 48, 9998–10000. http://dx.doi.org/10.1039/C2CC33012A

2012_ChemComm_Catal SCM

54. Lakmini Widanapathirana, Xueshu Li, and Yan Zhao,* “Hydrogen Bond-Assisted Macrocylic Oligocholate Transporters in Lipid Membranes,” Org. Biomol. Chem. 2012, 10, 5077–5083. http://dx.doi.org/10.1039/C2OB25301A

2012_OBC_H-Oligocholate

53. Li-Chen Lee and Yan Zhao,* “Interfacially Cross-Linked Reverse Micelles as Soluble Support for Palladium Nanoparticle Catalysts,” Helv. Chim. Acta 2012, 95, 863–871. http://dx.doi.org/10.1002/hlca.201100451

2012_Helvetica

52. Lakmini Widanapathirana and Yan Zhao,* “Effects of Amphiphile Topology on the Aggregation of Oligocholates in Lipid Membranes: Macrocyclic versus Linear Amphiphiles,” Langmuir 2012, 28, 8165–8173. http://dx.doi.org/10.1021/la301090t

2012_Langmuir_Aggregation in membrane

50. Lakmini Widanapathirana and Yan Zhao,* “Aromatically Functionalized Cyclic Tricholate Macrocycles: Aggregation, Transmembrane Pore Formation, Flexibility, and Cooperativity,” J. Org. Chem. 2012, 77, 4679–4687. http://dx.doi.org/10.1021/jo3004056

2012_JOC_aromatic membrane

49. Xueshu Li and Yan Zhao,* “Protection/Deprotection of Surface Activity and Its Applications in the Controlled Release of Liposomal Contents,” Langmuir 2012, 28, 4152–4159. http://dx.doi.org/10.1021/la2050702

2012_Langmuir_Controlled release

48. Hui-Qing Peng, Yu-Zhe Chen, Yan Zhao, Qing-Zheng Yang,* Li-Zhu Wu, Chen-Ho Tung, Li-Ping Zhang, Qing-Xiao Tong,* “Artificial Light-Harvesting System Based on Multifunctional Surface Cross-Linked Micelles,” Angew. Chem. Int. Ed. 2012, 51, 2088–2092. http://dx.doi.org/10.1002/anie.201107723

2012_Angew

47. Shiyong Zhang and Yan Zhao,* “Template Synthesis of Subnanometer Gold Clusters in Interfacially Cross-Linked Reverse Micelles Mediated by Confined Counterions,” Langmuir 2012, 28, 3606–3613. http://dx.doi.org/10.1021/la204694c

2012_Langmuir_Au ICRM

46. Li-Chen Lee and Yan Zhao,* “Size-Selective Phase-Transfer Catalysis with Interfacially Cross-Linked Reverse Micelles,” Org. Lett. 2012, 14, 784–787. http://dx.doi.org/10.1021/ol203319w

2012_OL_phase transfer

45. Shiyong Zhang and Yan Zhao,* “Effects of Micelle Properties on the Conformation of Oligocholates and Importance of Rigidity of Foldamers,” J. Org. Chem. 2012, 77, 556–562. http://dx.doi.org/10.1021/jo202156d

2012_JOC_folding in micelle

44. Shiyong Zhang and Yan Zhao,* “Flexible Oligocholate Foldamers as Membrane Transporters and Their Guest-Dependent Transport Mechanism,” Org. Biomol. Chem. 2012, 10, 260–266. http://dx.doi.org/10.1039/C1OB06364B

2012_OBC_transport

2011

43. Shiyong Zhang and Yan Zhao,* “Oligocholate Foldamers as Carriers for Hydrophilic Molecules across Lipid Bilayers,” Chem. –Eur. J. 2011, 17, 12444–12451. http://dx.doi.org/10.1002/chem.201101510

2011_ChemEJ_transport

42. Hongkwan Cho and Yan Zhao,* “Cholate-Derived Amphiphilic Molecular Baskets as Glucose Transporters across Lipid Membranes,” Chem. Commun. 2011, 47, 8970–8972. http://dx.doi.org/10.1039/C1CC00092F

2011_ChemComm_transport

41. Zhenqi Zhong, Xueshu Li, and Yan Zhao,* “Enhancing Binding Affinity by the Cooperativity between Host Conformation and Host–Guest Interactions,” J. Am. Chem. Soc. 2011, 133, 8862–8865. http://dx.doi.org/10.1021/ja203117g

2011_JACS_cooperative

40. Hongkwan Cho and Yan Zhao,* “Translocation of Hydrophilic Molecules across Lipid Bilayers by Salt-Bridged Oligocholates,” Langmuir 2011, 27, 4936–4944. http://dx.doi.org/10.1021/la2005166

2011_Langmuir_transport

39. Shiyong Zhang and Yan Zhao,* “Facile Preparation of Organic Nanoparticles by Interfacial Crosslinking of Reversed Micelles and Template Synthesis of Subnanometer Au-Pt Nanoparticles,” ACS Nano 2011, 5, 2637–2646. http://dx.doi.org/10.1021/nn102666k

2011_ACSNano

38. Shiyong Zhang and Yan Zhao,* “Controlled Release from Cleavable Polymerized Liposomes upon Redox and pH Stimulation,” Bioconjugate Chem. 2011, 22, 523–528. http://dx.doi.org/10.1021/bc1003197

2011_Bioconjugate

37. Hongkwan Cho, Lakmini Widanapathirana, and Yan Zhao,* “Water-Templated Transmembrane Nanopores from Shape-Persistent Oligocholate Macrocycles,” J. Am. Chem. Soc. 2011, 133, 141–147. http://dx.doi.org/10.1021/ja109036z

2011_JACS_transport

36. Jing Wu, Xingang Pan, and Yan Zhao,* “Time-Dependent Shrinkage of Polymeric Micelles of Amphiphilic Block Copolymers Containing Semirigid Oligocholate Hydrophobes,” J. Colloid Interface Sci. 2011, 353, 420–425. http://dx.doi.org/10.1016/j.jcis.2010.09.071

2011_Colloid

2010

35. Shiyong Zhang and Yan Zhao,* “Rapid Release of Entrapped Contents from Multi-Functionalizable, Surface Crosslinked Micelles upon Different Stimulation,” J. Am. Chem. Soc. 2010, 132, 10642–10644. http://dx.doi.org/10.1021/ja103391k

2010_JACS_release

34. Hongkwan Cho and Yan Zhao,* “Environmental Effects Dominate the Folding of Oligocholates in Solution, Surfactant Micelles, and Lipid Membranes,” J. Am. Chem. Soc. 2010, 132, 9890–9899. http://dx.doi.org/10.1021/ja103694p

2010_JACS_environment

33. Shiyong Zhang and Yan Zhao,* “Facile Synthesis of Multivalent Water-Soluble Organic Nanoparticles via ‘Surface-Clicking’ of Alkynylated Surfactant Micelles,” Macromolecules 2010, 43, 4020–4022. http://dx.doi.org/10.1021/ma100497k

2010_Macromol

2009

32. Yan Zhao,* “Spacer-Dependant Folding and Aggregation of Oligocholates in SDS Micelles,” J. Org. Chem. 2009, 74, 7470–7480. http://dx.doi.org/10.1021/jo901651h

2009_JOC_micelle

31. Hongkwan Cho, Zhenqi Zhong, and Yan Zhao,* “A DMAP-Functionalized Oligocholate Foldamer for Solvent-Responsive Catalysis,” Tetrahedron 2009, 65, 7311–7316. http://dx.doi.org/10.1016/j.tet.2009.01.018

2009_Tetrahedron

30. Yan Zhao,* “Conformation of Oligocholate Foldamers with 4-Aminobutyroyl Spacers,” J. Org. Chem. 2009, 74, 834–843. http://dx.doi.org/10.1021/jo802201b

2009_JOC_flexible oligocholate

29. Xingang Pan and Yan Zhao,* “Efficient Construction of Oligocholate Foldamers via Click Chemistry and Their Tolerance of Structural Heterogeneity,” Org. Lett. 2009, 11, 69–72. http://dx.doi.org/10.1021/ol802364c

2009_OL_clicked

2008

28. Zhenqi Zhong and Yan Zhao,* “Controlling the Conformation of Oligocholate Foldamers by Surfactant Micelles,” J. Org. Chem. 2008, 73, 5498–5505. http://dx.doi.org/10.1021/jo800724j

2008_JOC_micelle

2007

27. Eui-Hyun Ryu, HongKwan Cho, and Yan Zhao,* “Catalyzing Methanolysis of Alkyl Halides in the Interior of an Amphiphilic Molecular Basket,” Org. Lett. 2007, 9, 5147–5150. http://dx.doi.org/10.1021/ol701883u

2007_OL_nano reactor

26. Zhenqi Zhong and Yan Zhao,* “Cholate-Glutamic Acid Hybrid Foldamer and Its Fluorescent Detection of Zn2+,” Org. Lett. 2007, 9, 2891–2894. http://dx.doi.org/10.1021/ol071130g

2007_OL_zinc sensor

25. Yan Zhao,* “Facial Amphiphiles in Molecular Recognition: From Unusual Aggregates to Solvophobically Driven Foldamers,” Curr. Opin. Colloid Interface Sci. 2007, 12, 92–97. http://dx.doi.org/10.1016/j.cocis.2007.05.001

2007_COCIS_facial

24. Yan Zhao* and Jeffrey S. Moore,* “Foldamers Based on Solvophobic Effects,” In Foldamers: Structure, Properties, and Applications; Stefan Hecht, Ivan Huc, Eds.; Wiley-VCH: Weinheim, 2007. http://dx.doi.org/10.1002/9783527611478.ch3

2007_Foldamer book

23. Yan Zhao,* Zhenqi Zhong, and Eui-Hyun Ryu, “Preferential Solvation in Nanometer-Sized Hydrophilic Cavities and Its Effect on the Folding of Cholate Foldamers,” J. Am. Chem. Soc. 2007, 129, 218–225. http://dx.doi.org/10.1021/ja0671159

2007_JACS_nanocavity

22. Yibo Zhou, Eui-Hyun Ryu, Yan Zhao,* and L. Keith Woo,* “Solvent-Responsive Metalloporphyrins: Binding and Catalysis,” Organometallics 2007, 26, 358–364. http://dx.doi.org/10.1021/om060791z

2007_Organometallics

2006

21. Eui-Hyun Ryu and Yan Zhao,* “An Amphiphilic Molecular Basket Sensitive to Both Solvent Changes and UV Irradiation,” J. Org. Chem. 2006, 71, 9491–9494. http://dx.doi.org/10.1021/jo061672w

2006_JOC_photobasket

20. Yan Zhao* and Zhenqi Zhong, “Detection of Hg2+ in Aqueous Solutions with a Foldamer-Based Fluorescent Sensor Modulated by Surfactant Micelles,” Org. Lett. 2006, 8, 4715–4717. http://dx.doi.org/10.1021/ol061735x

2005_OL_Hg micelle

19. Eui-Hyun Ryu, Jie Yan, Zhenqi Zhong, and Yan Zhao,* “Solvent-Induced Amphiphilic Molecular Baskets: Unimolecular Reversed Micelles with Different Size, Shape, and Flexibility,” J. Org. Chem. 2006, 71, 7205–7213. http://dx.doi.org/10.1021/jo0607663

2006_JOC_amphi baskets

18. Yan Zhao* and Zhenqi Zhong, “Tuning the Sensitivity of a Foldamer-Based Mercury Sensor by Its Folding Energy,” J. Am. Chem. Soc. 2006, 128, 9988–9989. http://dx.doi.org/10.1021/ja062001i

2006_JACS_Hg foldamer

17. Eui-Hyun Ryu, Arkady Ellern, and Yan Zhao,* “High Guest Inclusion by 3-beta-Amino-7-alpha,12- alpha -Dihydroxycholan-24-oic Acid Made Possible by Charge-Assisted Hydrogen Bonds,” Tetrahedron 2006, 62, 6808–6813. http://dx.doi.org/10.1016/j.tet.2006.04.094

2006_Tetra

2005

17. Yan Zhao* and Zhenqi Zhong, “Oligomeric Cholates: Amphiphilic Foldamers with Nanometer-Sized Hydrophilic Cavities,” J. Am. Chem. Soc. 2005, 127, 17894–17901. http://dx.doi.org/10.1021/ja056151p

2005_JACS_oligocholate

16. Yan Zhao* and Eui-Hyun Ryu, “Solvent-Tunable Binding of Hydrophilic and Hydrophobic Guests by Amphiphilic Molecular Baskets,” J. Org. Chem. 2005, 70, 7585–7591. http://dx.doi.org/10.1021/jo051127f

2005_JOC_binding basket

15. Zhenqi Zhong, Jie Yan, and Yan Zhao,* “Cholic Acid-Derived Facial Amphiphiles with Different Ionic Characteristics,” Langmuir 2005, 21, 6235–6239. http://dx.doi.org/10.1021/la050621b

2005_Langmuir

14. Eui-Hyun Ryu and Yan Zhao,* “Efficient Synthesis of Water-Soluble Calixarenes Using Click Chemistry,” Org. Lett. 2005, 7, 1035–1037. http://dx.doi.org/10.1021/ol047468h

2005_OL_clicked Calix

2004

13. Eui-Hyun Ryu and Yan Zhao, * “Environmentally Responsive Molecular Baskets: Unimolecular Mimics of Both Micelles and Reversed Micelles,” Org. Lett. 2004, 6, 3187–3189. http://dx.doi.org/10.1021/ol048679p

2004_OL_amphibasket

1996–2001

12. Laura G. Schultz, Yan Zhao, and Steven C. Zimmerman,* “Synthesis of Cored Dendrimers with Internal Cross-Links,” Angew. Chem. Int. Ed. 2001, 40, 1962–1966. https://doi.org/10.1002/1521-3773(20010518)40:10%3C1962::AID-ANIE1962%3E3.0.CO;2-J

11. Joseph B. Lambert,* Yan Zhao, and S. Mark Zhang, “Preparation of the Tricoordinate Silyl Cation,” J. Phys. Org. Chem. 2001, 14, 370–379. http://dx.doi.org/10.1002/poc.377

10. Joseph B. Lambert,* Yan Zhao, Hongwei Wu, Winston C. Tse, and Barbara Kuhlmann, “The Allyl Leaving Group Approach to Tricoordinate Silyl, Germyl, and Stannyl Cations,” J. Am. Chem. Soc. 1999, 121, 5001–5008. http://dx.doi.org/10.1021/ja990389u

9. Joseph B. Lambert,* Yan Zhao, and Hongwei Wu, “Beta-Silyl and Beta-Germyl Carbocations Stable at Room Temperature,” J. Org. Chem. 1999, 64, 2729–2736. http://dx.doi.org/10.1021/jo982146a

8. Joseph B. Lambert,* Yan Zhao, Robert W. Emblidge, Lourdes A. Salvador, Xiaoyang Liu, Jeung-Ho So, and Erik C. Chelius, “The Beta Effect of Silicon and Related Manifestations of Sigma Conjugation,” Acc. Chem. Res. 1999, 32, 183–190. http://dx.doi.org/10.1021/ar970296m

7. Joseph B. Lambert,* Charlotte L. Stern, Yan Zhao, Winston Tse, Catherine E. Shawl, Kirk T. Lentz, and Lidia Kania, “Torsional Distortions in Trimesitylsilanes and Trimesitylgermanes,” J. Organomet. Chem. 1998, 568, 21–31. https://doi.org/10.1016/S0022-328X(98)00754-2

6. Thomas Müller,* Yan Zhao, and Joseph B. Lambert, “Computational Evidence for a Free Silylium Ion,” Organometallics 1998, 17, 278–280. http://dx.doi.org/10.1021/om971003w

5. Joseph B. Lambert,* Yan Zhao, and Charlotte L. Stern, “Two-dimensional Lattice of Superboats Composed of Silicon-centered Tetrahedra,” J. Phys. Org. Chem. 1997, 10, 229–232. https://doi.org/10.1002/(SICI)1099-1395(199704)10:4%3C229::AID-POC879%3E3.0.CO;2-K

4. Joseph B. Lambert* and Yan Zhao, “The Trimesitylsilylium Cation,” Angew. Chem. Int. Ed. 1997, 36, 400–401 (highlighted in C&E News, January 6, 1997, page 7–8; Science 1997, 275, 39-40; Chemtracts 1997, 10, 841-843; Angew. Chem. Int. Ed. Engl. 1997, 36, 1277–1280). http://dx.doi.org/10.1002/anie.199704001

3. Joseph B. Lambert* and Yan Zhao, “A Stable Beta-Silyl Carbocation,” J. Am. Chem. Soc. 1996, 118, 7867–7868 (see also C&E News, August 26, 1996, page 31). http://dx.doi.org/10.1021/ja9613670

2. Joseph B. Lambert* and Yan Zhao, “Beta Effect of Phosphorus Functionalities,” J. Am. Chem. Soc. 1996, 118, 3156–3167. http://dx.doi.org/10.1021/ja9537181

1. Joseph B. Lambert,* Robert W. Emblidge, and Yan Zhao, “Participation of the Beta Phosponate Group in Carbocation Formation,” J. Org. Chem. 1994, 59, 5397–5403. http://dx.doi.org/10.1021/jo00097a050