Urea-Induced Acid Amplification: A New Approach for Metal-Free Insertion Chemistry

Enantioselective Palladium-Catalyzed Insertion of α-Aryl-α-diazoacetates into the OH Bonds of Phenols

(2014) Xiu-Lan Xie et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Computational Study on the pKa Shifts in Proline Induced by Hydrogen-Bond-Donating Cocatalysts

(2014) Xiao-Song Xue et al.   JOURNAL OF ORGANIC CHEMISTRY

Computational Study on the Acidic Constants of Chiral Brønsted Acids in Dimethyl Sulfoxide

(2014) Chen Yang et al.   JOURNAL OF ORGANIC CHEMISTRY

Conjugate-Base-Stabilized Brønsted Acids: Catalytic Enantioselective Pictet–Spengler Reactions with Unmodified Tryptamine

(2014) Nisha Mittal et al.   ORGANIC LETTERS

Conjugate-Base-Stabilized Brønsted Acids as Asymmetric Catalysts: Enantioselective Povarov Reactions with Secondary Aromatic Amines

(2013) Chang Min et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Arylation of Diazoesters by a Transient NH Insertion Organocascade

(2013) Tyler J. Auvil et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Cooperative Catalysis in Glycosidation Reactions withO-Glycosyl Trichloroacetimidates as Glycosyl Donors

(2013) Yiqun Geng et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic X–H insertion reactions based on carbenoids

(2013) Dennis Gillingham et al.   CHEMICAL SOCIETY REVIEWS

O–H···S Hydrogen Bonds Conform to the Acid–Base Formalism

(2013) Surjendu Bhattacharyya et al.   JOURNAL OF PHYSICAL CHEMISTRY A

Highly enantioselective S–H bond insertion cooperatively catalyzed by dirhodium complexes and chiral spiro phosphoric acids

(2013) Bin Xu et al.   Chemical Science

Transition-Metal-Catalyzed Enantioselective Heteroatom–Hydrogen Bond Insertion Reactions

(2012) Shou-Fei Zhu et al.   ACCOUNTS OF CHEMICAL RESEARCH

Highly Enantioselective Michael Addition of 2-Oxindole- 3-carboxylate Esters to Nitroolefins Promoted by Cinchona Alkaloid-Thiourea-Brønsted Acid Cocatalysts

(2012) Xianjie Chen et al.   ADVANCED SYNTHESIS & CATALYSIS

Internal Lewis acid assisted ureas: tunable hydrogen bond donor catalysts

(2012) David M. Nickerson et al.   CHEMICAL COMMUNICATIONS

Hydrogen-Bonding Thiourea Organocatalysts: The Privileged 3,5-Bis(trifluoromethyl)phenyl Group

(2012) Katharina M. Lippert et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Urea Activation of α-Nitrodiazoesters: An Organocatalytic Approach to N–H Insertion Reactions

(2012) Sonia S. So et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

An Asymmetric Synthesis of 1,2,4-Trioxane Anticancer Agents via Desymmetrization of Peroxyquinols through a Brønsted Acid Catalysis Cascade

(2012) David M. Rubush et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Metal-Free N–H Insertions of Donor/Acceptor Carbenes

(2012) Stephanie R. Hansen et al.   ORGANIC LETTERS

Enhanced Efficiency of Thiourea Catalysts by External Brønsted Acids in the Friedel-Crafts Alkylation of Indoles

(2011) Eugenia Marqués-López et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Cooperative Thiourea–Brønsted Acid Organocatalysis: Enantioselective Cyanosilylation of Aldehydes with TMSCN

(2011) Zhiguo Zhang et al.   JOURNAL OF ORGANIC CHEMISTRY

Dual Catalysis in Enantioselective Oxidopyrylium-Based [5 + 2] Cycloadditions

(2011) Noah Z. Burns et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Highly Asymmetric Intramolecular Cyclopropanation of Acceptor-Substituted Diazoacetates by Co(II)-Based Metalloradical Catalysis: Iterative Approach for Development of New-Generation Catalysts

(2011) Xue Xu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Direct Aldol Reactions Catalyzed by a Heterogeneous Guanidinium Salt/Proline System under Solvent-Free Conditions‡

(2011) Ángel Martínez-Castañeda et al.   ORGANIC LETTERS

Nonmetal Catalyzed Insertion Reactions of Diazocarbonyls to Acid Derivatives in Fluorinated Alcohols

(2011) Lidia Dumitrescu et al.   ORGANIC LETTERS

Thiourea-Catalyzed Enantioselective Iso-Pictet–Spengler Reactions

(2011) Yunmi Lee et al.   ORGANIC LETTERS

Formal Synthesis of Belactosin A and Hormaomycin via a Diastereoselective Intramolecular Cyclopropanation of an α-Nitro Diazoester

(2010) Sébastien F. Vanier et al.   ORGANIC LETTERS

Asymmetric Cooperative Catalysis of Strong Bronsted Acid-Promoted Reactions Using Chiral Ureas

(2010) H. Xu et al.   SCIENCE

Copper-catalyzed enantioselective carbenoid insertion into S–H bonds

(2009) Yong-Zhen Zhang et al.   CHEMICAL COMMUNICATIONS

Direct enantioselective aldol reactions catalyzed by a proline–thiourea host–guest complex

(2009) Ömer Reis et al.   CHEMICAL COMMUNICATIONS

Highly Enantio- and Diastereoselective Organocatalytic Desymmetrization of Prochiral Cyclohexanones by Simple Direct Aldol Reaction Catalyzed by Proline

(2009) Xavier Companyó et al.   CHEMISTRY-A EUROPEAN JOURNAL

Substrate-Dependent Nonlinear Effects in Proline-Thiourea-Catalyzed Aldol Reactions: Unraveling the Role of the Thiourea Co-Catalyst

(2009) Niama El-Hamdouni et al.   CHEMISTRY-A EUROPEAN JOURNAL

Use of Bifunctional Ureas to Increase the Rate of Proline-Catalyzed α-Aminoxylations

(2009) Sarah L. Poe et al.   JOURNAL OF ORGANIC CHEMISTRY

Weak Brønsted Acid−Thiourea Co-catalysis: Enantioselective, Catalytic Protio-Pictet−Spengler Reactions

(2009) Rebekka S. Klausen et al.   ORGANIC LETTERS

Identification of 1S,2R-milnacipran analogs as potent norepinephrine and serotonin transporter inhibitors

(2008) Junko Tamiya et al.   BIOORGANIC & MEDICINAL CHEMISTRY LETTERS

Cooperative Brønsted Acid-Type Organocatalysis:  Alcoholysis of Styrene Oxides

(2008) Torsten Weil et al.   ORGANIC LETTERS

Hydrogen bonding to divalent sulfur

(2008) Daryl L. Howard et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS