Organocatalyzed Asymmetric 1,4-Addition of Azlactones to α,β-Unsaturated Trichloromethyl Ketones: Synthesis of α,α-Disubstituted α-Amino Acid Derivatives

[8+2] Formal Cycloaddition Reactions of Tropones with Azlactones under Brønsted Acid Catalysis and Synthesis of α-(2-Tropyl), α-Alkyl α-Amino Acids

(2014) Francisco Esteban et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Highly Enantioselective Organocatalytic α-Sulfenylation of Azlactones

(2014) Baokun Qiao et al.   ORGANIC LETTERS

Alkynyliodonium Salt Mediated Alkynylation of Azlactones: Fast Access to Cα-Tetrasubstituted α-Amino Acid Derivatives

(2014) Peter Finkbeiner et al.   ORGANIC LETTERS

Asymmetric Palladium(II)-Catalyzed Cascade Reaction Giving Quaternary Amino Succinimides by 1,4-Addition and a Nef-Type Reaction

(2013) Manuel Weber et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalytic Diastereo- and Enantioselective 1,3-Dipolar Cycloaddition of Azlactones and Methyleneindolinones

(2013) Wangsheng Sun et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Palladium-Catalyzed Asymmetric Benzylation of Azlactones

(2013) Barry M. Trost et al.   CHEMISTRY-A EUROPEAN JOURNAL

Brønsted Acid Catalyzed Highly Diastereoselective Michael-Type Addition of Azlactones to Enones

(2013) Eloah P. Ávila et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Highly stereoselective Michael addition of azlactones to electron-deficient triple bonds under P-spiro chiral iminophosphorane catalysis: importance of protonation pathway

(2013) Daisuke Uraguchi et al.   Chemical Science

A Chiral Bis(betaine) Catalyst for the Mannich Reaction of Azlactones and Aliphatic Imines

(2012) Wen-Quan Zhang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Bispalladacycle-Catalyzed Michael Addition of In Situ Formed Azlactones to Enones

(2012) Manuel Weber et al.   CHEMISTRY-A EUROPEAN JOURNAL

Pd(II)-Catalyzed Regio-, Enantio-, and Diastereoselective 1,4-Addition of Azlactones Formed in Situ From Racemic Unprotected Amino Acids and Acetic Anhydride

(2012) Manuel Weber et al.   JOURNAL OF ORGANIC CHEMISTRY

Stereoselective Construction of Quaternary Carbon Stereocenters via a Semipinacol Rearrangement Strategy

(2011) Baomin Wang et al.   ACCOUNTS OF CHEMICAL RESEARCH

Chiral Brønsted Acid Catalyzed Stereoselective Addition of Azlactones to 3-Vinylindoles for Facile Access to Enantioenriched Tryptophan Derivatives

(2011) Masahiro Terada et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly tunable arylated cinchona alkaloids as bifunctional catalysts

(2011) Cormac Quigley et al.   CHEMICAL COMMUNICATIONS

Highly Stereoselective [4+2] Cycloaddition of Azlactones to β,γ-Unsaturated α-Ketoesters Catalyzed by an Axially Chiral Guanidine Base

(2011) Masahiro Terada et al.   CHEMISTRY-A EUROPEAN JOURNAL

Oxazolones in Organocatalysis, New Tricks for an Old Reagent

(2011) Andrea-Nekane R. Alba et al.   Chemistry-An Asian Journal

A Dual-Catalysis Approach to the Asymmetric Steglich Rearrangement and Catalytic Enantioselective Addition ofO-Acylated Azlactones to Isoquinolines

(2011) Chandra Kanta De et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Gold(I)-Catalyzed Diastereo- and Enantioselective 1,3-Dipolar Cycloaddition and Mannich Reactions of Azlactones

(2011) Asa D. Melhado et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

HighlyZ-Selective Asymmetric 1,4-Addition Reaction of 5H-Oxazol-4-ones with Alkynyl Carbonyl Compounds Catalyzed by Chiral Guanidines

(2011) Tomonori Misaki et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Multifunctional chiral phosphines-catalyzed highly diastereoselective and enantioselective substitution of Morita–Baylis–Hillman adducts with oxazolones

(2011) Yuan-Liang Yang et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Self-association free bifunctional thiourea organocatalysts: synthesis of chiral α-amino acids via dynamic kinetic resolution of racemic azlactones

(2011) Joong-Suk Oh et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Bifunctional cinchona alkaloids-catalyzed asymmetric [4+2] cycloaddition reaction of β,γ-unsaturated α-keto esters with oxazolones

(2011) Yin Ying et al.   TETRAHEDRON

Chiral Ammonium Betaines as Ionic Nucleophilic Catalysts

(2010) Daisuke Uraguchi et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Organocatalytic Addition of Azlactones to Maleimides: A Highly Stereocontrolled Entry to 2,2-Disubstituted-2H-oxazol-5-ones

(2010) Andrea-Nekane R. Alba et al.   CHEMISTRY-A EUROPEAN JOURNAL

Enantioselective Organocatalytic Addition of Oxazolones to 1,1-Bis(phenylsulfonyl)ethylene: A Convenient Asymmetric Synthesis of Quaternary α-Amino Acids

(2010) Andrea-Nekane R. Alba et al.   CHEMISTRY-A EUROPEAN JOURNAL

Chiral Bisguanidine-Catalyzed Inverse-Electron-Demand Hetero-Diels−Alder Reaction of Chalcones with Azlactones

(2010) Shunxi Dong et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Acyl Phosphonates: Good Hydrogen Bond Acceptors and Ester/Amide Equivalents in Asymmetric Organocatalysis

(2010) Hao Jiang et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Bispalladacycle-Catalyzed Brønsted Acid/Base-Promoted Asymmetric Tandem Azlactone Formation−Michael Addition

(2010) Manuel Weber et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Asymmetric Aza-Mannich Addition of Oxazolones toN-Tosyl Aldimines: Synthesis of Chiral α-Disubstituted α,β-Diamino Acids

(2010) Xiaodong Liu et al.   ORGANIC LETTERS

Dynamic Kinetic Resolution of Azlactones Catalyzed by Chiral Brønsted Acids

(2010) Guojian Lu et al.   ORGANIC LETTERS

Highly Efficient Asymmetric Epoxidation of Electron-Deficient α,β-Enones and Related Applications to Organic Synthesis

(2009) Changwu Zheng et al.   ADVANCED SYNTHESIS & CATALYSIS

Isothiourea-Catalyzed Enantioselective Carboxy Group Transfer

(2009) Caroline Joannesse et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Flexible synthesis, structural determination, and synthetic application of a new C1-symmetric chiral ammonium betaine

(2009) Daisuke Uraguchi et al.   CHEMICAL COMMUNICATIONS

Asymmetric Synthesis of 3-Amino-δ-lactams and Benzo[a]quinolizidines by Catalytic Cyclization Reactions Involving Azlactones

(2009) Jun Jiang et al.   CHEMISTRY-A EUROPEAN JOURNAL

Enantioselective Direct Aldol-Type Reaction of Azlactone via Protonation of Vinyl Ethers by a Chiral Brønsted Acid Catalyst

(2009) Masahiro Terada et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chiral Organic Ion Pair Catalysts Assembled Through a Hydrogen-Bonding Network

(2009) D. Uraguchi et al.   SCIENCE

Site-Directed Asymmetric Quaternization of a Peptide Backbone at a C-Terminal Azlactone

(2008) Daisuke Uraguchi et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric 1,4-Addition of Oxazolones to Nitroalkenes by Bifunctional Cinchona Alkaloid Thiourea Organocatalysts: Synthesis of α,α-Disubstituted α-Amino Acids

(2008) José Alemán et al.   CHEMISTRY-A EUROPEAN JOURNAL

Organocatalytic Asymmetric Synthesis of α,α-Disubstituted α-Amino Acids and Derivatives

(2008) Silvia Cabrera et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chiral Tetraaminophosphonium Carboxylate-Catalyzed Direct Mannich-Type Reaction

(2008) Daisuke Uraguchi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Synthetic Studies on Altemicidin:  Stereocontrolled Construction of the Core Framework

(2007) Toshiyuki Kan et al.   ORGANIC LETTERS