Organocatalytic asymmetric vinylogous Michael addition of 3-alkylidene oxindoles to α-substituted β-nitroacrylates: facile construction of a chiral all-carbon quaternary center

3-Alkenyl-2-silyloxyindoles in Vinylogous Mannich Reactions: Synthesis of Aminated Indole-Based Scaffolds and Products

(2014) Beatrice Ranieri et al.   ORGANIC LETTERS

Asymmetric Friedel–Crafts Alkylation of α-Substituted β-Nitroacrylates: Access to β2,2-Amino Acids Bearing Indolic All-Carbon Quaternary Stereocenters

(2014) Jian-Quan Weng et al.   ORGANIC LETTERS

Highly Enantioselective Organocatalyzed Vinylogous Michael-Type Reaction for the Construction of Trifluoromethylated All-Carbon Quaternary Stereocenters

(2014) Qiao Chen et al.   ORGANIC LETTERS

Stereoselective construction of all-carbon quaternary center by means of chiral phosphoric acid: highly enantioselective Friedel–Crafts reaction of indoles with β,β-disubstituted nitroalkenes

(2014) Keiji Mori et al.   Chemical Science

Asymmetric Vinylogous Michael Addition/Cyclization Cascade Reaction for the Construction of Diversely Structured Spiro- Oxindole Skeletons

(2013) Xiao-Mei Shi et al.   ADVANCED SYNTHESIS & CATALYSIS

Catalytic Asymmetric β,γ Activation of α,β-Unsaturated γ-Butyrolactams: Direct Approach to β,γ-Functionalized Dihydropyranopyrrolidin-2-ones

(2013) Xianxing Jiang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Direct Site-Specific and Highly Enantioselective γ-Functionalization of Linear α,β-Unsaturated Ketones: Bifunctional Catalytic Strategy

(2013) Dongxu Yang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Peptide-Catalyzed Stereoselective Conjugate Addition Reactions Generating All-Carbon Quaternary Stereogenic Centers

(2013) Robert Kastl et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalyzed asymmetric vinylogous Michael addition of α,β-unsaturated γ-butyrolactam

(2013) Jinlong Zhang et al.   CHEMICAL COMMUNICATIONS

Direct asymmetric aldol addition–isomerization of α,β-unsaturated γ-butyrolactam with aryl α-ketoesters: synthesis of MBH-type products

(2013) Jinlong Zhang et al.   CHEMICAL COMMUNICATIONS

Bifunctional Cinchona Alkaloid/Thiourea Catalyzes Direct and Enantioselective Vinylogous Michael Addition of 3-Alkylidene Oxindoles to Nitroolefins

(2012) Claudio Curti et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalytic Asymmetric Synthesis of 3-Chlorooxindoles Bearing Adjacent Quaternary–Tertiary Centers

(2012) Artur Noole et al.   ORGANIC LETTERS

Squaramide-catalyzed diastereo- and enantioselective Michael addition of 3-substituted oxindoles to nitroalkenes

(2012) Wen Yang et al.   TETRAHEDRON-ASYMMETRY

Enantioselective synthesis of all-carbon quaternary stereogenic centers in acyclic systems

(2011) Jaya Prakash Das et al.   CHEMICAL COMMUNICATIONS

Squaramides: Bridging from Molecular Recognition to Bifunctional Organocatalysis

(2011) José Alemán et al.   CHEMISTRY-A EUROPEAN JOURNAL

3-Alkenyl-2-silyloxyindoles: An Enabling, Yet Understated Progeny of Vinylogous Carbon Nucleophiles

(2011) Gloria Rassu et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Readily available hydrogen bond catalysts for the asymmetric transfer hydrogenation of nitroolefins

(2011) Jakob F. Schneider et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Bifunctional 3,3′-Ph2-BINOL-Mg Catalyzed Direct Asymmetric Vinylogous Michael Addition of α,β-Unsaturated γ-Butyrolactam

(2011) Li Lin et al.   ORGANIC LETTERS

Recent advances in the catalytic asymmetric synthesis of β-amino acids

(2010) Barbara Weiner et al.   CHEMICAL SOCIETY REVIEWS

Chiral Squaramides as Highly Enantioselective Catalysts for Michael Addition Reactions of 4-Hydroxycoumarins and 4-Hydroxypyrone to β,γ-Unsaturated α-Keto Esters

(2010) Dan-Qian Xu et al.   CHEMISTRY-A EUROPEAN JOURNAL

Highly Enantioselective Michael Addition of Nitroalkanes to Chalcones Using Chiral Squaramides as Hydrogen Bonding Organocatalysts

(2010) Wen Yang et al.   ORGANIC LETTERS

Enantioselective Conjugate Addition of Oximes to Trisubstituted β-Nitroacrylates: An Organocatalytic Approach to β2,2-Amino Acid Derivatives

(2010) Fu-Gen Zhang et al.   ORGANIC LETTERS

Direct asymmetric vinylogous Michael addition of cyclic enones to nitroalkenes via dienamine catalysis

(2010) G. Bencivenni et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Asymmetric Michael Addition Mediated by Novel Cinchona Alkaloid-Derived Bifunctional Catalysts Containing Sulfonamides

(2009) Jie Luo et al.   ORGANIC LETTERS

Enantioselective Michael Reactions of β, β-Disubstituted Nitroalkenes: A New Approach to β2,2-Amino Acids with Hetero-Quaternary Stereocenters

(2009) Hai-Hua Lu et al.   ORGANIC LETTERS

Organocatalytic Formation of Quaternary Stereocenters

(2009) Marco Bella et al.   SYNTHESIS-STUTTGART

Chiral Squaramide Derivatives are Excellent Hydrogen Bond Donor Catalysts

(2008) Jeremiah P. Malerich et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enantioselective Preparation of β²-Amino Acid Derivatives for β-Peptide Synthesis

(2008) Dieter Seebach et al.   SYNTHESIS-STUTTGART