An Organocatalytic Cascade Strategy for the Enantioselective Construction of Spirocyclopentane Bioxindoles Containing Three Contiguous Stereocenters and Two Spiro Quaternary Centers

An Easy Entry to Optically Active Spiroindolinones: Chiral Brønsted Acid-Catalysed Pictet-Spengler Reactions of Isatins

(2011) Sara Duce et al.   ADVANCED SYNTHESIS & CATALYSIS

Enantioselective Michael/Cyclization Reaction Sequence: Scaffold-Inspired Synthesis of Spirooxindoles with Multiple Stereocenters

(2011) Yiming Cao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

N-Heterocyclic Carbene Catalyzed Domino Reactions

(2011) André Grossmann et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly Enantioselective [3+2] Annulation of Morita-Baylis-Hillman Adducts Mediated by L-Threonine-Derived Phosphines: Synthesis of 3-Spirocyclopentene-2-oxindoles having Two Contiguous Quaternary Centers

(2011) Fangrui Zhong et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A highly organocatalytic stereoselective double Michael reaction: efficient construction of optically enriched spirocyclic oxindoles

(2011) Liang-Liang Wang et al.   CHEMICAL COMMUNICATIONS

Chiral squaramide-catalyzed highly diastereo- and enantioselective direct Michael addition of nitroalkanes to nitroalkenes

(2011) Wen Yang et al.   CHEMICAL COMMUNICATIONS

Squaramides: physical properties, synthesis and applications

(2011) R. Ian Storer et al.   CHEMICAL SOCIETY REVIEWS

Enantioselective methodologies for the synthesis of spiro compounds

(2011) Ramon Rios   CHEMICAL SOCIETY REVIEWS

From the Feist-Bénary Reaction to Organocatalytic Domino Michael-Alkylation Reactions: Asymmetric Synthesis of 3(2 H)-Furanones

(2011) Xiaowei Dou et al.   CHEMISTRY-A EUROPEAN JOURNAL

Organocatalytic Michael-Alkylation Cascade: The Enantioselective Nitrocyclopropanation of Oxindoles

(2011) Fabio Pesciaioli et al.   CHEMISTRY-A EUROPEAN JOURNAL

Squaramides: Bridging from Molecular Recognition to Bifunctional Organocatalysis

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

Highly Efficient Hydrogen-Bonding Catalysis of the Diels–Alder Reaction of 3-Vinylindoles and Methyleneindolinones Provides Carbazolespirooxindole Skeletons

(2011) Bin Tan et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Core-Structure-Motivated Design of a Phosphine-Catalyzed [3 + 2] Cycloaddition Reaction: Enantioselective Syntheses of Spirocyclopenteneoxindoles

(2011) Bin Tan et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Asymmetric Catalysis of Diels–Alder Reactions with in Situ Generated Heterocyclicortho-Quinodimethanes

(2011) Yankai Liu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Trienamines in Asymmetric Organocatalysis: Diels−Alder and Tandem Reactions

(2011) Zhi-Jun Jia et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Organocatalytic Direct Asymmetric Aldol Reactions of 3-Isothiocyanato Oxindoles to Ketones: Stereocontrolled Synthesis of Spirooxindoles Bearing Highly Congested Contiguous Tetrasubstituted Stereocenters

(2011) Wen-Bing Chen et al.   ORGANIC LETTERS

Catalytic Asymmetric Construction of Spirocyclopentaneoxindoles by a Combined Ru-Catalyzed Cross-Metathesis/Double Michael Addition Sequence

(2011) Ying-Mei Li et al.   ORGANIC LETTERS

Catalytic Asymmetric Synthesis of Oxindoles Bearing a Tetrasubstituted Stereocenter at the C-3 Position

(2010) Feng Zhou et al.   ADVANCED SYNTHESIS & CATALYSIS

Squaramide-catalyzed enantioselective Friedel–Crafts reaction of indoles with imines

(2010) Yong Qian et al.   CHEMICAL COMMUNICATIONS

Organocatalytic synthesis of spiro compounds via a cascade Michael–Michael-aldol reaction

(2010) Xavier Companyó et al.   CHEMICAL COMMUNICATIONS

Organocatalytic asymmetric direct vinylogous aldol reactions of γ-crotonolactone with aromatic aldehydes

(2010) Sunil V. Pansare et al.   CHEMICAL COMMUNICATIONS

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

Organocatalytic Tandem Reaction to Construct Six-Membered Spirocyclic Oxindoles with Multiple Chiral Centres through a Formal [2+2+2] Annulation

(2010) Kun Jiang et al.   CHEMISTRY-A EUROPEAN JOURNAL

An Organocatalytic [3+2] Cyclisation Strategy for the Highly Enantioselective Synthesis of Spirooxindoles

(2010) Arnaud Voituriez et al.   CHEMISTRY-A EUROPEAN JOURNAL

Recent Advances in Multicatalyst Promoted Asymmetric Tandem Reactions

(2010) Jian Zhou   Chemistry-An Asian Journal

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

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

A Unique Approach to the Concise Synthesis of Highly Optically Active Spirooxazolines and the Discovery of a More Potent Oxindole-Type Phytoalexin Analogue

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

Highly enantioselective synthesis and cellular evaluation of spirooxindoles inspired by natural products

(2010) Andrey P. Antonchick et al.   Nature Chemistry

Organocatalytic cascade reactions as a new tool in total synthesis

(2010) Christoph Grondal et al.   Nature Chemistry

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

(2010) Wen Yang et al.   ORGANIC LETTERS

Organocatalytic Asymmetric Formal [4 + 2] Cycloaddition for the Synthesis of Spiro[4-cyclohexanone-1,3′-oxindoline] Derivatives in High Optical Purity

(2010) Qiang Wei et al.   ORGANIC LETTERS

Highly Enantioselective Construction of Spiro[4H-pyran-3,3′-oxindoles] Through a Domino Knoevenagel/Michael/Cyclization Sequence Catalyzed by Cupreine

(2010) Wen-Bing Chen et al.   ORGANIC LETTERS

Spiroindolones, a Potent Compound Class for the Treatment of Malaria

(2010) M. Rottmann et al.   SCIENCE

Asymmetric construction of quaternary stereocenters by direct conjugate addition of oxindoles to enone

(2010) Wangsheng Sun et al.   TETRAHEDRON-ASYMMETRY

Squaramide-Catalyzed Enantioselective Michael Addition of Diphenyl Phosphite to Nitroalkenes

(2009) Ye Zhu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Targeting Structural and Stereochemical Complexity by Organocascade Catalysis: Construction of Spirocyclic Oxindoles Having Multiple Stereocenters

(2009) Giorgio Bencivenni et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Expanding the Scope of Enantioselective FerroPHANE-Promoted [3+2] Annulations with α,β-Unsaturated Ketones

(2009) Nathalie Pinto et al.   CHEMISTRY-A EUROPEAN JOURNAL

Organocatalytic Synthesis of Spiro[pyrrolidin-3,3′-oxindoles] with High Enantiopurity and Structural Diversity

(2009) Xiao-Hua Chen et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Isolation of Antipodal (−)-Versicolamide B and Notoamides L−N from a Marine-DerivedAspergillussp.

(2009) Sachiko Tsukamoto et al.   ORGANIC LETTERS

Asymmetric Syntheses of Oxindole and Indole Spirocyclic Alkaloid Natural Products

(2009) Barry Trost et al.   SYNTHESIS-STUTTGART

Isolation, Structure Elucidation, and Biomimetic Total Synthesis of Versicolamide B, and the Isolation of Antipodal (−)-Stephacidin A and (+)-Notoamide B fromAspergillus versicolor NRRL 35600

(2008) Thomas J. Greshock et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

One-Pot Organocatalytic Domino Michael/α-Alkylation Reactions: Direct Catalytic Enantioselective Cyclopropanation and Cyclopentanation Reactions

(2008) Ismail Ibrahem et al.   CHEMISTRY-A EUROPEAN JOURNAL

Chiral Squaramide Derivatives are Excellent Hydrogen Bond Donor Catalysts

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

Temporal activation of p53 by a specific MDM2 inhibitor is selectively toxic to tumors and leads to complete tumor growth inhibition

(2008) S. Shangary et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA