Diastereodivergent Synthesis of 3-Spirocyclopropyl-2-oxindoles through Direct Enantioselective Cyclopropanation of Oxindoles

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

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

Asymmetric Rh(II)-Catalyzed Cyclopropanation of Alkenes with Diacceptor Diazo Compounds:p-Methoxyphenyl Ketone as a General Stereoselectivity Controlling Group

(2011) Vincent N. G. Lindsay et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enantioselective [3 + 2] Cycloaddition of Allenes to Acrylates Catalyzed by Dipeptide-Derived Phosphines: Facile Creation of Functionalized Cyclopentenes Containing Quaternary Stereogenic Centers

(2011) Xiaoyu Han 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

Highly Enantioselective Amination Reactions of Fluorinated Keto Esters Catalyzed by Novel Chiral Guanidines Derived from Cinchona Alkaloids

(2010) Xiao Han et al.   ADVANCED SYNTHESIS & CATALYSIS

Asymmetric Cyclopropanation of Alkenes with Dimethyl Diazomalonate Catalyzed by Chiral Diene-Rhodium Complexes

(2010) Takahiro Nishimura et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Stereocontrolled Creation of All-Carbon Quaternary Stereocenters by Organocatalytic Conjugate Addition of Oxindoles to Vinyl Sulfone

(2010) Qiang Zhu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Chiral primary amine mediated conjugate addition of branched aldehydes to vinyl sulfone: asymmetric generation of quaternary carbon centers

(2010) Qiang Zhu et al.   CHEMICAL COMMUNICATIONS

Organocatalyzed Cyclopropanation of α-Substituted α,β-Unsaturated Aldehydes: Enantioselective Synthesis of Cyclopropanes Bearing a Chiral Quaternary Center

(2010) Vincent Terrasson et al.   CHEMISTRY-A EUROPEAN JOURNAL

A Rapid Three-Component MgI2-Mediated Synthesis of 3,3-Pyrollidinyl Spirooxindoles

(2010) Victoria Helan et al.   JOURNAL OF ORGANIC CHEMISTRY

Facile Domino Access to Chiral Mono-, Bi-, and Tricyclic 2,3-Dihydrofurans

(2010) Li-Ping Fan et al.   JOURNAL OF ORGANIC CHEMISTRY

Complexity-Building Annulations of Strained Cycloalkanes and C═O π Bonds

(2010) Matthew J. Campbell et al.   JOURNAL OF ORGANIC CHEMISTRY

Asymmetric Cyclopropanation of β,γ-Unsaturated α-Ketoesters with Stabilized Sulfur Ylides Catalyzed byC2-Symmetric Ureas

(2010) Ying Cheng et al.   JOURNAL OF ORGANIC CHEMISTRY

Intramolecular Simmons−Smith Cyclopropanation. Studies into the Reactivity of Alkyl-Substituted Zinc Carbenoids, Effect of Directing Groups and Synthesis of Bicyclo[n.1.0]alkanes

(2010) James A. Bull et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

A General and Efficient Cobalt(II)-Based Catalytic System for Highly Stereoselective Cyclopropanation of Alkenes with α-Cyanodiazoacetates

(2010) Shifa Zhu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Asymmetric Quadruple Aminocatalytic Domino Reactions to Fused Carbocycles Incorporating a Spirooxindole Motif

(2010) Kun Jiang 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

Catalytic Asymmetric Domino Michael Addition−Alkylation Reaction: Enantioselective Synthesis of Dihydrofurans

(2010) Magnus Rueping et al.   ORGANIC LETTERS

Enantioselective Morita−Baylis−Hillman Reaction of Isatins with Acrylates: Facile Creation of 3-Hydroxy-2-oxindoles

(2010) Fangrui Zhong et al.   ORGANIC LETTERS

Palladium-catalyzed domino Heck/cyanation: synthesis of 3-cyanomethyloxindoles and their conversion to spirooxoindoles

(2010) Stéphanie Jaegli et al.   TETRAHEDRON

One-pot approach for the stereoselective synthesis of spirocyclopropyl oxindoles from isatins and arsonium salts

(2010) Haigang Yu et al.   TETRAHEDRON

Direct asymmetric aldol reaction of acetone with α-ketoesters catalyzed by primary–tertiary diamine organocatalysts

(2010) Zhaoqin Jiang et al.   TETRAHEDRON LETTERS

Diastereoselective synthesis of strained spiro-cyclopropanooxindoles from cyclic diazoamides

(2010) Sengodagounder Muthusamy et al.   TETRAHEDRON LETTERS

Efficient Construction of α-Spirocyclopropyl Lactones: Iridium-Salen-Catalyzed Asymmetric Cyclopropanation

(2009) Masami Ichinose 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

Asymmetric Mannich Reaction of Fluorinated Ketoesters with a Tryptophan-Derived Bifunctional Thiourea Catalyst

(2009) Xiao Han et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric generation of fluorine-containing quaternary carbons adjacent to tertiary stereocenters: uses of fluorinated methines as nucleophiles

(2009) Xiao Han et al.   CHEMICAL COMMUNICATIONS

Heterocycles from cyclopropanes: applications in natural product synthesis

(2009) Cheryl A. Carson et al.   CHEMICAL SOCIETY REVIEWS

Enantioselective Synthesis of 1,2,3-Trisubstituted Cyclopropanes Usinggem-Dizinc Reagents

(2009) Lucie E. Zimmer et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

In SituGeneration of Zinc Carbenoids from Diazo Compounds and Zinc Salts: Asymmetric Synthesis of 1,2,3-Substituted Cyclopropanes

(2009) Sébastien R. Goudreau et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

TfNH2as Achiral Hydrogen-Bond Donor Additive to Enhance the Selectivity of a Transition Metal Catalyzed Reaction. Highly Enantio- and Diastereoselective Rhodium-Catalyzed Cyclopropanation of Alkenes Using α-Cyano Diazoacetamide

(2009) David Marcoux et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Experimental Evidence for the All-Up Reactive Conformation of Chiral Rhodium(II) Carboxylate Catalysts: Enantioselective Synthesis ofcis-Cyclopropane α-Amino Acids

(2009) Vincent N. G. Lindsay et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

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

Highly Diastereo- and Enantioselective Pd-Catalyzed Cyclopropanation of Acyclic Amides with Substituted Allyl Carbonates

(2009) Wei Liu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

One-Pot Catalytic Enantio- and Diastereoselective Syntheses ofanti-,syn-cis-Disubstituted, andsyn-Vinyl Cyclopropyl Alcohols

(2009) Hun Young Kim et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

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

(2009) Jie Luo et al.   ORGANIC LETTERS

Highly Enantioselective Synthesis of Nitrocyclopropanes via Organocatalytic Conjugate Addition of Bromomalonate to α,β-Unsaturated Nitroalkenes

(2009) Yi-ning Xuan et al.   ORGANIC LETTERS

Asymmetric Syntheses of Oxindole and Indole Spirocyclic Alkaloid Natural Products

(2009) Barry Trost et al.   SYNTHESIS-STUTTGART

Asymmetric Simmons–Smith Reaction of Allylic Alcohols with Al Lewis Acid/N Lewis Base Bifunctional Al(Salalen) Catalyst

(2008) Hiroaki Shitama et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Acceptor/Acceptor-Substituted Diazo Reagents for Carbene Transfers: Cobalt-Catalyzed AsymmetricZ-Cyclopropanation of Alkenes with α-Nitrodiazoacetates

(2008) Shifa Zhu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

trans-Directing Ability of Amide Groups in Cyclopropanation: Application to the Asymmetric Cyclopropanation of Alkenes with Diazo Reagents Bearing Two Carboxy Groups

(2008) David Marcoux et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric catalysis with bifunctional cinchona alkaloid-based urea and thiourea organocatalysts

(2008) Stephen J. Connon   CHEMICAL COMMUNICATIONS

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

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

Hydrogen-Bond-Mediated Asymmetric Catalysis

(2008) Xinhong Yu et al.   Chemistry-An Asian Journal

Nucleophilic Addition of Phenol Derivatives to Methyl 1-Nitrocyclopropanecarboxylates

(2008) Olga Lifchits et al.   JOURNAL OF ORGANIC CHEMISTRY

Cobalt-Catalyzed Asymmetric Cyclopropanation with Diazosulfones: Rigidification and Polarization of Ligand Chiral Environment via Hydrogen Bonding and Cyclization

(2008) Shifa Zhu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

A Mild Procedure for the Lewis Acid-Catalyzed Ring-Opening of Activated Cyclopropanes with Amine Nucleophiles

(2008) Olga Lifchits et al.   ORGANIC LETTERS

Recent developments in asymmetric cyclopropanation

(2008) Hélène Pellissier   TETRAHEDRON