An unusual stereoretentive 1,3-quaternary carbon shift resulting in an enantioselective RhII-catalyzed formal [4+1]-cycloaddition between diazo compounds and vinyl ketenes

Enantioselective [4 + 1] cycloaddition of ortho-quinone methides and bromomalonates under phase-transfer catalysis

(2017) Xiao-Lei Lian et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Rearrangement of an Intermediate Cyclopropyl Ketene in a RhII-Catalyzed Formal [4 + 1]-Cycloaddition Employing Vinyl Ketenes as 1,4-Dipoles and Donor–Acceptor Metallocarbenes

(2017) Kevin X. Rodriguez et al.   ORGANIC LETTERS

Isocyanide based [4+1] cycloaddition reactions: an indispensable tool in multi-component reactions (MCRs)

(2016) Tanpreet Kaur et al.   CHEMICAL COMMUNICATIONS

Cyclobutenones and Benzocyclobutenones: Versatile Synthons in Organic Synthesis

(2016) Peng-hao Chen et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Asymmetric Synthesis of Chiral Dihydrobenzofurans through a Formal [4+1] Annulation Reaction of Sulfur Ylides and In Situ Generatedortho-Quinone Methides

(2016) Qing-Qing Yang et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Synthetic Applications and Methodological Developments of Donor−Acceptor Cyclopropanes and Related Compounds

(2016) Nicholas R. O'Connor et al.   ISRAEL JOURNAL OF CHEMISTRY

Structures of Reactive Donor/Acceptor and Donor/Donor Rhodium Carbenes in the Solid State and Their Implications for Catalysis

(2016) Christophe Werlé et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Catalytic Enantioselective Construction of Quaternary Stereocenters: Assembly of Key Building Blocks for the Synthesis of Biologically Active Molecules

(2015) Yiyang Liu et al.   ACCOUNTS OF CHEMICAL RESEARCH

The First Crystal Structure of a Reactive Dirhodium Carbene Complex and a Versatile Method for the Preparation of Gold Carbenes by Rhodium-to-Gold Transmetalation

(2015) Christophe Werlé et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Formal [4+1] Annulation Reactions in the Synthesis of Carbocyclic and Heterocyclic Systems

(2015) Jia-Rong Chen et al.   CHEMICAL REVIEWS

Use of a New Spirophosphine To Achieve Catalytic Enantioselective [4 + 1] Annulations of Amines with Allenes To Generate Dihydropyrroles

(2015) Søren Kramer et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enantioselective [4 + 1] Annulation Reactions of α-Substituted Ammonium Ylides To Construct Spirocyclic Oxindoles

(2015) Peng-Fei Zheng et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Rh-catalyzed reagent-free ring expansion of cyclobutenones and benzocyclobutenones

(2015) Peng-hao Chen et al.   Chemical Science

Asymmetric Synthesis of Spiropyrazolones through Phosphine-Catalyzed [4+1] Annulation

(2014) Xiaoyu Han et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Phosphine-catalyzed asymmetric [4+1] annulation of activated α,β-unsaturated ketones with Morita–Baylis–Hillman carbonates: enantioselective synthesis of spirooxindoles containing two adjacent quaternary stereocenters

(2014) Fang-Le Hu et al.   CHEMICAL COMMUNICATIONS

Total synthesis and isolation of citrinalin and cyclopiamine congeners

(2014) Eduardo V. Mercado-Marin et al.   NATURE

Catalytic asymmetric synthesis of 3,3-disubstituted oxindoles: diazooxindole joins the field

(2014) Zhong-Yan Cao et al.   TETRAHEDRON LETTERS

Ketenes and Other Cumulenes as Reactive Intermediates

(2013) Annette D. Allen et al.   CHEMICAL REVIEWS

Stereoselective Rh2(S-IBAZ)4-Catalyzed Cyclopropanation of Alkenes, Alkynes, and Allenes: Asymmetric Synthesis of Diacceptor Cyclopropylphosphonates and Alkylidenecyclopropanes

(2013) Vincent N. G. Lindsay et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Highly Stereoselective Olefin Cyclopropanation of Diazooxindoles Catalyzed by a C2-Symmetric Spiroketal Bisphosphine/Au(I) Complex

(2013) Zhong-Yan Cao et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Rapid Access to Spirocyclic Oxindole Alkaloids: Application of the Asymmetric Palladium-Catalyzed [3 + 2] Trimethylenemethane Cycloaddition

(2013) Barry M. Trost et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Guide to enantioselective dirhodium(II)-catalyzed cyclopropanation with aryldiazoacetates

(2013) Kathryn M. Chepiga et al.   TETRAHEDRON

Rhodium-catalyzed enantioselective cyclopropanation of electron-deficient alkenes

(2013) Hengbin Wang et al.   Chemical Science

Total Syntheses of the Elusive Welwitindolinones with Bicyclo[4.3.1] Cores

(2012) Alexander D. Huters et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Highly Diastereo- and Enantioselective Hg(II)-Catalyzed Cyclopropanation of Diazooxindoles and Alkenes

(2012) Zhong-Yan Cao et al.   ORGANIC LETTERS

Rh2(S-PTTL)3TPA—a mixed-ligand dirhodium(ii) catalyst for enantioselective reactions of α-alkyl-α-diazoesters

(2012) David T. Boruta et al.   Chemical Science

Guiding principles for site selective and stereoselective intermolecular C–H functionalization by donor/acceptor rhodium carbenes

(2011) Huw M. L. Davies et al.   CHEMICAL SOCIETY REVIEWS

D2-Symmetric Dirhodium Catalyst Derived from a 1,2,2-Triarylcyclopropanecarboxylate Ligand: Design, Synthesis and Application

(2011) Changming Qin et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

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

From Discovery to Application: 50 Years of the Vinylcyclopropane-Cyclopentene Rearrangement and Its Impact on the Synthesis of Natural Products

(2010) Tomas Hudlicky et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

First X-ray Structure of aN-Naphthaloyl-Tethered Chiral Dirhodium(II) Complex: Structural Basis for Tether Substitution Improving Asymmetric Control in Olefin Cyclopropanation

(2010) Ashraf Ghanem et al.   CHEMISTRY-A EUROPEAN JOURNAL

A new route to silyl-substituted cyclobutenones and silylketenes

(2010) Konstantin Benda et al.   TETRAHEDRON LETTERS

Synthetic approaches to the bicyclo[2.2.2]diazaoctane ring system common to the paraherquamides, stephacidins and related prenylated indole alkaloids

(2009) Kenneth A. Miller et al.   CHEMICAL SOCIETY REVIEWS

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

Development of a Formal [4 + 1] Cycloaddition: Pd(OAc)2-Catalyzed Intramolecular Cyclopropanation of 1,3-Dienyl β-Keto Esters and MgI2-Promoted Vinylcyclopropane−Cyclopentene Rearrangement

(2009) Rockford W. Coscia et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enantioselective Reactions of Donor/Acceptor Carbenoids Derived from α-Aryl-α-Diazoketones

(2009) Justin R. Denton et al.   ORGANIC LETTERS

Stereocontrolled Synthesis of Spirooxindoles through Lewis Acid-Promoted [5 + 2]-Annulation of Chiral Silyl Alcohols

(2009) Yun Zhang et al.   ORGANIC LETTERS

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

Catalytic C–H functionalization by metal carbenoid and nitrenoid insertion

(2008) Huw M. L. Davies et al.   NATURE

High symmetry dirhodium(II) paddlewheel complexes as chiral catalysts

(2007) Jørn Hansen et al.   COORDINATION CHEMISTRY REVIEWS