A Highly Enantioselective One-Pot Synthesis of Spirolactones by an Organocatalyzed Michael Addition/Cyclization Sequence

Highly enantioselective Michael addition of 2-oxindoles to vinyl selenone in RTILs catalyzed by a Cinchona alkaloid-based thiourea

(2011) Tao Zhang et al.   CHEMICAL COMMUNICATIONS

Divergent reactions on racemic mixtures

(2011) Laura C. Miller et al.   CHEMICAL SOCIETY REVIEWS

Construction of spirolactones with concomitant formation of the fused quaternary centre – application to the synthesis of natural products

(2011) Alexandra Bartoli et al.   NATURAL PRODUCT REPORTS

Recent applications of Cinchona alkaloids and their derivatives as catalysts in metal-free asymmetric synthesis

(2011) Elizabeth M.O. Yeboah et al.   TETRAHEDRON

Highly organocatalytic asymmetric Michael–ketone aldol–dehydration domino reaction: straightforward approach to construct six-membered spirocyclic oxindoles

(2010) Liang-Liang Wang et al.   CHEMICAL COMMUNICATIONS

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

(2010) Xavier Companyó et al.   CHEMICAL COMMUNICATIONS

Multiple approaches to enantiopure spirocyclic benzofuranones using organocatalytic cascade reactions

(2010) Carlo Cassani et al.   CHEMICAL COMMUNICATIONS

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

Synthesis of Enantiopure 1,4-Dioxanes, Morpholines, and Piperazines from the Reaction of Chiral 1,2-Diols, Amino Alcohols, and Diamines with Vinyl Selenones

(2010) Luana Bagnoli et al.   CHEMISTRY-A EUROPEAN JOURNAL

Asymmetric Synthesis of Spiro-3,4-dihydropyrans via a Domino Organocatalytic Sequence

(2010) Weijun Yao et al.   ORGANIC LETTERS

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

Cinchona Alkaloids in Asymmetric Organocatalysis

(2010) Tommaso Marcelli et al.   SYNTHESIS-STUTTGART

One-pot synthesis of aziridines from vinyl selenones and variously functionalized primary amines

(2010) Silvia Sternativo et al.   TETRAHEDRON

A New Stereoselective Synthesis of Cyclopropanes Containing Quaternary Stereocentres via Organocatalytic Michael Addition to Vinyl Selenones

(2009) Francesca Marini et al.   ADVANCED SYNTHESIS & CATALYSIS

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

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

Organocatalytic Formation of Quaternary Stereocenters

(2009) Marco Bella et al.   SYNTHESIS-STUTTGART

Selected Synthetic Strategies to Spirocyclics

(2009) Sambasivarao Kotha et al.   SYNTHESIS-STUTTGART

Chiral Diphosphine and Monodentate Phosphorus Ligands on a Spiro Scaffold for Transition-Metal-Catalyzed Asymmetric Reactions

(2008) Jian-Hua Xie et al.   ACCOUNTS OF CHEMICAL RESEARCH

Enantioselective Organocatalytic Michael Addition of α-Substituted Cyanoacetates to α,β-Unsaturated Selenones

(2008) Francesca Marini et al.   ADVANCED SYNTHESIS & CATALYSIS

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

(2008) Stephen J. Connon   CHEMICAL COMMUNICATIONS

Enantioselective organocatalytic Michael additions to acrylic acid derivatives: generation of all-carbon quaternary stereocentres

(2008) Caroline L. Rigby et al.   CHEMICAL COMMUNICATIONS

Catalytic enantioselective conjugate additions with α,β-unsaturated sulfones

(2008) Hongming Li et al.   TETRAHEDRON