✦ LIBER ✦

ChemInform Abstract: Catalytic Asymmetric 1,3-Dipolar Cycloaddition of N-Unprotected 2-Oxoindolin-3-ylidene Derivatives and Azomethine Ylides for the Construction of Spirooxindole-Pyrrolidines.

✍ Scribed by Tang-Lin Liu; Zhi-Yong Xue; Hai-Yan Tao; Chun-Jiang Wang

Publisher: John Wiley and Sons
Year: 2011
Weight: 43 KB
Volume: 42
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201129103

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✦ Synopsis

Abstract

A simple, efficient, and stereoselective method to prepare biologically important spirooxindole‐pyrrolidines like (III) is reported.

📜 SIMILAR VOLUMES

ChemInform Abstract: 2-Oxoindolin-3-ylid

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ChemInform Abstract: Catalytic Asymmetri

ChemInform Abstract: Catalytic Asymmetric Construction of Spirocycles Containing Pyrrolidine Motifs and Spiro Quaternary Stereogenic Centers via 1,3-Dipolar Cycloaddition of Azomethine Ylides with 2-Alkylidine-Cycloketones.

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ChemInform Abstract: The Synthesis of Su

ChemInform Abstract: The Synthesis of Substituted Pyrrolidines and 2,5-Dihydropyrroles via 1,3-Dipolar Cycloaddition of Nonstabilized Azomethine Ylides.

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ChemInform Abstract: Asymmetric Construc

ChemInform Abstract: Asymmetric Construction of 3-Vinylidene-pyrrolidine Derivatives Containing Allene Moiety via Ag(I)/TF-BiphamPhos-Catalyzed 1,3-Dipolar Cycloaddition of Azomethine Ylides with Diethyl 2-(3,3-Diphenylpropa-1,2-dienylidene) Malonate.

✍ Zhi-Yong Xue; Xin Fang; Chun-Jiang Wang 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 41 KB

ChemInform Abstract: Stereoselective Con

ChemInform Abstract: Stereoselective Construction of a 5-Aza-spiro[2,4]heptane Motif via Catalytic Asymmetric 1,3-Dipolar Cycloaddition of Azomethine Ylides and Ethyl Cyclopropylidene Acetate.

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ChemInform Abstract: Application of meso

ChemInform Abstract: Application of meso-Hydrobenzoin-Derived Chiral Auxiliaries for the Stereoselective Synthesis of Highly Substituted Pyrrolidines by 1,3-Dipolar Cycloaddition of Azomethine Ylides.

✍ Katharina Bica; Peter Gaertner 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB

## Abstract Acrylic ester derivatives (I) possessing meso‐hydrobenzoin derived chiral auxiliaries undergo cycloaddition with the azomethine (II) to give the highly substituted pyrrolidines (III) with up to 87% e.e.