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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.

✍ Scribed by Tang-Lin Liu; Zhao-Lin He; Qing-Hua Li; Hai-Yan Tao; Chun-Jiang Wang

Publisher
John Wiley and Sons
Year
2011
Weight
46 KB
Volume
42
Category
Article
ISSN
0931-7597

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Catalytic Asymmetric Construction of Spi
Catalytic Asymmetric Construction of Spirocycles Containing Pyrrolidine Motifs and Spiro Quaternary Stereogenic Centers via 1,3-Dipolar Cycloaddition of Azomethine Ylides with 2-Alkylidene-Cycloketones
✍ Tang-Lin Liu; Zhao-Lin He; Qing-Hua Li; Hai-Yan Tao; Chun-Jiang Wang 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 595 KB

## Abstract The first catalytic asymmetric 1,3‐dipolar cycloaddition of azomethine ylides with various sterically hindered α,α,β‐trisubstituted 2‐alkylidene‐cycloketones has been developed successfully with silver acetate/TF‐BiphamPhos complex for the construction of spiro heterocyclic compounds co

ChemInform Abstract: Morita—Baylis—Hillm
ChemInform Abstract: Morita—Baylis—Hillman Adducts as Effective Dipolarophiles in Copper(I)-Catalyzed 1,3-Dipolar Cycloaddition with Azomethine Ylides: Asymmetric Construction of Pyrrolidine Derivatives Containing Quaternary Stereogenic Center.
✍ Huai-Long Teng; He Huang; Hai-Yan Tao; Chun-Jiang Wang 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views

## Abstract The first catalytic asymmetric 1,3‐dipolar cycloaddition of azomethine ylides (II) with Morita—Baylis—Hillman adducts bearing an allylic hydroxyl group is described.

ChemInform Abstract: Catalytic Asymmetri
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.
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## Abstract A simple, efficient, and stereoselective method to prepare biologically important spirooxindole‐pyrrolidines like (III) is reported.