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Start Over Author "Wu, Shi-Lu" Topic alkenes
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1. Catalytic asymmetric cycloaddition of unsymmetrical EWG-activated alkenes to fully substituted pyrrolidines bearing three different carbonyl groups.

Author

Wu, Shi-Lu, Li, Ning, Yin, Guan-Wu, Xu, Zheng, Ye, Fei, Li, Li, Cui, Yu-Ming, and Xu, Li-Wen

Subjects
*PYRROLIDINE synthesis, *CARBONYL group, *RING formation (Chemistry), *ALKENES, *DITHIOCARBAMATES
Abstract

A unique 1,3-dipolar [3+2] cycloaddition of alkyl 4-oxo-4-arylbut-2-enoates bearing two different electron-withdrawing groups was completed by using the silver/(R)-DTBM-Segphos catalyst system, which gives the corresponding fully substituted pyrrolidines with four stereogenic centers in good yields and with excellent enantioselectivities (up to 98% ee). [ABSTRACT FROM AUTHOR]

Published
2019
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