1293997-44-0Relevant articles and documents
Highly diastereo-and enantioselective synthesis of 5-substituted 3-pyrrolidin-2-ones: Vinylogous michael addition under multifunctional catalysis
Huang, Huicai,Jin, Zhichao,Zhu, Kailong,Liang, Xinmiao,Ye, Jinxing
supporting information; experimental part, p. 3232 - 3235 (2011/05/15)
A direct line: A direct organocatalytic asymmetric vinylogous Michael addition of α,β-unsaturated γ-butyrolactams with α,β-unsaturated ketones has been developed (see scheme; Boc=tert-butoxycarbonyl, Trp=tryptophan, Ts=4-toluenesulfonyl). The resulting Mi