Stereospecific synthesis of 2,3-disubstituted aziridines from β-alkylamino phenylselenides
作者:Stéphane Boivin、Francis Outurquin、Claude Paulmier
DOI:10.1016/s0040-4039(99)02159-0
日期:2000.1
Reduction of α-phenylselanyl imines derived from β-phenylselanyl α-oxoesters or PhSeCl assisted nucleophilic addition of primary amines to α,β-unsaturated esters have led to β-alkylamino phenylselenides 4, 5, 12 and 13 which were cyclised into aziridines 8, 9 and 14 after selenium activation. threo-Amino selenides led stereospecifically to cis-2,3-disubstituted aziridines. Depending on the structure
从β-phenylselanylα-oxoesters或PhSeCl衍生α-phenylselanyl亚胺的还原辅助亲核加成伯胺与α,β不饱和酯导致β -烷基氨基phenylselenides 4,5,12和13,其被环化成氮丙啶8,硒活化后的图9和14。苏-氨基硒化物立体定向地生成顺式-2,3-二取代的氮丙啶。取决于结构,非官能化氨基硒化物19 - 20也被环化成氮丙啶21 - 22。