Chiral 1,4-diazepinones and 1,4-thiazepinones by diastereoselective ring chain transformation of α,β unsaturated lactones or lactams
作者:J. Bohrisch、H. Faltz、M. Pätzel、J. Liebscher
DOI:10.1016/s0040-4020(01)89262-0
日期:1994.1
Butenolides or α,β-unsaturated lactams 1 react with 1,2-diamines cysteamine or 2-aminothiophenol by addition and ringtransformation giving new chiral, hydrogenated or partly hydrogenated 7-(α-hydroxyalkyl) and 7-(α-aminoalkyl)-1,4-diazepin-5-ones and 1,4-thiazepin-5-ones 4.