Improvement of the Synthesis of Chiral Non-Racemic Bicyclic Lactams in the Piperidin-2-ones Series
作者:Laurent Micouin、Jean-Charles Quirion、Henri-Philippe Husson
DOI:10.1080/00397919608003529
日期:1996.4
Abstract Bicyclic lactams 8 have been prepared in enantiomerically pure form from the corresponding amino esters 5 and glutaric anhydride. The key step is the reduction of imides 7 in methanol. Selective reduction of 8 furnished N-substituted lactams 9.
摘要 双环内酰胺 8 已从相应的氨基酯 5 和戊二酸酐以对映体纯形式制备。关键步骤是在甲醇中还原酰亚胺 7。选择性还原 8 种提供的 N-取代内酰胺 9.