作者:Malika Ibrahim-Ouali、Marie-Ève Sinibaldi、Yves Troin、Dominique Guillaume、Jean-Claude Gramain
DOI:10.1016/s0040-4020(97)10028-x
日期:1997.11
Spiroindoline lactams 9 and imides 11 were efficiently and diastereoselectively prepared by photocyclization of N-arylenaminolactams 8 and esters 5 respectively. Imides 11 were conveniently transformed into the known indolines 13 and 14 which are key intermediates for the synthesis of (+/-)-vindorosine and Aspidosperma alkaloids. (C) 1997 Elsevier Science Ltd.