Treatment of 1-iodoacetoxy}-2,7-octadienes and 1-iodoacetoxy}-2-en-7-ynes with Ni(COD)2/dppb (THF/MeOH) or Pd(dba)2/PPh3 (AcOH, then CH2N2) under carbon monoxide furnished chemo- and stereoselectively either bicyclic ketoesters (from ) and (from ) or trans-substituted monocyclic products (from ) and (from ), but all-cis-hexahydroindole (from acetoxycyclohexene .
用Ni(COD)2 / dppb(THF / MeOH)或Pd(dba)2 / PPh处理1-
碘乙酰氧基} -2,7-
辛二烯和1-
碘乙酰氧基} -2-en-7-炔3(
一氧化碳中的AcOH,然后是CH 2 N 2)在
化学和立体选择性上提供了双环
酮酸酯(来自)和(来自)或反式取代的单环产物(来自)和(来自),但全顺式六氢
吲哚(来自乙酰氧基
环己烯。