Sulfur-directed 5-Exo selective aryl radical cyclization onto enamide: A simple route to chilenine
作者:Hiroyuki Ishibashi、Hirotaka Kawanami、Hiroko Iriyama、Masazumi Ikeda
DOI:10.1016/00404-0399(50)1364-n
日期:1995.9
Bu3SnH-mediated aryl radical cyclization of the N-(o-bromoaroyl)enamine 5 took place in a 5-exo-trig manner exclusively to give isoindolone 7, which was transformed into the key intermediate 11 for the synthesis of isoindolobenzazepine alkaloid chilenine (2).
卜3 SNH -介导的芳基的自由基环化ñ - (ö -bromoaroyl)烯胺5发生在5-外型- trig的方式排他地,得到异吲哚酮7,将其转化为关键中间体11的合成isoindolobenzazepine生物碱chilenine (2)。