Reaction of 5-acetyl-10,11-didehydro-5<i>H</i>-dibenz[<i>b, f</i>]azepine with pyrrole,<i>N</i>-methylpyrrole, imidazole and<i>N</i>-methylimidazole: Cycloaddition versus michael addition
作者:Robert A. Bennett、Michael C. Cann
DOI:10.1002/jhet.5570310206
日期:1994.3
Michael addition adduct 10-(2-N-methylpyrrolyl)-5H-dibenz[b, f]azepine (9) and the Diels-Alder/retro Diels Alder adduct 8H-(N-methylpyrrolo[3,4-d]dibenz[b, f]azepine (8a). Reaction of 2 with pyrrole gives a mixture of two Michael addition adducts 10-(1-pyrrolyl)-5H-dibenz[b, f]azepine (16) and 10-(2-pyrrolyl)-5H-dibenz[b, f]azepine (18). Reaction of 2 with imidazole results in the Michael addition adduct
5-乙酰基-10-溴-5 H-二苯并[ b,f ] a庚因1与叔丁醇钾的反应生成反应性中间体5-乙酰基-10,11-二氢化5- H-二苯并[ b,f ]阿西平(2)。中间体2与N-甲基吡咯反应,生成迈克尔加成产物10-(2- N-甲基吡咯基)-5 H-二苯并[ b,f ]氮杂(9)和Diels-Alder /复古Diels Alder加合物的混合物8 H-(N-甲基吡咯并[ 3,4- d ]二苯并[ b,f] zezepine(8a)。2与吡咯的反应得到两种迈克尔加成加合物的混合物10-(1-吡咯基)-5 H-二苯并[ b,f ]氮杂(16)和10-(2-吡咯基)-5 H-二苯并[ b, f ]氮杂pine(18)。2与咪唑的反应产生迈克尔加成加成物10-(1-咪唑基)-5 H-二苯并[ b,f ]氮杂pine (21)。