申请人:Ayerst McKenna and Harrison Ltd.
公开号:US04059585A1
公开(公告)日:1977-11-22
Disclosed is a process for preparing (4a,13b-trans)-1,2,4,4a,8,9,13b,14-octahydro-3H-benzo[6,7]cyclohepta[1,2,3 -de]-pyrido[2,1-a]isoquinolin-3-one involving a 1,3-cycloaddition of a 4-halo-1-butene to 1,7,8,12b-tetrahydrobenzo[1,2]cyclohepta-[3,4,5-de]isoquinoline N-oxide.
公开了一种制备(4a,13b-trans)-1,2,4,4a,8,9,13b,14-八氢-3H-苯并[6,7]环庚[1,2,3-de]-吡啶[2,1-a]异喹啉-3-酮的方法,涉及将4-卤代-1-丁烯与1,7,8,12b-四氢苯并[1,2]环庚[3,4,5-de]异喹啉-N-氧化物进行1,3-环加成反应。