Imide intermediates for the preparation of analgesic and/or antagonist
申请人:E. I. Du Pont de Nemours and Company
公开号:US04751306A1
公开(公告)日:1988-06-14
Imide intermediates for the preparation of analgesic and/or antagonist octahydrobenzofuro[3,2-e]-isoquinolines and octahydro-4a,7-ethano- and ethenobenzofuro[3,2-e]isoquinolines and processes for their preparation are provided. These imides have a formula selected from the group consisting of: ##STR1##