申请人:Miles Laboratories, Inc.
公开号:US04272541A1
公开(公告)日:1981-06-09
Disclosed are 7,8 and 7-8 substituted 4,5.alpha.-epoxymorphinan-6-one compounds characterized by the structural formula: ##STR1## In the foregoing formula R.sub.1 may be H or methyl, R.sub.2 is cyclopropylmethyl, cyclobutylmethyl, allyl or tetrahydrofurfuryl, R.sub.3 is H, .beta.-methyl, .beta.-ethyl or .alpha.-ethyl and R.sub.4 is H or .alpha.-methyl. Particular compounds corresponding to the foregoing description are useful as mixed analgesics/narcotic antagonists whereas others have been found to be pure narcotic antagonists.
所披露的是以结构式为特征的7,8和7-8取代的4,5.alpha.-环氧吗啡-6-酮化合物:##STR1## 在上述式中,R.sub.1可以是H或甲基,R.sub.2是环丙基甲基,环丁基甲基,烯丙基或四氢呋喃甲基,R.sub.3是H,β-甲基,β-乙基或α-乙基,R.sub.4是H或α-甲基。与上述描述相对应的特定化合物可用作混合镇痛剂/麻醉拮抗剂,而其他一些已被发现是纯麻醉拮抗剂。