Disclosed are 7,7-dimethyl-4,5.alpha.-epoxy-morphinan-6-one compounds characterized by the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is H, CH.sub.3 or CH.sub.2 CH.sub.3 and R.sub.2 is cyclopropylmethyl or cyclobutylmethyl. Particular compounds circumscribed by the foregoing formula are useful as analgesics, narcotic antagonists or mixed analgesics/narcotic antagonists.
揭示了一种以以下式特征的7,7-二
甲基-4,5-α-环
氧吗啡-6-
酮化合物:##
STR1##其中R为H或CH.sub.3,R.sub.1为H,CH.sub.3或CH.sub.2 CH.sub.3,R.sub.2为
环丙基甲基或
环丁基甲基。前述式限定的特定化合物可用作
镇痛药、麻醉
拮抗剂或混合
镇痛药/麻醉
拮抗剂。