11-Oxygenated-2,6-methano-3-benzazocines N-alkylated by alkylmethyl, haloalkenylmethyl, alkynylmethyl, cycloalkylmethyl, cycloalkenylmethyl, cycloalkyl or 2-cycloalkenyl are prepared directly by N-alkylation of the corresponding N-H intermediates or indirectly by N-acylation of the corresponding N-H intermediates followed by reduction of the resulting N-acylated intermediates and are useful as antagonists of narcotic analgesics.
11-氧代-2,6-甲基-3-苯并噁啉基N-烷基化化合物可以通过对应的N-H中间体的N-烷基化直接制备,也可以通过对应的N-H中间体的N-酰化后还原所得的N-酰化中间体间接制备,烷基甲基、卤代烯基甲基、炔基甲基、环烷基甲基、环烯基甲基、环烷基或2-环烯基烷基可以用作阿片类
镇痛药的拮抗剂。