作者:Fumiyo Kasuya、Kazuo Igarashi、Miyoshi Fukui
DOI:10.1002/jps.2600760408
日期:1987.4
The metabolism of benoxinate hydrochloride [2-(diethylamino)ethyl 4-amino-3-butoxybenzoate monohydrochloride; oxybuprocaine] was examined in humans after administration of a single oral dose. The drug was almost completely absorbed and was rapidly excreted in the urine (92.1% of dose in 9 h). Nine metabolites and unchanged drug were isolated from the urine and identified by comparison of TLC, GC, and
苯甲酸酯盐酸盐[4-氨基-3-丁氧基苯甲酸2-(二乙氨基)乙基乙酯的盐酸盐;在单次口服给药后,在人体内检查了[oxybuprocaine]。该药物几乎被完全吸收,并迅速在尿液中排泄(在9小时内占剂量的92.1%)。从尿液中分离出九种代谢物和未改变的药物,并通过将TLC,GC和GC-MS与真实化合物进行比较进行鉴定。无法检测到任何反映出苯甲酸酯的丁基侧链最初丢失的代谢物。这表明酯部分比O-丁基侧链代谢更快。苯甲酸酯的水解产物3-丁氧基-4-氨基苯甲酸主要作为葡萄糖醛酸排泄(占剂量的70-90%),与微量的甘氨酸缀合物(占剂量的0.35%)一起排泄。此外,