A series of 17-succinyl derivatives of four corticosteroids was prepared. They were tested for vasoconstrictive activity in humans, using 9α-fluoro-11β, 21-dihydroxy-16β-methyl-17α-valeryloxy-1, 4-pregnediene-3, 20-dione (betamethasone 17-valerate, BV) as a standard. The activities of the 21-chloro 17-methylsuccinate compounds (6A, 6C and 6D) were greater than that of BV. A structure-activity relationship study showed that the activities of the 21-chloro 17-methylsuccinates were more potent than those of the corresponding 21-esters.
合成了一系列17-琥珀酰基衍
生物的四种皮质类
固醇。它们在人体中进行了血管收缩活性测试,使用9α-
氟-11β, 21-二羟基-16β-甲基-17α-戊酰氧基-1, 4-孕烯-3, 20-二酮(
氟氯噻吨17-
戊酸酯,BV)作为标准。21-
氯17-
甲基琥珀酸酯化合物(6A、6C和6D)的活性大于BV。结构-活性关系研究表明,21-
氯17-
甲基琥珀酸酯的活性比相应的21-
酯类更强。