申请人:Miles Laboratories, Inc.
公开号:US04415592A1
公开(公告)日:1983-11-15
Analogues of PGE.sub.1 having the structural formula, ##STR1## in which J is R-hydroxymethylene or S-hydroxymethylene; R.sub.1 is hydrogen; R.sub.2 is hydrogen or together with R.sub.4 is a methylene chain of 2 to 3 carbon atoms such that a cycloalkyl of 5 to 6 carbon atoms inclusive is formed; R.sub.3 is hydrogen or methyl, or together with R.sub.4 is a methylene or a lower alkylated methylene chain of 2 to 5 carbon atoms such that a cycloalkyl or a lower alkylated cycloalkyl of 4 to 7 carbon atoms inclusive is formed, or together with R.sub.4 is bicycloalkyl or bicycloalkenyl moiety having the formula: ##STR2## such that a bicycloalkyl or bicycloalkenyl compound is formed, wherein m and n are integers having a value from 0 to 3, p is an integer having a value from 0 to 4 and q is an integer having a value of from 1 to 4 and wherein the double bond of such bicycloalkenyl is in the m, n, p, or q bridge; R.sub.4 is hydrogen or methyl or together with R.sub.2 or R.sub.3 forms a cycloalkyl or bicycloalkyl or bicycloalkenyl as defined above, or together with R.sub.5 is a methylene chain of 3 to 5 carbon atoms such that a cycloalkyl of 4 to 6 carbon atoms inclusive is formed; R.sub.5 is selected from the group consisting of hydrogen, straight-chain alkyl having from 1 to 3 carbon atoms or together with R.sub.4 forms a cycloalkyl as defined above; and R.sub.6 is hydrogen or straight-chain alkyl having from 1 to 3 carbon atoms are disclosed. PGE.sub.1 ester analogues of the above formula, limited to the structures wherein two of R.sub.2, R.sub.3, R.sub.4 and R.sub.5 form a cycloalkyl, lower alkylated cycloalkyl, bicycloalkyl or bicycloalkenyl are also disclosed. The prostaglandin analogues selectively produce bronchodilation and decrease gastric secretion in vivo. Methods of preparing the analogues and starting materials required in the synthesis of the analogues are also disclosed.
具有结构式##STR1##的PGE.sub.1类似物,其中J为R-羟甲基或S-羟甲基;R.sub.1为氢;R.sub.2为氢或与R.sub.4一起形成2至3个碳原子的亚甲基链,形成5至6个碳原子的环烷基;R.sub.3为氢或甲基,或与R.sub.4一起形成2至5个碳原子的亚甲基或较低烷基化亚甲基链,形成4至7个碳原子的环烷基或较低烷基化环烷基,或与R.sub.4一起形成有公式的双环烷基或双环烯基基团:##STR2##形成双环烷基或双环烯基化合物,其中m和n是整数,值为0至3,p是整数,值为0至4,q是整数,值为1至4,其中此类双环烯基的双键在m、n、p或q桥上;R.sub.4为氢或甲基,或与R.sub.2或R.sub.3一起形成上述定义的环烷基、双环烷基或双环烯基,或与R.sub.5一起形成3至5个碳原子的亚甲基链,形成4至6个碳原子的环烷基;R.sub.5选自由由1至3个碳原子的直链烷基或与R.sub.4形成上述定义的环烷基的群;R.sub.6为氢或由1至3个碳原子的直链烷基。还公开了上述结构中仅限于R.sub.2、R.sub.3、R.sub.4和R.sub.5中的两个形成环烷基、较低烷基化环烷基、双环烷基或双环烯基的PGE.sub.1酯类似物。这些前列腺素类似物在体内具有选择性地产生支气管扩张和减少胃分泌的作用。还公开了制备这些类似物和合成这些类似物所需的起始材料的方法。