申请人:The Upjohn Company
公开号:US03988361A1
公开(公告)日:1976-10-26
This invention is a group of compounds of the formula: ##SPC1## Wherein R.sub.1 is hydrogen, alkyl of one to 8 carbon atoms, inclusive, cycloalkyl of 3 to 10 carbon atoms, inclusive, aralkyl of 7 to 12 carbon atoms, inclusive, phenyl, phenyl substituted with one to 3 chloro, or alkyl of one to 4 carbon atoms, inclusive, or ethyl substituted in the .beta.-position with 3 chloro, 2 or 3 bromo, or 1, 2, or 3 iodo; wherein R.sub.2 is hydrogen or alkyl of one to 10 carbon atoms, inclusive, substituted with zero to 3 fluoro; wherein R.sub.3 and R.sub.4 are hydrogen or alkyl of one to 4 carbon atoms, inclusive; wherein A is alkylene of one to 10 carbon atoms, inclusive, substituted with zero to 2 fluoro, and with one to 5 carbon atoms, inclusive, between --COOR.sub.1 and ##EQU1## and pharmacologically acceptable salts thereof when R.sub.1 is hydrogen. These compounds are useful for a variety of pharmacological purposes, including lowering of blood pressure, control of the mammalian reproductive cycle, and increase of nasal patency.
这项发明涉及一组化合物,其化学式为:##SPC1## 其中R.sub.1为氢、含有1-8个碳原子的烷基、含有3-10个碳原子的环烷基、含有7-12个碳原子的芳基烷基、苯基、一到三个氯代取代的苯基或含有1-4个碳原子的烷基,或以3-氯、2或3-溴或1、2或3-碘代取代的β-乙基;其中R.sub.2为氢或含有0-3个氟代取代的含有1-10个碳原子的烷基;其中R.sub.3和R.sub.4为氢或含有1-4个碳原子的烷基;其中A为含有1-10个碳原子的烷基,含有0-2个氟代取代,并在--COOR.sub.1和##EQU1##之间含有1-5个碳原子,其药理学上可接受的盐为R.sub.1为氢时。这些化合物可用于多种药理学目的,包括降低血压、控制哺乳动物的生殖周期和增加鼻腔通畅度。