申请人:The Upjohn Company
公开号:US04181724A1
公开(公告)日:1980-01-01
Compounds of the formula below are useful for expanding the lumina or air passages in a mammal in need of said treatment. The compounds are also useful for treating atopic eczema and urticaria. ##STR1## wherein X and Y are the same or different and are hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl, alkyl of one to four carbon atoms, inclusive, alkoxy of one to four carbon atoms, inclusive, and cyano; R.sub.1 is hydrogen, methyl or ethyl; R.sub.2 is hydrogen, alkyl of one to six carbon atoms, inclusive, phenyl, benzyl, CH.sub.2 Z wherein Z is fluoro, chloro, or bromo, CO.sub.2 M, CH.sub.2 CO.sub.2 M, CH.sub.2 CH.sub.2 CO.sub.2 M and CHR.sub.3 CO.sub.2 M wherein M is hydrogen, alkyl of one to four carbon atoms, inclusive, or a physiologically acceptable metal or amine cation and R.sub.3 is alkyl of one to three carbon atoms, inclusive, with the proviso that M is not hydrogen when R.sub.2 is CH.sub.2 CO.sub.2 M or a CHR.sub.3 CO.sub.2 M.
以下公式的化合物对于需要扩张哺乳动物的腔道或空气通道的治疗非常有用。这些化合物也对于治疗特应性湿疹和荨麻疹非常有用。其中X和Y相同或不同,可以是氢,氟,氯,溴,硝基,三氟甲基,碳数为1到4的包括的烷基,包括的1到4个碳原子的烷氧基,和氰基;R1是氢,甲基或乙基;R2是氢,包括1到6个碳原子的烷基,苯基,苄基,CH2 Z,其中Z是氟,氯或溴,CO2M,CH2CO2M,CH2CH2CO2M和CHR3CO2M,其中M是氢,包括1到4个碳原子的烷基或生理上可接受的金属或胺阳离子,R3是包括1到3个碳原子的烷基,但是当R2为CH2CO2M或CHR3CO2M时,M不是氢。