Tetrazolylcoumarin derivatives of the general formula:
wherein R is hydrogen atom, an alkyl group, an alkenyl group, an alkoxyalkyl group or phenyl group, n is an integer of 2 to4, and the R-O-(CH2)n-O- group is substituted at any of the 5,6,7, and 8 positions of the coumarin ring, and the salts thereof. The compounds are useful as antiallergic agents for preventing and treating allergic diseases.
通式的
四唑基
香豆素衍
生物:
其中 R 是氢原子、烷基、烯基、烷氧基烷基或苯基,n 是 2 至 4 的整数,R-O-(
CH2)n-O-基团在
香豆素环的 5、6、7 和 8 位上被取代,以及它们的盐类。这些化合物可用作预防和治疗过敏性疾病的抗过敏剂。