1,4-diazepine derivative and its pharmaceutical use

摘要

A triazolo-1,4-di-azepine compound of the below given formula and a pharmacologically acceptable salt thereof are disclosed and useful in the pharmaceutical field, especially to allergic diseases, (* CHEMICAL STRUCTURE *) in which R1 and R2 are hydrogen or an alkyl, R3 is hydrogen or a halogen, R4 is hydrogen or an alkyl, X is -OCO-, -NHCO-, -CO- or others and Y is a cycloalkyl, a cycloalkylalkyl, an alkynyl or others.