Synthesis and Antiallergy Activity of (1,3,4)Thiadiazolo(3,2-a)-1,2,3-triazolo(4,5-d)pyrimidin-9(3H)-one Derivatives. II. 6-Alkyl- and 6-Cycloalkylalkyl Derivatives.
作者:Shuichi YOKOHAMA、Tamotsu MIWA、Shunzo AIBARA、Hiroyuki FUJIWARA、Hiroo MATSUMOTO、Kiyoshi NAKAYAMA、Teiji IWAMOTO、Mikiko MORI、Reimei MOROI、Wataru TSUKADA、Sumiro ISODA
DOI:10.1248/cpb.40.2391
日期:——
A series of 6-alkyl- or 6-(cycloalkylalkyl)-[1,3,4]thiadiazolo[3,2- a]-1,2,3-triazolo[4,5-d]pyrimidin-9(3H)-ones 1b--o was synthesized from the corresponding 1,3,4-thiadiazol-5-amines 3b--o and the antiallergic activities of the products were evaluated. Among the compounds 6-(2-cyclohexylethyl)- [1,3,4]thiadiazolo[3,2-a]-1,2,3-triazolo[4,5-d]pyrimidin-9(3H)-one 1h, whose X-ray crystallographic stereostructure
一系列的6-烷基或6-(环烷基烷基)-[1,3,4]噻二唑[3,2-a] -1,2,3-三唑[4,5-d]嘧啶-9(3H) -由相应的1,3,4-噻二唑-5-胺3b-o合成1b-o,并评估产物的抗过敏活性。在化合物6-(2-环己基乙基)-[1,3,4]噻二唑[3,2-a] -1,2,3-三唑并[4,5-d]嘧啶-9(3H)-1h中发现其X射线晶体学立体结构是一种有前途的新型抗过敏药,具有低毒性和双重活性,可作为白三烯D4受体拮抗剂和口服活性肥大细胞稳定剂。