作者:Hiroshi Tanaka、Tohru Nakao
DOI:10.1002/jhet.5570340332
日期:1997.5
subsequently cyclized to ethyl 5,6-dihydrothieno[3,2-f]-1,2,4-triazolo[4,3-d][1,4]thiazepine-3-carboxylate (13), 2-(4-chlorophenyl)-5,6-dihydrothieno[3,2-f]-1,2,4-triazolo[4,3-d][1,4]thiazepin-3(2H)-one (16) and 2-(4-chlorophenyl)-6,7-dihydro-2H-thieno[3,2-f][1,2,4]triazino[4,3-d][1,4]thiazepine-3,4-dione (17). New thieno-anellated heterocycles were prepared with the aim of studying their affinity for
用酰基肼处理5-甲硫基-2,3-二氢噻吩并[3,2- f ] -1,4-噻嗪(9),得到5,6-二氢噻吩并[3,2 - f ] -1,2,4-三唑并[4,3- d ] [1,4]硫氮平10、11和9与邻氨基苯甲酸乙酯一起生成5,6-二氢噻吩诺[3',2':6,7] [1,4]噻氮平[5, 4 - b ]喹唑啉-8-一(14)。9与水合肼或4-氯苯肼反应,得到5-肼基化合物12、15,随后将其环化为乙基5,6-二氢噻吩并[3,2 - f ] -1,2,4-三唑并[4,3- d ] [1,4] thiazepine-3-carboxylate(13),2-(4-氯苯基)-5,6-二氢噻吩并[3,2- f ] -1,2,4-三唑并[4,3- d ] [1,4]噻嗪酮-3(2 H)-一(16)和2-(4-氯苯基)-6,7-dihydro-2 H -thieno [3,2- f ] [1,2,4] triazino