Synthesis and reaction of furazanobenzothiadiazole and related compounds.
作者:TOSHIO UNO、KANAME TAKAGI、MUNEMITSU TOMOEDA
DOI:10.1248/cpb.26.3896
日期:——
Furazanobenzothiadiazole and related compounds were prepared by a new synthetic route starting from 4, 7-dibromo-5-nitrobenzo-2, 1, 3-thiadiazole, which was obtained in good yield by nitration of 4, 7-dibromobenzo-2, 1, 3-thiadiazole easily acessible. Some chemical reactions of this tricyclic ring system-ring opening reaction, photo-cleavage reaction, bromination and reduction-were discussed.
通过一种新的合成路线,从 4,7-二溴-5-硝基苯并-2,1,3-噻二唑开始,制备了呋喃并苯并噻二唑和相关化合物。4,7-二溴苯并-2,1,3-噻二唑很容易通过硝化得到,收率很高。讨论了该三环系统的一些化学反应--开环反应、光裂解反应、溴化反应和还原反应。