化学
乙腈
重氮甲烷
药物化学
还原(数学)
有机化学
几何学
数学
作者
Andrey V. Zibarev,Alexey O. Miller
标识
DOI:10.1016/s0022-1139(00)85001-0
摘要
1-(4-X-Tetrafluorophenyl)-3-trimethylsilyl-1,3-diaza-2- thiaallenes (X = H, CH3, Br, F, CF3) treated with CsF in acetonitrile or THF cyclized to 6-X-4,5,7-trifluoro-2,1,3-benzothiadiazoles whose reduction led to the corresponding 1,2-diamino- benzenes. Cyclization of the latter with SeCl4 gave 6-X-4,5,7- trifluoro-2,1,3-benzoselenadiazoles.
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