作者:Lidia S. Konstantinova、Vadim V. Popov、Natalia V. Obruchnikova、Konstantin A. Lyssenko、Ivan V. Ananyev、Oleg A. Rakitin
DOI:10.3998/ark.5550190.0012.b07
日期:——
primary aliphatic amines and benzylamine afforded N-substituted [1,3,2]dithiazolo[4,5-b][1,2,5]oxadiazolo[3,4-e]pyrazines in moderate yields. Novel pentacyclic [1,2,5]oxadiazolo[3'',4'':5',6']pyrazino[2',3':5,6][1,2,4]thiadiazino[3,4-b][1,3]benzothiazole, whose structure was confirmed by X-ray diffraction, was obtained by the reaction of this disulfenyl dichloride with 2-aminobenzothiazole.
反应温度对 5,6-双(叔丁硫基)[1,2,5]恶二唑并[3,4-b]吡嗪的氯化结果有很大影响,后者很容易由 5,6-二氯[1,2, 5]恶二唑并[3,4-b]吡嗪和叔丁基硫化钠。选择性地以高收率获得了单和双(亚磺酰氯),并通过与吗啉的反应确认了它们的结构。[1,2,5]oxadiazolo[3,4-b]pyrazine-5,6-disulfenyl dichloride 用脂肪伯胺和苄胺处理得到 N-取代的 [1,3,2]dithiazolo[4,5-b] [1,2,5]恶二唑并[3,4-e]吡嗪,产率适中。新型五环[1,2,5]恶二唑并[3'',4'':5',6']吡嗪并[2',3':5,6][1,2,4]噻二嗪并[3,4- b][1,3]苯并噻唑,其结构经X射线衍射证实,