2-Chloro-4,5-dihydroimidazole. Part VII. Reactions with carbon disulfide and potassium O-alkyl dithiocarbonates. Synthesis and transformations of 2,3,7,8-tetrahydro-5H-diimidazo[2,1-b : 1′,2′-e][1,3,5]thiadiazine-5-thione
作者:Franciszek Sączewski、Maria Gdaniec
DOI:10.1039/p19920000047
日期:——
2-Chloro-4,5-dihydroimidazole 1 reacted with carbon disulfide to give 2,3,7,8-tetrahydro-5H-diimidazo[2,1-b : 1′,2′-e][1,3,5]thiadiazine-5-thione 5. Acid hydrolysis of 5 gave imidazolidine-2-thione 6, which reacted with amines, dialkylhydrazines, and alkoxides to give thioureas 9, thiosemicarbazides 10 and thiocarbamates 11, respectively. Reaction of the hemisulfate of 1 with excess of potassium O-alkyl
2-氯-4,5-二氢咪唑1与二硫化碳反应生成2,3,7,8-四氢-5 H-二咪唑[2,1- b:1',2'- e ] [1,3, 5]噻二嗪-5-硫酮5。5的酸水解得到咪唑烷-2-硫酮6,其与胺,二烷基肼和醇盐反应,分别得到硫脲9,硫代氨基脲10和硫代氨基甲酸酯11。1的半硫酸盐与过量的O-烷基二硫代碳酸钾反应,得到硫代二碳酸13二酯。