Reaction of sodium arylsulfinate with 2-aryl-5-chloro-1,3,4-thiadiazole gave 2-aryl-5-arylsulfonyl-1,3,4-thiadiazole (3) in good yield. Starting from readily available 2-amino-5-benzylmercapto-1,3,4-thiadiazole compound 7 was obtained in three steps in moderate yield. Reaction of compound 7 with sodium arylsulfinate afforded 2,5-diarylsulfonyl-1,3,4-thiadiazole (11). Oxidation of compound 10 with hydrogen
芳基亚
磺酸钠与2-芳基-5-
氯-1,3,4-
噻二唑的反应以良好的收率得到2-芳基-5-芳基磺酰基-1,3,4-
噻二唑(3)。从容易开始的2-
氨基-5- benzylmercapto -1,3,4-
噻二唑化合物7在适中的产率三个步骤而获得。化合物7与芳基亚
磺酸钠反应,得到2,5-二芳基磺酰基-1,3,4-
噻二唑(11)。用
过氧化氢在
乙酸中氧化化合物10,以高收率得到2-芳基磺酰基-5-苄基磺酰基I-1,3,4-
噻二唑(12)。