Novel preparation of N′-arylthiocarbamoyl-N,N-dialkylamidines and their synthetic utilities
作者:Sei-Hyun Choi、Kyongtae Kim
DOI:10.1016/0040-4020(96)00402-4
日期:1996.6
Treatment of 5-(arylimino)-4-(dialkylamino)-5H-1,2,3-dithiazoles (2) with NaOH in aqueous EtOH at room temperature gave N′-arylthiocarbamoyl-N,N-dialkylamidines (3) in good to excellent yields. The reaction of 3 with sulfur monochloride, thiophosgene, thionyl chloride, sulfuryl chloride, N-phenylimidoyl dichloride, and phthaloyl chloride in CH2Cl2 gave 2, 5-(arylimino)-4-(dialkylamino)-Δ3-thiazoline-2-thiones
在室温下用NaOH在EtOH水溶液中处理5-(芳基氨基)-4-(二烷基氨基)-5 H -1,2,3-二噻唑(2),得到N'-芳基硫代氨基甲酰基-N,N-二烷基am (3)。好到极好的产量。的反应3与一氯化硫,硫光气,亚硫酰氯,硫酰氯,Ñ -phenylimidoyl二氯化物,和在CH邻苯二甲酰氯2氯2得到2,5-(芳基亚氨基)-4-(二烷基氨基) - Δ 3噻唑啉-2- -硫酮(5),5-(芳基)-4-(二烷基氨基)-5 H-2-氧代-1,2,3-二噻唑(6),5-(芳基)-4-(二烷基氨基)-5 H -2,2-二氧代-1,2,3-二噻唑(7),5- (芳基亚氨基)-4-(二烷基氨基)-2-(苯基亚氨基) - Δ 3 -thiazolines(8),和3-(芳基亚氨基)-4-(二烷基氨基)-2,5- benzothiazocine -1,6-二酮(10)分别作为主要产品。