http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
1차 아민으로부터 N-치환된 2-Aminothiazole 유도체의 합성
이승달,이붕원 陸軍士官學校 1999 한국군사학논집 Vol.55 No.-
The most widely employed synthetic approach for the preparation of thiazoles is well-known as the condensation of an α-halocarbonyl compound with a reactant bearing the N-C-S fragment of thioureas, so called [3+2]mode. N-substituted thioureas were prepared by the reaction of primary amine with ammonium thiocyanate in the presence of acid and subsequently N-substitued 2-amino thiazoles were nicely synthesized by the reaction of chloroacetone with N-substituted thiourea in neutral condition. Benzidine-type rearrangement of 1-phenyl-2-[2'(4'-methylthiazole)]diazane(2c)was investigated.