N-Alkoxycarbonyl-N'-(2-thiazolyl) thioureas were reacted with some oxidants, such as bromine, benzoyl peroxide, hypobromous acid and N-bromosuccinimide, to afford 2-alkoxycarbonylimino-thiazolo [3, 2-b] thiadiazolines (X). Furthermore, from the reaction mixtures of N-ethoxycarbonyl-N'-(2-thiazolyl) thiourea (12) with bromine in chloroform, N-ethoxycarbonylimino-thiazolo [3, 2-b] thiadiazoline hydrobromide monohydrate (14) was obtained, which was easily dehydrobrominated to form 2-ethoxycarbonylimino-thiazolo-[3, 2-b] thiadiazoline (13) by treatment with large quantities of water. This paper describes particularly in detail about the structures of 13 and 14.
N-烷氧羰基-N'-(2-
噻唑基)
硫脲与一些氧化剂反应,如
溴、苯甲酰过氧化物、亚
溴酸和N-
溴苏
氨酸,生成2-烷氧羰基亚
氨基-
噻唑并[3, 2-b]
噻二唑啉(X)。此外,从N-乙氧羰基-N'-(2-
噻唑基)
硫脲(12)与
溴在
氯仿中的反应混合物中,得到了N-乙氧羰基亚
氨基-
噻唑并[3, 2-b]
噻二唑啉
溴化氢一
水合物(14),该化合物在大量
水处理下可以轻易去
溴形成2-乙氧羰基亚
氨基-
噻唑并[3, 2-b]
噻二唑啉(13)。本文特别详细地描述了13和14的结构。