A facile preparation of 4-thiazolone derivatives from thioamides and various haloacyl halides in a biphase system.
作者:TADASHI OKAWARA、HIROSHI KASHIHARA、MITSURU FURUKAWA
DOI:10.1248/cpb.33.3479
日期:——
The reaction of thioamides (1) with various haloacyl halides (2, 7, 11, 14, 17, and 19) was carried out in sat. NaHCO3-CH2Cl2 and 5% NaOH-CH2Cl2 to give several kinds of 4-thiazolones (3-5, 10, 12 and 15), thiazin-4-one (18) and spiro compounds (21).
与各种卤
酰卤化物(2、7、11、14、17和19)反应的
硫酰胺(1)在饱和的NaHCO3-
CH2Cl2和5% NaOH- 中进行,得到几种类型的4-
噻唑酮(3-5、10、12和15)、
噻嗪-4-酮(18)和螺旋化合物(21)。