A Facile Route for the Synthesis of 1-[5-Hydroxy-3-methyl-1-(2-thiazolyl)-4-pyrazolyl]-1,3-butanediones from Dehydroacetic Acid
作者:S. P. Singh、L. S. Tarar、Devinder Kumar
DOI:10.1080/00397919308011286
日期:1993.7
Abstract Thiosemicarbazone (1) of dehydroacetic acid (DHAA) reacts smoothly with α-haloketones to yield corresponding thiazolylhydrazones (2) of DHAA, which on refluxing in EtOH-AcOH rearrange to the title compounds (3).
摘要 脱氢乙酸 (DHAA) 的硫缩氨基脲 (1) 与 α-卤代酮顺利反应生成相应的 DHAA 噻唑基腙 (2),在 EtOH-AcOH 中回流后重排为标题化合物 (3)。