Metal‐Free Synthesis of Imidazo[2,1‐
<i>b</i>
]thiazoles from Thioimidazoles and Ketones Mediated by Selectfluor
作者:Jinwu Zhao、Qiannan Xiao、Jiaxi Chen、Jingxiu Xu
DOI:10.1002/ejoc.202000815
日期:2020.8.31
Promoted by Selectfluor, imidazo[2,1‐b]thiazoles could be prepared from thioimidazoles and ketones. This metal‐free protocol was applicable to various ketones, including strong electron‐withdrawing substituted aryl ketones and alkyl ketones. Moreover, this procedure featured simple operation and easy work‐up.
在Selectfluor的促进下,可以从硫代咪唑和酮制备咪唑并[2,1- b ]噻唑。该无金属方案适用于各种酮,包括强吸电子取代的芳基酮和烷基酮。此外,该程序具有操作简单,易于维护的特点。