Domino Alkylation-Cyclization Reaction of Propargyl Bromides with Thioureas/Thiopyrimidinones: A New Facile Synthesis of 2-Aminothiazoles and 5H-Thiazolo[3,2-a]pyrimidin-5-ones
作者:Maurizio Botta、Daniele Castagnolo、Mafalda Pagano、Martina Bernardini
DOI:10.1055/s-0029-1217700
日期:2009.8
A new synthesis of 2-aminothiazoles and 5H-thiazolo[3,2-a]pyrimidin-5-ones was developed as a domino alkylation-cyclization reaction of propargyl bromides with thioureas and thio¬pyrimidinones, respectively. Domino reactions were performed under microwave irradiation leading to desired compounds in a few minutes and high yields
2-氨基噻唑和5H-噻唑并[3,2-a]嘧啶-5-酮的新合成被开发为炔丙基溴分别与硫脲和硫代嘧啶酮的多米诺烷基化-环化反应。在微波辐射下进行多米诺骨牌反应,在几分钟内产生所需的化合物,产率高