Ionic Liquid–Mediated One-Pot Synthesis of 5-(Trifluoromethyl)-4,7-dihydrotetrazolo[1,5-<i>a</i>]pyrimidine Derivatives
作者:Tuan-Jie Li、Chang-Sheng Yao、Chen-Xia Yu、Xiang-Shan Wang、Shu-Jiang Tu
DOI:10.1080/00397911.2011.566460
日期:2012.9.15
Abstract A facile one-pot synthesis of 5-(trifluoromethyl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine derivatives is described via a three-component reaction of aldehydes with 5-aminotetrazole and ethyl 4,4,4-trifluoro-3-oxobutanoate or 4,4,4-trifluoro-1-phenylbutane-1,3-dione in ionic liquid. This method has the advantages of short synthetic route, operational simplicities, good yields, ecofriendliness
摘要 5-(三氟甲基)-4,7-二氢四唑并[1,5-a]嘧啶衍生物通过醛与5-氨基四唑和4,4,4-乙基的三组分反应描述了一种简便的一锅法合成。离子液体中的三氟-3-氧代丁酸酯或 4,4,4-三氟-1-苯基丁烷-1,3-二酮。该方法具有合成路线短、操作简单、收率好、环境友好、溶剂可回收等优点。图形概要