Expedient Synthesis of 1,4‐Benzodiazepines via a Tandem Condensation/[1,5]‐Hydride Transfer/Cyclization Process
作者:Siyuan Liu、Tuan Zhao、Jingping Qu、Baomin Wang
DOI:10.1002/adsc.201800781
日期:2018.11.5
An expedient approach to 1,4‐benzodiazepines via a tandem condensation/[1,5]‐hydride shift/cyclization process has been developed. This transformation started from readily available o‐amino benzaldehyde and aminomalonate and was promoted by low‐cost FeCl3 with high step and atom economy.
已经开发了一种通过串联缩合/ [1,5]-氢化物转移/环化过程制取1,4-苯并二氮杂exp的简便方法。这种转变从容易获得的邻氨基苯甲醛和氨基丙二酸酯开始,并由低成本的FeCl 3促进,具有较高的步长和原子经济性。