A Simple Synthesis of 4,5-Dihydro-5<i>H</i>-1,3,4-benzoxadiazepin-5-ones
作者:Kee-Jung Lee、Seong Heon Kim、Sanghee Kim、Yang Rai Cho
DOI:10.1055/s-1992-26264
日期:——
A simple method for the synthesis of 4,5-dihydro-5H-1,3, 4-benzoxa-diazepin-5-ones 4 based on the reaction of salicyclic hydrazide (1) with one carbon insertion units, such as carboxylic acid anhydrides, acid chlorides, and ortho esters is reported.