New Synthesis of 1,4,2-Dioxazoles and Their Pharmacological Properties
作者:Ned D. Heindel、William P. Fives、Richard A. Carrano
DOI:10.1002/jps.2600660606
日期:1977.6
5-methoxycarbonyl-5-methoxycarbonylmethyl-1,4,2-dioxazoles was prepared by addition of hydroxamic acids to acetylene esters. Eleven of these previously unknown compounds were submitted to general pharmacological screening, and several displayed modest CNS depressant activity.
Benzohydroxamic acid addition to propiolate esters—a reinvestigation
作者:Mariana P Duarte、Ana M Lobo、Sundaresan Prabhakar*
DOI:10.1016/s0040-4039(00)01164-3
日期:2000.9
Addition of benzohydroxamic acid to propiolate esters gives 1,4,2-diozaxoles which originate, by base-catalysed ring opening with NaH, the isomeric O-vinyl hydroxamic acids. These compounds on thermolysis afford 1,3-oxazoles.