HYPERVALENT IODINE IN SYNTHESIS. 75. A CONVENIENT SYNTHESIS OF OXADIAZOLES BY PALLADIUM-CATALYZED CARBONYLATION AND CYCLIZATION OF DIARYLIODONIUM SALTS AND AMIDOXIMES
作者:Tao Zhou、Zhen-Chu Chen
DOI:10.1081/scc-120002699
日期:2002.1.1
ABSTRACT 3,5-Disubstituted-1,2,4-oxadiazoles were prepared in one-pot procedure in moderate yields via the palladium-catalyzed carbonylation of diaryliodonium salts with amidoximes under one atmosphere of carbon monoxide followed by intramolecular dehydrative cyclization.
摘要 3,5-二取代-1,2,4-恶二唑是在一氧化碳气氛下通过钯催化的二芳基碘鎓盐与酰胺肟的羰基化,然后进行分子内脱水环化,以中等产率的一锅法制备的。