Syntheses of 1,2,4-oxadiazole substituted pyrazole, isoxazole and pyrimidine heterocycles
作者:Richard Neidlein、Sheng Li
DOI:10.1002/jhet.5570330663
日期:1996.11
Syntheses of two series of heterocyclic compounds having 1,2,4-oxadiazole-, together with pyrazole-, isoxazole- or pyrimidine-rings which have similar structures are reported. The mechanisms of the reactions are discussed.