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Straightforward and direct synthesis of 2-substituted-5-oxazolecarbaldehydes was achieved by treating propargylamides with mercury(II)perchlorate as catalyst and ammonium cerium(IV)nitrate as oxidant agent through intramolecular cyclization.These structurally interesting outcomes beneft to synthesize2,5-disubstituted-1,3-oxazoles with armyworm growth regulating activities.
Straightforward and direct synthesis of 2-substituted-5-oxazolecarbaldehydes was achieved by treating propargylamides with mercury (II) perchlorate as catalyst and ammonium cerium (IV) nitrate as oxidant agent through intramolecular cyclization. The structurally interesting outcomes beneft to synthesize 2,5-disubstituted -1,3-oxazoles with armyworm growth regulating activities.