Scheme 1From: Regioselectivity of 1,3-dipolar cycloadditions and antimicrobial activity of isoxazoline, pyrrolo[3,4-d]isoxazole-4,6-diones, pyrazolo[3,4-d]pyridazines and pyrazolo[1,5-a]pyrimidinesSynthesis of 2-chloro-2-(hydroximino)-1-(2,4-dimethylthiazol-5-yl)ethanone (3)Back to article page