Scheme 2From: 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 isoxazoline, pyrrolo[3,4-d]isoxazole 5 and (8a–c)Back to article page