Abstract
Abstract 1,3-Dipolar cycloaddition of various nitrile oxides to substituted N-vinylpyrroles proceed with high efficiency and selectivity with the formation of single isomer of 5-pyrrolyl-substituted isoxazoline. The reaction of N-vinylpyrroles with cyclic azomethine imines occurs regioselectively affording 7-(pyrrol-1-yl)- substituted pyrazolo[1,2-a]pyrazolones as a mixture of two diastereomers.
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