R. Sreekumar et R. Padmakumar, SIMPLE, EFFICIENT AND CONVENIENT SYNTHESIS OF PYRROLES AND PYRAZOLES USING ZEOLITES, Synthetic communications, 28(9), 1998, pp. 1661-1665
A convenient heterogeneous catalytic methodology for the synthesis of
Pyrroles and Pyrazoles by an intermolecular reaction of gamma or beta-
diketones with primary amines or hydrazine derivatives over zeolites a
re described.