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ISSN 2063-5346
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VILSMEIER-HAACK SYNTHESIS OF NEW STEROIDAL PYRAZOLES

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Ayaz Mahmood Dar and Shamsuzzaman

Abstract

A novel expeditious and convenient synthesis of hitherto unknown 5α-cholestano [6,7-c]-5'-methyl-1'-carbothioic acid amide pyrazoles based on the reaction of 5α-cholestan-6-one thiosemicarbazones with modified Vilsmeier-Haack reagent (H3C-CO-NH2/POCl3) is described.

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