Process for preparing 1,5-diaryl-3-substituted pyrazoles

Details Process for preparing 1,5-diaryl-3-substituted pyrazoles Process for preparing 1,5-diaryl-3-substituted pyrazoles

2005-10-11

2005-10-11

Saeed, Kamal A. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06953860

ABSTRACT:
A process for making a compound of formula I wherein the substituents are as described in the specification comprising reacting a ketone of formula II with succinic anhydride and an alkoxide base to form a compound of formula IIIwhich is reacted with a compound of formula IV to form a compound of Vand reacting with an alcohol to form the corresponding ester of formula VIand reacting the ester with N-methylhydroxylamine.

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