Pyrazole
Pyrazole is a class of organic compounds with the molecular formula C3H3N2H. It is a heterocyclic compound characterized by a 5-membered ring of three carbon atoms and two nitrogen atoms.
Chemistry[edit | edit source]
Pyrazole forms the core of various important bioactive compounds including celecoxib (a COX-2 inhibitor) and rimonabant (an antiobesity agent). It is also found in various dyes and pigments.
Synthesis[edit | edit source]
Pyrazoles are synthesized through the reaction of α,β-unsaturated carbonyl compounds with hydrazine. This method, known as the Knorr pyrazole synthesis, is a classic method for the synthesis of pyrazoles.
Applications[edit | edit source]
Pyrazole derivatives have been found to possess a wide range of biological activities, including anti-inflammatory, analgesic, antipyretic, anticancer, antiviral, antibacterial, and antifungal properties. They are also used in the manufacture of dyes, resins, and pharmaceuticals.
See also[edit | edit source]
References[edit | edit source]
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