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3:51
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Erland Stevens
synthesis of pyrazoles
The pyrazole ring system consists of a five-membered ring with two connecting nitrogens and three carbons. Pyrazoles are aromatic structures. Pyrazoles are normally prepared by reacting a hydrazine with a 1,3-dicarbonyl compound. Remember that 1,3-dicarbonyl compounds can be made through enamine chemistry. The reaction first involves forming an ...
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