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Methyl-pyrazoles, side-chain acidity

The carboxylic acid group of the a,jS-unsaturated side chain and amide nitrogen atom of pyrazol-3-one 28 were methylated with an ethereal solution of diazomethane to give the pyrazol-3-one ester 29 (80JA4983) (Scheme 7). [Pg.33]

See other pages where Methyl-pyrazoles, side-chain acidity is mentioned: [Pg.425]    [Pg.231]    [Pg.162]    [Pg.425]    [Pg.338]    [Pg.50]    [Pg.77]    [Pg.76]    [Pg.20]    [Pg.108]   
See also in sourсe #XX -- [ Pg.492 ]



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