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Imidazoles, pyrazoles and benzimidazoles

Five-membered systems with two heteroatoms 3.3.1. Imidazoles, pyrazoles and benzimidazoles [Pg.48]

The classical condensation of substituted phenylene diamines and carboxylic acids19 21 (or aldehydes under oxidising conditions21) to provide benzimidazoles, [Pg.49]

86-96% yield after cleavage 65-91% purity after cleavage [Pg.50]

See other pages where Imidazoles, pyrazoles and benzimidazoles is mentioned: [Pg.420]   


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Imidazoles benzimidazolate

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