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In addition to this, Grignard reagents prepared from alkyl and acyl halo-genides can be converted by reaction with dimethylformamide and 2,4-dinitrophenylhydrazine to 2,4-dinitrophenylhydrazones of aldehydes (see p. 218) (4). [Pg.139]

See other pages where Dinitrophenylhydrazones of aldehydes is mentioned: [Pg.94]