Process for the preparation of...

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C - Chemistry, Metallurgy

07

C

260/549.4

C07C 241/04 (2006.01) C07C 243/28 (2006.01)

Patent

CA 2014358

A process for the preparation of 2,2-bis(hydroxymethyl)-propionic acid phenylhydrazide Abstract of the Disclosure A process for the preparation of 2,2-bis(hydroxymethyl)propionic acid phenylhydrazide by reaction of a 2,2-bis(hydroxymethyl)propionic acid alkyl ester with phenylhydrazine, characterized in that said alkyl ester is 2,2-bis(hydroxymethyl)propionic acid (C4-C8- alkyl) ester which is prepared by the reaction of 2,2-bis(hydroxyrnethyl)propionic acid with C4-C8-alkanol in the presence of a catalyst and an aromatic solvent, said aromatic solvent and the unreacted C4-C8-alkanol being recovered by distillation.

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