Process for preparing...

Details Process for preparing... Process for preparing...

2005-05-17

2005-05-17

Saeed, Kamal (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

Reexamination Certificate

active

06894184

ABSTRACT:
A process is described for producing 2-cyano-3-hydroxy-N-(phenyl)but-2-enamide, in which a phenyl-substituted 2-cyano-N-(phenyl)acetamide is reacted in the presence of a base, acetic anhydride and at least one solvent, and the resultant 2-cyano-3-hydroxy-N-(phenyl-derivative)but-2-enamide is crystallized by acidification.

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Veb Deutscher, Umsetzung von Carbonsaurechloriden und -anhydriden, Organikum; 12 Auflage; 1973; p. 525.

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