Process for the preparation of...

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C - Chemistry, Metallurgy

07

C

260/389.1

C07C 231/06 (2006.01) C07C 237/06 (2006.01) C07C 237/20 (2006.01)

Patent

CA 1307281

(8) AE 3691 A B S T R A C T The invention relates to a process for the preparation of .alpha.-amino-.alpha.-methylcarboxylic acid amides and .alpha.-amino-.alpha.-cycloalkyl- carboxylic acid amides of the formula: Image where R1 represents alkyl, alkaryl, aryl, alkenyl, heteroalkyl or heteroaryl, whether or not substituted, R2 is methyl, or forms, together with R1, a cycloalkyl group, by conversion of the corresponding amino nitriles using hydrogen peroxide under basic con- ditions and is characterized in that the conversion takes place in the presence of ammonia. By preference 2-6 moles hydrogen peroxide and 3-12 moles ammonia are used per mole amino nitrile.

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