Process for catalytic hydrolysis of an .alpha.- aminonitrile...

Details Process for catalytic hydrolysis of an .alpha.- aminonitrile... Process for catalytic hydrolysis of an .alpha.- aminonitrile...

C - Chemistry, Metallurgy

08

F

252/37, 260/526.

C08F 8/30 (2006.01) C08F 8/12 (2006.01)

Patent

CA 1186331

ABSTRACT This invention relates to a process for the catalytic hydrolysis of an .alpha.-aminonitrile in the heterogeneous phase, and to polymeric resins having a catalytic activity for carrying out the present process. The process according to this invention is character- ized in that said .alpha.-aminonitrile or one of the salts there- of is reacted in an aqueous medium, in the heterogeneous phase and in the presence of hydroxide ions on a polymeric resin carrying side chains having a carbonyl group corre- sponding to the general formula: Image wherein: - ? represents a polymeric resin matrix; - Z represents a group of the formula: -NH-(CH2)n-C(O)- wherein 1 ? n ? 5; - m represents 0 or 1 - R1 represents a hydrogen atom and - R2 represents a group selected from a cycloalkanone group having from 4 to 7 members and optionally containing a nitrogen atom in the l-position, and a group of the formula Image wherein: - R1 represents a group selected from hydrogen, methyl and ethyl; - R1 represents methyl or ethyl; and - n represents 0, 1, 2 or 3 or: - R1 and R2 together with the adjacent nitrogen atom forms a cycloalkanone group having from 5 to 7 members, and optionally be substituted by at least one methyl or ethyl radical.

418818

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