Process for the preparation of n-substituted n-...

Details Process for the preparation of n-substituted n-... Process for the preparation of n-substituted n-...

C - Chemistry, Metallurgy

08

G

260/540.2

C08G 59/44 (2006.01) C08G 59/40 (2006.01)

Patent

CA 1213610

Process for the preparation of N-substituted N-cyancarboxylic acid amides and their use in curable epoxide resin mixtures Abstract N-substituted N-cyanocarboxylic acid amides of the formula I are prepared by reacting 1 of an N-cyanocar- boxylic acid amide salt of the formula II with 1 mol of a compound of the formula III or an alkylating agent, for example dimethyl sulfate or diethyl sulfate, in a polar aprotic solvent. The formulae I-III and the meaning of the individual symbols are given in claim 1. The N-substituted N-cyanocarboxylic acid amides which can be obtained by the process according to the inven- tion are useful curing agents for epoxide resins.

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