Method for synthesizing n-methyl-ureas

Details Method for synthesizing n-methyl-ureas Method for synthesizing n-methyl-ureas

C - Chemistry, Metallurgy

07

C

260/547.6

C07C 273/18 (2006.01) C07C 275/06 (2006.01)

Patent

CA 1074333

ABSTRACT OF THE DISCLOSURE A method for the preparation of N-methyl ureas is disclosed, the improvement consisting in that the reaction is a catalytic hydrogenation of a mixture of an urea and formaldehyde, carried out in a single-step run and in a defi- nitely acidic environment, contrarily to the conventional art, under high temperatures and pressures. Temperatures of 50°C- 150°C and pressures of from 20 to 150 kgs./sq.cm. are the pre- furred field of action.

267040

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