Method for preparing methylamines

Details Method for preparing methylamines Method for preparing methylamines

C - Chemistry, Metallurgy

07

C

C07C 211/04 (2006.01) C07C 209/16 (2006.01)

Patent

CA 2108489

The present invention provides a method for selec- tively preparing dimethylamine and monomethylamine, while the production of trimethylamine is inhibited to a suffi- ciently low level, and the method comprises carrying out a gaseous reaction of methanol and ammonia by the use of a mordenite modified with a silylating agent by a silylation treatment in a liquid phase. According to the present invention, a step for recycling trimethylamine is unneces- sary, and the amount of steam or the like to be used can be decreased.

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