HMTA preparation of methylated tertiary amines

Details HMTA preparation of methylated tertiary amines HMTA preparation of methylated tertiary amines

1992-12-30

1994-03-22

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

544162, 544178, 544185, 544186, 544402, 544404, 546184, 546246, 548569, 548579, 554 51, 554 56, 554 68, 564159, 564488, 564489, 564490, 564491, 564503, 564505, 564508, 564511, 564512, C07C20900, C07C20948, C07C20962, C07C20964

Patent

active

052966330

ABSTRACT:
The methylated tertiary amines are selectively prepared by reacting a primary or secondary amine, or a nitrile or aminonitrile, including an aminoalcohol, etheramine, a polyamine or fatty polyamine or amidoamine, or amidopolyamine or dinitrile, with hexamethylenetetramine ("HMTA"), under hydrogen pressure at a temperature no greater than about 160.degree. C. and in the presence of a catalytically effective amount of a hydrogenation catalyst, e.g., nickel deposited onto appropriate support substrate therefor.

REFERENCES:
patent: 4002564 (1977-01-01), Carbonel et al.
patent: 4366321 (1982-12-01), Shuttleworth et al.
patent: 5109074 (1992-04-01), Eiffler et al.
patent: 5180833 (1993-01-01), Uneme et al.

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