Process for the manufacture of dimethylethylamine

Details Process for the manufacture of dimethylethylamine Process for the manufacture of dimethylethylamine

1980-08-12

1982-01-12

Doll, John

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

Organic compounds

Amino nitrogen containing

564480, 564497, C07C 8506

Patent

active

043106978

ABSTRACT:
This invention relates to a process for the manufacture of dimethylethylamine comprising reacting gaseous ethanol with a gaseous mixture of hydrogen and dimethylamine in the presence of a hydrogenation/dehydrogenation catalyst comprising copper and chromic oxide alone or admixed with barium oxide, zinc oxide, magnesium oxide, or other oxides, at a temperature of about 180.degree. C. to 240.degree. C. and an absolute pressure of about 1 to 15 bars for a time sufficient to form dimethylethylamine, the molar ratio of dimethylamine/ethanol being about 0.2 to 0.6 and the molar ratio of hydrogen/ethanol being about 3 to 10.

REFERENCES:
patent: 2073671 (1937-03-01), Andrews
patent: 2092431 (1937-09-01), Swallen et al.
Morrison and Boyd, "Organic Chemistry," 3rd Ed., p. 630, (1973).
Rose, "The Condensed Chemical Dictionary," 5th Ed., p. 568 (1956).
Baiker et al., "Tetrahedron Letters," (22), pp. 1937-1938 (1977).

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