Process for ortho dealkylation of aromatic amines

Details Process for ortho dealkylation of aromatic amines Process for ortho dealkylation of aromatic amines

1982-02-19

1983-09-20

Doll, John

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

Organic compounds

Amino nitrogen containing

564486, C07C 8524, C07C 8520

Patent

active

044058128

ABSTRACT:
Ortho-methyl groups are preferentially removed from o-methyl substituted aromatic amines by contacting with a nickel catalyst at about 200.degree.-400.degree. C.

REFERENCES:
patent: 2377071 (1945-05-01), Castner et al.
patent: 3293295 (1966-12-01), Swakon et al.
patent: 3504035 (1970-03-01), Polinski et al.
patent: 4198350 (1980-04-01), Fields
patent: 4317931 (1982-03-01), Wollensak et al.
Janzen, "Journal of the American Chemical Society", vol. 87:15, pp. 3531 & 3532 (1965).
Fields et al., "Journal of the American Chemical Society", vol. 89:13, pp. 3224-3228 (1967).

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