Catalytic alkylation of aromatic amines with ethers

Details Catalytic alkylation of aromatic amines with ethers Catalytic alkylation of aromatic amines with ethers

1984-06-06

1988-01-26

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

564409, C07C 8902, C07C 8524

Patent

active

047218100

ABSTRACT:
Aromatic amines are alkylated by reaction with an acyclic ether or an unstrained cyclic ether in the presence of a B-subgroup metal oxide alkylation catalyst, preferably a Group IV-B metal oxide with or without a minor proportion of a Group VI-B or Group VIII metal oxide, so that alkylation of the aromatic amine occurs. Under most reaction conditions ether alkylating agents such as diethyl ether not consumed in the alkylation reaction pass through the reaction zone undecomposed and thus can be readily recovered for recycle or other use.

REFERENCES:
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patent: 2389500 (1945-11-01), Goshorn
patent: 3086017 (1963-04-01), Denton
patent: 3853887 (1974-12-01), Pike et al.
patent: 3868420 (1975-02-01), Evans et al.
patent: 4418005 (1983-11-01), Dodd et al.
patent: 4605766 (1986-08-01), Hargis
Chemical Abstracts, vol. 36, No. 1957(2), (1942).

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