Process for the preparation of n-alkylated aromatic amines

Details Process for the preparation of n-alkylated aromatic amines Process for the preparation of n-alkylated aromatic amines

1990-12-12

1992-11-24

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

564399, 564408, 564428, 558418, 558419, C07C20902

Patent

active

051664402

ABSTRACT:
Aromatic amines, alkylated on the N-atom, can be prepared by catalytic alkylation of aromatic amines with alcohols or the corresponding ethers or by transalkylation with aromatic amines alkylated on the N-atom, whereby niobic acid or tantalic acid is used as the catalyst.

REFERENCES:
patent: 3957874 (1976-05-01), Dockner et al.
patent: 4721810 (1988-01-01), Hargis
patent: 4906782 (1990-03-01), Hara et al.
patent: 4921980 (1990-05-01), Rusek
patent: 4927931 (1990-05-01), Molzahn et al.

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