Alkylation of aromatic amines

Details Alkylation of aromatic amines Alkylation of aromatic amines

1985-09-16

1990-05-29

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

564409, C07C 8524

Patent

active

049297643

ABSTRACT:
By reacting a primary aromatic amine with a dialkyl ether in the presence of a titanium dioxide alkylation catalyst having a surface area below about 130 square meters per gram, preferably in the anatase crystallographic form, at a suitably elevated temperature above about 300.degree. C., the amount of exclusively ring-alkylated product formed exceeds the amount of exclusively N-alkylated product formed.

REFERENCES:
patent: 2389500 (1945-11-01), Goshorn

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