N-akylation of aromatic amines in the presence of an aliphatic a

Details N-akylation of aromatic amines in the presence of an aliphatic a N-akylation of aromatic amines in the presence of an aliphatic a

1977-12-01

1979-04-17

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2605676M, 260574, 260583R, 260583H, 260584R, C07C 8506

Patent

active

041500547

ABSTRACT:
An improvement in a process for the alkylation of an aromatic amine by contacting an aromatic amine with an alcohol in the presence of phosphoric acid, the improvement residing in including in the phosphoric acid an aliphatic amine containing at least one aliphatic radical having more then 3 carbon atoms, a phosphoric acid salt of said aliphatic amine or a quaternary ammonium salt of said aliphatic amine.

REFERENCES:
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patent: 2419718 (1947-04-01), Kehe
patent: 3957874 (1976-05-01), Dockner et al.
patent: 3969411 (1976-07-01), Schneider
patent: 4062893 (1977-12-01), Kyuma et al.
patent: 4067903 (1978-01-01), Hoch et al.
Pinegina et al., "Chem. Ab.", vol. 78, Ab. No. 15401r (1973).

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