Process for N-alkylating aromatic amines

Details Process for N-alkylating aromatic amines Process for N-alkylating aromatic amines

1974-09-11

1976-07-13

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260571, 260573, 260574, 260576, C07C 8750, C07C 8754

Patent

active

039694119

ABSTRACT:
N-alkylated aromatic amines are prepared by heating an aromatic amine together with a lower aliphatic alcohol in the presence of from 0.01 to 1.0 mol of phosphoric acid per nitrogen equivalent at a temperature in the range of from 150.degree.-280.degree.C. Thereafter, the liquid phases that form are separated to isolate the N-alkylated aromatic amine.

REFERENCES:
patent: 2073671 (1937-03-01), Andrews
patent: 2991311 (1961-07-01), Thoma

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