Ortho-alkylation of aromatic amines

Details Ortho-alkylation of aromatic amines Ortho-alkylation of aromatic amines

1990-09-13

1992-06-23

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564307, 564308, 564420, 564430, C07C20968

Patent

active

051244837

ABSTRACT:
Aromatic diamines, such as toluenediamine, are alkylated in the ortho position by heating the diamine in the presence of an aluminum alloy, aluminium chloride and, optionally, zinc, and then reacting with an alkene at elevated temperatures and pressures.

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Parshall et al., "Homogeneous Catalysis for Agrochemicals, Flavors and Fragrances," Chemtech, Jun. 1988, pp. 376-383.
Stroh et al., "Alkylation of Aromatic Amines," Angew. Chem 69, Jahrg. 1957, No. 4, pp. 124-131 (copy of international edition in English attached).
Grant & Hackh's Chemical Dictionary, 5th edition, "bronze", p. 97 (1987).

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