Preparation of phthalate esters

Details Preparation of phthalate esters Preparation of phthalate esters

1973-01-15

1976-01-27

Gerstl, Robert

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260469, 260471R, 260473R, 260473F, 260475FR, 260476R, C07C 6980, C07C 6982

Patent

active

039352382

ABSTRACT:
A process for the preparation of a lower alkyl ester of a phthalic acid by contacting an ammonium salt of an aromatic carboxylic acid with vapors of a lower alkanol at a temperature between about 230.degree.C and about 300.degree.C in the presence of an alkaline esterification catalyst.

REFERENCES:
patent: 2565487 (1951-08-01), Filachione et al.
patent: 2926189 (1960-02-01), Hadley et al.
patent: 3123632 (1964-03-01), Katzschmann
patent: 3320303 (1967-05-01), Schenk et al.
patent: 3377376 (1968-04-01), Gainer et al.

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