Nitration reactions with acid anhydride promoters

Details Nitration reactions with acid anhydride promoters Nitration reactions with acid anhydride promoters

1989-07-13

1993-04-27

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

549243, 562438, C07C20500

Patent

active

052064298

ABSTRACT:
An improved all nitric acid nitration process for the nitration of phthalic acid, phthalic anhydrides and derivatives thereof wherein the improvement consists essentially of employing a rate enhancing amount of a nitration promoting inorganic acid anhydride to enhance the rate of nitration.

REFERENCES:
patent: 3397229 (1968-08-01), Welch
patent: 3415876 (1968-12-01), Boonstra et al.
patent: 3681444 (1972-08-01), Sullivan
patent: 4036838 (1977-07-01), Vogel et al.
Kampo et al., Chem. Abstr. vol. 79, No. 194832v (1973).

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