One-pot synthesis of ring-brominated benzoate compounds

Details One-pot synthesis of ring-brominated benzoate compounds One-pot synthesis of ring-brominated benzoate compounds

1995-04-11

1997-06-10

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6976

Patent

active

056377576

ABSTRACT:
A method of preparing tetrabromobenzoate compounds from tetrabromophthalic anhydride by reacting tetrabromophthalic anhydride with alcohol in the presence of a decarboxylation catalyst. The reaction may be carried out in an excess of alcohol, or with a near stoichiometric amount of alcohol by performing the reaction in an inert solvent.

REFERENCES:
patent: 5049697 (1991-09-01), Bohen et al.
patent: 5208366 (1993-05-01), Bohen et al.
patent: 5329054 (1994-07-01), Theriot
Article entitled Use of Tetrabromophthalic Anhydride (TBPA) in the Construction of Fire-Retardant Polyester and Epoxy Resins by Sydney M. Spatz, Herman Stone, Marvin Koral, Russell I. Steiner, and Hervey W. Ackerman, Jr. published in Ind. Eng. Chem. Prod. Res. Devel., vol. 8, No. 4, Dec. 1969.
Article entitled Discoloration of Tetrabromophthalic Anhydride Polyester Resins by Sydney M. Spatz, Herman Stone, Marvin Koral, Russell I. Steiner, and Hervey W. Ackerman, Jr. published in Ind. Eng. Chem. Prod. Res. Devel., vol. 8, No. 4, Dec. 1969.

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