PRODUCTION OF SUBSTITUTED PHENYLENE AROMATIC DIESTERS Russian patent published in 2015 - IPC C07C37/02 C07C37/07 C07C37/16 C07C37/70 C07C39/08 C07C67/08 C07C67/14 C07C69/17 

Abstract RU 2553475 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method for the production of 5-tert-butyl-3-methyl-1,2-phenylene dibenzoate, comprising an interaction under reaction conditions between 5-tert-butyl-3-methylcatechol (BMC) and triethylamine and a member selected from the group consisting of an aromatic carboxylic acid and an aromatic carboxylic acid derivative, where the derivative of the aromatic carboxylic acid is an aromatic acyl halide, an aromatic anhydride, an aromatic carboxylate salt or any combination thereof; and where the aromatic carboxylic acid is benzoic acid; and forming a composition comprising 5-tert-butyl-3-methyl-1,2-phenylene dibenzoate (BMPD). Synthesis pathways for a precursor to 5-tert-butyl-3-methyl-1,2-phenylene dibenzoate are provided. The precursor is 5-tert-butyl-3-methylcatechol.

EFFECT: simple and cost-effective method with high yield.

10 cl, 2 dwg, 6 ex

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RU 2 553 475 C2

Authors

Leung Tak V.

Rot Gari A.

Tao Tao

Gao Kuan'Tsjan

Chehn' Lin'Fehn

Dates

2015-06-20Published

2009-12-31Filed