METHOD OF SYNTHESIS OF 2-METHOXY-5-CHLOROBENZOIC ACID Russian patent published in 1995 - IPC

Abstract RU 2030387 C1

FIELD: organic chemistry. SUBSTANCE: product: 2-methoxy-5-chlorocarboxylic acid, empirical formula is C₈H₇O₂₂Cl, content of basic substance is 97.42% , m. p. is 96-97 C. Reagent 1: 2-methoxybenzoic acid. Reagent 2: chlorine. Reaction conditions: in the medium of carbon tetrachloride, at boiling, in the presence of iodine and ester of lower alcohol and aliphatic or aromatic acid taken at concentration 1.5-5% of initial acid mass following by distillation of solvent and isolation of the end product by known methods. EFFECT: improved method of synthesis. 1 tbl

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RU 2 030 387 C1

Authors

Cherdantseva N.M.

Nesterov V.M.

Gumerova N.V.

Dates

1995-03-10—Published

1992-04-16—Filed