NOVEL METHOD OF PRODUCING 6-[3-(1-ADAMANTYL)-4-METHOXYPHENYL]-2-NAPHTHOIC ACID Russian patent published in 2011 - IPC C07C51/367 C07C51/363 C07C65/21 C07C51/347 C07C65/24 C07F5/02 

Abstract RU 2414449 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a novel method of producing 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid of formula (I) through a Suzuki reaction between 3-adamantyl-4-methoxyphenylcarboxylic acid of formula (II) and 6-bromo-2-naphthoic acid of formula (III), wherein the reaction between compounds (II) and (III) is carried out at temperature between 60 and 110°C for between 30 minutes and 24 hours in an inert gas atmosphere in the presence of a palladium catalyst and a base in a polar solvent, followed by treatment with an acid. The invention also relates to use of compounds of formulae (II) and (III) to produce a compound of formula (I).

EFFECT: single-step method enables to obtain desired product with high output.

13 cl, 2 dwg, 3 ex

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RU 2 414 449 C2

Authors

Terranova Ehrik

Paskal' Zhan-Klod

Dates

2011-03-20Published

2006-04-06Filed