Process for the preparation of the d-2-(6-methoxy-2-naphthyl)-pr

Details Process for the preparation of the d-2-(6-methoxy-2-naphthyl)-pr Process for the preparation of the d-2-(6-methoxy-2-naphthyl)-pr

1982-03-29

1983-12-27

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

26050117, C07C 65105

Patent

active

044232446

ABSTRACT:
A new process for the preparation of the d-2-(6-methoxy-2-naphthyl)-propionic acid of formula ##STR1## which comprises resolving a racemic mixture of the d- and 1-2-(5-halo-6-methoxy-2-naphthyl)-propionic acids of formula ##STR2## wherein halo stands for a halogen atom, recovering the d-isomer and subjecting this isomer to catalytic dehalogenation. Compound I is obtained in very high yields and with a high purity degree.

REFERENCES:
patent: 3686183 (1972-08-01), Dyson
patent: 3904682 (1978-09-01), Fried

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