Process for the resolution of 6-methoxy-alpha-methyl-2-naphthale

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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562466, C07B 5500

Patent

active

057602875

ABSTRACT:
Naproxene ((+)-6-methoxy-.alpha.-methyl-2-naphthaleneacetic acid) is recovered from the corresponding racemic acid by treatment of the latter with N-substituted R-(-)-2-amino-1-butanols and recovery of the resulting diastereomeric salt.

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