C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/608.3, 260/5
C07C 59/13 (2006.01) C07C 45/46 (2006.01) C07C 45/58 (2006.01) C07C 51/377 (2006.01) C07C 51/487 (2006.01)
Patent
CA 1190939
Abstract of the Disclosure A process for the preparation of the d-2-(6-methoxy- 2-naphthyl)-oronionic acid of formula Image I which comprises resolving a racemic mixture of the d- and 1-2- (5-halo-6-methoxy-2-naphthyl)-propionic acids of formula Image II wherein halo stands for a halogen atom, recovering the d-isomer and subjecting this isomer to catalytic dehalogenation. The compound is obtained in very high veilds and with a high degree of purity.
400096
Cannata Vincenzo
Tamerlani Giancarlo
Alfa Chemicals Italiana S.p.a.
Marks & Clerk
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