Process for the preparation of (6-methoxy-2-naphthyl)-(1-bromoet

Details Process for the preparation of (6-methoxy-2-naphthyl)-(1-bromoet Process for the preparation of (6-methoxy-2-naphthyl)-(1-bromoet

1986-05-29

1988-05-31

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549450, 568315, 568592, C07D31716, C07C 4500

Patent

active

047482567

ABSTRACT:
A process is described for the preparation of (6-methoxy-2-naphthyl)-(1-bromoethyl)-ketone or ketals thereof (I), by selective debromination of (5-bromo-6-methoxy-2-naphthyl)-(1-bromoethyl)-ketone or ketals thereof (III) by means of a bromine acceptor in the presence of an acid and of an inert organic solvent. The bromine acceptor is preferably a phenol, a phenol ether or an aromatic ketone. The acid is preferably an halogenidric acid.

REFERENCES:
Weygand/Hilgetag, Preparative Organic Chemistry, ed. Hilgetag & Martini, John Wiley & Sons, New York, 1972, pp. 62-66.

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