The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 08, 1980
Filed:
Dec. 27, 1977
Applicant:
Inventors:
Lewis J Baskeyfield, Stoke-on-Trent, GB;
John D Bell, Keyworth, GB;
John Townend, Crewe, GB;
Simon D Pollock, Loughborough, GB;
Assignee:
Fisons Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568734 ; 568735 ;
Abstract
There is described a process for the production of 6-hydroxy-1,2,3,4-tetrahydronaphthalene of formula I, ##STR1## which comprises treatment of beta naphthol with an absorbant, removal of the absorbant and selective hydrogenation of the resulting beta naphthol, preferably in a solvent which is inert under the reaction conditions. There is also described a process for the production of a compound of formula I using a rhodium catalyst.