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:
Jun. 15, 1982
Filed:
Sep. 03, 1980
Applicant:
Inventors:
Assignee:
Firmenich SA, Geneva, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568361 ; 549355 ;
Abstract
Process for the preparation of muscone starting from pyranic derivatives by treatments thereof with hydrogen in an inert organic solvent and in the presence of a noble metal catalyst. Compound of formula ##STR1## and process for its preparation via dehydrogenation and dehydration of corresponding diol. Process for the preparation of unsaturated macrocyclic ketones of formula ##STR2## wherein the dotted lines stand for a single or a double bond wherein x=1 and y=2, or