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:
Feb. 17, 1976
Filed:
Jan. 29, 1974
Applicant:
Inventors:
Assignee:
Teikoku Chemical Industry Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260489 ; 2604055 ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 260483 ; 2604 / ; 2604 / ; 2604 / ; 2605 / ; 2605 / ; 260546 ; 2605 / ; 2605 / ; 2606 / ; 2606315 ;
Abstract
Polyene compounds of the formula: ##EQU1## wherein R' is protected or unprotected hydroxyl or a group of the formula: ##EQU2## (in which R' and R'' are each carboxyl or a group convertible into carboxyl on hydrolysis), m is a positive integer and n is 0 or a positive integer, which are useful as intermediates in the synthesis of coenzyme Q, can be produced advantageously through a step for the dehydration of a compound of the formula: ##EQU3## wherein R', m and n are each as defined above.