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. 23, 1996
Filed:
Oct. 26, 1994
Applicant:
Inventors:
Hector F DeLuca, Deerfield, WI (US);
Heinrich K Schnoes, Madison, WI (US);
Kato L Perlman, Madison, WI (US);
Rolf E Swenson, Lake Bluff, IL (US);
Assignee:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07F / ;
U.S. Cl.
CPC ...
556443 ; 556444 ; 556482 ; 568669 ; 568670 ; 568828 ;
Abstract
New compounds of the formula ##STR1## where Y' represents hydroxy, protected-hydroxy, O-tosyl, O-mesyl, bromine, chlorine, or iodine and X.sup.1 and X.sup.2 may independently represent hydrogen or a hydroxy-protecting group are useful as intermediates for the production of 19-nor vitamin D derivatives, particularly 1.alpha.,25-dihydroxyvitamin D.sub.3, from (-)quinic acid.
DeLuca, Hector. (1996). Synthesis of 19-nor vitamin d compounds (U.S. Patent No. 5486636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5486636
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile