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:
Jul. 11, 1989
Filed:
Apr. 29, 1988
Applicant:
Inventors:
Hector F DeLuca, Deerfield, WI (US);
Heinrich K Schnoes, Madison, WI (US);
Andrzej Kutner, Warsaw, PL;
Kato L Perlman, Madison, WI (US);
Rafal R Sicinski, Warsaw, PL;
Mary E Phelps, Stoughton, WI (US);
Assignee:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603972 ;
Abstract
The invention relates to a method for preparing vitamin D-related compounds and to certain intermediate compounds in such process. The intermediate compounds are characterized by an aldehyde or ester in the C-22 position in the side chain. The presence of such groups permit facile side chain additions for the preparation of vitamin D derivatives.