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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.:

US 5597932 B1

PDFFull Text
Date of Patent:
Jan. 28, 1997

Filed:

May. 16, 1995

Intermediate for the preparation of 19-nor vitamin d compounds

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:

Andrus, Sceales, Starke & Sawall

Primary Examiner:

Kimberly J Prior

Int. Cl.
CPC ...
C07D / ; C07F / ; C07C / ;
U.S. Cl.
CPC ...
549214 ; 549414 ; 549415 ; 549416 ; 549420 ; 549421 ; 549429 ; 549472 ; 549473 ; 549475 ; 556437 ; 556443 ; 568445 ; 568612 ; 568665 ; 568819 ; 568833 ; 568376 ; 560126 ;
Abstract

The invention is drawn to a compound having the following formula ##STR1## in which X.sup.1 and X.sup.2, which may be the same or different, represent hydrogen or a hydroxy-protecting group, X.sup.4 is hydrogen, A is selected from --COOAlkyl and CH.sub.2 OH, and B is a hydroxy group, or A and B, when taken together, represent an oxo group. These compounds are useful as intermediates in the production of 19-nor vitamin D derivatives.

Find Patent Forward Citations

DeLuca, Hector. (1997). Intermediate for the preparation of 19-nor vitamin d compounds (U.S. Patent No. 5597932). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5597932

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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