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.

Date of Patent:
Nov. 26, 1985

Filed:

Nov. 01, 1984
Applicant:
Inventors:

Hector F DeLuca, Madison, WI (US);

Heinrich K Schnoes, Madison, WI (US);

Seok H Lee, Madison, WI (US);

Mary E Phelps, Stoughton, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603972 ;
Abstract

The invention relates to a process for preparing 1-hydroxyvitamin D compounds by acid-catalyzed solvolysis of the corresponding 1-hydroxy-3,5-cyclovitamin D compound in an organic solvent medium whereby the free, non-acylated, 5,6-cis and 5,6-trans-1-hydroxylated vitamin D compounds are obtained in admixture.


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