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:
Jun. 10, 1997
Filed:
Nov. 01, 1994
Applicant:
Inventors:
Maria J Valles, Santiago de Compostela, ES;
Jose L Mascarenas, Santiago de Compostela, ES;
Antonio Mourino, Santiago de Compostela, ES;
Sebastianus J Halkes, Weesp, NL;
Jan Zorgdrager, Weesp, NL;
Assignee:
Duphar International Research B.V., Weesp, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
552653 ;
Abstract
The invention relates to a new vitamin D compound, substituted in the 18-position with an alkyl group, a hydroxy group, an alkoxy group, an alkenyl group, an alkynyl group, a fluorinated alkyl group or a fluorinated alkenyl group. The invention also relates to a method of preparing said vitamin D compound and to a lactone and a hydrindane intermediate. The vitamin D compound is of the general formula ##STR1##