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:
Oct. 08, 1996
Filed:
May. 16, 1995
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);
Wisconsin Alumni Research Foundation, Madison, WI (US);
Abstract
A process is disclosed for the removal of the 4-protected hydroxy group from compounds of the following formula: ##STR1## where A is --COOAlkyl and B is hydroxy, or A and B together represent either oxo or .dbd.CHCOOAlkyl, where X.sup.1 and X.sup.2 are the same or different and represent hydrogen or a hydroxy-protecting group, and where X.sup.3 is ##STR2## with a hydrogen radical source, such as tributyltin hydride or tris(trimethylsilyl)silane, and a radical initiator, such as AIBN or irradiation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile