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. 22, 2004
Filed:
Jul. 12, 2002
Salah Zahr, Acton, MA (US);
David A. Swanson, Burlington, MA (US);
Adel M. Moussa, Burlington, MA (US);
Luning Han, Allston, MA (US);
Johnson Matthey Pharmaceutical Materials, Inc., Devens, MA (US);
Abstract
The present invention relates to a method of preparing enantiomers and diastereomers of a 2′,3′-dideoxy-5-fluoro-3′thiocytadine (FTC) or a derivative thereof as represented by the structural formula (I), wherein R is H, a substituted or unsubstituted organic acid radical, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted heteroarakyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted heterocycloalkyl group, a substituted or unsubstitued cycloalkylalkyl group, a substituted or unsubstituted heterocycloalkylalkyl group, a sugar or a protecting group.