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. 25, 2005
Filed:
Aug. 06, 2004
Jiri Zemlicka, Warren, MI (US);
Yao-ling Qiu, Hamburg, PA (US);
John C. Drach, Ann Arbor, MI (US);
Roger G. Ptak, New Market, MI (US);
Jiri Zemlicka, Warren, MI (US);
Yao-Ling Qiu, Hamburg, PA (US);
John C. Drach, Ann Arbor, MI (US);
Roger G. Ptak, New Market, MI (US);
The Regents of the University of Michigan, Ann Arbor, MI (US);
Wayne State University, Detroit, MI (US);
Abstract
Compounds which are active against viruses have the following Formulas:wherein B is a purine or pyrimidine heterocyclic ring and is preferably selected from the group consisting of 6-aminopurine (adenine), 2,6-diaminopurine, 2-amino-6-azidopurine, 2-amino-6-cyclopropylaminopurine, 6-hydroxypurine (hypoxanthine), 2-amino-6-halo substituted purines, 2-amino-6-alkoxy substituted purines, 2-amino-6-hydroxypurine (guanine), 3-deazapurines, 7-deaza-purines, 8-azapurines, cytosine, 5-halo substituted cytosines, 5-alkyl substituted cytosines, thymine, uracil and 6-azapyrimidines; X is O; and, Rand Rare alkyl or aryl groups. The compounds of the present invention also include the R- and S-enantiomers of the above compounds. The RX and/or RX can also be amino acid residues with X as NH.