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:
Jan. 28, 2014
Filed:
Nov. 23, 2011
Applicants:
Xing Fu, Acton, MA (US);
Albrecht Zumbrunn, Territet, CH;
Inventors:
Xing Fu, Acton, MA (US);
Albrecht Zumbrunn, Territet, CH;
Assignee:
Johnson Matthey Public Limited Co., London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07G 3/00 (2006.01); C07H 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of preparing a ribofuranose derivative essentially free of pyranose compounds includes a step of contacting a solution of MDR containing MDRP as an impurity in a solvent including methanol and/or tetrahydrofuran with at least one alkali metal periodate under conditions sufficient to oxidize at least a portion of the MDRP. MDR containing at most 5 wt % of MDRP based on the total weight of MDR and MDRP may be produced.