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. 04, 2013
Filed:
Apr. 11, 2008
Applicants:
Masayuki Murakami, Kanagawa, JP;
Makoto Yamaoka, Kanagawa, JP;
Inventors:
Masayuki Murakami, Kanagawa, JP;
Makoto Yamaoka, Kanagawa, JP;
Assignee:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 498/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing neuraminic acid derivatives is provided, also synthetic intermediates of the neuraminic acid derivatives and methods for their manufacture, and neuraminic acid derivatives having high purity. [Means for Solution] A synthetic intermediate compound represented by the formula (7) is provided: [wherein Rrepresents alkyl; Rand Reach represents H, alkyl, phenyl, or together represent tetramethylene, pentamethylene, oxo].