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:
Apr. 25, 2006
Filed:
May. 14, 2003
Applicants:
Katsuhiko Fujimoto, Hiratsuka, JP;
Takashi Kasai, Kawasaki, JP;
Inventors:
Katsuhiko Fujimoto, Hiratsuka, JP;
Takashi Kasai, Kawasaki, JP;
Assignee:
Sankyo Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 477/20 (2006.01); C07D 495/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of a carbapenem antibacterial compound of the following formula (4) having a 1-alkylpyrrolidine structure or a salt thereof, a useful synthetic intermediate of the following formula (1) or a salt thereof, and a process for the preparation thereof:wherein Rrepresents a C–Calkyl group, Rand Reach independently represents a hydrogen atom or an organic residue or Rand Rtogether with the nitrogen atom they are attached to form a ring.