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. 27, 2009
Filed:
Jun. 18, 2004
Kazuhiro Aihara, Kanagawa-Ken, JP;
Toshifumi Hasegawa, Kanagawa-Ken, JP;
Shinichi Kitahara, Kanagawa-Ken, JP;
Takashi Watanabe, Kanagawa-Ken, JP;
Takashi Ando, Kanagawa-Ken, JP;
Takehiko Sawabe, Kanagawa-Ken, JP;
Eiki Shitara, Kanagawa-Ken, JP;
Kunio Atsumi, Kanagawa-Ken, JP;
Kazumi Ota, Kanagawa-Ken, JP;
Kazuhiro Aihara, Kanagawa-Ken, JP;
Toshifumi Hasegawa, Kanagawa-Ken, JP;
Shinichi Kitahara, Kanagawa-Ken, JP;
Takashi Watanabe, Kanagawa-Ken, JP;
Takashi Ando, Kanagawa-Ken, JP;
Takehiko Sawabe, Kanagawa-Ken, JP;
Eiki Shitara, Kanagawa-Ken, JP;
Kunio Atsumi, Kanagawa-Ken, JP;
Kazumi Ota, Kanagawa-Ken, JP;
Meiji Seika Kaisha, Ltd., Tokyo-To, JP;
Abstract
This invention relates to crystals of compounds of formula (I), wherein TBS represents t-butyldimethylsilyl, and Ph represents phenyl, or its salt or solvate. Compounds of formula (I) are synthesis intermediates of 2-substituted-1β-methyl carbapenem compounds useful as antimicrobial agents. The crystals of the present invention have excellent handleability and can realize the production of carbapenem compounds having excellent antimicrobial activity in a simpler manner with improved yield and purity.