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:
May. 29, 2012
Filed:
Aug. 31, 2009
Takashi Moroi, Hiratsuka, JP;
Tsukasa Sotoguchi, Tokyo, JP;
Kazuhiko Matsumura, Hiratsuka, JP;
Motonobu Takenaka, Hiratsuka, JP;
Wataru Kuriyama, Hiratsuka, JP;
Toshiyuki Murayama, Iwata, JP;
Hideki Nara, Hiratsuka, JP;
Tohru Yokozawa, Hiratsuka, JP;
Kenji Yagi, Hiratsuka, JP;
Takashi Moroi, Hiratsuka, JP;
Tsukasa Sotoguchi, Tokyo, JP;
Kazuhiko Matsumura, Hiratsuka, JP;
Motonobu Takenaka, Hiratsuka, JP;
Wataru Kuriyama, Hiratsuka, JP;
Toshiyuki Murayama, Iwata, JP;
Hideki Nara, Hiratsuka, JP;
Tohru Yokozawa, Hiratsuka, JP;
Kenji Yagi, Hiratsuka, JP;
Takasago International Corporation, Tokyo, JP;
Abstract
Disclosed is an industrially advantageous production method of optically active β-amino acid of formula (5), which includes subjecting an enaminoester of formula (4) to an asymmetric hydrogenation: