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:
Mar. 18, 2008
Filed:
May. 07, 2004
Applicants:
Atsushi Nakayama, Tokyo, JP;
Nobuo Machinaga, Tokyo, JP;
Yoshiyuki Yoneda, Tokyo, JP;
Masaki Setoguchi, Tokyo, JP;
Inventors:
Atsushi Nakayama, Tokyo, JP;
Nobuo Machinaga, Tokyo, JP;
Yoshiyuki Yoneda, Tokyo, JP;
Masaki Setoguchi, Tokyo, JP;
Assignee:
Daiichi Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention provides an industrially useful process for producing 1,4-transcyclohexanecarboxylic acid derivative (1) which has excellent VLA-4 inhibitory action and safety, and an intermediate which is useful in such method. More particularly, this invention relates to a process for converting a compound of formula (I) into a compound of formula (VI) by the reaction scheme: