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:
Sep. 30, 2014
Filed:
May. 31, 2013
Applicant:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Inventors:
Makoto Yamaoka, Hiratsuka, JP;
Yoshitaka Nakamura, Hiratsuka, JP;
Assignee:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 413/06 (2006.01); C07D 263/02 (2006.01); C07B 53/00 (2006.01); C07D 207/335 (2006.01);
U.S. Cl.
CPC ...
C07D 413/06 (2013.01); C07B 53/00 (2013.01); C07D 207/335 (2013.01);
Abstract
An object of the present invention is to provide a pyrrole derivative useful as an immunosuppressive agent and a method for producing the same. For achieving the object, the present invention provides a method for producing a compound represented by the general formula (I) by heating a compound represented by the general formula (III) and a compound represented by the general formula (IV) in a nonpolar solvent under reduced pressure.