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. 30, 2018
Filed:
Apr. 09, 2015
Takeda Pharmaceutical Company Limited, Osaka, JP;
Hironori Yamashita, Osaka, JP;
Kazuhiro Miwa, Osaka, JP;
TAKEDA PHARMACEUTICAL COMPANY LIMITED, Osaka, JP;
Abstract
Provided is a production method of a synthetic intermediate for a heterocyclic compound having a renin inhibitory activity and useful as a prophylactic or therapeutic drug for diabetic nephropathy, hypertension and the like. A production method of a compound represented by the formula (III-1a), the formula (III-1b), the formula (III-1c) and/or the formula (III-1d); wherein each symbol is as described in DESCRIPTION, or a salt thereof, including reacting a compound represented by the formula (Ia) or (Ib): wherein each symbol is as described in DESCRIPTION, or a salt thereof with a compound represented by the formula (II): wherein each symbol is as described in DESCRIPTION, or a salt thereof, in the presence of an aluminum compound and a chiral amine compound.