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:
Nov. 15, 2022
Filed:
Sep. 15, 2020
Applicant:
Takeda Pharmaceutical Company Limited, Osaka, JP;
Inventors:
Tomomi Ikemoto, Osaka, JP;
Hideya Mizufune, Osaka, JP;
Toshiaki Nagata, Osaka, JP;
Takeshi Yamasaki, Osaka, JP;
Assignee:
TAKEDA PHARMACEUTICAL COMPANY LIMITED, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 207/337 (2006.01); C07D 207/333 (2006.01); C07D 207/34 (2006.01); C07D 207/36 (2006.01); C07D 401/12 (2006.01); C07D 207/30 (2006.01); C07D 207/48 (2006.01);
U.S. Cl.
CPC ...
C07D 207/337 (2013.01); C07D 207/30 (2013.01); C07D 207/333 (2013.01); C07D 207/34 (2013.01); C07D 207/36 (2013.01); C07D 207/48 (2013.01); C07D 401/12 (2013.01);
Abstract
The present invention provides a production method of a sulfonylpyrrole compound useful as a pharmaceutical product, a production method of an intermediate used for the method, and a novel intermediate. The present invention relates to a method of producing sulfonylpyrrole compound (VIII), which includes reducing compound (III) and hydrolyzing the reduced product to give compound (IV), subjecting compound (IV) to a sulfonylation reaction to give compound (VI), and subjecting compound (VI) to an amination reaction.