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. 08, 2022
Filed:
Jun. 22, 2020
Applicants:
Kyoto Pharmaceutical Industries, Ltd., Kyoto, JP;
Sumitomo Dainippon Pharma Co., Ltd., Osaka, JP;
Inventors:
Yoshinobu Yoshimura, Kyoto, JP;
Masayasu Kasai, Kyoto, JP;
Yoshimichi Shoji, Kyoto, JP;
Shigemitsu Takeda, Kyoto, JP;
Assignees:
Kyoto Pharmaceutical Industries, Ltd., Kyoto, JP;
Sumitomo Dainippon Pharma Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/92 (2006.01); C07H 15/26 (2006.01); A61P 35/00 (2006.01); C07D 405/12 (2006.01); C07D 407/12 (2006.01); C07F 9/655 (2006.01); C07H 7/06 (2006.01);
U.S. Cl.
CPC ...
C07D 307/92 (2013.01); A61P 35/00 (2018.01); C07D 405/12 (2013.01); C07D 407/12 (2013.01); C07F 9/65517 (2013.01); C07H 7/06 (2013.01); C07H 15/26 (2013.01);
Abstract
The problem of the present invention is to provide a useful prodrug compound of a naphthofuran compound. The present invention relates to a compound represented by the formula (IA): [wherein each symbol is as described in the DESCRIPTION] or a pharmaceutically acceptable salt thereof.