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. 18, 2022
Filed:
Jun. 30, 2017
Applicant:
National Center for Geriatrics and Gerontology, Obu, JP;
Inventors:
Masaaki Suzuki, Obu, JP;
Kengo Ito, Obu, JP;
Takashi Kato, Obu, JP;
Hiroshi Ikenuma, Obu, JP;
Hiroko Koyama, Obu, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 213/04 (2006.01); A61K 51/04 (2006.01); C07B 59/00 (2006.01);
U.S. Cl.
CPC ...
A61K 51/04 (2013.01); C07B 59/001 (2013.01); C07B 2200/05 (2013.01);
Abstract
An object of the invention is to provide anC-labeled catechol derivative having sufficient radioactivity to obtain an imaging image by a PET apparatus, a PET probe of a phosphorylated tau aggregation inhibitor using the same, and a method for producing them. TheC-labeled catechol derivative of the present invention is represented by the following general formula (a) (wherein R is a substituent having an isopropylamino group, and the carbon at the 2-position of the isopropylamino group is labeled withC).