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:
Dec. 27, 2022
Filed:
Dec. 16, 2019
Applicant:
D. Western Therapeutics Institute, Inc., Nagoya, JP;
Inventors:
Kengo Sumi, Nagoya, JP;
Ryohei Nakamura, Nagoya, JP;
Assignee:
D. WESTERN THERAPEUTICS INSTITUTE, INC., Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 217/22 (2006.01); C07D 217/02 (2006.01);
U.S. Cl.
CPC ...
C07D 217/22 (2013.01); C07D 217/02 (2013.01);
Abstract
A compound, such as isoquinoline-6-sulfonyl chloride acid and/or addition salts thereof, may be useful as a manufacturing intermediate for an isoquinoline-6-sulfonamide compound. A method for manufacturing such compounds and/or or acid addition salts thereof, may involve subjecting 6-(benzylthio)isoquinoline to an oxidative chlorination reaction and/or reacting 6-aminoisoquinoline with a nitrite or nitrous acid ester, then with thionyl chloride, and then with an acid.