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:
Jun. 08, 2021
Filed:
Mar. 13, 2018
Daiichi Sankyo Company, Limited, Tokyo, JP;
Ryoji Koike, Yokohama, JP;
Yoshifumi Hachisu, Yokohama, JP;
Takafumi Kitawaki, Sagamihara, JP;
Shohei Shiraishi, Chigasaki, JP;
Daiichi Sankyo Company, Limited, Tokyo, JP;
Abstract
Provided is a novel and industrially useful method for producing a 3, 6-disubstituted imidazo[1, 2-b]pyridazine derivative. The present invention provides a method for producing a 3, 6-disubstituted imidazo[1, 2-b]pyridazine derivative, which uses 6-fluoroimidazo[1, 2-b]pyridazine as a starting material, while using an aromatic substitution reaction that utilizes C—H activation by means of palladium.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile