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. 24, 2014
Filed:
Mar. 27, 2012
Masabumi Takahashi, Kamisu, JP;
Masabumi Takahashi, Kamisu, JP;
Eisai R&D Management Co., Ltd., Tokyo, JP;
Abstract
A method for producing a compound or a salt thereof represented by a formula (I), comprising reacting a compound or a salt thereof represented by a formula (II) and an aniline derivative represented by a formula (III) in water or a mixed solvent of water and an organic solvent in the presence of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide and substantially in the absence of a base is disclosed, wherein Ris a 4-[3-(dimethylamino)azetidin-1-yl]piperidin-1-yl group, a 4-(4-methylpiperazin-1-yl)piperidin-1-yl group, a 3-hydroxyazetidin-1-yl group or a methyl(1-methylpiperidin-4-yl)amino group, R, R, Rand Rmay be the same or different and are each a hydrogen atom or a fluorine atom, and Ris a hydrogen atom or a halogen atom.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile