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:
Nov. 10, 2015
Filed:
Oct. 29, 2014
Fujifilm Corporation, Tokyo, JP;
Toyama Chemical Co., Ltd., Tokyo, JP;
Kouki Nakamura, Ashigarakami-gun, JP;
Takeshi Murakami, Ashigarakami-gun, JP;
Hiroyuki Naitou, Ashigarakami-gun, JP;
Naoyuki Hanaki, Ashigarakami-gun, JP;
Katsuyuki Watanabe, Ashigarakami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
The object of the present invention is to provide a compound which is useful as a production intermediate of pyrazine carboxamide derivative such as 6-fluoro-3-hydroxy-2-pyrazine carboxamide. The present invention provides a pyrazino[2,3-d]isoxazole derivative represented by the formula (I): wherein X represents a halogen atom, a hydroxyl group or a sulfamoyloxy group, and Y represents —C(═O)R or —CN; wherein R represents a hydrogen atom, an alkoxy group an aryloxy group, an alkyl group, an aryl group or an amino group.