申请人:FUJIFILM CORPORATION
公开号:US20130245264A1
公开(公告)日:2013-09-19
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.
本发明的目的是提供一种化合物,该化合物可用作吡嗪羧酰胺衍生物的生产中间体,例如6-氟-3-羟基-2-吡嗪羧酰胺。本发明提供了一种由下式(I)表示的吡嗪并[2,3-d]异噁唑衍生物:
其中X代表卤素原子、羟基或磺胺氧基,Y代表—C(═O)R或—CN;其中R代表氢原子、烷氧基、芳氧基、烷基、芳基或氨基。