申请人:Nippon Soda Co., Ltd.
公开号:US05294711A1
公开(公告)日:1994-03-15
This invention relates to 3,6-diamino-2,5-pyrazinedicarbonitrile which is a red crystal and yellowish green fluorescent substance and the methods of preparation from compounds represented by formula [I], ##STR1## (wherein R are aryl, alkyl, aralkyl or alkenyl or may be substituted), as a starting material, under acidic condition in the presence of oxygen.
本发明涉及一种3,6-二氨基-2,5-吡嗪二氰化物,它是一种红色晶体和黄绿色荧光物质,以及从化合物[I](其中R为芳基,烷基,芳基烷基或烯基或可以被取代)开始,在酸性条件下在氧气存在下制备的方法。