申请人:Kuwabara Hirokazu
公开号:US20050171355A1
公开(公告)日:2005-08-04
A method in which a pyridinium derivative such as 1,3-dimethyl-2,3-dihydro-2-oxopyrimidinium chloride is reacted with an acetyl compound such as 4-acetylpyridine, and then the reaction product is reacted with ammonia or an ammonium salt.
一种方法是将吡啶衍生物(例如1,3-二甲基-2,3-二氢-2-氧基嘧啶盐酸盐)与乙酰化合物(例如4-乙酰基吡啶)反应,然后将反应产物与氨或铵盐反应。