.alpha.-Aminomethylene-.beta.-formylaminopropionitrile and its
申请人:BASF Aktiengesellschaft
公开号:US04226799A1
公开(公告)日:1980-10-07
An improved method of manufacture of 2-methyl-4-amino-5-formylaminomethylpyrimidine (II), wherein a N-substituted or unsubstituted .alpha.-aminomethylene-.beta.-formylaminopropionitrile (I) is reacted with acetamidine. Compound II is an intermediate for the manufacture of vitamin B.sub.1.