| 发明名称 |
PROCESS FOR PRODUCTION OF 2-METHIL-4-AMIN-5-/FORMILAMIN-METHIL/-PIRAMIDINE |
| 摘要 |
alpha -(o-Chlorophenyl)-aminomethylene- beta -formylaminopropionitrile, process for its preparation by reacting a metal salt of alpha -formyl- beta -formylaminopropionitrile with a salt of o-chloroaniline in an aqueous medium, and use of the product to prepare the compound of the formula <IMAGE> by reaction with acetamidine. The pyrimidine thus obtained is an intermediate for the preparation of vitamin B1. |
| 申请公布号 |
HU195785(B) |
申请公布日期 |
1988.07.28 |
| 申请号 |
HU19870003509 |
申请日期 |
1985.08.23 |
| 申请人 |
BASF AG.,DE |
发明人 |
ERNST,HANSGEORG,DE;LITTMANN,WOLFGANG,DE;PAUST,JOACHIM,DE |
| 分类号 |
C07C67/00;C07C253/00;C07C253/30;C07C255/27;C07C255/30;C07D239/42 |
主分类号 |
C07C67/00 |
| 代理机构 |
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