| 发明名称 |
Process for the preparation of N-alkoxycarbonylmethyl-N-formyl-amines and -anilines |
| 摘要 |
The invention relates to a process for the preparation of compounds of the formula I <IMAGE> (I) in which R1 denotes (substituted) aryl or (substituted) cyclohexyl and R2=alkyl, in which a compound of the formula R1-NH2 is reacted with at least twice the molar amount of glyoxylic acid in the presence of water and the resulting acid is then esterified.
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| 申请公布号 |
US4925958(A) |
申请公布日期 |
1990.05.15 |
| 申请号 |
US19880207766 |
申请日期 |
1988.06.16 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
SCHMIERER, ROLAND;KUNSTMANN, RUDOLF |
| 分类号 |
C07C231/00;C07C67/00;C07C231/12;C07C231/14;C07C233/47 |
主分类号 |
C07C231/00 |
| 代理机构 |
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