| 发明名称 |
PROCESS FOR PREPARING DIMETHYL-1,4-DIHYDRO-2,6-DIMETHYL-4-(2-NITROPHENYL)PYRIDINE-3,5-DICARBOXYLATE |
| 摘要 |
<p>The invention is directed to processes for the preparation of dimethyl-1,4-dihydro-2,6-dimethyl-4-(2'-nitrophenyl)-pyridine-3,5-dica rboxylate by reacting 1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylene methanamie or 1-(2'-nitrophenyl)-N,N'-bis-(2'-nitrophenyl) methylene methanediamine with methyl acetoacetate in the presence of an amine compound or by reacting the monomeric or trimeric from of 2-nitrobenzaldimine with methyl acetoacetate.</p> |
| 申请公布号 |
CZ8901454(A3) |
申请公布日期 |
1999.04.14 |
| 申请号 |
CS19890001454 |
申请日期 |
1989.03.08 |
| 申请人 |
EGIS GYOGYSZERGYAR |
发明人 |
BENKO PAL DR. ING. CHEM.;BOZSING DANIEL DR. ING. CHEM.;LEVAI LASZLO ING. CHEM.;KOVANYI GYORGYI DR. ING. CHEM.;MIKITE GYULA DR. ING. CHEM.;DINNYES ILONA CHEM.;TOMPE PETER DR. ING. CHEM.;POCZIK EVA PHMR.;ZALAVARI GYORGYI;FURDYGA EVA CHEM.;BECK IVAN DR. CHEM.;SIMONYI ISTVAN DR. CHEM.;NAGY KALMAN DR. ING. CHEM.;IMRE JANOS ING. CHEM.;KISS ERZSEBET ING. CHEM.;TAJTHY EVA JUDIT ING. CHEM.;MANDI ATTILA DR. ING. CHEM.;GORGENYI FRIGYES DR. PHYS. |
| 分类号 |
C07C251/24;C07D211/90;(IPC1-7):C07D211/90 |
主分类号 |
C07C251/24 |
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