发明名称 PROCESS FOR PREPARING DIHYDROPYRIDINE DERIVATIVES
摘要 <p>A subject matter of the invention is a process for preparing 3-ÄethylÜ-5-ÄmethylÜ-2-Ä2'-(aminoethoxy)-methylÜ-4--Ä2''-(chloro)-phen ylÜ-6-ÄmethylÜ-1,4-di-ÄhydroÜ-pyridine-3,5-di-ÄcarboxylateÜ benzenesulfonic acid salt of Formula <CHEM> in which 3-ÄethylÜ-5-ÄmethylÜ-2-Ä2'-(yl)-ethoxy-methylÜ-4-Ä2''-(chloro)-phenylÜ -6-ÄmethylÜ-1,4-di-ÄhydroÜ-pyridine-3,5-di-ÄcarboxylateÜ hexaminium iodide of Formula <CHEM> is reacted with benzenesulfonic acid of Formula <CHEM> Several variants comprise also reactions for preparing intermediates leading to the said end product. A further subject matter of the invention are intermediates for preparing the said end product.</p>
申请公布号 CZ9802396(A3) 申请公布日期 1999.02.17
申请号 CZ19980002396 申请日期 1998.07.30
申请人 EGIS GYOGYSZERGYAR RT. 发明人 BOZSING DANIEL DR.;LAX KOVANYI GYORGYI DR.;SIMIG GYULA;KRASZNAI GYORGY;BLASKO GABOR DR.;TOMPE PETER DR.;NAGY KALMAN DR.;DONATH VERECZKEY GYORGYI;NEMET GABOR;NEMETH NORBERT
分类号 C07C69/716;C07C69/738;C07D211/90;C07D487/18;(IPC1-7):C07D211/88 主分类号 C07C69/716
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