METHOD OF OBTAINING A DERIVATIVE OF DIHYDROPYRIDINE

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 in which 3-ÄethylÜ-5-ÄmethylÜ-2-Ä2'-(yl)-ethoxy-met...

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Main Authors KRASZNAI GYORGY, LAX KOVANYI GYORGYI, BLASKO GABOR, DONATH VERECZKEY GYORGY, NAGY KALMAN, TOMPE PETER, BOZSING DANIEL, SIMIG GYULA, NEMETH NORBERT, NEMET GABOR
Format Patent
LanguageEnglish
Published 15.02.1999
Edition6
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Abstract 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 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 is reacted with benzenesulfonic acid of Formula 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.
AbstractList 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 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 is reacted with benzenesulfonic acid of Formula 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.
Author DONATH VERECZKEY GYORGY
LAX KOVANYI GYORGYI
NEMETH NORBERT
BLASKO GABOR
SIMIG GYULA
KRASZNAI GYORGY
TOMPE PETER
BOZSING DANIEL
NAGY KALMAN
NEMET GABOR
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– fullname: TOMPE PETER
– fullname: BOZSING DANIEL
– fullname: SIMIG GYULA
– fullname: NEMETH NORBERT
– fullname: NEMET GABOR
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Title METHOD OF OBTAINING A DERIVATIVE OF DIHYDROPYRIDINE
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