A proces for the synthesis of 1-(4-Arylpiperazine-1-y1)-3-(2-oxypyrrolidin/piperidin-1-yl)propanes as therapeutic agents for hypertension, ischemia, cardiovascular and other adrenergic receptors related disorders
The invention relates to a process for the synthesis of 1-[4-Arylpiperazin-1-yl]-3-[2-oxopyrrolidin/piperidin-1-yl]propanes used as potential therapeutic agents for hypertension, ischemia, cardiovascular and other adrenergic receptors related disorders, having general formula 1 ##STR1## wherein Ar represents a phenyl ring substituted by the groups like halo, alkoxy, alkyl or heteroaryl, n=1 or n=2; a process of preparing said compounds and a method of treating hypertension, ischemia, cardiovascular and other adrenergic receptors related disorders.
1-[4-arylpiperazin-1-yl]-3-[2-oxopyrrolidin/piperidin-1-yl]propanes and
申请人:Council of Scientific & Industrial Research
公开号:US06150367A1
公开(公告)日:2000-11-21
A chemical compound and composition of Formula 1: ##STR1## wherein Ar represents a phenyl ring substituted by the groups like halo, alkoxy, alkyl or heteroaryl, n=1 or n=2; said compounds and compositions as being useful therapeutic agents for hypertension, ischemic, cardiovascular and other adrenergic receptor related disorders.
A proces for the synthesis of 1-(4-Arylpiperazine-1-y1)-3-(2-oxypyrrolidin/piperidin-1-y1) propanes as therapeutic agents for hypertension, ischemia, cardiovascular and other adrenergic receptors related disorders
申请人:Council of Scientific and
Industrial Research
公开号:EP0913397A1
公开(公告)日:1999-05-06
A process of preparing novel compounds of formula 1
Wherein Ar represents a phenyl ring substituted by the groups like halo, alkoxy, alkyl or heteroaryl, n=1 or n=2; said compounds are used as potential therapeutic agents for hypertension, ischemic, cardiovascular and other adrenergic receptors related disorders, said process comprising condensing 2-pyrrolidone of formula 2 (n=1) or 2-piperidone of formula 2 (n=2) with 1-[4-substituted arylpiperazin-1-yl]-3-chloropropanes of formula 5 where Ar represents a phenyl ring substituted by the groups like halo, alkoxy, alkyl or heteroaryl in the presence of a base and organic solvent at a temperature ranging from 120-150°C for a period varying between 90 min. to 14 hrs. to produce the corresponding 1-[4-substituted arylpiperazin-1-yl]-3-[2-oxopyrrolidin/piperidin-1-yl]propanes of formula 1.
A proces for the synthesis of 1-(4-Arylpiperazine-1-y1)-3-(2-oxypyrrolidin/piperidin-1-yl)propanes as therapeutic agents for hypertension, ischemia, cardiovascular and other adrenergic receptors related disorders