Synthesis and .beta.-adrenergic antagonist activity of stereoisomeric practolol and propranolol derivatives
作者:Katerina Leftheris、Murray Goodman
DOI:10.1021/jm00163a036
日期:1990.1
synthesized in which the N-isopropyl group of the drug was replaced by an asymmetric heptanoic acid terminated by a substituted p-toluidide or p-(trifluoromethyl)anilide. The asymmetric epoxide, 3-(p-acetamidophenoxy)-1,2-epoxypropane, was allowed to react with a preformed enantiomeric 6-aminoheptanoic acid amide to yield the stereoisomeric practolol congener derivatives. An asymmetric drug precursor epoxide
已经合成了一系列立体异构的普克洛尔和普萘洛尔衍生物,其中药物的N-异丙基被不对称的庚酸代替,庚酸的末端是取代的对甲苯胺或对-(三氟甲基)苯胺。使不对称环氧化物3-(对乙酰氨基苯氧基)-1,2-环氧丙烷与预先形成的对映异构体6-氨基庚酸酰胺反应,以产生立体异构的蝶甾醇同类衍生物。由对乙酰氨基苯酚制备不对称药物前体环氧化物,并使对映体3-(甲苯磺酰氧基)-1,2-环氧丙烷6-氨基庚酸酰胺与3-(1-萘氧基)-1,2之一对映体反应-环氧丙烷。该药物前体环氧化合物是通过将1-萘酚与对映体3-(甲苯磺酰氧基)-1结合制备的,2-环氧丙烷(Sharpless环氧)或通过将1-萘酚与对映异构体3-(甲苯磺酰氧基)-1,2-丙二醇结合,然后进行环氧化。对Practolol衍生物进行的药理研究表明,增强的效力和组织/亚受体特异性对药物不对称碳的构型和间隔基不对称碳的构型有很大的依赖性。与其他立体异构同类物衍