[EN] BENZODIAZEPINE COMPOUND AND PHARMACEUTICAL COMPOSITION<br/>[FR] COMPOSÉ DE BENZODIAZÉPINE ET COMPOSITION PHARMACEUTIQUE
申请人:OTSUKA PHARMA CO LTD
公开号:WO2009104819A1
公开(公告)日:2009-08-27
The present invention provides a novel benzodiazepine compound that blocks the IKur current or the Kv1.5 channel or the IKACH current (the GIRK1/4 channel) potently and more selectively than other K+ channels. The benzodiazepine compound of the invention is represented by General Formula (1) wherein R1, R2, R3, and R4 are each independently hydrogen or lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more hydroxy; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; XA and XB are each independently bond, lower alkylene, etc.
本发明提供了一种新型苯二氮卓类化合物,其比其他K+通道更有效地和更选择性地阻断IKur电流或Kv1.5通道或IKACH电流(GIRK1/4通道)。本发明的苯二氮卓类化合物由通用公式(1)表示,其中R1、R2、R3和R4分别独立地为氢或较低的烷基;R2和R3可以连接形成较低的烷基链;A1是较低的烷基链,可选择地取代一个或多个羟基;而R5是一个由所表示的基团,其中R6和R7分别独立地为氢或有机基团;XA和XB分别独立地为键合、较低的烷基链等。