申请人:Boehringer Ingelheim Pharma KG
公开号:US06248770B1
公开(公告)日:2001-06-19
The present invention relates to new benzimidazoles of general formula
wherein
Ra to Rc, A, Ar and B are defined as in claim 1, the tautomers, the stereoisomers, the mixtures thereof the prodrugs, the derivatives thereof which contain a group which is negatively charged under physiological conditions, instead of a carboxy group, and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable properties.
The compounds of the above general formula I wherein Rc denotes a cyano group are valuable intermediates for preparing the other compounds of general formula I, and the compounds of the above general formula I wherein Rc denotes one of the amidino groups mentioned in claim 1 which have valuable pharmacological properties, particularly an antithrombotic activity.
本发明涉及一般式中Ra到Rc、A、Ar和B所定义的新苯并咪唑,其互变异构体,立体异构体,混合物,前药,含有在生理条件下带负电荷的基团而不是羧基的衍生物及其盐,特别是与无机或有机酸或碱的生理可接受的盐,具有有价值的特性。上述一般式I中Rc表示氰基的化合物是制备一般式I中其他化合物的有价值的中间体,而上述一般式I中Rc表示权威要求1中提到的氨基甲酰基之一的化合物具有有价值的药理学特性,特别是抗血栓活性。