New, non-adenosine, high-potency agonists for the human adenosine A2B receptor with an improved selectivity profile compared to the reference agonist n-ethylcarboxamidoadenosine

被引:140
|
作者
Beukers, MW [1 ]
Chang, LCW [1 ]
Künzel, JKVD [1 ]
Mulder-Krieger, T [1 ]
Spanjersberg, RF [1 ]
Brussee, J [1 ]
Ijzerman, AP [1 ]
机构
[1] Gorlaeus Labs, LACDR, Div Med Chem, NL-2300 RA Leiden, Netherlands
关键词
D O I
10.1021/jm049947s
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The adenosine A(2B) receptor is the least well characterized of the four known adenosine receptor subtypes because of the absence of potent, selective agonists. Here, we present five non-adenosine agonists. Among them, 2-amino-4-(4-hydroxyphenyl)-6-(1H-imidazol-2-ylmethylsulfanyl)pyridine-3,5.-dicarbonitrile, 17, LUF5834, is a high-efficacy partial agonist with EC50 = 12 nM and 45-fold selectivity over the adenosine A(3) receptor but lacking selectivity versus the A, and A(2A) subtypes. Compound 18, LUF5835, the 3-hydroxyphenyl analogue, is a full agonist with EC50 = 10 nM.
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收藏
页码:3707 / 3709
页数:3
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