Abstract:
:In silico screening of a collection of 1584 academic compounds identified a small molecule hit for the human adenosine A(2A) receptor (pK(i) = 6.2) containing a novel chromene scaffold (3a). To explore the structure-activity relationships of this new chemical series for adenosine receptors, a focused library of 43 2H-chromene-3-carboxamide derivatives was synthesized and tested in radioligand binding assays at human adenosine A(1), A(2A), A(2B) and A(3) receptors. The series was found to be enriched with bioactive compounds for adenosine receptors, with 14 molecules showing submicromolar affinity (pK(i) ≥ 6.0) for at least one adenosine receptor subtype. These results provide evidence that the chromene scaffold, a core structure present in natural products from a wide variety of plants, vegetables, and fruits, constitutes a valuable source for novel therapeutic agents.
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Areias F,Costa M,Castro M,Brea J,Gregori-Puigjané E,Proença MF,Mestres J,Loza MIdoi
10.1016/j.ejmech.2012.05.009subject
Has Abstractpub_date
2012-08-01 00:00:00pages
303-10eissn
0223-5234issn
1768-3254pii
S0223-5234(12)00306-6journal_volume
54pub_type
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