New adenosine derivatives have been synthesized and tested as putative agonists of adenosine receptors. Compounds 2-6 derive from the introduction of several types of substituents (electron donating, electron withdrawing, and halogens) in the para-position of the phenyl ring of the parent compound 1, and compound 7 lacks the hydroxyl group of amino alcohol 1. In radioligand binding assays using recombinant human A1, A2A, A2B, ...
[Lin, Songnian; Yang, Zhi-Qiang; Kwok, Benjamin H. B.; Koldobskiy, Michael; Crews, Craig M.; Danishefsky, Samuel J. Journal of the American Chemical Society, 2004 , vol. 126, # 20 p. 6347 - 6355]