Pyrazolo[1,5-c]quinazoline derivatives and their simplified analogues as adenosine receptor antagonists: Synthesis, structure–affinity relationships and molecular modeling studies
作者:Daniela Catarzi、Vittoria Colotta、Flavia Varano、Daniela Poli、Lucia Squarcialupi、Guido Filacchioni、Katia Varani、Fabrizio Vincenzi、Pier Andrea Borea、Diego Dal Ben、Catia Lambertucci、Gloria Cristalli
DOI:10.1016/j.bmc.2012.10.031
日期:2013.1
A number of 5-oxo-pyrazolo[1,5-c]quinazolines (series B-1), bearing at position-2 the claimed (hetero)aryl moiety (compounds 1–8) but also a carboxylate group (9–14), were designed as hA3 AR antagonists. This study produced some interesting compounds endowed with good hA3 receptor affinity and high selectivity, being totally inactive at all the other AR subtypes. In contrast, the corresponding 5-ammino