8-arylquinolines wherein the aryl group at the 8-position contains a meta one or two atom bridge to a phenyl, 5 or 6 member heteroaryl or fused bicyclic heteroaryl group, and wherein at least one of the bridge atoms is not carbon, are PDE4 inhibitors.
Hunting the Emesis and Efficacy Targets of PDE4 Inhibitors: Identification of the Photoaffinity Probe 8-(3-Azidophenyl)-6- [(4-iodo-1<i>H</i>-1-imidazolyl)methyl]quinoline (APIIMQ)