Jc. Rosa et al., BIS-QUINOLINIUM CYCLOPHANES - A NOVEL CLASS OF POTENT BLOCKERS OF THEAPAMIN-SENSITIVE CA2-ACTIVATED K+ CHANNEL(), Bioorganic & medicinal chemistry letters, 7(1), 1997, pp. 7-10
Based on the structure-activity analysis of two series of blockers of
the small conductance Ca2+-activated K+ (SKCa) channel a novel class o
f bis-quinolinium cyclophane blockers has been designed and synthesise
d. These compounds exhibit submicromolar activity; UCL 1530 (4) is a u
seful agent since it has been shown (elsewhere) to be selective for th
e neuronal SKCa channel (IC50 = 80 nM) relative to hepatocyte channels
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