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编 号:F259127
分子式:C20H22ClN3O3S2
分子量:451.99
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生物活性:
SB 271046 is a potent, selective and orally active 5-HT6 receptor antagonist with a pKi of 8.92-9.09. SB 271046 show >200-fold selective for the 5-HT6 receptor over other receptors, binding sites and ion channels. SB 271046 has anticonvulsant activity.

体内研究:
SB 271046 produces an increase in seizure threshold over a wide-dose range in the rat maximal electroshock seizure threshold (MEST) test, with a minimum effective dose of ?0.1?mg/kg p.o. and maximum effect at 4?h post-dose. The level of anticonvulsant activity achieved correlated well with the blood concentrations of SB 271046 (EC50 of 0.16?μM) and brain concentrations of 0.01-0.04?μM at Cmax.

体外研究:
In functional studies on human 5-HT6 receptors SB 271046 competitively antagonized 5-HT-induced stimulation of adenylyl cyclase activity with a pA2 of 8.71.
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