中文名 | 3,4-Dihydro-2-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-1(2H)-naphthalenone |
英文名 | 3,4-Dihydro-2-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-1(2H)-naphthalenone |
别名 | 化合物 T10100 |
英文别名 | QF0301B 3,4-Dihydro-2-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-1(2H)-naphthalenone 1(2H)-Naphthalenone, 3,4-dihydro-2-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]- |
CAS | 149247-12-1 |
化学式 | C23H28N2O2 |
分子量 | 364.48062 |
存储条件 | -20℃ |
体外研究 | In isolated rubbed rat aorta rings, QF0301B shows marked α1-adrenoceptor blocking activity, with a pA2 value of 9.00±0.12. QF0301B reverses and competitively antagonizes the inhibitory action produced by clonidine in electrically stimulated rat vas deferens and inhibits the force and rate of contraction in rat isolated atria (pA2=5.91±0.43), competitively antagonizes the contractile effect of 5-HT in rat aorta (pA2=6.75±0.06) and in rat stomach fundus (pA2=7.13±0.48) and the contractions induced by histamine in isolated guinea pig longitudinal ileal muscle (pA2=7.40±0.40). QF0301B shows noncompetitive low action in 5-HT3, muscarinic and nicotinic receptors, or as Ca 2+ antagonist. |
体内研究 | QF0301B (0.1-0.2 mg/kg iv) can cause a pronounced and prolonged fall in mean arterial blood pressure accompanied by bradycardia. QF0301B does not significantly modify the cardiovascular effects of either 5-hydroxytryptamine (serotonin, 5-HT, 75 mg/kg iv) or the selective a2-adrenoceptor agonist B-HT 920 (0.2 mg/kg iv), but markedly inhibits the hypertensive effect of noradrenaline (5 mg/kg iv), a nonselective a-adrenergic receptor agonist. |
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