BIBS 39
目录号 : GC19071A nonpeptide AT1 receptor antagonist
Cas No.:133085-33-3
Sample solution is provided at 25 µL, 10mM.
BIBS 39 is a new nonpeptide angiotensin II (AII) receptor antagonist.Target: Angiotensin Receptorin vitro: BIBS 39 displaces [125I] AII from its specific binding sites with a Ki value of 29 ± 7 nM for the AII subtype 1 (AT1) receptor and a Ki value of 480 ± 110 nM for the AII subtype 2 (AT2) receptor. BIBS 222 shows a Ki value of 20 ± 7 nM for the AT1 subtype and a Ki value of 730 ± 170 nM for the AT2 subtype. BIBS 39 is 17 times more selective for the AT1 subtype and BIBS 222 37 times. BIBS 39 shifts the AII concentration-contractile response curves in isolated rabbit aorta to the right in a parallel fashion. [1]in vivo: In pithed rats, BIBS 39 dependently shifts the dose-response curve of AII to the right without affecting the maximal response. BIBS 222 also causes parallel shifts to the right but a significant reduction of the maximal responses was observed at 3 and 10 mg/kg i.v. These results show that the benzimidazole derivatives BIBS 39 is a potent and selective AII receptor antagonists. Substitution with a benzimidazole moiety results into a considerable loss of selectivity for the AT1 receptor subtype compared with an imidazole moiety as, for instance, in DuP 753.[1] BIBS 39 is a new nonpeptide angiotensin receptor blockers that has affinity for both AT1- and AT2-receptors, is also a potent antagonist of the cardiovascular effects of AII in pithed rabbits. [2]
References:
[1]. Zhang J, et al. Characterization of BIBS 39 and BIBS 222: two new nonpeptide angiotensin II receptor antagonists. Eur J Pharmacol. 1992 Jul 21;218(1):35-41.
[2]. Zhang J, et al. Hemodynamic effects of angiotensin II and the influence of angiotensin receptor antagonists in pithed rabbits. J Cardiovasc Pharmacol. 1995 May;25(5):724-31.
Cas No. | 133085-33-3 | SDF | |
Canonical SMILES | O=C(C1=CC=CC=C1C2=CC=C(CN3C4=CC(NC(NC5CCCCC5)=O)=CC=C4N=C3CCCC)C=C2)O | ||
分子式 | C32H36N4O3 | 分子量 | 524.65 |
溶解度 | DMSO : ≥ 32 mg/mL (60.99 mM) | 储存条件 | Store at -20°C |
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1 mg | 5 mg | 10 mg | |
1 mM | 1.906 mL | 9.5302 mL | 19.0603 mL |
5 mM | 0.3812 mL | 1.906 mL | 3.8121 mL |
10 mM | 0.1906 mL | 0.953 mL | 1.906 mL |
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2.
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