195529-54-5
Chemical Structure
A-192621
- CAS No.: 195529-54-5
- Formula:C33H38N2O6
- Molecular Weight:558.66
IUPAC Name: (2R,3R,4S)-4-(benzo[d][1,3]dioxol-5-yl)-1-(2-((2,6-diethylphenyl)amino)-2-oxoethyl)-2-(4-propoxyphenyl)pyrrolidine-3-carboxylic acid
InChIKey: LQEHCKYYIXQEBM-FUKIBTTHSA-N
SMILES: O=C([C@H]1[C@H](C2=CC=C(OCCC)C=C2)N(CC(NC3=C(CC)C=CC=C3CC)=O)C[C@@H]1C4=CC=C(OCO5)C5=C4)O
Biological Activity: A-192621, a chemical probe, is a potent, nonpeptide, orally active and selective endothelin B (ETB) receptor antagonist with an IC50 of 4.5 nM and a Ki of 8.8 nM. The selectivity of A-192621 is 636-fold higher than ETA (IC50 of 4280 nM and Ki of 5600 nM). A-192621 promotes apoptosis in PASMCs. A-192621 alos causes elevation of arterial blood pressure and an elevation in the plasma ET-1 level[1][2][3].
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A-192621 | 99.92% | A-192621, a chemical probe, is a potent, nonpeptide, orally active and selective endothelin B (ETB) receptor antagonist with an IC50 of 4.5 nM and a Ki of 8.8 nM. The selectivity of A-192621 is 636-fold higher than ETA (IC50 of 4280 nM and Ki of 5600 nM). A-192621 promotes apoptosis in PASMCs. A-192621 alos causes elevation of arterial blood pressure and an elevation in the plasma ET-1 level. | ||||||||||||||||||||
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References
- [1]. Wu-Wong JR, et al. Pharmacology of endothelin receptor antagonists ABT-627, ABT-546, A-182086 and A-192621: in vitro studies. Clin Sci (Lond). 2002 Aug;103 Suppl 48:107S-111S. [Content Brief]
- [2]. Sakai S, et al. Antagonists to endothelin receptor type B promote apoptosis in human pulmonary arterial smooth muscle cells. Life Sci. 2016 Aug 15;159:116-120. [Content Brief]
- [3]. Wessale JL, et al. Pharmacology of endothelin receptor antagonists ABT-627, ABT-546, A-182086 and A-192621: ex vivo and in vivo studies. Clin Sci (Lond). 2002 Aug;103 Suppl 48:112S-117S. [Content Brief]
