Abstract
A novel series of 2-amino-2-phenylethanol derivatives were developed as β2-adrenoceptor agonists. Among them, 2-amino-3-fluoro-5-(2-hydroxy-1-(isopropylamino)ethyl)benzonitrile (compound 2f) exhibited the highest activity (EC50 = 0.25 nM) in stimulating β2-adrenoceptor-mediated cellular cAMP production with a 763.6-fold selectivity over the β1-adrenoceptor. The (S)-isomer of 2f was subsequently found to be 8.5-fold more active than the (R)-isomer. Molecular docking was performed to determine the putative binding modes of this new class of β2-adrenoceptor agonists. Taken together, these data show that compound 2f is a promising lead compound worthy of further study for the development of β2-adrenoceptor agonists.
Keywords:
Asthma; COPD; β(2)-adrenoceptor agonists.
Copyright © 2018 Elsevier Inc. All rights reserved.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adrenergic beta-2 Receptor Antagonists / chemical synthesis
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Adrenergic beta-2 Receptor Antagonists / chemistry
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Adrenergic beta-2 Receptor Antagonists / pharmacokinetics
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Adrenergic beta-2 Receptor Antagonists / pharmacology*
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Animals
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Binding Sites
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Bronchodilator Agents / chemical synthesis
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Bronchodilator Agents / chemistry
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Bronchodilator Agents / pharmacokinetics
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Bronchodilator Agents / pharmacology*
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Ethanolamines / chemical synthesis
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Ethanolamines / chemistry
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Ethanolamines / pharmacokinetics
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Ethanolamines / pharmacology*
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Guinea Pigs
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HEK293 Cells
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Humans
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Hydrogen Bonding
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Male
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Molecular Docking Simulation
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Molecular Structure
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Muscle, Smooth / drug effects
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Receptors, Adrenergic, beta-2 / chemistry
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Stereoisomerism
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Structure-Activity Relationship
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Trachea / drug effects
Substances
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2-amino-2-phenylethanol
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Adrenergic beta-2 Receptor Antagonists
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Bronchodilator Agents
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Ethanolamines
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Receptors, Adrenergic, beta-2