Abstract
SEVERAL compounds have now been described as adrenergic β-receptor antagonists including dichloroisoprenaline1 pronethalol (‘Alderlin’)2, propranolol (‘Inderal’)3, MJ 1999 (ref. 4), and INPEA5. Propranolol is about ten times more active than the other compounds in blocking the inotropic and chronotropic actions of catecholamines6. Studies with pronethalol and propranolol have shown that adrenergic β-receptor antagonists are valuable in the treatment of various clinical disorders7–11. The use of pronethalol was restricted when it was shown to be a potential carcinogenic agent in mice12; propranolol is devoid of this action13. This communication describes some of the pharmacological properties of a new adrenergic β-receptor antagonist 1-isopropylamino-3-(3-tolyloxy)-2-propanol hydrochloride (‘I.C.I. 45,763’), selected from a series of phenoxypropanolamines synthesized by Crowther Smith and Wood14.
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SHANKS, R., WOOD, T., DORNHORST, A. et al. Some Pharmacological Properties of a New Adrenergic β-Receptor Antagonist. Nature 212, 88–90 (1966). https://doi.org/10.1038/212088a0
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DOI: https://doi.org/10.1038/212088a0
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