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WITH REFERENCE TO THEIR EFFECTS ON THE PUPIL AND ON THE BLOOD PRESSURE

K. K. CHEN, Ph.D.

Arch Intern Med. 1927;39(3):404-411.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Previously Dr. Meek and I¹ made a comparative study of ephedrine, tyramine and epinephrine, with special reference to the circulation, and made the assertion that the stability of ephedrine to physical and chemical agents, and that its persistence of systemic action when taken by mouth, are chiefly caused by the absence of the hydroxyl group in the benzene ring. A similar opinion is also shared by Kendall of the Mayo Clinic.² If, however, this were the only factor, the same would be expected to hold for β-phenyl-ethylamine, C₆H₅,CH₂,CH₂,NH₂, and an identical effect expected from pseudo-ephedrine, which has the same structural formula but an opposite optical rotation (Dextrorotatory)— both of them being devoid of phenolic hydroxyls. The present study is undertaken to test whether or not this assumption is true by comparing the mydriatic action of these three amines in animals and in man, and their pressor action in dogs and . . . [Full Text PDF of this Article]

Author Affiliations
MADISON, WIS.

From the Departments of Medicine and Pharmacology, University of Wisconsin.

Footnotes
This investigation has been made with the assistance of a grant from the Committee on Therapeutic Research, Council on Pharmacy and Chemistry, American Medical Association.

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