Recently a number of compounds resembling physiologically active substances, but having fluurine substituted for hydroxyl groups, have been prepared. Schiemann and Winkelmdller2 prepared 4-fluorophenylalanine, the analog of tyrosine, and fluorine-substituted beta- phenylethylamines similar to tyramine. Hansen3 prepared 3-fluoro-4-hydroxy-w- aminoacetophenone, an analog of adrenalone, and found it to be active, but a weaker ...
