Structure—Activity Relationships of Dopamine Receptor Agonists

  • Carl Kaiser
Part of the New Horizons in Therapeutics book series (NHTH)


Dopamine (DA*), which is chemically defined as β-(3,4-dihydroxyphenyl) ethylamine, 3-hydroxytyramine, or 5-(2-aminoethyl)-1,2-benzenediol, was first synthesized in 1910 (Mannich and Jacobsohn, 1910). At that time it was classified as a sympathomimetic amine because only its epinephrinelike actions were known (Barger and Dale, 1910). Although its formation from L-Tyr via L-DOPA was recognized (Blaschko, 1939; Holtz, 1939), DA was not identified in the mammalian organism and shown to have pharmacological actions differing from those of epinephrine until 1942 (Holtz et al., 1942). It was first shown to be present in mammalian tissue by Goodall (1950a,b, 1951). Blaschko (1957) first suggested an independent physiological role for DA in the periphery. More recently, DA has been identified as a neurotransmitter in the CNS (Carlsson et al., 1958; Carlsson, 1959; Goodall and Alton, 1968; Hornykiewicz, 1971).


Receptor Agonist Dopamine Receptor Adenylate Cyclase Dopamine Agonist Ergot Alkaloid 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Carl Kaiser
    • 1
  1. 1.Research and Development DivisionSmith Kline & French LaboratoriesPhiladelphiaUSA

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