2,3-Dihydro-1,4-benzodioxin-2-carboximidic Acid Ethyl Ester Hydrochloride is an intermediate in the synthesis of Idazoxan Hydrochloride (I506800), which is an α-adrenoceptor antagonist; in rat brain Idazoxan is a pure antagonist and it has a selectivity for α2- over α1-receptors markedly superior to Piperoxane, Yohimbine, or Rauwolscine. Antiparkinsonian.
