Syrosingopine (O-Carbethoxysyringoyl methylreserpate) の中枢,その他に対する作用

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タイトル別名
  • Pharmacological studies on syrosingopine
  • Syrosingopin O-carbethoxysyringoyl methylreserpate ノ チュウスウ , ソノタ ニ タイスル サヨウ

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The effects on the central nervous system as well as other actions of syrosingopine were studied and compared with those of reserpine and rescinnamine. These rauwolfia alkaloids exhibited inhibitory effects on gross behavior, locomotor activities and conditioned avoidance response, and elicited cataleptic, muscle relaxant and gastric ulcerating effects. The alkaloids revealed a drowsy pattern in the spontaneous EEG activity and depressed the EEG arousal response. In those central actions, reserpine was the best, rescinnamine next and syrosingopine least, in that diminishing order of potency. Syrosingopine prolonged the hypnotic effect of thiopental sodium and this action was weaker than that of reserpine. Reserpine inhibited the analgesic effect of morphine, while syrosingopine did not. Syrosingopine excited slightly the movement of intestine but did not influence movement of the uterus. The stellate ganglionic transmission was slightly inhibited but the electrocardiogram was not influenced by syrosingopine. These alkaloids had similar potency in the depressor and negative chronotropic effect, although they showed a different potency in their central actions.

収録刊行物

  • 日本薬理学雑誌

    日本薬理学雑誌 69 (4), 499-521, 1973

    公益社団法人 日本薬理学会

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