ヨウ化メトクリン

ヨウ化メトクリン 化学特性,用途語,生産方法

• 効能

  骨格筋弛緩薬, 神経筋遮断薬

• 使用

  Neuromuscular blocking agent.

• 一般的な説明

  Metocurine iodide, ( )-O,O -dimethylchondrocurarine diiodide (Metubine iodide),is prepared from natural crude curare by extracting the curarewith methanolic potassium hydroxide. When theextract is treated with an excess of methyl iodide, the ( )-tubocurarine is converted to the diquaternary dimethylether and crystallizes out as the iodide (see “TubocurarineChloride”). Other ethers besides the dimethyl ether havebeen made and tested. For example, the dibenzyl ether wasone third as active as tubocurarine chloride, and the diisopropylcompound had only one half the activity. For comparison,the dimethyl ether has approximately 4 times theactivity of tubocurarine chloride.
  The pharmacological action of this compound is the sameas that of tubocurarine chloride, namely, a nondepolarizingcompetitive blocking effect on the motor end plate of skeletalmuscles. It is considerably more potent than d-tubocurarine,however, and has the added advantage of exerting much lesseffect on respiration. The effect on respiration is not a significantfactor in therapeutic doses. Accidental overdosage iscounteracted best by forced respiration.

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7601-55-0, ヨウ化メトクリン キーワード