スコポラミン

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Danger

• 危険有害性情報

  H317：アレルギー性皮膚反応を起こすおそれ

  H318：重篤な眼の損傷

• 注意書き

  P260：粉じん/煙/ガス/ミスト/蒸気/スプレーを吸入しないこ と。

  P262：眼、皮膚、衣類につけないこと。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P305+P351+P338：眼に入った場合：水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。

スコポラミン 価格

スコポラミン 化学特性,用途語,生産方法

• 解説

  スコポラミン，油状物質．[α]_D－28°(水)．一水和物は融点59 ℃．熱湯，エタノール，エーテル，クロロホルムに易溶．医薬としては，臭化水素酸塩(C17H22BrNO4，融点195 ℃)を用いる．口内乾燥，興奮，言語障害，放尿困難などの中毒作用をもつ．弱く加水分解するとトロパ酸とスコピンになる．

  森北出版「化学辞典（第2版）
  

• 用途

  抗コリン薬気管支平滑筋の収縮を抑制する喘息治療薬

• 発生

  ヒオスシンともいう．種々のナス科に含まれるトロパンアルカロイドの一つ．とくにチョウセンアサガオDatura，ハシリドコロScopolia，ヒヨスHyoscyamusなどに多く含まれているスコポラミン．

• 作用

  抗コリン作用をもち，アトロピンと同様に，散瞳(どう)作用があり，乗物酔いを防ぎ，またパーキンソン病の治療薬となる．

• 効能

  散瞳薬, ムスカリン受容体拮抗薬

• 説明

  Scopolamine is a type of alkaloid that exists in a variety of Solanaceae plants such as Scopolia japonica, Datura metel L., and so on. It is the main active ingredient in these plants.
  Apart from scopolamine, several other chemical ingredients also exist in Scopolia japonica, including hyoscyamine, anisodamine, anisodine, and so on. Hyoscyamine is an inhibitor of parasympathetic nerve, with the analgesic and antispasmodic functions, especially for sciatica, sometimes for the treatment of epilepsy, seasickness, etc., and its pharmacological effects are similar to atropine. However, its clinical application is less because of its toxicity. The clinical applications of anisodamine are treating infectious toxic shock, vascular disorders, various neuralgia, smooth muscle spasms, vertigo, fundus disorders and sudden deafness, and other diseases. It has definite curative effect and is widely used in clinical in China. Its synthetic product is called “654-2,” which now still is an effective drug to treat infectious shock and other vascular diseases. While anisodine is used to treat vascular headache, retinal vasospasm, ischemic optic neuritis, cerebrovascular disease, acute paralysis, central dysfunction caused by carbon monoxide poisoning, tremor, paralysis, bronchial asthma, motion sickness, organophosphorus pesticide poisoning, and so on .

• 化学的特性

  White or almost white, crystalline powder or colourless crystals.

• 物理的性質

  Appearance: a kind of viscous liquid, brown color. Solubility: soluble in ethanol, ethyl ether, chloroform, acetone, and water, very soluble in hot water, slightly soluble in benzene and petroleum ether, and also soluble in cold water. It can generate various crystals with multiple inorganic or organic acids. Melting point: 59±1.0?°C

• 来歴

  Scopolamine is the main active ingredient of Scopolia japonica, Datura metel L., and other Solanaceae plants. As early as 1892, the chemist E.?Schmidt first isolated it from the Scopolia japonica, so named it as scopolamine. Due to its obvious deficiencies in solubility and usage, the researchers modified its structure as scopolamine butylbromide, which was synthesized and used scopolamine and bromo-n-butane with heating refluxing method. Preparation method of scopolamine butylbromide is simple, and it’s easy to be synthesized. There are about 170 domestic enterprises producing its raw materials currently.
  European Pharmacopoeia (9th ed.), United States Pharmacopeia (36), and the Japanese Pharmacopoeia (16th ed.) contained bromine scopolamine; British Pharmacopoeia (2015) contained the raw materials and preparations of scopolamine butylbromide, including tablets and injections. Pharmacopoeia of the People’s Republic of China (2015) contained its raw materials, injection, and capsules.

• 使用

  Scopolamine is used for practically the same indications as atropine, but it should be noted that it has a sedative effect on motor activity, and it is recommended for the treatment of Parkinsonian symptoms.

• 定義

  ChEBI: A tropane alkaloid that is the (S)-tropic acid ester of 6beta,7beta-epoxy-1alphaH,5alphaH-tropan-3alpha-ol.

• 世界保健機関（WHO）

  Scopolamine, an alkaloid with anticholinergic activity extracted from solanaceous plants, was introduced into medicine in 1888. It is used as a mydriatic, as an anti-emetic for the control of motion sickness, and for premedication in general anaesthesia. Shortly after their introduction in the early 1980's, transdermal delivery systems containing scopolamine that were indicated for the prevention of motion sickness were associated with visual disorders (e.g. mydriasis, glaucoma) and hallucinations. The action taken in Norway is in accordance with the legislation in several other countries where these preparations have always been subjected to prescription control.

• 一般的な説明

  Scopolamine (hyoscine) is found in variousmembers of the Solanaceae (e.g., H. niger, Duboisia myoporoides,Scopolia spp., and Datura metel). Scopolamineusually is isolated from the mother liquor remaining from theisolation of hyoscyamine.
  Hyoscine is the older name for this alkaloid, althoughscopolamine is the accepted name in the United States.Scopolamine is the levo component of the racemic mixturethat is known as atroscine. The alkaloid is racemized readilyin the presence of dilute alkali.
  The alkaloid occurs in the form of a levorotatory, viscousliquid that is only slightly soluble in water but very solublein alcohol, chloroform, or ether. It forms crystalline saltswith most acids, with the hydrobromide being the most stableand the most popularly accepted. An aqueous solution ofthe hydrobromide containing 10% mannitol is said to be lessprone to decomposition than unprotected solutions.

• 薬理学

  Scopolamine butylbromide, a modified scopolamine, is a peripheral anti-choline drug; it not only can smooth muscle spasm but also block the ganglion and neuromuscular junction and has the weak effect on center. This drug has stronger effects on intestinal smooth muscle spasm than atropine and anisodamine; it can selectively relieve gastrointestinal tract, biliary tract, and urinary tract smooth muscle spasm and inhibit its peristalsis. Scopolamine butylbromide has less effects on the heart, pupil, and salivary gland, so it rarely induces central nervous excitement, dilation, inhibition of saliva secretion, and other adverse reactions, which is unlike atropine.
  Scopolamine butylbromide is an antagonist of the M cholinergic receptor, its pharmacological effects are similar to atropine, but it has its own characteristics that have an obvious advantage in improving blood microcirculation.
  Oral absorption of scopolamine butylbromide is not easy. It produces efficacy at 2–4?min after intravenous injection, 8–10?min after subcutaneous or intramuscular injection, and 20–30? min after oral administration, which could maintain about 2–6?h .

• 臨床応用

  The commercially available transdermal system of scopolaminecomprises an outer layer of polymer film and a drug reservoircontaining scopolamine, polyisobutylene, and mineral oil, which is interfaced with a microporous membrane tocontrol diffusion of the drug. In this dosage form, scopolamineis effective in preventing motion sickness. The actionis believed to be on the cortex or the vestibular apparatus.Whereas atropine stimulates the CNS, causing restlessnessand talkativeness, scopolamine usually acts as a CNSdepressant.

• 安全性プロファイル

  Poison by intravenous, intraperitoneal, and subcutaneous routes. Moderately toxic by ingestion. Human systemic effects from very small amounts by subcutaneous and intramuscular routes: changes in surface EEG, dstorted perceptions, excitement, hallucinations, and mydriasis. It can cause the individual who is affected to lose a certain amount of his normal inhibitory control. It is for that reason that it has been called “truth serum.” An experimental teratogen. Experimental reproductive effects. Human mutation data reported. In many cases of poisoning from ths material, and even to a certain extent following its medcal application, there is retention of the urine caused by paralysis of the bladder, and catheterization is necessary. The fatal dose is variable. Death has occurred from as little as 0.6 mg, whde recovery has occurred from doses of 7-1 5 mg. An anticholinergc drug. When heated to decomposition it emits highly toxic fumes of NOx. See also ESTERS

• 代謝

  It is almost completely metabolized in the liver and is excreted via the kidneys. Its elimination half-life is approximately 8 hours.

• 純化方法

  Crystallise it from *benzene/pet ether, EtOH or H2O. It is polymorphic with m 165-166o and 190-191o. The racemate has m 56-57o (H2O), 37-38o (2H2O), syrup (anhydrous), l and d isomers can separate as syrups when anhydrous. [Beilstein 27 H 99, 102, 27 I 247-248, 27 II 43-44, 27 III/IV 1790.]

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