Δ2,3'(2'H,3H)-ビ[1H-インドール]-2',3-ジオン

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Warning

• 危険有害性情報

  H315：皮膚刺激

  H319：強い眼刺激

  H335：呼吸器への刺激のおそれ

• 注意書き

  P264：取扱い後は皮膚をよく洗うこと。

  P264：取扱い後は手や顔をよく洗うこと。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  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。

  P321：特別な処置が必要である（このラベルの．．． を見よ）。

  P332+P313：皮膚刺激が生じた場合：医師の診断/手当てを受けるこ と。

  P362：汚染された衣類を脱ぎ、再使用す場合には洗濯をすること。

Δ2,3'(2'H,3H)-ビ[1H-インドール]-2',3-ジオン 価格

Δ2,3'(2'H,3H)-ビ[1H-インドール]-2',3-ジオン 化学特性,用途語,生産方法

• 外観

  赤色～暗い赤色～濃い紫色粉末～結晶

• 説明

  A further alkaloid isolated from the matured fruit of Couroupita guianensis, this base forms red crystals from EtOH and melts above 340°C. It forms the Nacetyl derivative, m.p. 186°C. The full structure has not yet been established.

• 物理的性質

  Appearance: dark red acicular crystal with sublimate, odorless, and tasteless. Solubility: slightly soluble in dimethyl sulfoxide (DMSO) or tetrahydrofuran, very slightly soluble in chloroform or acetone, and insoluble in ethanol, ethyl ether, or water. Melting point: 348–353 °C. The stability of indirubin is poor that it needs to be stored away from light and thermal environment.

• 来歴

  The report in 1951 showed that indirubin can inhibit eosinophils in the blood of guinea pigs. But this report did not attract attention. Indirubin is the effective component of the traditional Chinese medicine Angelica aloe pill. Since 1966, the scientists in the Institute of Hematonosis, Chinese Academy of Medical Sciences Research, started the research of therapying chronic myelocytic leukemia with the TCM rules using Angelica aloe pills, which had certain effect. Angelica aloe pill consisted of 11 herbs, such as Angelica, Aloe, Rhizoma Coptidis, and natural indigo. It was identified that natural indigo was the effective component of Angelica aloe pill. However, the active ingredient of natural indigo was indirubin.
  Indirubin is a novel antileukemia drug, which was found by the medical scientists in China in the middle of the 1970s. It has the effects of antibacterial, antiinflammatory, antitumor, and enhancing immune functions. The compound has been applied to the clinical treatment of chronic myeloid leukemia. Indirubin has the characteristics of reliable clinical curative effect, small side effects, and no obvious inhibitory effect on the bone marrow.

• 適応症

  Indirubin is contained in the fourth volume of the book, “National standards for chemical drugs.”
  Indirubin tablets are used for the therapy of chronic myelocytic leukemia in clinical.

• 一般的な説明

  This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

• 薬理学

  The effect of indirubin has anti-inflammatory, antibacterial, detoxification, enhancing immune function anticancer. Indirubin has moderate inhibitory effect for animal-transplanted tumor. 200? mg/kg indirubin subcutaneous or intraperitoneal injection, once daily for 6 consecutive days, had the inhibition effect to rat W256 tumor cancer sarcoma; the inhibition rates were 47–52% and 50–58%, respectively. The chemotherapy index of intraperitoneal injection was 2.23. However, the inhibition rate of 500?mg/kg indirubin by gavage was only 23–33%. Indirubin by perfusion can prolong the survival time of W526 rat. The inhibition rate of Lewis mice’s lung cancer was 43% for 500?mg/kg indirubin orally, once a day for 9–10?days. Indirubin has some inhibition effects on mice breast cancer, but no obvious effect for L1212, P388, and L1210 of lymphocytic leukemia in mice.
  The effect of indirubin on chronic myelogenous leukemia is very obvious, which is similar to first clinical choice of Maryland. Indirubin has the advantages of fast curative effect, no obvious inhibition effect of the bone, small bone marrow toxicity, and low side effects. Indirubin may have the effect of improving adrenocorticotropic hormone. In pathological conditions, such as inflammatory diarrhea, protein metabolism disorder, kidney disease, leukemia, and other tumors, urinary excretion of indirubin increased. Indirubin can inhibit synthesis of DNA and destroy the leukemia cells. It was found by electron microscopy that juvenile cells reduced, even disappear completely, with indirubin administration. Indirubin can significantly reduce the size of spleen, increase the concentration of hemoglobin to normal level, and reduce the swelling liver. In addition, indirubin can also enhance the phagocytic ability of animal mononuclear macrophages, which play a role in body immune reaction. So the anticancer effect of this product may be related to improving the body’s immunity.

• 臨床応用

  Indirubin is mainly used for chronic myeloid leukemia; its total effective rate was 87.3%. The effect of indirubin to decrease white blood cells is similar to Maryland. The effect of indirubin to reduce liver is better than that of Maryland. But the remission role of the blood and bone marrow is worse than Maryland, and no cross resistance with Maryland. Indirubin could be used for abnormal bone marrow hyperplasia and eosinophilia.

• 参考文献

  Sen, Mahato, Dutta, Tetrahedron Lett., 609 (1974)

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