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药物的沸点、极性

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  • 氢氯噻嗪、苄氟噻嗪、美托拉宗的沸点还有极性,如果可以的话还有气相色谱质谱的分析方法。
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  • sunka5724

    第1楼2020/02/05

    美托拉宗
    Properties: Crystals from ethanol or butanol, mp 252-254°. LD50 in mice (mg/kg): >5000 orally; >1500 i.p. (Shetty, 1967).
    苄氟噻嗪
    Properties: Crystals from dioxane, mp 224.5-225.5° (U.S. patent). Also reported as mp 221-223° (Holdrege). uv max (methanol): 208, 273, 326 nm (E1%1cm 745, 565, 96). Insol in water, chloroform, benzene, ether. Sol in acetone, alcohol.
    氢氯噻嗪
    Properties: Crystals, mp 273-275°. uv max (methanol + trace HCl): 317, 271, 226 nm (A1%1cm 130, 654, 1280). pKa 7.9, 9.2. Sol in dil ammonia, or sodium hydroxide; also sol in methanol, ethanol, acetone. Practically insol in water. LD50 in mice (mg/kg): 590 i.v.; >8000 orally (Piala).
    只找到熔点及部分溶解性,望有用。

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