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    Home > Chemicals Industry > Chemical Technology > Atractylodes

    Atractylodes

    • Last Update: 2022-04-06
    • Source: Internet
    • Author: User
    Tags

    111 color

    maltose molecular formula
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    Atractylodes

    Atractylodin

    【Structural formula】


    [Molecular formula and molecular weight] C 13 H 10 O; 182.


    [Source] The dry rhizome of Atractylodes lancea (Thunb.


    【Properties】Pale yellow prismatic crystals


    This product is soluble in methanol


    Melting point: 54°C


    【Purity Check】

    TLC

    1.


    Eluent petroleum ether - acetone (9: 2)

    Check under UV light at 254nm before color development, and check under sunlight after heating 10% sulfuric acid ethanol to 105℃ for color development

    2.


    Eluent petroleum ether - ethyl acetate (8:2)

    Check the UV light at 254nm before color development, and check the high performance liquid chromatography under sunlight after heating 10% sulfuric acid ethanol to 105℃ for color development.


    Chromatographic column Agilent SB C 18 , 10um (4.


    The mobile phase methanol - water (71:29), 1ml / min

    Detection wavelength 340nm

    Differential calorimetry

    Start temperature 30℃, end temperature 100℃, heating rate 5℃/min

    【Structural identification】258,272,336,354


    3135 (C-H), 2193 (C≡C), 2120 (C≡C), 1616, 1550, 1015, 947, 940, 882


    EI-MS m/z: 182[M] +


    1 H-NMR (CDCl 3 ) δ: 7.


    13 C-NMR (CDCl 3 ) δ: 130.


    【Storage】Dry and airtight


    Related Links: Corkone

     

     

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