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    Ferulic acid

    • Last Update: 2022-06-06
    • Source: Internet
    • Author: User
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    Ferulic acid

    Ferulic acid

    【Structural formula】

    [Molecular formula and molecular weight] C 10 H 10 O 4 ; 194.
    18

    [Source] Umbelliferae Angelica sinensis (Oliv.
    ) Diels dry roots

    .

    【Properties】Colorless needle-like crystals
    .

    This product is soluble in water, ethanol , ethyl acetate ; ether soluble, petroleum ether , benzene insoluble

    Melting point: 170~172℃
    .

    【Purity Check】

    TLC

    1.
    Thin layer plate silica gel G

    Developing agent benzene- glacial acetic acid -methanol (30:1:3)

    Check under UV lamp (366nm)

    2.
    Thin layer plate silica gel G

    Developing agent benzene-ethyl formate-formic acid (6:3.
    5:0.
    5)

    Check under UV lamp (366nm)

    High performance liquid chromatography

    Chromatographic column Agilent SB C 18 , 10um (4.
    6mm×250mm)

    Mobile phase methanol-1% glacial acetic acid (40:60) lml/min

    Detection wavelength 316nm

    【Structural identification】314,289,216
    .

    3437 (-OH), 3016 (-Ar), 1692 (C=O), 1620, 1600, 1517, 1433, 1277 (CO), 1205, 1177, 1036, 853, 804
    .

    ESI-MS m/z: 194[M+H] +
    .

    1 H-NMR (CD 3 OD) δ: 3.
    87 (3H, s, 3-OCH
    3 ), 4.
    89 (1H, s, 4-OH), 6.
    28 (1H, d, J=15.
    76 Hz, 9-H), 6.
    79(1H,d,J=8.
    24Hz,5-H), 7.
    03(1H,d,J=8.
    24Hz,6-H), 7.
    15(1H,d,J=8.
    4Hz,2-H), 7.
    57( 1H, d, J=15.
    76Hz, 10-H)

    .

    13 C-NMR (CD 3 OD) δ: 128.
    25(C-1), 116.
    93(C-2), 150.
    93(C-3), 149.
    79(C-4), 116.
    35(C-5), 112.
    13(C- 6), 56.
    89 (C-7), 147.
    42 (C-8), 124.
    46 (C-9), 171.
    47 (C-10)

    .

    【Storage】Dry and airtight
    .

    Related link: Bai Qiu Li Alcohol

     

     

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