Compounds in stemmed pyrrosia petiolosa as well as separation and purification method and application thereof
A technique for separation and purification of podophyllum, which is applied in the field of pharmacy and can solve the problems of preventing and treating diuretic and drenching stranguria with no chemical components.
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Embodiment 1
[0073] The structural formula of embodiment 1 compound
[0074] 1) The structural formula of Baba acid is:
[0075]
[0076] 2) The structural formula of kaempferol is:
[0077]
[0078] 3) The structural formula of methyl chlorogenic acid is:
[0079]
[0080] 4) The structural formula of Petiolide A(1) is:
[0081]
Embodiment 3
[0084] Example 3 Baba acid characteristics
[0085] White powder, easily soluble in dichloromethane, ethyl acetate, methanol, pyridine, insoluble in petroleum ether, developed with petroleum ether-ethyl acetate at a ratio of 3:1, TLC has a blue color under the detection of wavelength 365nm Fluorescence, heating with 10% sulfuric acid-ethanol solution to develop color, showing purple spots, and Rf=0.56, carbon spectrum, mass spectrum data obtained molecular formula C 19 h 20 o 7 , ESI-MS m / z:360[M] + ,exist 13 In C-NMR (100MHz, DMSO-d6), δ173.25, 168.67 are two carbonyl carbon signals, and δ55.82 (OCH3) is a methoxy carbon signal, 1 H-NMR (400MHz, DMSO-d 6): δ10.73 (1H, s, COOH), δ6.70 (1H, s, H-5′), 6.60 (1H, s, H-5), 3.86 (3H, s, OMe-4), 2.56 (3H, s, Me-8′), 2.48(3H, s, Me-8), 2.00(3H, s, Me-9′), 1.99(3H, s, Me-9); the crystal data are as follows: Molecular formula is C 20 h 24 o 8 , the submass is 392, the crystal system is triclinic, and the total number of unit c...
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