Isopentenyl substituted coumarin compound and preparation method and application thereof
A technology of coumarin and isopentenyl, applied in the application of antitumor drugs, the field of preparation of isopentenyl substituted coumarin compounds, can solve the problem of rare chemical components and pharmacological activities of jackfruit fruit
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Embodiment 1
[0020] Embodiment one: the preparation method of compound artoheteronin
[0021] A. The dried Jackfruit pulp (10.7kg, Hainan) was pulverized and extracted four times by cold soaking with 75% ethanol solution, each time for one week, filtered, and the filtrate was collected and concentrated under reduced pressure to obtain the ethanol extract;
[0022] B. The ethanol extract was added with distilled water to make a suspension, which was sequentially extracted with petroleum ether and ethyl acetate, and the petroleum ether extract was concentrated under reduced pressure to obtain 518.8 g of petroleum ether extract;
[0023] C. Purify the petroleum ether extract by column chromatography:
[0024] (1) The petroleum ether extraction extract was separated by silica gel column chromatography, and gradient elution was carried out with petroleum ether-ethyl acetate (volume ratios of 83:17, 68:32 and 55:45) as the eluent, and collected Petroleum ether-ethyl acetate (volume ratio 68:32)...
Embodiment 2
[0030] Embodiment two: the preparation method of compound artoheteronin
[0031] A. The dried jackfruit pulp (100.8kg, Hainan) was pulverized and then extracted four times by cold immersion in methanol, each time for one week, filtered, the filtrate was collected, and concentrated under reduced pressure to obtain a methanol extract;
[0032] B. The methanol extract was added with distilled water to make a suspension, which was sequentially extracted with petroleum ether and ethyl acetate, and the petroleum ether extract was concentrated under reduced pressure to obtain 5218.7 g of petroleum ether extract;
[0033] C. Purify the petroleum ether extract by column chromatography:
[0034] (1) Use silica gel column chromatography to separate the extract from petroleum ether, use petroleum ether-ethyl acetate (83:17, 68:32 and 55:45 by volume) as the eluent for gradient elution, and collect petroleum Ether-ethyl acetate (volume ratio 68:32) eluate;
[0035] (2) Take petroleum eth...
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