Alpha-mangostin derivative and application thereof in preparation of metabolic syndrome resistant medicine
A technology for metabolic syndrome and mangostin, applied in the application field of treatment or prevention of metabolic syndrome, to achieve a clear effect of the drug
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Embodiment 1
[0028] Preparation of 3,6-diangeloyl-α-mangostin
[0029] (1) Add 2galpha-mangostin into 250mL acetonitrile, dissolve and clarify after ultrasonication, then add 3g cesium carbonate solid, the solution becomes turbid. Then add 5mL of angelic anhydride, stirring and monitoring at room temperature. After the reaction substrate has completely reacted, stop the reaction, add 150 mL of dichloromethane, and then add 150 mL of purified water to extract 3 times, combine the organic phases and concentrate.
[0030] (2) Take 1.5g of the product obtained in step (1) and add it to 150mL of absolute ethanol, heat it in a water bath at 60°C until it dissolves and becomes clear, leave it at room temperature for 8 hours to crystallize, filter and dry to obtain 1.28g of yellow needle crystals, the yield is 85.3%, and the purity is 99.6% (HPLC).
[0031] The NMR results are as follows:
[0032] 1 H-NMR (400MHzinCDCl3): 6.64 (1H, s, H-4), 7.17 (1H, s, H-5), 13.44 (1H, s, C1-OH), 3.75 (3H, s,...
Embodiment 2
[0035] Effects of 3,6-Diangeloyl-α-Mangostin on Rats with Experimental Metabolic Syndrome
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