Novel withanolides compound, novel withanolides compound preparation method and medical application of novel withanolides compound
A compound and composition technology, applied in the field of new withanolide compounds and their preparation, can solve the problems of few literature reports on pharmacological activity research and the like
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Embodiment 1
[0027] Example 1: Compound (I) Separation Preparation and Structure Confirmation
[0028] Sources of medicinal materials and reagents: ethanol, petroleum ether, ethyl acetate, n-butanol, and dichloromethane are analytically pure, purchased from Shanghai Lingfeng Chemical Reagent Co., Ltd. Methanol, analytically pure, are purchased from Jiangsu Hanbang Chemical Reagent Co., Ltd. The dried roots of Dongfengju were purchased from the Chinese herbal medicine market in Bozhou, Anhui Province, and were produced in Fujian.
[0029] Preparation method: (a) The dry root (8kg) of Dongfeng orange is crushed to the size of mung bean, extracted with 70% ethanol under hot reflux (25L×3 times), the extracts are combined, concentrated to no alcohol smell (6L), and sequentially washed with petroleum ether (6L×3 times), ethyl acetate (6L×3 times) and water-saturated n-butanol (6L×3 times) were extracted and concentrated to obtain petroleum ether extract, ethyl acetate extract (315g) and n-butan...
Embodiment 2
[0031] Embodiment 2: compound (I) pharmacological action test
[0032] 1. Materials and Instruments
[0033] DMEM / F12 high glucose culture medium was purchased from Beijing Hyclone Company. The improved RPMI-l640 medium was purchased from Beijing Hyclone Company. Standard fetal bovine serum was purchased from Tianjin TBD Company. CCK-8 cell viability assay reagents were purchased from Tongjin Chemical Research Institute, Japan. AnnexinV-FITC / PI apoptosis detection kit was purchased from Shanghai Yanbin Chemical Technology Co., Ltd. JC-1 mitochondrial membrane potential probe was purchased from Jiangsu Biyuntian Biotechnology Research Institute. Dimethylsulfite (DMSO) and phosphate buffered saline (PBS) were purchased from Sigma.
[0034] -70°C low-temperature refrigerator (Forma Scientific Inc., the United States), electronic balance (Shimadzu AEL-200 type, Japan), ultra-clean workbench (SW-CJ-IC type, Suzhou), constant temperature oscillator (THZ-C type, Domestic), high...
Embodiment 3
[0057] Preparation of tablets: firstly prepare compound (I) according to the method of Example 1, and utilize organic acids such as tartaric acid, or citric acid, formic acid or oxalic acid, etc., inorganic acids such as hydrochloric acid or sulfuric acid or phosphoric acid to make salts, according to its The weight ratio of the excipient to the excipient is 1:9, and the excipient is granulated and compressed into tablets.
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