17 (15 to 16)-trans-abietane diterpenoid compound, preparation method, pharmaceutical composition and application of 17 (15 to 16)-trans-abietane diterpenoid compound
A compound, the technology of abietane, which is applied in the field of anti-tumor compounds, can solve problems such as unreported
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Embodiment 1
[0034] A 17(15→16)-transfer-abietane diterpene compound with anti-tumor effect, the chemical name is: 11,14,16-trihydroxy-6,12-dimethoxy-17(15→16 )-pifer-5,8,11,13-abietanetetraene-3,7-dione, the structure of which is shown in Formula I below:
[0035]
[0036] 1. Physical and chemical performance test of the above-mentioned compound Bracteatum B.
[0037] 1.1 Molecular structure determination
[0038] The nuclear magnetic resonance instrument used is the Bruker AVANCE III 500 type nuclear magnetic resonance instrument manufactured by Bruker Company, and the nuclear magnetic resonance uses deuterated CDCl 3 (Deuterated chloroform) reagent, the hydrogen spectrum and the carbon spectrum data of gained abietane type diterpene compound Bracteatum B are shown in the following table 1, and the results are as follows figure 1 , 2 shown.
[0039] Table 1 Hydrogen spectrum of Bracteatum B 1 H-NMR (500MHz) and carbon spectrum 13 C-NMR (125MHz) data
[0040]
[0041] Note: C...
Embodiment 2
[0047] The preparation method of the abietane type diterpene compound BracteatumB in embodiment 1 may further comprise the steps:
[0048] (1) Air-drying and pulverizing the branches of 9kg of Daqing huahua, adding to ethanol with a volume fraction of 90% for extraction, the addition is ethanol 10mL / g Daqing huahua, the extraction temperature is 70°C, leaching 3 times, 5 hours each time; filter the insoluble matter and combine the filtrates, then evaporate to dryness at low temperature and reduced pressure at a vacuum of 0.08MPa and a temperature of 45°C to obtain the extract;
[0049] (2) Mix the obtained extract and water uniformly at a mass ratio of 1:2 to make a suspension, extract 3 times with equal volume of ethyl acetate, combine the extracts, and put them at a low temperature at a vacuum of 0.08MPa and a temperature of 45°C Evaporate to dryness under reduced pressure to obtain ethyl acetate extract phase;
[0050] (3) Mix the obtained ethyl acetate extraction phase wi...
Embodiment 3
[0053] The preparation method of the abietane type diterpene compound BracteatumB in embodiment 1 may further comprise the steps:
[0054] (1) Air-dry and pulverize the branches of 9kg of Daqing, add it to ethanol with a volume fraction of 80% for extraction, the amount of addition is 20mL / g of Daqing, the extraction temperature is 65°C, and extract 3 times , 4 hours each time; filter the insolubles and combine the filtrates, then evaporate to dryness at low temperature and reduced pressure at a vacuum of 0.07MPa and a temperature of 50°C to obtain the extract;
[0055] (2) Mix the obtained extract with water at a mass ratio of 1:1 to make a suspension, extract 4 times with an equal volume of ethyl acetate, combine the extracts, and store the extract at a low temperature at a vacuum of 0.07MPa and a temperature of 50°C Evaporate to dryness under reduced pressure to obtain ethyl acetate extract phase;
[0056] (3) Mix the obtained ethyl acetate extraction phase with equal mass...
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