Preparation method of terpenoid and lignan substances in eucommia ulmoides bark or eucommia ulmoides leaves and application of terpenoid and lignan substances in preparation of senile dementia treatment drug
A technology of lignans and Eucommia leaves, applied in the preparation of organic compounds, preparation of sugar derivatives, chemical instruments and methods, etc.
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Embodiment 1
[0036] Eucommia bark or eucommia leaf terpenes in monoterpene eucommia alcohols Eucommia alcohol (eucommiol), 1-deoxyeucommiol (1-deoxyeucommiol), 1-deoxy-△4,5-eucommia alcohol (1-deoxy-△ 4,5-eucommiol), 2,3-dihydroxy-△4,5-eucommia alcohol (2,3-dihydroxyl-△4,5-eucommiol), 4′-acetyl-eucommia alcohol (4′-acetyl- eucommiol) and Eucommia glycoside A (5-hydroxyl-3,4-dihydroxymethyl-2-hydroxyethyl-cyclohex-1-enone-2″-O-β-D-glucopyranoside), wherein: Eucommia bark or Eucommia The leaf herbs are crushed into coarse powder, soaked in 60% ethanol for 1 hour, 8 times the amount of solvent is heated and refluxed for 3 times, each time for 2 hours, filtered, and the filtrates are combined. The above filtrate is concentrated under reduced pressure at 65 °C to 1.0 g raw herbs / ml , refrigerated overnight at 0-4°C, separated gel, centrifugally filtered, enriched with AB-8 macroporous adsorption resin on the filtrate, eluted with water, 25% ethanol, 40% ethanol, 60% ethanol and 95% ethanol was...
Embodiment 2
[0038] Eucommia bark or eucommia leaf terpenes in monoterpene eucommia alcohols Eucommia alcohol (eucommiol), 1-deoxyeucommiol (1-deoxyeucommiol), 1-deoxy-△4,5-eucommia alcohol (1-deoxy-△ 4,5-eucommiol), 2,3-dihydroxy-△4,5-eucommia alcohol (2,3-dihydroxyl-△4,5-eucommiol), 4′-acetyl-eucommia alcohol (4′-acetyl- eucommiol) and eucommia glycoside A (5-hydroxyl-3,4-dihydroxymethyl-2-hydroxyethyl-cyclohex-1-enone-2″-O-β-D-glucopyranosi-de).
[0039]
[0040]
[0041] Eucommia alcohol (1-deoxyeucommiol) colorless oil, molecular formula is C 9 h 16 o 4 ,ESI-MSm / z[M+H] + 189. 1 H-NMR (DMSO-d 6 , 400MHz) δ: 3.88 (1H, m, H-1), 2.52 (1H, m, H-2), 2.15 (1H, dd, J=3.2, 16.4Hz, H-5a), 2.58 (1H, dd , J=6.8, 16.4Hz, H-5b), 1.28(1H, m, H-2′a), 1.77(1H, m, H-2′b), 3.85(1H, d, J=12.5Hz, H-3'a), 4.06 (1H, d, J=12.5Hz, H-3'b), 3.97 (2H, t, H-2"), 3.47 (2H, q, H-4'); 13 C-NMR (DMSO-d 6 , 100MHz) δ: 74.8 (C-1), 52.6 (C-2), 135.4 (C-3), 137.5 (C-4), 42.3 (C-5), 34.2 (C-2′), 55.3 ( C-3...
Embodiment 3
[0048] Eucommia bark or eucommia leaf terpenoids in sesquiterpene macropilanes Eucommia phylloside A is (6R,7E,9R)-megastigma-4,7-dien-3-one-9-O-[β- D-xylopyranos-yl-(1″→6′)-β-D-glucopyranoside], eucommia leaf glycoside B is (6S,7E,9R)-megastigma-4,7-dien-3-one-9-O- [β-D-xylopyranos-yl-(1″→6′)-β-D-glucopyranoside], eucommia leaf glycoside C is (6S,9R)-megastigmane-4-ene-3-one-9-O-[ β-D-xylopyranosyl-(1″→6′)-β-D-glucopyranoside], eucommia leaf glycoside D is (6S,9S)-megastigmane-4-ene-3-one-9-O-[β-D -xylopyranosyl-(1″→6′)-β-D-glucopyranoside], wherein: Eucommia ulmoides bark or eucommia leaves medicinal materials are pulverized into coarse powder, soaked in 60% ethanol for 1 hour, and 8 times the amount of solvent is heated and refluxed for extraction 3 times, 2 hours each time, filter, and combine the filtrates. The above filtrate was concentrated under reduced pressure at 65°C to 1.0g raw medicinal materials / ml, refrigerated overnight at 0-4°C, gelatinized, centrifugally fi...
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