CN103936812B - Lupinane type triterpene compound and pharmaceutical composition thereof are applied with it - Google Patents

Lupinane type triterpene compound and pharmaceutical composition thereof are applied with it Download PDF

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CN103936812B
CN103936812B CN201410177372.1A CN201410177372A CN103936812B CN 103936812 B CN103936812 B CN 103936812B CN 201410177372 A CN201410177372 A CN 201410177372A CN 103936812 B CN103936812 B CN 103936812B
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compound
cell
pharmaceutical composition
type triterpene
triterpene compound
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CN103936812A (en
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许刚
沈小玲
马君曾
覃济桓
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Kunming Institute of Botany of CAS
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Kunming Institute of Botany of CAS
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Abstract

Thering is provided lupinane type triterpene compound 1 and 2 or its pharmaceutical salts, take it as the pharmaceutical composition of the pharmaceutically acceptable carrier composition of effective constituent and at least one, its preparation method, and it is preparing the application in antidiabetic medicine.1 and 2 is lupinane type triterpene compound, has significant external insulin-sensitizing activity, active strong, has more advantage as antidiabetic medicine.

Description

Lupinane type triterpene compound and pharmaceutical composition thereof are applied with it
Technical field:
The invention belongs to technical field of pharmaceuticals, specifically, the lupinane type triterpene compound with anti-diabetic activity is related to, its preparation method, with the pharmaceutical composition that this compound is activeconstituents, and they treat the application in the medicine of diabetes in preparation.
Background technology:
Viburnum (Viburnum) is under the jurisdiction of Caprifoliaceae (Caprifoliaceae), and the whole world about has 200 kinds, is distributed in temperate zone and subtropical zone, Asia and South America kind more.China about has 74 kinds, is distributed widely in national each provinces and regions, with west and south most species.This platymiscium is the important medicinal and ornamental plant monoid of a class.The numerous species of Viburnum plant has pharmaceutical use, and wherein folk medicinal plants about has 43 kinds.Be mainly used in clearing heat and detoxicating, dispel rheumatism, strengthening the spleen to promote digestion, expelling parasite, kobadrin etc.Just because of there being many kinds all to have long-term Medicinal basis in this platymiscium, various countries successively expand a large amount of research work, especially in study of pharmacy to this platymiscium.Successively find from different Viburnum plants as diterpene, triterpene, lignanoid and flavones isoreactivity composition.Triterpene compound structure type is enriched, and has biological activity widely.There are no the report about lupinane type triterpene compound and activity thereof in prior art.
Summary of the invention:
The object of the invention is to provide two lupinane type triterpene compounds that separation obtains from sweet viburnum (ViburnumodoratissimumKer-Gawl.), with the pharmaceutical composition that it is activeconstituents, its preparation method, they are particularly preparing the application in antidiabetic medicine in pharmacy.
In order to realize above-mentioned purpose of the present invention, the invention provides following technical scheme:
Lupinane type triterpene compound 1 and 2 shown in following structural formula or its pharmaceutical salts,
16β-hydroxy-lup-20(29)-en-3-on-28-oicacidR 1=β-OH
26a-hydroxy-lup-20(29)-en-3-on-28-oicacidR 2=a-OH。
As described in lupinane type triterpene compound 1 and 2 or its pharmaceutical salts, wherein said pharmaceutical salts refers to pharmacy acceptable salt, with organic acid as tartrate or citric acid or formic acid or oxalic acid, or the salt formed with mineral acid example hydrochloric acid or sulfuric acid or phosphoric acid.
For preventing or treat a pharmaceutical composition for diabetes, it comprises described compound 1 or 2 or its pharmaceutical salts and the pharmaceutically acceptable carrier of at least one.
The preparation method of compound 1 and 2, with 100% acetone or alcohol or methanol solvate, cold soaking or thermal backflow lixiviate coral branch, leaf meal obtain total medicinal extract, and total medicinal extract must described compound after various positive reversed phase column chromatography and preparation are separated with half preparative HPLC.
As as described in preparation method, get coral branch, leaf, dry, with 70% acetone water at room temperature lixiviate three times after pulverizing, each 2 days, united extraction liquid, after underpressure distillation removing majority of organic solvent, hold over night, the pigment of filtering deposition, filtrate uses sherwood oil and extraction into ethyl acetate three times respectively, merge after concentrating and obtain ethyl acetate portion, used 95% dissolve with ethanol, MCI post is used to decolour, silicagel column on gained sample silica gel mixed sample after decolouring merging evaporate to dryness, the sherwood oil of (1:0-0:1) and ethyl acetate rush post in varing proportions, detect with TLC, merge identical fraction, obtain seven parts, wherein second section is through sherwood oil-chlorofonn-ethylacetate silica gel column chromatography repeatedly, use Rp-18 reversed-phase column 45%-80%MeOH:H again 2o is divided into three components, and component 2 is through SephadexLH-20 post, and chloroform: methyl alcohol=1:1 obtains compound 1, Part III silica gel mixed sample is crossed silicagel column and is divided into three components, and component 3 after SephadexLH-20 post, then obtains 2 through Rp-18 separation.
Compound 1 and 2 or the application of its pharmaceutical salts in preparation prevention or treatment diabetes medicament.
With the application of pharmaceutical composition in preparation prevention or treatment diabetes medicament that compound 1 and 2 or its pharmaceutical salts form for activeconstituents.
When the compounds of this invention 1 and 2 is used as medicine, directly can uses, or use with the form of pharmaceutical composition.This pharmaceutical composition contains 0.1 – 99%, and be preferably the compounds of this invention of 0.5 – 90%, all the other are acceptable on pharmacology, pharmaceutically acceptable carrier of and inertia nontoxic to humans and animals or vehicle.
Described pharmaceutically acceptable carrier or vehicle are that one or more are selected from solid, semisolid and liquid diluent, extra-fill material and pharmaceutical preparation assistant agent.Described effective extract or efficient part are used with the form of per weight dose.Medicine of the present invention can oral administration and mouth spray two kinds of form administrations.
Oral its solid available or liquid preparation, as pulvis, tablet, sugar coated tablet, capsule, tincture, syrup, pill etc.
Mouth spray can with its solid or liquid preparation.
Medicine of the present invention can be used for treating diabetes.
Embodiment:
Further illustrate essentiality content of the present invention with embodiments of the invention below, but do not limit the present invention with this.
Embodiment 1:
The preparation of compound 1 and 2:
Dry coral branch, leaf 4kg, with 70% acetone water (each 30 liters) at room temperature lixiviate three times after pulverizing, each 2 days.United extraction liquid, after underpressure distillation removing majority of organic solvent, hold over night, the pigment of filtering deposition, filtrate uses sherwood oil and extraction into ethyl acetate three times respectively, merge concentrated after obtain ethyl acetate portion and be about 305g.Ethyl acetate portion is used 95% dissolve with ethanol, MCI post is used to decolour, decolouring obtains sample after merging evaporate to dryness and is about 268g, silicagel column on silica gel mixed sample, the sherwood oil of (1:0-0:1) and ethyl acetate rush post in varing proportions, detect with TLC, merge identical fraction, obtain seven parts.Wherein second section is through sherwood oil-chlorofonn-ethylacetate silica gel column chromatography repeatedly, then uses Rp-18 reversed-phase column (45%-80%MeOH:H 2o) be divided into three components, component 2 obtains compound 1 (523mg) through SephadexLH-20 post (chloroform: methyl alcohol=1:1).Part III silica gel mixed sample is crossed silicagel column and is divided into three components, and component 3 after SephadexLH-20 post, then obtains 2 (565mg) through Rp-18 separation.
Compound structure is resolved:
NMR spectral data (the CDCl of table-1. compounds 1 3)
NMR spectral data (the CD of table-2. compounds 2 3cOCD 3)
Embodiment 2:
The external insulin-sensitizing activity evaluation of compound 1,2:
Medicine and reagent: DMEM substratum, foetal calf serum (FBS) and pancreatin are Gibco product, Glucose estimation kit (lot number 2012041) is Changchun Hui Li Bioisystech Co., Ltd product, CellCountingKit-8 (CCK-8) test kit is that Japanese colleague Co., Ltd. produces, dexamethasone, Regular Insulin and DMSO are Sigma product, and rosiglitazone maleate is provided by institute for drug control, Guangzhou.
Clone and cell cultures: adopt human hepatoma cell line HepG2, adipocyte that murine preadipocyte cell system 3T3-L1 induction becomes is as being evaluation model.The nutrient solution of HepG2 cell is with the addition of 10%FBS, DMEM containing 2g/L glucose, and the nutrient solution of 3T3-L1 PECTORAL LIMB SKELETON is the high pool DMEM that with the addition of 10%FBS.Cell culture condition: 37 DEG C, saturated humidity, 5% CO2gas incubator.
Drug effect: the HepG2 cell of (1) collected by trypsinisation logarithmic phase, is mixed with 5 × 10 with cell culture fluid 4the single cell suspension of individual/ml, is inoculated in 96 orifice plates by 100 μ L/ holes, cultivates 24h and makes cell completely adherent.Discard old nutrient solution, add the fresh medium that 100 μ L include 1 μM of dexamethasone and different concns medicine to be tested, continue cultivation and make drug treating time be 48h.The each drug level of this experiment sets three multiple holes, and set simultaneously not celliferous blank well, non-drug containing and dexamethasone negative control hole and containing 1 μM of dexamethasone but not containing the Positive control wells of other drug.(2) 3T3-L1 PECTORAL LIMB SKELETON cell culture fluid is mixed with 5 × 10 4the single cell suspension of individual/ml, is inoculated in 96 orifice plates by 100 μ L/ holes, is placed in incubator and makes cytogamy, changes a nutrient solution every other day.Cell is carried out adipogenic induction to break up its differentiation of 8 angels and become adipocyte, namely in the cell culture fluid containing 1 μM of dexamethasone, 0.5mM3-isobutyl--1-methyl xanthine, 10 μ g/ml Regular Insulin 2 days, containing in the cell culture fluid of 10 μ g/ml Regular Insulin 2 days, in the cell culture fluid of not drug containing 4 days, change a nutrient solution every other day.The nutrient solution changing the adipocyte after having broken up is the fresh medium that 100 μ L include 1 μM of dexamethasone and different concns medicine to be tested, continues cultivation and makes drug treating time be 48h.The each drug level of this experiment sets three multiple holes, and set simultaneously not celliferous blank well, non-drug containing and dexamethasone negative control hole and containing 1 μM of dexamethasone but not containing the Positive control wells of other drug.
Cell sugar consumption measures: take out 96 orifice plates, 10 μ L nutrient solutions are taken out in every hole, adopt the Glucose estimation kit (lot number 2012041) of Changchun Hui Li Bioisystech Co., Ltd, measure the amount remaining glucose in nutrient solution according to test kit operation instructions.According to accurately recording the concentration of glucose and the concentration of fresh medium glucose in the nutrient solution of every hole, calculate the glucose of every porocyte 48h internal consumption, and cell under drug effect is relative to the glucose consumption value RGC (%) of negative control porocyte.
Cell viability measures: take out 10 μ L nutrient solutions for 96 orifice plates after glucose assays, the CCK-8 of 10 μ L is added in every hole, take out after cultivating 1-2h in incubator, measure the absorption value A in every hole at microplate reader 450nm place, this optical density value and number of viable cells positive correlation.Can show that the cell under different concns drug effect to calculate the cell viability under different pharmaceutical concentration relative to the vigor CV (%) of control wells cell according to A value.Cell viability %=100 × (A determinand-A blank)/(A negative-A blank).
Pharmaceutical activity is evaluated: the cell viability (CV) in versus glucose consumption (RGC)/every hole in glucose consumption ability (GCA)=every hole of Board Lot viable cell.
Result: (1) HepG2 cell (insulin resistant) vigor under 1 μM of dexamethasone exists is 95% of negative control (insulin sensitivity), and glucose consumption is 82.1% (table 3) of negative control; And 3T3-L1 adipocyte (insulin resistant) vigor under 1 μM of dexamethasone exists is 100% of negative control (insulin sensitivity), glucose consumption is then 84.6% (table 4) of negative control.Illustrate that the vigor of the dexamethasone of 1 μM on cell is without impact, but the picked-up of cell to glucose can be reduced more than 15%, illustrate that dexamethasone inducing cell produces the model establishment of insulin resistant.(2) on insulin resistant HepG2 cell model, the vigor of 1 and 2 pair of cell of working concentration is without obviously suppressing (CV>90%), but cell is taken in glucose significantly increase, even exceed the negative control of insulin sensitivity, show good insulin-sensitizing effect (table 3); (3) on the 3T3-L1 adipocyte model of insulin resistant, 1 of working concentration and 2 on the vigor of cell without impact (CV>97.5%), but make the absorption ability of cell to glucose return to the level of insulin responsive cells (negative control), show the effect (table 4) of well repairing insulin sensitivity.
Table 3. compound 1 and 2 strengthens the insulin sensitivity means standard deviation (n=3) of insulin resistant HepG2 cell
Table 4. compound 1 and 2 repairs the insulin sensitivity means standard deviation (n=3) of insulin resistant 3T3-L1 adipocyte
Compare with the negative control of insulin sensitivity, data have significant difference: p<0.05and ▲ ▲p<0.01;
Compare with the model comparison of insulin resistant, data have significant difference: * P<0.05, * * P<0.01and***P<0.001.
Conclusion: compound 1 and 2 has the effect of obvious external enhancing insulin sensitivity.
Embodiment 3:
Obtain compound 2 by embodiment 1, add vehicle in itself and excipient weight than the ratio of 1:1, pelletizing press sheet.
Embodiment 4:
Obtain compound 2 by embodiment 1, add vehicle in itself and excipient weight than the ratio of 1:2, pelletizing press sheet.
Embodiment 5:
Obtain compound 2 by embodiment 1, capsule preparations method makes capsule routinely.
Embodiment 6:
Obtain compound 2 by embodiment 1, then make tablet as follows:
Embodiment 7:
Capsule: compound 2100mg
Starch is appropriate
Magnesium Stearate proper quantity
Preparation method: mix 2 with auxiliary agent, sieves, Homogeneous phase mixing in suitable container, and the mixture obtained is loaded hard gelatin capsule.
Embodiment 8:
Preparation method: at every turn add a kind of composition under stirring in the double distilled water of proper volume, separates until completely dark, and then adds another kind of composition.After adding water to 2ml, this solution is filtered on sterilizing filter, to load in bottle and to separate according to suitable dosage.
Embodiment 9:
Dripping pill: compound 1 or 21g
Polyethylene glycol 6000 9g
Method for making: the preparation of compound 1 or 2 and polyethylene glycol 6000 fused solution: take 1 or 2 by above-mentioned recipe quantity, add appropriate dehydrated alcohol, after low-grade fever is dissolved, add (60 DEG C of water bath heat preservations) in the polyoxyethylene glycol fused solution of recipe quantity, be uniformly mixed, till ethanol is waved to the greatest extent, be statically placed in 60 DEG C of water-baths and be incubated 30 minutes, treat that bubble eliminates, then the above-mentioned mixing fused solution eliminating bubble is proceeded in liquid storage cylinder, under the condition of insulation 80-85 DEG C, control to drip speed, instill dropwise in phlegma, complete Deng condensation, incline phlegma, collect dripping pill, drop is clean and remove the phlegma on ball with filter paper, place in silica gel drier or seasoning.

Claims (2)

1. the application of the lupinane type triterpene compound 1 and 2 shown in following structural formula in preparation prevention or treatment diabetes medicament,
2. comprise the compound 1 described in claim 1 or/and 2 and the pharmaceutically acceptable carrier of at least one pharmaceutical composition preparation prevention or treatment diabetes medicament in application.
CN201410177372.1A 2014-04-29 2014-04-29 Lupinane type triterpene compound and pharmaceutical composition thereof are applied with it Active CN103936812B (en)

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CN106397623A (en) * 2016-10-12 2017-02-15 重庆大学 Rapid preparation method of polygonum multiflorum decolorizing polysaccharide
CN111000849A (en) * 2019-12-19 2020-04-14 淮阴师范学院 Application and product of lupeol DYC-6

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Chemical Studies on Viburnum awabuki K. KOCH;MASANORI KUROYANAGI et al.,;《Chem. Pharm. Bull.》;19861231;第34卷(第10期);第4014页chart 2以及第4016页第2段 *
Cytotoxic lupane-,secolupane-,and oleanane-type triterpenes from Viburnum awabuki;ALI A. EL-GAMAL;《Natural Product Research》;20080215;第22卷(第3期);第192页第1段以及第194页第3段 *
忍冬属植物三萜皂苷类化学成分研究进展;陈雨 等;《中草药》;20130628;第44卷(第12期);第1679-1686页 *

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