CN106749147A - Hypoglycemics and preparation method thereof, purposes - Google Patents

Hypoglycemics and preparation method thereof, purposes Download PDF

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Publication number
CN106749147A
CN106749147A CN201611092637.3A CN201611092637A CN106749147A CN 106749147 A CN106749147 A CN 106749147A CN 201611092637 A CN201611092637 A CN 201611092637A CN 106749147 A CN106749147 A CN 106749147A
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bibenzyl
aglaia odorata
extract
aglaia
odorata
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CN201611092637.3A
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CN106749147B (en
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毛水春
巨康璐
张毅
李佳
郭跃伟
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Xiamen Tasman Bio Tech Co ltd
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Nanchang University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Medicinal Preparation (AREA)

Abstract

The present invention relates to pharmaceutical technology field, it is related to extract new natural drug isolated, with function of blood sugar reduction from Chinese dark green Aglaia odorata Aglaia abbreviata C.Y.Wu blades, the medicine is Bibenzyl compound bibenzyl Aglaia odorata element B (aglaiabbrevin B).External PTP1B suppresses experiment and shows, compound for protein TYR esterase 1B (PTP1B) has certain inhibitory activity, therefore pharmaceutical preparation is can be made into as PTP1B inhibitor, for treating diabetes, obesity and its complication, it is also possible to which manufacture is beneficial to the health food of diabetic or obese patient.

Description

Hypoglycemics and preparation method thereof, purposes
Technical field
The present invention relates to pharmaceutical technology field, relate in particular to a kind of isolated from Chinese dark green Aglaia odorata blade , new Bibenzyl compound bibenzyl Aglaia odorata element B (aglaiabbrevin A) with hypoglycemic effect.The invention further relates to The compound can be used to prepare PTP1B inhibitor, it can also be used to prepare treatment diabetes, the medicine of obesity and its complication or Health food.
Background technology
Diabetes (diabetes mellitus) be one group caused by h and E factor interaction it is clinical comprehensive Close disease.At present, diabetes are typically divided into two classes, I- patients with type Ⅰ DM (insulin-dependent diabetes mellitus, insulin- Dependent diabetes mellitus, IDDM) and II- patients with type Ⅰ DM (Non-Insulin Dependent Diabetes Mellitus, non- Insulin-dependent diabetes mellitus, NIDDM).90% above is II- patients with type Ⅰ DM in diabetes.
The characteristics of II- patients with type Ⅰ DM is that insulin sensitive tissues such as skeletal muscle, liver, adipose tissue are supported to insulin action It is anti-.Protein-tyrosine-phosphatase (PTPases) GAP-associated protein GAP tyrosine phosphatase in insulin action path in statocyte Effect in change level is increasingly taken seriously, the new way as treatment II- patients with type Ⅰ DM.PTPase includes big nation's cross-film (receptor type) and intracellular (non-receptor type) enzyme, participates in a series of important life processes of regulation and control.At present, it is logical in insulin to PTPase In road acceptor or acceptor metasomite influence Normal insulin effect research, be concentrated mainly on LAR-PTPase, SHPTP-2, PTP1B。
PTP1B is first certified protein-tyrosine-phosphatase (protein tyrosine Phosphatase), the experiment on mice rejected by PTP1B shows that PTP1B is acylated by the dephosphorization to insulin receptor, and then Very important effect is played in regulation insulin sensitivity and fat metabolic process.Thus, it is selective, high activity PTP1B inhibitor has important value in the treatment of II- patients with type Ⅰ DM, obesity and its complication.
The content of the invention
The present invention be extracted from Chinese dark green Aglaia odorata (A.abbreviata) blade it is isolated, with hypoglycemic New Bibenzyl compound bibenzyl Aglaia odorata element B (aglaiabbrevin A) of effect.Show through pharmacological testing research, the chemical combination Thing has certain inhibitory activity to protein tyrosine phosphate 1B (PTP1B).
Therefore, it is an object of the present invention to provide new Bibenzyl compound bibenzyl Aglaia odorata element B.
It is a further object to provide the preparation method of the bibenzyl Aglaia odorata element B.
The further object of the present invention is to provide the purposes of the bibenzyl Aglaia odorata element B.Specifically, the bibenzyl rice is young Applications of the orchid element B in the medicine for preparing protein-tyrosine-phosphatase 1B (PTP1B) inhibitor, is further preparing treatment sugar Application in the medicine or health food of urine disease, obesity and its complication.
First purpose of the invention, the present invention is found that a new bibenzyl from dark green Aglaia odorata blade first Class compound bibenzyl Aglaia odorata element B, its chemical constitution is as follows:
Second purpose of the invention, the present invention provides the preparation method of the bibenzyl Aglaia odorata element B, and it is from green It is isolated in green Aglaia odorata blade, comprise the following steps that:
1) extract medicinal extract is prepared
Dark green Aglaia odorata (A.abbreviata) the blade ethanol routinely seepage pressure effects that will be crushed, obtain extract solution, will Extract solution is concentrated under reduced pressure to reclaim ethanol, obtains CE;
2) isolate and purify
(1) above-mentioned CE is dispersed in water into suspension, suspension is used into petroleum ether, ethyl acetate and positive fourth successively Alcohol is extracted, and the concentration of gained extract respectively obtains petroleum ether and extracts medicinal extract, ethyl acetate extraction medicinal extract and n-butanol extraction medicinal extract;
(2) ethyl acetate extraction medicinal extract is carried out into silica gel column chromatography, with petroleum ether/acetone gradient elution, is developed the color according to TLC Merge similar stream part and obtain 4 components A, B, C, D;Wherein component B is petroleum ether/acetone volume ratio 8:2 and 7:3 elution fractions are passed through Sephadex LH-20 gel filtration chromatographies, chromatographic column specification:4.0 (diameter) cm × 120 (length) cm;Sephadex LH-20 coagulate Glue dry weight:150g, with methylene chloride/methanol volume ratio 1:1 wash-out, merges similar stream part and obtains 6 components according to TLC colour developings (B1-B6);Component B5, i.e. methylene chloride/methanol volume ratio 1:1 elution volume is 170~210mL elution fractions, then through preparing Type HPLC, with acetonitrile/water 75:25 volume ratios are eluted, and obtain the compounds of this invention bibenzyl Aglaia odorata element B;
Step (1) is prepared in extract medicinal extract step, and the ethanol for using that extracts is 95% ethanol;
In (2) step is isolated and purified, the concentration of petroleum ether/acetone gradient elution is followed successively by volume ratio 100:0、90:10、 80:20、70:30、50:50、30:70 and 0:100;
The chromatographic column filler of the preparation HPLC is RP-18.
3rd purpose of the invention, PTP1B suppression is being prepared the invention provides the bibenzyl Aglaia odorata element B Agent, diabetes medicament, the purposes of obesity drug.And prepare use for diabetic or obese patient's health food On the way.
In order to reach application purpose, tablet, capsule can be made, granule, oral liquid, sustained release preparation, controlled release preparation, received The form such as metric system agent or injection.
The present invention has carried out external PTP1B to gained bibenzyl Aglaia odorata element B and has suppressed experiment, as a result shows the compound pair PTP1B has certain inhibitory activity.Therefore, can be used to prepare PTP1B inhibitor, for diabetes, obesity and its concurrent In disease drug or health food.
Brief description of the drawings
Fig. 1 PTP1B inhibitory activity test philosophies
Specific embodiment
Chemical structural formula (the Arabic numerals in structural formula of signified bibenzyl Aglaia odorata element B in examples below It is the mark of carbon atom in chemical constitution):
The preparation of bibenzyl Aglaia odorata element B described in embodiment 1
1. dark green Aglaia odorata leaf extract medicinal extract is prepared
(1) extract solution is prepared
Chinese dark green Aglaia odorata (A.abbreviata) blade (the picking up from In Xishuangbanna of Yunnan) 7.8kg (dry weight) that will be crushed Extracted three times with the ethanol percolations of 40L 95% respectively, each diacolation 2 days, merge extract solution;
(2) extract medicinal extract is prepared
By said extracted liquid in temperature≤45 DEG C recovery ethanol concentrated under reduced pressure, CE 530g is obtained;
2. isolate and purify
1) above-mentioned CE is scattered in 6L water into suspension, suspension is used into petroleum ether (4L), ethyl acetate successively (4L) and n-butanol (2L) are extracted three times respectively, and the gained extract petroleum ether that respectively obtains concentrated under reduced pressure extracts medicinal extract (58g), second Acetoacetic ester extracts medicinal extract (186g) and n-butanol extracts medicinal extract (152g);
2) ethyl acetate extract is carried out into silica gel column chromatography, with petroleum ether/acetone gradient elution;The concentration of gradient elution according to Secondary is volume ratio 100:0、90:10、80:20、70:30、50:50、30:70 and 0:100, similar stream part is merged according to TLC colour developings Obtain 4 components (A-D);
3) component B is petroleum ether/acetone volume ratio 8:2 and 7:3 elution fractions are through Sephadex LH-20 gel filtration chromatographies 【Chromatographic column specification:4.0 (diameter) × 120 (length) cm;Sephadex LH-20 gel dry weights:150g】, with dichloromethane/first Alcohol volume ratio 1:1 wash-out, merges similar stream part and obtains 6 components (B1-B6) according to TLC colour developings;
4) component B5, i.e. methylene chloride/methanol volume ratio 1:1 elution volume is 170~210mL elution fractions, then through system Standby type HPLC (filler of chromatographic column is RP-18), with acetonitrile/water volume ratio 75:25 wash-outs, flow velocity is 3.5mL/min, during reservation Between be 8.0min, obtain the compounds of this invention bibenzyl Aglaia odorata element B, be identified as noval chemical compound.
3. Structural Identification
Routinely through the various modern spectral technique such as NMR, HRESIMS, UV, IR and optically-active, it is determined that compound bibenzyl rice The chemical constitution of young orchid element B, its physicochemical property is as follows:
Yellow powder, molecular formula is C19H20O3
Ultraviolet spectra UV (MeOH) λmax(logε):233(4.28),272(3.93),298(3.88)nm;
Infrared spectrum IR (KBr) νmax:3340,2944,1602,1519,1451,1206cm–1
High resolution mass spectrum HR-ESI-MS m/z 297.1476 [M+H]+(calcd for C19H21O3 +,297.1491);
Proton nmr spectra1H NMR (400MHz) and carbon-13 nmr spectra13C NMR (100MHz) data are shown in Table one
Bibenzyl Aglaia odorata element B described in table one1H and13C NMR(ppm in CDCl3)
The test of the PTP1B inhibitory activity of embodiment 2:
Test philosophy:See Fig. 1.Using molecular biology method people's source protein TYR phosphoric acid is expressed in E. coli system Esterase 1B (hPTP1B) catalyst structure domain, it is purified after hPTP1B recombinant proteins can hydrolyze substrate p-nitrophenyl phosphoric acid (p- Nitrophenyl phosphate, pNPP) phosphatide key, obtain yellow soluble product p-nitrophenol (p- Nitrophenol), the product has very strong light absorbs at 410nm, therefore can be with the change of light absorbs at direct detection 410nm Change and observe the suppression situation of activity change and compound to enzymatic activity of enzyme.
The live body system of standard:10mM Tris.Cl tri- (methylol) aminomethane hydrochloride), pH 7.6,10mM PNPP, 2%DMSO, 100nM hPTP1B.
Observation index:It is the light absorbs at 410nm that dynamic determines wavelength, and the time is 3 minutes, and its kinetic curve one-level is anti- The slope answered as enzyme activity index.
Test method:Protein-tyrosine-phosphatase PTP1B for screening is from expression in escherichia coli and purifies Gst fusion protein.Using ultraviolet suitable substrates p-nitrophenyl phosphoric acid (pNPP), active suppression of the observation various concentrations to recombinase Make and use, with the medicinal effects of preliminary assessment compound.Before use by sample bibenzyl Aglaia odorata element B be dissolved in DMSO be made into it is appropriate dense Degree, 3 times of dilutions, 7 dilution factors set three wells, take 2 μ L samples solution and add 96 orifice plates, are subsequently adding 88 μ L assay Mix (assay buffer, pNPP, H2O), 10 μ L PTP1B are added.96 orifice plates are placed in dynamic detection ripple on VERSAmax Absorbance value is detected at a length of 410nm, the time is 3 minutes.
The judge of experimental result and explanation:
The selection result is the percent inhibition to enzymatic activity when compound bibenzyl Aglaia odorata element B concentration is 20 μ g/ml, is suppressed Rate be higher than 50% when, routinely screening (by inhibiting rate higher than 50% detected diluted chemical compound into different concentration, according to above-mentioned Method of testing is reacted, and all experiments are respectively provided with multiple holes) draw IC50, the IC of positive control oleanolic acid50For 2.74 ± 0.20μM。
Experimental result:ICs of the compounds of this invention bibenzyl Aglaia odorata element B to PTP1B enzyme inhibition activities50It is 45.74 ± 1.79 μM。
Experiment conclusion:By molecular biology test, it can be seen that compound bibenzyl Aglaia odorata element B is to protein tyrosine ester Enzyme 1B (PTP1B) has preferable inhibitory activity.Therefore, bibenzyl Aglaia odorata element B of the invention can be used to prepare diabetes, obesity In the medicine of disease and its complication.

Claims (5)

1. Hypoglycemics bibenzyl Aglaia odorata element B, it is characterised in that with following chemical constitution:
2. Hypoglycemics bibenzyl Aglaia odorata element B according to claim 1, it is characterised in that described compound be from Obtained in the dark green Aglaia odorata of Meliaceae plant, dark green Aglaia odorata scientific name is Aglaia abbreviata C.Y.Wu.
3. Hypoglycemics bibenzyl Aglaia odorata element B described in claim, its preparation method includes that step is as follows:
1) extract medicinal extract is prepared
Dark green Aglaia odorata (A.abbreviata) the blade ethanol routinely seepage pressure effects that will be crushed, obtain extract solution, will extract Liquid is concentrated under reduced pressure to reclaim ethanol, obtains CE;
2) isolate and purify
(1) above-mentioned CE is dispersed in water into suspension, suspension is extracted with petroleum ether, ethyl acetate and n-butanol successively Take, the concentration of gained extract respectively obtains petroleum ether and extracts medicinal extract, ethyl acetate extraction medicinal extract and n-butanol extraction medicinal extract;
(2) ethyl acetate extraction medicinal extract is carried out into silica gel column chromatography, with petroleum ether/acetone gradient elution, is developed the color according to TLC and merged Similar stream part obtains 4 components A, B, C, D;Wherein component B is petroleum ether/acetone volume ratio 8:2 and 7:3 elution fractions are passed through Sephadex LH-20 gel filtration chromatographies, chromatographic column specification:4.0 (diameter) cm × 120 (length) cm;Sephadex LH-20 coagulate Glue dry weight:150g, with methylene chloride/methanol volume ratio 1:1 wash-out, merges similar stream part and obtains 6 components according to TLC colour developings (B1-B6);Component B5, i.e. methylene chloride/methanol volume ratio 1:1 elution volume is 170~210mL elution fractions, then through preparing Type HPLC, with acetonitrile/water 75:25 volume ratios are eluted, and obtain the compounds of this invention bibenzyl Aglaia odorata element B;
Step (1) is prepared in extract medicinal extract step, and the ethanol for using that extracts is 95% ethanol;
In (2) step is isolated and purified, the concentration of petroleum ether/acetone gradient elution is followed successively by volume ratio 100:0、90:10、80: 20、70:30、50:50、30:70 and 0:100;
The chromatographic column filler of the preparation HPLC is RP-18.
4. bibenzyl Aglaia odorata element B compounds according to claim 1 can be made into tablet, glue as the active component of medicine Capsule, granule, oral liquid, sustained release preparation, controlled release preparation, nanometer formulation or injection as PTP1B inhibitor, for preparing Application in treatment diabetes, obesity and its complication medicine.
5. bibenzyl Aglaia odorata element B compounds according to claim 1 are prepared and can be made into piece as the active component of health products Agent, capsule, granule, oral liquid, sustained release preparation, controlled release preparation or nanometer formulation are used for the guarantor of diabetic or obese patient The application of health food.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108997296A (en) * 2018-08-18 2018-12-14 内蒙古大学 The structure and purposes of several isopentene group dihydro Stilbene and isoamylene radical chromocor

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KR20110012105A (en) * 2009-07-29 2011-02-09 영남대학교 산학협력단 SYNTHESIS METHOD OF PYRANOSTILBENES USING DOMINO ALDOL-TYPE REACTION/6π-ELECTROCYCLIZATION REACTION
CN103263410A (en) * 2013-04-25 2013-08-28 苏州谷力生物科技有限公司 Use of compound in antiviral treatment drugs

Patent Citations (3)

* Cited by examiner, † Cited by third party
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EP0118794B1 (en) * 1983-02-15 1988-02-10 ALKALOIDA VEGYéSZETI GYáR Chromene derivatives
KR20110012105A (en) * 2009-07-29 2011-02-09 영남대학교 산학협력단 SYNTHESIS METHOD OF PYRANOSTILBENES USING DOMINO ALDOL-TYPE REACTION/6π-ELECTROCYCLIZATION REACTION
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108997296A (en) * 2018-08-18 2018-12-14 内蒙古大学 The structure and purposes of several isopentene group dihydro Stilbene and isoamylene radical chromocor
CN108997296B (en) * 2018-08-18 2022-02-18 内蒙古大学 Structures and uses of several isopentenyl dihydro stilbenes and isopentenyl flavones

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