CN104072437A - Disubstituted tetrazole acetophenone compound and preparation method and use thereof - Google Patents

Disubstituted tetrazole acetophenone compound and preparation method and use thereof Download PDF

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Publication number
CN104072437A
CN104072437A CN201410352100.0A CN201410352100A CN104072437A CN 104072437 A CN104072437 A CN 104072437A CN 201410352100 A CN201410352100 A CN 201410352100A CN 104072437 A CN104072437 A CN 104072437A
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preparation
general formula
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CN104072437B (en
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张远强
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Xuzhou Fengrun Biological Organic Fertilizer Technology Development Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D257/00Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04Five-membered rings

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

The invention relates to the field of medicines related to thrombotic diseases, in particular to a disubstituted PAR-1 (Protease Activated Acceptor-1) agonist containing a tetrazole acetophenone structure, a preparation method thereof, a medicine composition containing the PAR-1 agonist and application of the PAR-1 agonist to preparation of medicines for treating thrombotic diseases. The formula (I) and the definition of R group are shown in the specification.

Description

Disubstituted tetrazole acetophenone compound, Preparation Method And The Use
Technical field
The present invention relates to the pharmaceutical field relevant to thrombus disease.Particularly, the present invention relates to disubstituted PAR-1 antagonist containing tetrazole methyl phenyl ketone structure of the medicative class of thrombotic diseases and preparation method thereof, and the pharmaceutical composition that contains them.
Background technology
Proteinase activated receptors 1 (Protease Activated Acceptor-1, PAR-1) is the novel targets of the antiplatelet class antithrombotic reagent of recent findings.Proteinase activated receptors 1 is again thrombin receptor, thereby zymoplasm activates thrombocyte by PAR-1 receptor acting in thrombocyte after being activated by coagulation cascade, thereby causes that platelet aggregation causes thrombus and blood coagulation.In the thrombus that PAR-1 causes, being rich in thrombocyte composition, is the main reason of arterial thrombus.PAR-1 antagonist can be blocked thrombin activation thrombocyte, thereby interruption artery thrombosis can be used for the treatment of acute coronary disease (Acute Coronary Syndrome).There have been several PAR-1 inhibitor in clinical study (Chackalamannil S., Thrombin Receptor (Protease Activated Receptor-1) Antagonists as Potent Antithrombotic Agents with Strong Antiplatelet Effects j. Med. Chem., 2006, 49 (18), 5389-5403).
Traditional is divided three classes for preventing and treating the medicine of thrombotic diseases.The first kind is anticoagulation class, be divided into direct thrombin inhibitor and indirect thrombin inhibitors, such medicine suppresses thrombosis by acting on the different links of coagulation cascade, has the various thrombotic effects of inhibition, as vitamin K antagon and Xa factor inhibitor etc.; Equations of The Second Kind is antiplatelet class, and as COX-1 inhibitor and adp receptor antagonist etc., such medicine is mainly used in preventing and treating arterial thrombus; The 3rd class is fibrinolytic agent, the scleroproein that is mainly used in forming in lysed blood.
Mostly antiplatelet drug is traditional arterial thrombus control medicine, as clopidogrel and acetylsalicylic acid etc.The shortcoming of these medicines is that bleeding risk is larger.And as the PAR-1 antagonist of newfound antiplatelet class antithrombotic reagent, have less bleeding risk, so this compounds can be used as the very promising medicine for the treatment of arterial thrombus.
The invention discloses the disubstituted PAR-1 antagonist containing tetrazole methyl phenyl ketone structure of a class, can be for the preparation of the medicine of anti-arterial thrombus disease.
Summary of the invention
An object of the present invention is to provide a kind of general formula that has with good anti-thrombosis activity icompound and acceptable salt pharmaceutically thereof.
Another object of the present invention is to provide preparation and has general formula icompound and the method for acceptable salt pharmaceutically thereof.
A further object of the present invention is to provide and contains general formula icompound and pharmaceutically acceptable salt as effective constituent, and the medicinal compositions of one or more pharmaceutically acceptable carriers, vehicle or thinner, and the application aspect treatment arterial thrombus.
Now in conjunction with object of the present invention, content of the present invention is specifically described.
the compound that the present invention has general formula I has following structural formula:
( I )
Wherein,
R is selected from alkyl, the OR of C1-C3 1, R 1be selected from the alkyl of C1-C3.
Preferably, there is general formula icompound,
Further, the preferred following general formula that has icompound,
General formula of the present invention icompound synthesizes by following steps:
Compound iIand compound iIIunder the catalysis of acid or alkali, react, obtain compound ( i).
Formula of the present invention ithe pharmacy acceptable salt of compound, include, but are not limited to the salt forming with various mineral acid example hydrochloric acids, sulfuric acid, nitric acid, phosphoric acid, Hydrogen bromide etc., also comprise the salt forming as acetic acid, succsinic acid, toxilic acid, oxysuccinic acid and each seed amino acid etc. with various organic acids.
General formula of the present invention icompound has the antagonistic action of PAR-1, can be used as effective constituent for the preparation of the medicine of antithrombotic aspect.General formula of the present invention ithe activity of compound is verified by external model.
General formula of the present invention icompound is effective in quite wide dosage range.The dosage of for example taking every day, within the scope of 1 mg-500 mg/ people, is divided into once or administration for several times.Actually take general formula of the present invention ithe dosage of compound can be decided according to relevant situation by doctor.These situations comprise: the person's of being treated physical state, route of administration, age, body weight, the individual reaction to medicine, the severity of symptom etc.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.It should be noted that, following embodiment is only for explanation, and not for limiting the present invention.The various variations that those skilled in the art's training centre according to the present invention is made all should be within the desired protection domain of the application's claim.
embodiment 1
Reaction raw materials: self-control, ordinary method.
2.20 g (10 mmol) compound iI-1, 3.70 g (10 mmol) compound iII-1stir and spend the night in 20 mL acetonitriles with 4.15 g (30 mmol) solid carbonic acid potassium, then temperature rising reflux is 3 hours.
After reaction mixture is slightly cold, be poured in 200 mL frozen water, stir, with concentrated hydrochloric acid, regulate pH=4, the dichloromethane extraction of 50 mL * 3, merge organic phase, salt solution washing, anhydrous sodium sulfate drying, on Rotary Evaporators, boil off solvent, the resistates obtaining, through column chromatography purification, obtains sterling i-1, white solid, MS, m/z=518 ([M+Na] +).
embodiment 2-4
According to the method for embodiment 1, synthesized and there is general formula ifollowing compounds:
embodiment 5 extracorporeal platelet aggregation inhibition tests
In 96 orifice plates, at the platelet aggregation of TRAP (Glycoprotein) induction, concentrate the pharmacology test that carries out material.In syringe, add in advance 3.13% sodium citrate solution, suction 20 mL healthy volunteers' blood then, 1500 glower centrifugal 20 minutes, will be rich in that hematoblastic blood plasma (PRP) is separated and process with the amount of 1 μ L PGE1 solution (ethanolic solns of 500 μ g/mL)/mL PRP.At room temperature hatch after 5 minutes, by its under 1200 g centrifugal 20 minutes with except leucocyte-removing.To containing leukocytic PRP, with 5 mL/ parts, not transfer in the PP pipe of 15 mL, and the centrifugal thrombocyte that makes precipitates under 3600 g in batches.Then, drain upper plasma, the thrombocyte precipitation that derives from 5 mL PRP is suspended in to 1 mL Tyrode (120 mM NaCl, 2.6 mM KCl, 12 mM NaHCO3 again, 0.39 mM NaH2PO4,10 mM HEPES, 0.35% BSA, 5.5 mM glucose, pH=7.4) in, and with Tyrode, be adjusted to the platelet count of 3 * 105/ μ L.The 10 mM CaCl2 solution-treated by this cell suspension of 13 mL with 866 μ L, are drawn in 96 orifice plates with the amount of every hole 120 μ L, have added in advance 15 μ L material to be tested in the hole of 96 orifice plates.At room temperature in dark, hatch 30 minutes, add 15 μ L TRAP solution (70-100 μ M) as agonist, in SpectraMax, under 37 ° of C, vibrate 20 minutes, under 650 nm, note down kinetics, calculate the area under curve of negative control (tyrode/DMSO) and positive control (15 μ L agonist/DMSO), and difference is decided to be to 100%.Compound to be tested is inhaled and moved with the form of serial dilution thing, measure in duplicate, measure equally the AUC of each material concentration, the AUC calculating compared with the control suppresses %.By this inhibition %, according to 4 parametric equations, by nonlinear regression analysis, calculate IC50 value.Following table has provided result:
Compound number The inhibition IC of platelet aggregation 50 (nM)
I-1 1.5
I-2 5.1
I-3 3.2
I-4 4.6
As can be seen from the above table, compound of the present invention all shows obvious restraining effect in platelet aggregation test.

Claims (4)

1. there is general formula ithe compound of structure and pharmaceutically acceptable salt,
( I )
Wherein,
R is selected from alkyl, the OR of C1-C3 1, R 1be selected from the alkyl of C1-C3.
2. the defined general formula of claim 1 icompound, is selected from following compounds,
3. the defined general formula of claim 2 icompound, is selected from following compounds,
4. the defined general formula of claim 1-3 icompound and the pharmaceutically acceptable salt purposes aspect preparation treatment thrombotic medicine.
CN201410352100.0A 2014-07-23 2014-07-23 Disubstituted tetrazole acetophenone compound, Preparation Method And The Use Expired - Fee Related CN104072437B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104496926A (en) * 2015-01-13 2015-04-08 佛山市赛维斯医药科技有限公司 Compound containing diene tetrazolium and methoxyphenyl structure, preparation method thereof and application thereof
CN104529928A (en) * 2015-01-13 2015-04-22 佛山市赛维斯医药科技有限公司 One category of oxadiazole sulfoxide compounds, and preparation method and application thereof
CN104610184A (en) * 2015-01-13 2015-05-13 佛山市赛维斯医药科技有限公司 Benzo diene tetrazole compound, preparation method and application of benzo diene tetrazole compound

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998057937A2 (en) * 1997-06-19 1998-12-23 The Du Pont Merck Pharmaceutical Company Inhibitors of factor xa with a neutral p1 specificity group
US20110105490A1 (en) * 2009-10-29 2011-05-05 Han-Cheng Zhang 2,3-dihydro-1h-isoindol-1-imine derivatives useful as thrombin par-1 receptor antagonist
CN102241621A (en) * 2010-05-11 2011-11-16 江苏恒瑞医药股份有限公司 5,5-disubstituted-2-iminopyrrolidine derivatives, preparation method thereof, and medical applications thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998057937A2 (en) * 1997-06-19 1998-12-23 The Du Pont Merck Pharmaceutical Company Inhibitors of factor xa with a neutral p1 specificity group
US20110105490A1 (en) * 2009-10-29 2011-05-05 Han-Cheng Zhang 2,3-dihydro-1h-isoindol-1-imine derivatives useful as thrombin par-1 receptor antagonist
CN102241621A (en) * 2010-05-11 2011-11-16 江苏恒瑞医药股份有限公司 5,5-disubstituted-2-iminopyrrolidine derivatives, preparation method thereof, and medical applications thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104496926A (en) * 2015-01-13 2015-04-08 佛山市赛维斯医药科技有限公司 Compound containing diene tetrazolium and methoxyphenyl structure, preparation method thereof and application thereof
CN104529928A (en) * 2015-01-13 2015-04-22 佛山市赛维斯医药科技有限公司 One category of oxadiazole sulfoxide compounds, and preparation method and application thereof
CN104610184A (en) * 2015-01-13 2015-05-13 佛山市赛维斯医药科技有限公司 Benzo diene tetrazole compound, preparation method and application of benzo diene tetrazole compound
CN104496926B (en) * 2015-01-13 2016-06-01 佛山市赛维斯医药科技有限公司 One class contains compound, the Preparation Method And The Use of diene tetrazole structure

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