CN104072438B - Dialkoxy is for tetrazole acetophenone compound, Preparation Method And The Use - Google Patents

Dialkoxy is for tetrazole acetophenone compound, Preparation Method And The Use Download PDF

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Publication number
CN104072438B
CN104072438B CN201410352124.6A CN201410352124A CN104072438B CN 104072438 B CN104072438 B CN 104072438B CN 201410352124 A CN201410352124 A CN 201410352124A CN 104072438 B CN104072438 B CN 104072438B
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compound
present
preparation
dialkoxy
tetrazole
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CN104072438A (en
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张远强
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Zhou Guoyuan
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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

Abstract

The present invention relates to the pharmaceutical field relevant to thrombotic diseases.Specifically, the present invention relates to that a class dialkoxy replaces containing the PAR-1 antagonist of tetrazole methyl phenyl ketone structure, its preparation method and containing their pharmaceutical composition and their application in preparation treatment thrombotic diseases medicine.

Description

Dialkoxy is for tetrazole acetophenone compound, Preparation Method And The Use
Technical field
The present invention relates to the pharmaceutical field relevant to thrombus disease.Specifically, the present invention relates to PAR-1 antagonist containing tetrazole methyl phenyl ketone structure that the new dialkoxy of the medicative class of thrombotic diseases replaces and preparation method thereof, and containing their pharmaceutical composition.
Background technology
Proteinase activated receptors 1 (Protease Activated Acceptor-1, PAR-1) is the novel targets of the antiplatelet class antithrombotic reagent found recently.Proteinase activated receptors 1 is thrombin receptor again, zymoplasm by coagulation cascade activate after by PAR-1 receptor acting in thrombocyte thus activate thrombocyte, cause platelet aggregation thus cause thrombus and blood coagulation.Being rich in platelet component in the thrombus that PAR-1 causes, is the main reason of arterial thrombus.PAR-1 antagonist can block thrombin activation thrombocyte, thus interruption artery thrombosis, may be used for treatment acute coronary artery disease (Acute Coronary Syndrome).Several PAR-1 inhibitor has been had to be 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 the medicine preventing and treating thrombotic diseases.The first kind is anticoagulation class, be divided into direct thrombin inhibitor and indirect thrombin inhibitors, such medicine carrys out inhibition thrombosis by the different links acting on coagulation cascade, has and suppresses various thrombotic effect, 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; 3rd class is fibrinolytic agent, is mainly used in the scleroproein formed in lysed blood.
Mostly antiplatelet drug is traditional arterial thrombus protective agents, 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, then there is less bleeding risk, therefore this compounds can as the very promising medicine for the treatment of arterial thrombus.
The invention discloses the PAR-1 antagonist containing tetrazole methyl phenyl ketone structure of the replacement that a class dialkoxy replaces, may be used for the medicine preparing anti-arterial thrombus disease.
Summary of the invention
An object of the present invention is to provide a kind of there is good anti-thrombosis activity there is general formula icompound and pharmaceutically acceptable salt.
Another object of the present invention is to provide preparation and has general formula icompound and the method for pharmaceutically acceptable salt.
Another object of the present invention is to provide containing general formula icompound and pharmaceutically acceptable salt as effective constituent, and the medicinal compositions of one or more pharmaceutically acceptable carrier, vehicle or thinners, and the application in 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,
R1 is selected from F, Cl, Br, I;
R2 is selected from the alkyl of C1-C3.
Preferably following have general formula icompound,
Further, preferably following have general formula icompound,
General formula of the present invention icompound is synthesized by following steps:
Compound iIand compound iIIacid or alkali catalysis under react, obtain compound ( i).
Formula of the present invention ithe pharmacy acceptable salt of compound, include, but are not limited to the salt formed with various mineral acid example hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, Hydrogen bromide etc., also comprise the salt formed as acetic acid, succsinic acid, toxilic acid, oxysuccinic acid and each seed amino acid etc. with various organic acid.
General formula of the present invention icompound has the antagonistic action of PAR-1, can be used as the medicine of effective constituent for the preparation 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 taken such as 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 physical state of patient, route of administration, age, body weight, individual reaction to medicine, the severity etc. of symptom.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.It should be noted that, following embodiment be only for illustration of, and not for limiting the present invention.The various changes that those skilled in the art's training centre according to the present invention is made all should within the protection domain required by the application's claim.
embodiment 1
Reaction raw materials: self-control, ordinary method.
2.40 g (10 mmol) compound iI-1, 3.70 g (10 mmol) compound iII-1stir in 20 mL acetonitriles with 4.15 g (30 mmol) solid carbonic acid potassium and spend the night, then temperature rising reflux 3 hours.
Be poured in 200 mL frozen water after reaction mixture is slightly cold, stir, regulate pH=4 with concentrated hydrochloric acid, the dichloromethane extraction of 50 mL × 3, merge organic phase, brine It, anhydrous sodium sulfate drying, boil off solvent on a rotary evaporator, the resistates obtained, through column chromatography purification, obtains sterling i-1, white-yellowish solid, MS, m/z=553 ([M+Na] +).
embodiment 2-4
According to the method for embodiment 1, synthesize and there is general formula ifollowing compounds.
embodiment 5 extracorporeal platelet aggregation inhibition test
In 96 orifice plates, the platelet aggregation of inducing at TRAP (Glycoprotein) concentrates the pharmacology test carrying out material.The sodium citrate solution of 3.13% is added in advance, then the blood of suction 20 mL healthy volunteer, 1500 in syringe glower centrifugal 20 minutes, separate being rich in hematoblastic blood plasma (PRP) and processing with the amount of 1 μ L PGE1 solution (ethanolic solns of 500 μ g/mL)/mL PRP.After at room temperature hatching 5 minutes, by its under 1200 g centrifugal 20 minutes with except leucocyte-removing.To not transfer in the PP pipe of 15 mL with 5 mL/ parts containing leukocytic PRP in batches, and centrifugally under 3600 g make pellet platelets.Then, drain upper plasma, the pellet platelets deriving from 5 mL PRP is suspended in again 1 mL Tyrode (120 mM NaCl, 2.6 mM KCl, 12 mM NaHCO3,0.39 mM NaH2PO4,10 mM HEPES, 0.35% BSA, 5.5 mM glucose, pH=7.4) in, and the platelet count of 3 × 105/ μ L is adjusted to Tyrode.By the 10 mM CaCl2 solution-treated of this cell suspension of 13 mL with 866 μ L, be drawn in 96 orifice plates with the amount of every hole 120 μ L, in the hole of 96 orifice plates, added 15 μ L material to be tested in advance.At room temperature hatch 30 minutes in dark, add 15 μ L TRAP solution (70-100 μM) as agonist, vibrate 20 minutes under 37 ° of C in SpectraMax, kinetics is noted down under 650 nm, calculate the area under curve of negative control (tyrode/DMSO) and positive control (15 μ L agonist/DMSO), and difference is decided to be 100%.Aspirated with the form of serial dilution thing by compound to be tested, measure in duplicate, the same AUC measuring each material concentration, the AUC calculated compared with the control suppresses %.IC50 value is calculated according to 4 parametric equations by nonlinear regression analysis by this suppression %.Following table gives result.
As can be seen from the above table, compound of the present invention all shows obvious restraining effect in platelet aggregation test.

Claims (3)

1. following compounds and pharmaceutically acceptable salt,
2. compound described in claim 1 and pharmaceutically acceptable salt, be selected from,
3. the arbitrary described compound of claim 1 or 2 and the pharmaceutically purposes of acceptable salt in the medicine of preparation treatment thrombotic diseases.
CN201410352124.6A 2014-07-23 2014-07-23 Dialkoxy is for tetrazole acetophenone compound, Preparation Method And The Use Expired - Fee Related CN104072438B (en)

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CN104356060B (en) * 2014-11-02 2016-08-31 浙江医药高等专科学校 The trans cvclohexvl alkyl amide compound of 2-pyridine radicals and purposes
CN104356059B (en) * 2014-11-02 2016-08-24 浙江医药高等专科学校 Trans cvclohexvl alkyl amide compound containing halogenated pyridyl and purposes
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1246847A (en) * 1996-12-23 2000-03-08 杜邦药品公司 Nitrogen containing heteroaromatics as factor Xa inhibitors
CN1934105A (en) * 2004-01-25 2007-03-21 塞诺菲-安万特德国有限公司 Aryl-substituted heterocycles, process for their preparation and their use as medicaments

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Publication number Priority date Publication date Assignee Title
SI20208A (en) * 1997-06-19 2000-10-31 Dupont Pharmaceuticals Company INHIBITORS OF FACTOR Xa WITH A NEUTRAL P1 SPECIFICITY GROUP
JP2001526268A (en) * 1997-12-22 2001-12-18 デュポン ファーマシューティカルズ カンパニー Nitrogen-containing heterocyclic aromatic compounds having ortho-substituted P1 as factor Xa inhibitors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1246847A (en) * 1996-12-23 2000-03-08 杜邦药品公司 Nitrogen containing heteroaromatics as factor Xa inhibitors
CN1934105A (en) * 2004-01-25 2007-03-21 塞诺菲-安万特德国有限公司 Aryl-substituted heterocycles, process for their preparation and their use as medicaments

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