CN104447482B - A kind of nitrobenzene-containing and the compound of diene adamantane structure, Preparation Method And The Use - Google Patents

A kind of nitrobenzene-containing and the compound of diene adamantane structure, Preparation Method And The Use Download PDF

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Publication number
CN104447482B
CN104447482B CN201510017445.5A CN201510017445A CN104447482B CN 104447482 B CN104447482 B CN 104447482B CN 201510017445 A CN201510017445 A CN 201510017445A CN 104447482 B CN104447482 B CN 104447482B
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compound
diene
obtains
formula
nitrobenzene
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CN104447482A (en
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蔡子洋
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Hongguan Bio Pharma Co ltd
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Foshan Saiweisi Pharmaceutical Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/32Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C07D207/33Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms with substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C07D207/335Radicals substituted by nitrogen atoms not forming part of a nitro radical

Abstract

The present invention relates to the drug world relevant to thrombotic disease.Specifically, the present invention relates to PAR 1 antagonist of a kind of nitrobenzene-containing and diene adamantane structure, Preparation Method And The Use.

Description

A kind of nitrobenzene-containing and the compound of diene adamantane structure, Preparation Method And The Use
Technical field
The present invention relates to the drug world relevant to thrombus disease.Specifically, the present invention relates to thrombosis The property medicative a kind of nitrobenzene-containing of disease and the PAR-1 antagonist of diene adamantane structure and preparation thereof Method, containing they pharmaceutical composition and treatment thrombotic disease on purposes.
Background technology
Proteinase activated receptors 1 (Protease Activated Acceptor-1, PAR-1) is the anti-of discovery recently The novel targets of platelet class antithrombotic reagent.Proteinase activated receptors 1 is again thrombin receptor, and thrombin is coagulated In platelet thus activate platelet by PAR-1 receptor acting after the chain activation of blood, cause platelet aggregation from And cause thrombosis and blood coagulation.Rich in platelet component in the thrombosis that PAR-1 causes, it is the main one-tenth of arterial thrombus Cause.PAR-1 antagonist can block thrombin activation platelet, thus interruption artery thrombosis, may be used for Treatment acute coronary artery disease (Acute Coronary Syndrome).Have at several PAR-1 inhibitor In clinical research (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)。
The medicine being traditionally used for preventing and treating thrombotic disease is divided three classes.The first is anticoagulation class, is divided into Direct thrombin inhibitor and indirect thrombin inhibitor, such medicine is by acting on the different rings of coagulation cascade Joint carrys out inhibition thrombosis, has the various thrombotic effects of suppression, as vitamin K antagon and Xa because of Sub-inhibitor etc.;Equations of The Second Kind is antiplatelet class, such as COX-1 inhibitor and adp receptor antagonist etc., is somebody's turn to do Class medicine is mainly used in preventing and treating arterial thrombus;3rd class is fibrinolytic agent, is mainly used in lysed blood The fibrin formed.
Mostly antiplatelet drug is traditional arterial thrombus protective agents, such as clopidogrel and aspirin Deng.The shortcoming of these medicines is that bleeding risk is bigger.And as newfound antiplatelet class antithrombotic reagent PAR-1 antagonist, then there is less bleeding risk, therefore this compounds can be as treatment tremulous pulse The most promising medicine of thrombosis.
The invention discloses the PAR-1 antagonist of a kind of nitrobenzene-containing and diene adamantane structure, they can For the medicine preparing anti-arterial thrombus disease.
Summary of the invention
It is an object of the present invention to provide a kind of there is good anti-thrombosis activity have formula I's Compound and pharmaceutically acceptable salt.
It is a further object to provide preparation there is compounds of formula I and pharmaceutically can connect The method of the salt being subject to.
It is also another object of the present invention to provide containing compounds of formula I and pharmaceutically acceptable thereof Salt is as effective ingredient, and one or more pharmaceutically acceptable carriers, excipient or diluent is medicinal Compositions, and the application in terms for the treatment of arterial thrombus.
In conjunction with the purpose of the present invention, present invention is specifically described.
The present invention has the compound of Formulas I and has a following structural formula:
The method of synthetic compound of formula i:
Compound II synthesizes (US4001223) according to literature method.Compound II and PPh3Reaction obtains Quaternary salt, then uses highly basic to process and obtains Wittig reagent, then react with III, and the diene obtained uses I2 Alltrans diene IV is obtained after process;IV hydrolysis obtains V;V Yu VI reacts in the presence of condensing agent, obtains Product I.
Wherein, described highly basic is selected from positive fourth lithium, isobutyl lithium, tertiary Ding Li, hexamethyl two silicon nitrilo sodium, pregnancy Base two silicon nitrilo potassium, hexamethyl two silicon nitrilo lithium, lithium diisopropylamine;Described condensing agent is selected from N, N'-bis- Cyclohexylcarbodiimide, N-ethyl-N'-dimethylamino carbodiimides, carbonyl dimidazoles.
The pharmaceutically acceptable salt of compound of formula I of the present invention, includes, but are not limited to and various nothings The salt that machine acid example hydrochloric acid, sulphuric acid, nitric acid, phosphoric acid, hydrobromic acid etc. are formed, also includes and various organic acid such as second The salt that acid, succinic acid, maleic acid, malic acid and various aminoacid etc. are formed.
Compound of Formula I of the present invention has the antagonism of PAR-1, can use as effective ingredient Medicine in terms of preparing antithrombotic.The activity of compound of Formula I of the present invention is by external mould Type checking.
The compound of Formula I of the present invention is effective in comparatively wide dosage range.Such as every day takes Dosage about in the range of 1mg-500mg/ people, be divided into once or be administered for several times.Actual take formula of the present invention The dosage of I can be determined according to relevant situation by doctor.These situations include: the body of patient Body state, route of administration, age, body weight, individual reaction to medicine, the order of severity etc. of symptom.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.It should be noted that following embodiment It is only for explanation, and is not intended to limit the present invention.Those skilled in the art are done according to the teachings of the present invention The various changes gone out all should be within the protection domain required by the application claim.
Embodiment 1
2.43g (10mmol) compound II and 2.62g (10mmol) PPh3It is dissolved in what 20mL was dried In THF, reflux under nitrogen protection overnight.After reactant mixture is cooled to room temperature, obtain a white opacity Solution.It is cooled to-78 DEG C under nitrogen protection, slowly drips 6.25mL (10mmol, 1.6M) n-BuLi's Hexane solution.After dropping, continue stirring one hour, then drip compound 1.28g (10mmol) III It is dissolved in the solution that 2mL THF makes.After dropping, reactant mixture is slowly ramped to room temperature, then returns Flow 1 hour.Reactant mixture pours in frozen water, stirring, extracts with the dichloromethane of 50mL × 3, closes And extraction phase brine It, anhydrous sodium sulfate is dried.Sucking filtration removes desiccant, adds 0.50g in filtrate Iodine, is stirred overnight under room temperature.Reactant mixture 100mL 5% hypo solution washs, anhydrous sulfur Acid sodium is dried.Sucking filtration removes desiccant, and filtrate is evaporated on a rotary evaporator, residue column chromatography purification, Sterling to product IV;White solid, ESI-MS, m/z=275 ([M+H]+)。
1.37g (5mmol) compound IV is dissolved in 15mL methanol, adds the NaOH of 1mL 30% Solution, then temperature rising reflux 10 minutes.After reactant mixture cooling, pour in 100mL frozen water, use Concentrated hydrochloric acid regulation pH=2.Extract with the dichloromethane of 50mL × 3, merge extraction phase brine It, Anhydrous sodium sulfate is dried.Sucking filtration removes desiccant, and filtrate is evaporated on a rotary evaporator, and residue column chromatography is pure Change, obtain the sterling of product V;White solid, ESI-MS, m/z=245 ([M-H]-)。
0.74g (3mmol) compound V and 0.65g (3mmol) compound VI is dissolved in what 5mL was dried In THF, add 0.62g (3mmol) DCC, be stirred overnight under room temperature.TLC display reaction completes.Instead After answering mixture cooling, pour in 100mL frozen water, extract with the dichloromethane of 50mL × 3, merge Extraction phase brine It, anhydrous sodium sulfate is dried.Sucking filtration removes desiccant, and filtrate is on a rotary evaporator It is evaporated, residue column chromatography purification, obtains product I;White-yellowish solid, ESI-MS, m/z=444 ([M-H]-)。
The preparation of embodiment 2 reference compound D1
For absolutely proving the beneficial effect of the compounds of this invention, applicant describes discovery in experimentation Following formula: compound D1 (is not disclosed), as drug effect reference compound.
Synthetic method is as follows:
2.43g (10mmol) compound II and 2.62g (10mmol) PPh3It is dissolved in what 20mL was dried In THF, reflux under nitrogen protection overnight.After reactant mixture is cooled to room temperature, obtain a white opacity Solution.It is cooled to-78 DEG C under nitrogen protection, slowly drips 6.25mL (10mmol, 1.6M) n-BuLi's Hexane solution.After dropping, continue stirring one hour, then drip compound 1.28g (10mmol) III It is dissolved in the solution that 2mL THF makes.After dropping, reactant mixture is slowly ramped to room temperature, then returns Flow 1 hour.Reactant mixture pours in frozen water, stirring, extracts with the dichloromethane of 50mL × 3, closes And extraction phase brine It, anhydrous sodium sulfate is dried.Sucking filtration removes desiccant, adds 0.50g in filtrate Iodine, is stirred overnight under room temperature.Reactant mixture 100mL 5% hypo solution washs, anhydrous sulfur Acid sodium is dried.Sucking filtration removes desiccant, and filtrate is evaporated on a rotary evaporator, residue column chromatography purification, Sterling to product IV;White solid, ESI-MS, m/z=275 ([M+H]+)。
1.37g (5mmol) compound IV is dissolved in 15mL methanol, adds the NaOH of 1mL 30% Solution, then temperature rising reflux 10 minutes.After reactant mixture cooling, pour in 100mL frozen water, use Concentrated hydrochloric acid regulation pH=2.Extract with the dichloromethane of 50mL × 3, merge extraction phase brine It, Anhydrous sodium sulfate is dried.Sucking filtration removes desiccant, and filtrate is evaporated on a rotary evaporator, and residue column chromatography is pure Change, obtain the sterling of product V;White solid, ESI-MS, m/z=245 ([M-H]-)。
0.74g (3mmol) compound V and 0.52g (3mmol) compound VI-1 is dissolved in 5mL and is dried THF in, add 0.62g (3mmol) DCC, be stirred overnight under room temperature.TLC display reaction completes. After reactant mixture cooling, pour in 100mL frozen water, extract with the dichloromethane of 50mL × 3, close And extraction phase brine It, anhydrous sodium sulfate is dried.Sucking filtration removes desiccant, and filtrate is at Rotary Evaporators On be evaporated, residue column chromatography purification, obtain the sterling of product D1;White solid, ESI-MS, m/z=399 ([M-H]-)。
Embodiment 7 extracorporeal platelet aggregation inhibition test
In 96 orifice plates, the platelet aggregation concentration induced at TRAP (Glycoprotein) carries out thing The pharmacology test of matter.Being previously added the sodium citrate solution of 3.13% in syringe, then suction 20mL is good for The blood of health volunteer, is centrifuged 20 minutes under 1500g, will be enriched in hematoblastic blood plasma (PRP) and isolate Come and process with the amount of 1 μ L PGE1 solution (ethanol solution of 500 μ g/mL)/mL PRP.In room temperature Under hatch 5 minutes after, by its under 1200g centrifugal 20 minutes to remove leukocyte.By without leukocyte PRP transfers to 5mL/ part in the PP pipe of 15mL in batches, and centrifugal under 3600g makes pellet platelets. Then, drain upper plasma, the pellet platelets deriving from 5mL PRP is suspended in 1mL Tyrode again (120mM NaCl, 2.6mM KCl, 12mM NaHCO3, 0.39mM NaH2PO4, 10mM HEPES, 0.35%BSA, 5.5mM glucose, pH=7.4) in, and regulate the blood to 3 × 105/ μ L with Tyrode Platelet number.By this for the 13mL cell suspension 10mM CaCl of 866 μ L2Solution processes, with often The amount of hole 120 μ L is drawn in 96 orifice plates, adds 15 μ L the most in advance and treat in the hole of 96 orifice plates Test substances.At room temperature dark is hatched 30 minutes, add 15 μ L TRAP solution (70-100 μM) and make For agonist, vibrate 20 minutes at 37 DEG C in SpectraMax, under 650nm, note down kinetics, Calculate negative control (tyrode/DMSO) and the area under curve of positive control (15 μ L agonist/DMSO), and Difference is set to 100%.Compound to be tested is aspirated with the form of serial dilution thing, carries out in duplicate Measure, the same AUC measuring each material concentration, calculate AUC compared with the control and suppress %.Pressed down by this % processed calculates IC according to 4 parametric equations by nonlinear regression analysis50Value.Following table gives result.
Compound The suppression IC of platelet aggregation50(μM)
Compound I 0.34
Reference compound D1 0.94
As can be seen from the above table, the compound of the present invention all shows preferably in platelet aggregation test Inhibitory action.

Claims (4)

1. the compound of general formula I and pharmaceutically acceptable salt thereof,
2. the method for compound described in synthesis claim 1:
Compound II with PPh3 reacts and obtains quaternary salt, then uses positive fourth lithium to process and obtains Wittig reagent, Reacting with III, the diene obtained uses I again2Alltrans diene IV is obtained after process;IV hydrolysis obtains V; V Yu VI reacts in the presence of condensing agent, obtains product I.
3. the method described in claim 2, wherein said condensing agent is selected from N, N'-dicyclohexyl carbodiimide, N- Ethyl-N'-dimethylamino carbodiimides, carbonyl dimidazoles.
4. compound of Formula I defined in claim 1 and pharmaceutically acceptable salt preparation treatment thrombosis Application in terms of property medicine.
CN201510017445.5A 2015-01-13 2015-01-13 A kind of nitrobenzene-containing and the compound of diene adamantane structure, Preparation Method And The Use Active CN104447482B (en)

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