CN102260275A - Prasugrel hydrobromide, its pharmaceutical composition and application - Google Patents
Prasugrel hydrobromide, its pharmaceutical composition and application Download PDFInfo
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Abstract
The invention provides prasugrel hydrobromide of formula (II) and its pharmaceutical composition and application. The prasugrel hydrobromide provided by the invention has good stability, oral absorbability, metabolic activity and platelet aggregation resistance, and has low toxicity, thus being a anticoagulant drug for preventing or treating diseased caused by thrombosis or embolism with a good prospect.
Description
Technical field
The invention belongs to field of medicaments, be specifically related to a kind of hydrogenated pyridine derivative salt---Hydrogen bromide prasugrel and preparation method thereof and be the pharmaceutical composition of activeconstituents with this compound, and they are being used for preventing or by the application of the caused disease of embolism.
Background technology
Prasugrel (Prasugrel) is a kind of novel thienopyridine P2Y12 antagonist, chemical name 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, and the 7-tetramethylene sulfide is [3,2-C] pyridine also, and structural formula is as shown in the formula (I):
Being total to company by Lilly Co., Eli. and Japan three and developing jointly, is a kind of platelet ADP receptor blocker that is in conceptual phase at present.The effect that studies show that the pre-preventing thrombosis of prasugrel also is eager to excel than clopidogrel, and onset is faster, better effects if.Thrombus after patient's medication of prasugrel group in the blood than clopidogrel group patient still less, the incidence of prasugrel group patient ischemic event is lower than clopidogrel group patient, so the effect built up of prasugrel antiplatelet is obviously and rapidly.From Johns Hopkins University studies show that prasugrel obviously than clopidogrel more potential aspect the antiplatelet, prasugrel is stronger in the effect that suppresses in the cohesion of ADP induced platelet than the clopidogrel of ratifying dosage at present, and the code name of prasugrel clinical study for the research of JUMBO-TIMI26 subordinate phase in, prasugrel shows the inhibition thrombocyte effect faster and more unified than clopidogrel really.
Usually, the type of service of medicinal compound is its pharmacy acceptable salt.The medicine of building up for antiplatelet also is so for formula (I) compound for example, and this makes that this compounds pharmacy acceptable salt of preparation is particularly important.
EP1298132 (hydrogenated pyridine derivative as one kind of acid added salt) discloses 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, the 7-tetramethylene sulfide is the hydrochloride of [3,2-C] pyridine and the purposes of maleate, its preparation method and antithrombotic formation aspect thereof also.
EP0542411 discloses the preparation method of a kind of hydrogenated pyridine derivative and inequality allosteric body thereof, and described hydrogenated pyridine derivative is the parent nucleus of prasugrel, but does not relate to Hydrogen bromide prasugrel and preparation method thereof.
US2004024013 discloses and has contained 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-fluoro benzyl)-4,5,6, the 7-tetramethylene sulfide also on [3,2-c] pyridine or its pharmacology acceptable salt and Asprin as the medicinal compositions of effective constituent.
Summary of the invention
For solving the above-mentioned problems in the prior art, the invention provides the Hydrogen bromide prasugrel.Hydrogen bromide prasugrel of the present invention has satisfactory stability, oral absorption, metabolic activity and platelet aggregation restraining effect, therefore toxicity is low, is the anti-freezing medicine that a kind of rising being used to prevented or treated the disease that thrombosis or embolism cause.
Hydrogen bromide prasugrel provided by the invention is the compound that has as shown in the formula (II) expression structure:
The Hydrogen bromide prasugrel has asymmetric chiral carbon atom, thereby there is a steric isomer with opticity, the various optically active isomers of Hydrogen bromide prasugrel can be with form or exist with arbitrary proportion blended form independently separately, and Hydrogen bromide prasugrel optically active isomer can be by synthetic with the starting compound after splitting.The Hydrogen bromide prasugrel has water absorbability, can absorb airborne moisture and deliquescence, so place in air or in preparation process, may absorb water and form hydrate.
In one embodiment of the invention, the structural parameter of Hydrogen bromide prasugrel conclusive evidence is as follows:
(1) C, H, N, S, F, the Br element percentage composition of table 1-1 Hydrogen bromide prasugrel
(2) the UV spectrum determination data of table 2-1 Hydrogen bromide prasugrel sample
(3) IR of table 3-1 Hydrogen bromide prasugrel sample composes each absorption peak ownership
(4) table 4-1 Hydrogen bromide prasugrel sample is at DMSO+D
2Among the O-d6
1The H-NMR data
*: at DMSO-d
6Chemical shift in the solvent, all the other are at DMSO-d
6+ D
2Chemical shift among the O
Table 4-2 Hydrogen bromide prasugrel sample is in DMSO-d6
13C-NMR data (ppm)
(5) table 5-1 Hydrogen bromide prasugrel molecular ion peak and ownership (mass spectrum)
The present invention also provides a kind of preparation method of Hydrogen bromide prasugrel.Hydrogen bromide prasugrel of the present invention can be by 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, and 7-tetramethylene sulfide also [3,2-C] pyridines (prasugrel) makes with the Hydrogen bromide reaction:
The preparation method of Hydrogen bromide prasugrel of the present invention may further comprise the steps:
1) with 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6,7-tetramethylene sulfide also [3,2-C] pyridine is dissolved in the solvent;
2) bromine is added drop-wise to tetrahydrochysene and produces bromize hydrogen gas in how, this gas dissolving in organic solvent, is obtained being dissolved with the organic solvent of hydrogen bromide;
3) be cooled to the goal response temperature, stir down, slowly in the solvent that step 1) obtains, drip Hydrogen bromide or step 2) organic solvent that is dissolved with hydrogen bromide that obtains; With
4) continue to be incubated and to be stirred to react completely.
In one embodiment of the invention, step 2) temperature of reaction is-30 ℃～30 ℃ in, and the reaction times is 10 minutes to 24 hours.
Preferably, step 2) temperature of reaction is-20 ℃～0 ℃ in, and the reaction times is 10 minutes to 8 hours.
More preferably, step 2) temperature of reaction is-10 ℃～-5 ℃ in, and the reaction times is 10 minutes to 5 hours.
In one embodiment of the invention, prasugrel and hydrobromic mol ratio are 1: 0.95～1.4.
In one embodiment of the invention, in the step 3) Hydrogen bromide or be dissolved with the organic solvent of hydrogen bromide can be by disposable or repeatedly drip.
Prepare the step 1) and the step 2 of Hydrogen bromide prasugrel method in the present invention) in solvent can be in aromatic hydrocarbon, aliphatic hydrocarbon, halohydrocarbon, ester, ether, ketone, the pure and mild nitrile one or more, but be not limited to these solvents.All can make reactants dissolved but the solvent that do not hinder the present invention to prepare the reaction of Hydrogen bromide prasugrel all can be used.
In an embodiment of the invention, step 1) and step 2) in solvent can be among toluene, dimethylbenzene, ethane, hexanaphthene, methylene dichloride, ethyl acetate, ether, tetrahydrofuran (THF), sherwood oil, acetone, butanone, methyl alcohol, ethanol, acetonitrile and the DMF one or more.
Preferably, step 1) and step 2) in solvent can be in tetrahydrofuran (THF), acetone, methyl alcohol, the ether one or more.
More preferably, step 1) and step 2) in solvent can be in acetone, ether and the methyl alcohol one or more.
After reaction is finished, can adopt conventional method to obtain target product.Reaction in one embodiment of the invention has crystal to separate out after finishing, and obtains product by filtration.
In another embodiment of the invention, reaction finishes the back and adopts the underpressure distillation solvent, and the cooling crystallization obtains target product.
In order to be further purified product, can adopt methods such as recrystallization or column chromatography to carry out purifying.
In one embodiment, the target product that obtains is various crystal formation product of mixing.As prepare the target product of single crystal form, and can after finishing, reaction add the crystal seed of target single crystal form product, place crystallization.
The present invention further provides a kind of medicinal compositions, it can contain Hydrogen bromide prasugrel or Hydrogen bromide prasugrel and pharmaceutical excipient.Wherein pharmaceutical excipient comprises vehicle, disintegrating agent, tamanori, lubricant, antioxidant, Drug coating, tinting material, perfume compound and tensio-active agent etc., but is not limited thereto.All do not influence the active pharmaceutical excipient of Hydrogen bromide prasugrel and all can use.
In one embodiment of the invention, medicinal compositions of the present invention can adopt the ordinary method preparation.
In one embodiment of the invention, the form of medicinal compositions of the present invention can be granule, capsule, tablet, injection, infusion solution or suppository etc., but is not limited to this several forms.But per os or oral administration not during use, dosage is different because of medicine, and concerning the adult, every day, 1-1000mg was proper.During the oral administration administration, this compound is mixed with the pharmaceutical excipient of routine, be made into form administrations such as granule, capsule, tablet.Can be during non-oral administration with form administrations such as injection, infusion solution or suppositorys.When preparing above-mentioned preparation, can use the ordinary method preparation.
The invention provides the application in the medicine of preparation prevention or treatment thrombosis or the caused disease of embolism of Hydrogen bromide prasugrel or its medicinal compositions.
The invention provides Hydrogen bromide prasugrel or its medicinal compositions method to prevention or treatment thrombosis or disease that embolism causes, it comprises Hydrogen bromide prasugrel or its medicinal compositions of using significant quantity to required patient.
Significant quantity is meant that the amount of application of Hydrogen bromide prasugrel or its medicinal compositions can make Hydrogen bromide prasugrel or its medicinal compositions produce the dosage of required curative effect in patient's body.
Hydrogen bromide prasugrel or its medicinal compositions have satisfactory stability, oral absorption, bioavailability, metabolic activity and platelet aggregation restraining effect, and toxicity is low, have prevention and treat thrombosis or the effect of the disease that embolism causes as medicine, be preferred for the prevention or the therapeutic action of thrombosis or embolism.Said medicine can be widely used in warm-blooded animal, is preferred for the people.
Prove that by experiment behind the gastric infusion, the hemorrhage rate of rat that gavages the Hydrogen bromide prasugrel significantly is lower than the rat that gavages the toxilic acid prasugrel, hemorrhage rate was low after the Hydrogen bromide prasugrel was taken in this explanation, and untoward reaction is little.Prove by experiment, the rat platelet aggregation that the Hydrogen bromide prasugrel causes ADP and collagen has the restraining effect of highly significant, compare there was no significant difference with the toxilic acid prasugrel, show that the drug effect of Hydrogen bromide prasugrel has reached the effect of prior art fully, even be better than the toxilic acid prasugrel to a certain extent.In addition, also provable by experiment, the Hydrogen bromide prasugrel is better than the hydrochloric acid prasugrel in the intravital bioavailability of beagle dog.
Embodiment
Now further describe beneficial effect of the present invention by following examples, be interpreted as these embodiment and only be used for the purpose of illustration, do not limit the scope of the invention, conspicuous change and modification that while those of ordinary skills are made according to the present invention are also contained within the scope of the invention.For the reference of the present invention's record, with way of reference the full text of described all documents is incorporated in this specification sheets at this.
Embodiment 1 compound (II) 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, the 7-tetramethylene sulfide is the preparation of [3,2-C] pyridine hydrobromide salt also
With the 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4 that refines, 5,6,7-tetramethylene sulfide also [3,2-C] pyridine 8g is dissolved in the 50ml acetone, be cooled to-30～-25 ℃, control reaction temperature stirs in 1.5 hours and slowly drips hydrobromic acetone soln 4.78ml (concentration is 0.35g/ml) down, dropwise and continue insulated and stirred reaction 4 hours, have a large amount of crystal to separate out this moment, and stopped reaction when no longer including crystal and separate out filters, with freezing washing with acetone filter cake, with 60 ℃ of vacuum-dryings of filter cake, obtain white crystal 8.0g, yield is 82.3%.
The crystalline structural identification:
(1) C, H, N, S, Br, the F element percentage composition of table 1-1 Hydrogen bromide prasugrel sample
(2) the UV spectrum determination data of table 2-1 Hydrogen bromide prasugrel sample
(3) IR of table 3-1 Hydrogen bromide prasugrel sample composes each absorption peak ownership
(4) table 4-1 Hydrogen bromide prasugrel sample is at DMSO+D
2Among the O-d6
1The H-NMR data
*: at DMSO-d
6Chemical shift in the solvent, all the other are at DMSO-d
6+ D
2Chemical shift among the O
Table 4-2 Hydrogen bromide prasugrel sample is in DMSO-d6
13C-NMR data (ppm)
(5) table 5-1 Hydrogen bromide prasugrel molecular ion peak and ownership (mass spectrum)
Embodiment 2 compounds (1) 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, the 7-tetramethylene sulfide is the preparation of [3,2-C] pyridine hydrobromide also
With 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6,7-tetramethylene sulfide also [3,2-C] pyridine 8g is dissolved in the 50ml acetone, is cooled to-14～-16 ℃, control reaction temperature, stirring the acetone soln 4.78ml (concentration is 0.35g/ml) that will be dissolved with hydrogen bromide down drips at twice, drip 2.5ml in 30 minutes, insulated and stirred 1.5 hours dripped remaining hydrobromic acetone soln again in 30 minutes, insulated and stirred 3 hours, the crystal that filtration obtains separating out is with freezing washing with acetone filter cake, with 60 ℃ of vacuum-dryings of filter cake, obtain white crystal 7.8g, yield is 80.2%.
The crystalline structural identification:
(1) C, H, N, S, Br, the F element percentage composition of table 1-1 Hydrogen bromide prasugrel sample
(2) the UV spectrum determination data of table 2-1 Hydrogen bromide prasugrel sample
(3) IR of table 3-1 Hydrogen bromide prasugrel sample composes each absorption peak ownership
(4) table 4-1 Hydrogen bromide prasugrel sample is at DMSO+D
2Among the O-d6
1The H-NMR data
*: at DMSO-d
6Chemical shift in the solvent, all the other are at DMSO-d
6+ D
2Chemical shift among the O
Table 4-2 Hydrogen bromide prasugrel sample is in DMSO-d6
13C-NMR data (ppm)
(5) table 5-1 Hydrogen bromide prasugrel molecular ion peak and ownership (mass spectrum)
Embodiment 3 compounds (II) 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, the 7-tetramethylene sulfide is the preparation of [3,2-C] pyridine hydrobromide salt also
With the 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4 that refines, 5,6,7-tetramethylene sulfide also [3,2-C] pyridine 8g is dissolved in the 100ml ether, be cooled to-30～-25 ℃, control reaction temperature stirs in 2 hours and slowly drips hydrobromic acetone soln 4.78ml (concentration is 0.35g/ml) down, dropwise and continue insulated and stirred reaction 1.5 hours, have a large amount of crystal to separate out this moment, and stopped reaction when no longer including crystal and separate out filters, with freezing ether washing leaching cake, with 20 ℃ of vacuum-dryings of filter cake, obtain white crystal 7.4g, yield is 76.1%.
Embodiment 4 compounds (II) 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, the 7-tetramethylene sulfide is the preparation of [3,2-C] pyridine hydrobromide salt also
With the 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4 that refines, 5,6,7-tetramethylene sulfide also [3,2-C] pyridine 8g is dissolved in the 100ml ether, be cooled to-15～-10 ℃, control reaction temperature stirs in 1.5 hours and slowly drips hydrobromic acetone soln 4.78ml (concentration is 0.35g/ml) down, dropwise and continue insulated and stirred reaction 2 hours, have a large amount of crystal to separate out this moment, and stopped reaction when no longer including crystal and separate out filters, with freezing ether washing leaching cake, with 20 ℃ of vacuum-dryings of filter cake, obtain white crystal 7.3g, yield is 75.1%.
Embodiment 5 compounds (II) 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, the 7-tetramethylene sulfide is the preparation of [3,2-C] pyridine hydrobromide salt also
With the 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4 that refines, 5,6,7-tetramethylene sulfide also [3,2-C] pyridine 8g is dissolved in the 100ml ether, be cooled to-5～0 ℃, control reaction temperature stirs in 1 hour and slowly drips hydrobromic acetone soln 4.78ml (concentration is 0.35g/ml) down, dropwise and continue insulated and stirred reaction 0.5 hour, have crystal to separate out this moment, and stopped reaction when no longer including crystal and separate out filters, with freezing ether washing leaching cake, with 20 ℃ of vacuum-dryings of filter cake, obtain white crystal 7g, yield is 72%.
Embodiment 6 compounds (II) 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4,5,6, the 7-tetramethylene sulfide is the preparation of [3,2-C] pyridine hydrobromide salt also
With the 2-acetoxyl group-5-(α-cyclopropyl carbonyl-2-luorobenzyl)-4 that refines, 5,6,7-tetramethylene sulfide also [3,2-C] pyridine 8g is dissolved in the 50ml acetone, be cooled to 0～15 ℃, control reaction temperature stirs in 1 hour and slowly drips hydrobromic acetone soln 4.78ml (concentration is 0.35g/ml) down, dropwise and continue insulated and stirred reaction 2 hours, have a large amount of crystal to separate out this moment, and stopped reaction when no longer including crystal and separate out filters, with freezing washing with acetone filter cake, with 60 ℃ of vacuum-dryings of filter cake, obtain white crystal 6.8g, yield is 70%.
The mensuration of embodiment 7 Hydrogen bromide prasugrel bioavailabilities
6 of healthy male beasle dogs, about 7 months ages, the body weight no difference of science of statistics was normally raised for 2 weeks and is not obeyed any medicine before the experiment.6 beasle dogs are divided into Hydrogen bromide prasugrel group, hydrochloric acid prasugrel group, 3 every group at random.According to patent CN1214031 test example 1 disclosed measuring method, measure the pharmacokinetic parameters (two groups dosage is 10mg/kg) of S-methyl body in the blood plasma of respectively organizing dog after the administration.
Test-results shows that Hydrogen bromide prasugrel group is compared with hydrochloric acid prasugrel group, has significant difference, illustrates that the Hydrogen bromide prasugrel is better than the hydrochloric acid prasugrel in the intravital bioavailability of beagle dog.
The pharmacokinetic parameters of S-methyl body in the blood plasma after the administration of table 1beagle dog
Compare * P＜0.05 with hydrochloric acid prasugrel group
Embodiment 8 Hydrogen bromide prasugrels are to the restraining effect of rat platelet aggregation
1. grouping and administration
Get 30 of SD rats, male, weight 200-300g, southern Shandong pharmacy Experimental Animal Center provides, and divides 5 groups at random, and 10 every group, one week of precuring.Vehicle group (physiological saline of equal volume), toxilic acid prasugrel group (10mg/kg), Hydrogen bromide prasugrel group (10mg/kg), gastric infusion, once a day, totally 7 days.
2. index determining
2.1 the mensuration of antiplatelet aggregative activity
The above-mentioned administration of animal via is after 2 days, fasting overnight, in administration next day after 1 hour, with the separation aorta abdominalis of cutting open the belly behind the urethane intraperitoneal injection of anesthesia, the insertion polyethylene tube is got blood 5ml and (is preset 3.8% liquor sodii citratis 0.5ml at 1: 9 by antithrombotics and blood in the pipe) in vitro, whole blood by 1000 rev/mins of centrifugal 4min, is got platelet rich plasma (PRP) 1ml.Again surplus liquid is pressed 3000 rev/mins of centrifugal 8min, get platelet poor plasma (PPP) 1ml, split in two plastic test tubes.Adjust back constant temperature (37 ± 0.1) ℃.Do the aggregation inducing agent with ADP (30ul/ pipe) and collagen (30ul/ pipe), measure maximum aggregation intensity, and calculate its inhibiting rate.
Assemble inhibiting rate=(vehicle group aggregation intensity-test group aggregation intensity)/vehicle group aggregation intensity * 100%
2.2 the mensuration of hemorrhage rate
Mensuration is put to death rat after reuniting the collection inhibiting rate, dissects, and observes stomach mucous membrane hyperemia, oedema, hemorrhage situation by magnifying glass, and the rat of stomach mucous membrane hyperemia, oedema, bleeding is arranged, and charges to corresponding experimental group gastric bleeding example.
3. test-results
As can be seen from Table 2, the restraining effect of the rat platelet aggregation highly significant that the Hydrogen bromide prasugrel causes ADP and collagen, compare there was no significant difference with the toxilic acid prasugrel, show that the drug effect of Hydrogen bromide prasugrel has reached the effect of prior art fully, even be better than the toxilic acid prasugrel.
As can be seen from Table 3, behind the gastric infusion, the hemorrhage rate of Hydrogen bromide prasugrel significantly is lower than toxilic acid prasugrel group, and hemorrhage rate was low after this illustrated oral Hydrogen bromide prasugrel, and untoward reaction is little.
The restraining effect of the rat platelet aggregation that table 2 Hydrogen bromide prasugrel causes ADP and collagen
*Compare p＜0.01 with control group;
Table 3 Hydrogen bromide prasugrel is to the influence of the hemorrhage rate of rat
The preparation of embodiment 9 Hydrogen bromide prasugrel tablets
Hydrogen bromide prasugrel 10g
Pregelatinized Starch 1500 75g
Microcrystalline Cellulose 102 20g
Magnesium Stearate 1g
Preparation technology: above-mentioned raw materials is crossed 100 mesh sieves, and recipe quantity takes by weighing supplementary material, mixes, and direct compression, promptly.
The preparation of embodiment 10 Hydrogen bromide prasugrel tablets
Hydrogen bromide prasugrel 10g
Sodium starch glycolate 10g
Lactose 80 80g
Magnesium Stearate 1g
Preparation technology: above-mentioned raw materials is crossed 100 mesh sieves, and recipe quantity takes by weighing supplementary material, mixes, and direct compression, promptly.
The capsular preparation of embodiment 11 Hydrogen bromide prasugrels
Hydrogen bromide prasugrel 25g
Microcrystalline Cellulose 120g
Beta-cyclodextrin 20g
Micropowder silica gel 2g
Preparation technology: it is even earlier Hydrogen bromide prasugrel and beta-cyclodextrin to be put into the mortar ground and mixed, adds Microcrystalline Cellulose successively, micropowder silica gel mixes, the filling capsule shell, promptly.
Claims (13)
1. Hydrogen bromide prasugrel, it is represented by following formula (II):
Described Hydrogen bromide prasugrel is a single optical isomer or with the mixture of each optically active isomer of arbitrary proportion blended or the hydrate of Hydrogen bromide prasugrel.
2. the preparation method of a Hydrogen bromide prasugrel is characterized in that may further comprise the steps:
1) prasugrel is dissolved in the organic solvent;
2) stirring is cooled to the goal response temperature, under agitation condition, and the slow organic solvent that in the prasugrel organic solvent of step 1), drips Hydrogen bromide or be dissolved with hydrogen bromide; With
3) continue to be incubated and to be stirred to react completely.
3. method as claimed in claim 2 is characterized in that step 2) in temperature of reaction be-30 ℃～30 ℃, the reaction times is 10 minutes～24 hours.
4. method as claimed in claim 3 is characterized in that step 2) in temperature of reaction be-25 ℃～20 ℃, the reaction times is 10 minutes～8 hours.
5. method as claimed in claim 4 is characterized in that step 2) in temperature of reaction be-20 ℃～15 ℃, the reaction times is 10 minutes～5 hours.
6. method as claimed in claim 2 is characterized in that prasugrel and hydrobromic mol ratio are 1: 0.95～1.4.
7. method as claimed in claim 2, it is characterized in that solvent described in the step 1) is selected from one or more among toluene, dimethylbenzene, ethane, hexanaphthene, methylene dichloride, ethyl acetate, ether, tetrahydrofuran (THF), sherwood oil, acetone, methyl alcohol, ethanol, acetonitrile and the DMF.
8. method as claimed in claim 7 is characterized in that solvent described in the step 1) is selected from one or more in tetrahydrofuran (THF), acetone, methyl alcohol, the ether.
9. method as claimed in claim 8 is characterized in that solvent described in the step 1) is selected from one or more in acetone, ether and the methyl alcohol.
10. method as claimed in claim 2 is characterized in that, in step 2) in, once or gradation drip described Hydrogen bromide or be dissolved with the organic solvent of hydrogen bromide.
11. a pharmaceutical composition is characterized in that containing Hydrogen bromide prasugrel or Hydrogen bromide prasugrel and pharmaceutical excipient.
12. pharmaceutical composition as claimed in claim 11 is characterized in that, described pharmaceutical composition is granule, capsule, tablet, injection, infusion solution or suppository.
13. the described Hydrogen bromide prasugrel of claim 1 is used for preventing or treat the application of the medicine of the disease that thrombosis or embolism cause in preparation.
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| CN101456864A (en) * | 2007-12-11 | 2009-06-17 | 鲁南制药集团股份有限公司 | Prasugrel sulphate, composition and method for making the same |
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| CN103524530A (en) * | 2013-10-24 | 2014-01-22 | 广州邦民制药厂有限公司 | Prasugrel hydrobromide and preparation method thereof |
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| CN103265558A (en) | 2013-08-28 |
| CN103265558B (en) | 2015-11-11 |
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