CN101117330B - Tartrate of isofagomine and use thereof - Google Patents
Tartrate of isofagomine and use thereof Download PDFInfo
- Publication number
- CN101117330B CN101117330B CN2007101388103A CN200710138810A CN101117330B CN 101117330 B CN101117330 B CN 101117330B CN 2007101388103 A CN2007101388103 A CN 2007101388103A CN 200710138810 A CN200710138810 A CN 200710138810A CN 101117330 B CN101117330 B CN 101117330B
- Authority
- CN
- China
- Prior art keywords
- isofagomine
- tartrate
- alcohol
- solvent
- purity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Images
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Abstract
A novel tartaric acid salt of Isafagomine (Isofagomine tartrate) that can be used for the treatment of Gaucher disease is provided. The invention also provides a crystalline form of isofagomine tartrate, method for preparing the salt, a pharmaceutical composition containing the salt, and a method of treating Gaucher disease.
Description
The application requires to enjoy the right of priority of following application: U.S. Provisional Patent Application that application number is 60/808020, the applying date is on May 24th, 2006 and application number are 60/890719, the applying date is the U.S. Provisional Patent Application on February 20th, 2007, and more than application is introduced this paper as a reference in full.
Background of invention
Gaucher disease (Gaucher disease) be with patient's cell in, the relevant lysosomal storage disease of glycosphingolipid (GSL) accumulation in monocyte and the scavenger cell especially.The accumulation of this unusual sphingoglycolipid results from coding lysosomal enzyme acid the beta-glucosidase enzyme ((glucocerebrosidase of acid β-glucosidase); GCase) hereditary defect in the gene (sudden change), sour beta-glucosidase enzyme are a kind of lysosomal hydrolases that can decompose GSL glucosylceramide (GluCer).Most of glucocerebrosidase gene (Gba) sudden change has caused GCase folding mistake in endoplasmic reticulum (ER).The GCase of this folding mistake is discerned by the endoplasmic reticulum quality control system, be degraded subsequently, rather than processed be transported to lysosome.
Gaucher disease is that the total man plants disease, and total incidence is about 1/50,000-100,000 births.The sickness rate of specific crowd is than higher.For example, in Ashkenazim crowd, it is the carrier of Gba sudden change that 1/15th people is arranged approximately.According to the data of national Gaucher disease foundation, there are 2500 Americans to suffer from Gaucher disease approximately.
Gaucher disease is the autosomal recessive disease, also is modal lysosomal storage disease.According to the situation of involving of nerve and the severity of disease, this disease can be divided into 3 kinds of Clinical types.1 type is the most common, and characteristic is not involve nerve.The severity scope of patient's performance is very wide; Some people is asymptomatic throughout one's life.Great majority 1 type patient shows as spleen and liver increases, bone is unusual, bone damages and lasting inflammatory reaction.1 type Gaucher disease patient's liver glucose cerebroside ester level is higher than normal level 23-389 doubly.
2 type Gaucher diseases are the rarest and the most serious types.It is relevant with the early stage morbidity of acute nervous system disease.The characteristic feature of nervosa Gaucher disease is that level is watched attentively unusually.This kind of patient develops into and carries out encephalopathy (HIE) and EPS, for example tetanic and parkinson's appearance motion (parkinson's syndrome).Great majority 2 type Gaucher disease patients die from breathlessness or the mistake suction that nerve degeneration causes in early days in childhood.
3 type Gaucher diseases also involve nerve, and are just light than the degree of 2 types.These patients also have the splenauxe and skeletal defect symptom of the liver in 1 type, also have the cns symptom simultaneously, comprise ataxy (ataxia), convulsive seizure, eye muscle paralysis, epilepsy and dementia.3 type Gaucher disease patients can live to and grow up, but probable life is shortened.Had report 3 type Gaucher diseases that 3 subclass are arranged: the 3a type, with the significant splenauxe and bone marrow disease of liver; The 3b type is with limited constitutional symptom (limited systemic symptoms); The 3c type,, corneal clouding splenauxe, the ataxia (progressive ataxia) of carrying out property and dementia, heart valve and aortic root calcification with liver.
The treat-ment of Gaucher disease comprise algucerase (ERT), bone marrow transplantation (BMT), substrate reduce therapy (substrate reduction therapy) (SRT), gene therapy and pharmacology chaperone treatment (chaperone treatment).Isofagomine (isofagomine) is effective suppressor factor of recombinant human acid beta-glucosidase enzyme (GCase).Improve in the lysosomal storage disease the active pharmacology chaperone treatment of mutant enzyme at the USP of owning together 6,916,829,6 through enzyme inhibitorss such as application examples such as isofagomines; 599,919,6,589; 964,6,583,158 and 7; Have in 141,582 openly, they introduce this paper as a reference in full.For example, show, the GCase suppressor factor is joined to cause in the fibroblast cell cultures that GCase transportation and lysosome are active and improve, point out this type suppressor factor having the treatment meaning aspect the Gaucher disease treating.
Recently have been found that between Gba transgenation and the Parkinson's disease relevant.In a research, find; One group suffer from rare, early onset thereof, to treatment have resistivity 17 patients of parkinson's syndrome have the allelotrope of at least one Gba missense mutation; Comprise isozygotying and heterozygous individual of N370S; N370S is typically relevant with 1 type Gaucher disease of non-neuropathic sudden change (Tayebi etc., Mol.Genet.Metab.2003; 79; 104-109).In another research, 99 6 Gba sudden changes (N370S, L444P, 84GG, V394L and R496H) of suffering from the parkinsonian Ashkenazim crowd of the special property sent out have been studied.31 Parkinson's disease patients have the Gba allelotrope of 1 or 2 sudden change: wherein 23 people's N370S is a heterozygosis; 3 people's N370S isozygotys; 4 people's 84GG is a heterozygosis; 1 people's R496H is heterozygosis (people such as Aharon-Peretz, New Eng.J.Med.2004; 351:1972-77).The allelic incidence of mutant N370S is 5 times of incidence among 1573 normal subjectses, is 21 times among the normal subjects for the incidence of 84GG.In the parkinsonian, also the patient age than non-carrier is little to carry the patient of Gba sudden change.This research shows that the heterozygosis of Gba sudden change possibly make the Ashkenazim be prone to suffer from parkinson's disease.Shown that isofagomine can pass the hemato encephalic barrier of animal and improve these two kinds of mutant wild-type GCase active; Therefore it can be used for treating the parkinson patient with GCase heterozygous mutant, or treatment is owing to other factors has the patient who develops into parkinsonian risk but can benefit from the raising of wild-type GCase level.
Though the isofagomine compound is effectively and has optionally recombinant human acid beta-glucosidase enzyme (GCase) suppressor factor, its application as medicine is faced with challenge.For example; The hydrochloride of isofagomine (isofagomine-HCl) at USP 5; 844,102 is open, yet; Isofagomine-HCl and isofagomine free alkali are not easy by large scale purification, and they have bad solid property to the application of industrial scale working method and medicine preparation.
Summary of the invention
In one embodiment, the invention provides the tartrate compound of isofagomine, it has following chemical structure:
Wherein, n is 1 or 2.The present invention also provides highly purified and has been the tartrate of isofagomine of crystallized form.
In another embodiment, the invention provides the compsn that comprises tartrate of isofagomine, be preferably at least 50%, preferred 90%, even more preferably 99%.The present invention also provides and has comprised at least 90% or the compsn of above tartrate of isofagomine, and wherein the particle diameter of 90% tartrate of isofagomine is 1200 μ m.
In another embodiment, the invention provides the pharmaceutical composition that comprises tartrate of isofagomine and one or more pharmaceutically acceptable vehicle.
In another embodiment, the invention provides the method for preparing tartrate of isofagomine.The present invention also provides the method for preparing the high purity tartrate of isofagomine.
And, in another embodiment, the invention provides the method for the mammiferous Gaucher disease of treatment, mammiferous GCase is active to be realized thereby tartrate of isofagomine or its pharmaceutical composition of this method through giving medicine effective quantity improves.
In another embodiment, the invention provides L-(+)-tartrate of isofagomine.The present invention also provides the mixture of tartrate and isofagomine.
In another embodiment, the invention provides the crystallized form of tartrate of isofagomine.Preferred this crystallized form has the X-ray powder diffraction pattern that comprises 5 or more a plurality of following peaks: (2 θ) 9.29 ± 0.009,14.17 ± 0.009,16.34 ± 0.009; 18.07 ± 0.009,18.72 ± 0.009,19.44 ± 0.009; 20.56 ± 0.009; 22.13 ± 0.009,23.01 ± 0.009,24.54 ± 0.009 and 27.12 ± 0.009.More preferably the X-ray diagram comprises following peak: (2 θ) 9.29,14.17,16.34,18.07,18.72,19.44,20.56,22.13,23.01,24.54 and 27.12.Even more preferably this crystallized form has X-ray powder diffraction pattern same as shown in Figure 5 basically.
The accompanying drawing summary
Fig. 1 has shown the positive ESI mass spectrum according to the tartrate of isofagomine of one embodiment of the invention preparation.
Fig. 2 has shown that the tartrate of isofagomine for preparing according to one embodiment of the invention is at D
2Among the O
1H NMR figure.
Fig. 3 has shown that the tartrate of isofagomine for preparing according to one embodiment of the invention is at D
2Among the O
13C NMR figure.
Fig. 4 has shown that the tartrate of isofagomine for preparing according to one embodiment of the invention is at D
2Spin echo among the O
13C NMR figure.
Fig. 5 has shown the X-ray powder diffraction pattern according to the tartrate of isofagomine of one embodiment of the invention preparation.
Fig. 6 has shown thermogravimetric analysis (TGA) figure according to the tartrate of isofagomine of one embodiment of the invention preparation.
Fig. 7 has shown the infared spectrum according to the tartrate of isofagomine of one embodiment of the invention preparation.
Fig. 8 A has shown according to isofagomine L-(+)-tartrate (2: 1) of one embodiment of the invention preparations
1H NMR (D
2O) figure.
Fig. 8 B has shown according to isofagomine D-(-)-tartrate (2: 1) of one embodiment of the invention preparations
1H NMR (D
2O) figure.
Fig. 8 C has shown according to isofagomine D-(-)-tartrate (1: 1) of one embodiment of the invention preparations
1H NMR (D
2O) figure.
Fig. 9 has shown that the IFG tartrate is to the active exercising result of healthy individuals GCase.
Figure 10 has shown the size distribution analytical results according to the isofagomine of one embodiment of the invention preparation.
Detailed Description Of The Invention
In general, term used herein has the common definition of this area in the used specific context of each term of context neutralization of the present invention.Describing the compositions and methods of the invention and how to prepare and use in them, hereinafter or other part of this specification sheets some term has been discussed so that other guidance is provided to the practitioner.
Term " Gaucher disease " comprises 1 type, 2 types and 3 types (comprising 3a, 3b and 3c), and intermediate type and based on the subgroup of phenotype performance.
Term " significant quantity " and " effectively ... amount " refer to be enough to produce the amount of treatment response.It is to be effectively any response of response as far as treatment that treatment response can the person of being to use (like the doctor) be regarded as, and comprises the improvement of aforementioned symptom and the clinical marker that substitutes.Thereby treatment responds the normally improvement of one or more symptoms of Gaucher disease, like the neurodegenerative improvement of carrying out property among 2 types and the 3 type Gaucher disease patients." treatment significant quantity " will change according to used prescription, Gaucher disease type and severity thereof and mammiferous age, body weight, physical state and the responsiveness of treating.Treatment response also can be that sick (α-synucleinopathies) is like the improvement of one or more symptoms of dementia with Lewy body, and for said disease, the expection tartrate of isofagomine can be used to treat them for parkinson's disease or other alpha-synapse nucleoprotein.
Phrase " pharmaceutically acceptable " refer to when be applied to man-hour be can tolerate on the physiology and can not produce the molecular entity and the compsn of undesirable reaction usually with unacceptable level.Preferably, as used herein, term " pharmaceutically acceptable " refers to can be used for animal, be more especially the people's by perhaps in USP or other universally recognized pharmacopeia, listing of the administration of federation or state government approval.
Used term " carrier " refers to thinner, vehicle or the medium used jointly with tartrate of isofagomine in pharmaceutical composition of the present invention.The selection of carrier can be put into practice according to route of administration and the standard pharmaceutical of expection and select.Pharmaceutical composition can comprise tackiness agent, lubricant, suspension agent, seed dressing agent, the solubilizing agent as---or except that carrier, comprising---any suitable of carrier.These pharmaceutical carriers can be aseptic liquid, and for example water, salt brine solution, D/W, aqueous glycerin solution and oil comprise oil, animal, plant or synthetic oil of originating, for example peanut oil, soya-bean oil, MO and til.Suitable pharmaceutical carrier has description in " Remington ' sPharmaceutical Sciences " (the 18th edition) that E.W.Martin showed.In a particularly preferred embodiment of the present invention, carrier is suitable for quick-release, and for example most of or all activeconstituentss are gone through short period, for example 60 minutes or shorter time release, and make the rapid absorption of medicine become possibility.
" pharmaceutically acceptable carrier " refers to can be used for to prepare safe, nontoxic, both also carrier of the pharmaceutical composition do not expected of non-others of abiology, comprises for pharmaceutical use it being acceptable vehicle.Used " pharmaceutically acceptable carrier " comprises a kind of this type carrier with more than one among the application.
Term " hydroxyl protecting group " refers to protect any conventional group of hydroxyl with the reaction avoiding not expecting, such as but not limited to methoxymethyl, 4-methoxy-benzyl, benzyl, dimethyl-sec.-propyl silyl, trimethyl silyl and alkyl-carbonyl.
" individuality " refers to Mammals, and the preferred mankind, domestic animal, rodent or primate are most preferably human.
" need treatment individuality " refers to develop into and maybe possibly develop into Gaucher disease or a-synucleinopathies, parkinsonian individuality for example.In one embodiment, individual for being suffered from Gaucher disease or because the heredity in the Gba gene suddenlys change to be confirmed to be has excessive risk and develop into a member among the Ashkenazim crowd of Gaucher disease by diagnosis.Yet the individuality of suffering from Gaucher disease in the world arbitrarily contained in term " individuality ", or on genetics the risky individuality that develops into this disease, perhaps risky a-synucleinopathies, the parkinsonian individuality for example of developing into.
The activity of term " raising " GCase representes to make among the ER the proteic conformation of mutant GCase stable; So that i) to allow its conformation that withdraws from ER folding; Cause GCase level raising among the ER; And/or ii) obtain its natural place in cell, and/or iii) demonstrate metabolic activity to its lipid substrates cerebroside.This term also refers to improve or prolong the proteic activity of the exogenous GCase that uses, thereby promptly prolongs its activity through the stability that improves GCase with its transformation period of prolongation.
Term used herein " pure basically " refers to that isofagomine salt comprises and is no more than other compound of about 5%.Preferably " pure basically " isofagomine salt comprises about 2% or any other compound still less.Even more preferably " pure basically " isofagomine salt comprises about 1% or any other compound still less.
Term " about " and " approaching " should refer to usually in view of the character of measuring or precision as far as the acceptable error degree of the amount of being measured.Typical exemplary error degree be the value of giving or the value of giving scope 20% in, in preferred 10%, more preferably in 5%.Selectively and particularly in the biology system, term " about " can refer in the value rank of the value of giving with " approaching ", preferably in 10 times or 5 times, more preferably in 2 times.Unless otherwise indicated, the quantitative value that this paper gave all is approximations, this means that term " about " can be inferred with " approaching " when not offering some clarification on.
Singulative as used herein " one " " a kind of " and " being somebody's turn to do " comprise plural form, and context has except the clearly indication in addition.Thereby for example, appellation " a kind of " carrier comprises one or more carriers.
The invention provides the particular form of isofagomine---tartrate of isofagomine.Compare with the isofagomine form of former description, tartrate of isofagomine has many improved character.For example, compare with known other isofagomine salt form, tartrate of isofagomine is purifying more easily, especially in solvent such as water and/or ethanol, and has higher stability.Tartrate of isofagomine is particularly suitable for the production of industrially scalable, for example greater than 1 kilogram products production.
Isofagomine be (5R)-5-(hydroxymethyl)-3,4-piperidines glycol has following chemical structure for 3R, 4R:
Its molecular formula is C
6H
13NO
3, molecular weight is 147.17g/mol.In people's such as people's such as Sierks USP 5,844,102 and Lundgren the USP 5,863,903 the synthetic of this compound described.Patent 5,844,102 disclose wherein described compound can form pharmacologically acceptable salt, comprises organic carboxylate, for example acetate, lactic acid, tartrate, oxysuccinic acid, different thionic acid (isothionic acid), lactobionic acid and succsinic acid.Yet unique salt of being given an example in this patent (and document subsequently that the applicant knew) is hydrochloride.As described herein, hydrochloride is not suitable for the preparation of suitability for industrialized production or dosage form.
Term tartrate of isofagomine used herein refers to the tartrate of isofagomine, can represent as follows:
Wherein n is 1 or 2.Tartrate can have different stereoisomeric forms in any ratio: D-or L-tartrate, or DL-or meso-tartrate.The present invention and embodiment are main, and employing L-(+)-tartrate is described as embodiment preferred and isofagomine salt thereof.Yet; Term tartrate is intended to contain D and L isomer and DL mixture and meso-tartrate, thereby the term tartrate of isofagomine is intended to comprise single-or two-isofagomine-L-tartrate, list-or two-isofagomine-D-tartrate, list-or two-isofagomine-DL-tartrate and/or singly-or two-isofagomine-meso-tartrate.L-tartrate is that the enantiomer enriching quantity is 97% or above (2R; 3R)-(+)-tartrate; D-tartrate is that the enantiomer enriching quantity is 97% or above (2S, 3S)-(-)-tartrate, DL-tartrate is the enantiomer enriching quantity less than 97% D-and the tartaric mixture of L-.
Tartrate of isofagomine can be prepared as follows: the isofagomine free alkali is dissolved in alcohol, the preferred alcohol; Handle in alcohol, preferred alcohol with substituted carboxylic acid; Simultaneously in stirring at room; Wherein said substituted carboxylic acid comprises amino acid, di-carboxylic acid or tartrate, and tartrate comprises diacyl tartrate.Hydrochlorate (acid salt) is settled out from ethanolic soln.Filter and collect the tartrate of isofagomine bullion.Before adding acid, can be with the pre-filtering of isofagomine solution to remove any granule foreign.After adding acid, cooling gained suspension is so that the salt deposition fully.
In another embodiment, isofagomine hydrochlorate of the present invention can be prepared as follows: substituted carboxylic acid or tartrate are added in the solution, and wherein isofagomine is separated by in-situ preparing.
Perhaps, isofagomine hydrochlorate of the present invention can prepare from the inorganic acid salt such as the isofagomine hydrochloride of isofagomine.This conversion can be accomplished as follows: the preparation isofagomine, then handle free alkali with substituted carboxylic acid.For example, the isofagomine free alkali can form as follows: handle hydrochloride with alkalescence source, for example mineral alkali, ammonia or ammonium hydroxide aqueous solution, perhaps be placed in the basic resin or basic resin post of solid support.When using basic resin, like the eluant solution among methyl alcohol, ethanol, the IPA etc., so that the isofagomine free alkali to be provided, it can be converted into isofagomine hydrochlorate of the present invention at alcohol for resin column used water, ammonium hydroxide aqueous solution or volatile caustic.
Because tartrate is diprotic acid, so can accomplish through following soda acid ratio range to the conversion of tartrate: tartrate is the 0.5-1 molar equivalent with respect to the isofagomine free alkali.Tartrate can be one of racemic (D or L-form) or three kinds of stereoisomeric forms in any ratio---L-(+) form, D-(-) form and meso-form---.The optimum condition of preparation tartrate adopts solution of ammonium hydroxide to generate free alkali; Adopt 9: 1 ethanol/volatile caustic wash-out free alkali on silicagel column; Evaporating solvent and excessive volatile caustic form tartrate in water/ethanol, and crystallization goes out from water/ethanol.
Isofagomine and tartrate can combine in stoichiometric range.Because tartrate is diprotic acid, mol ratio is that isofagomine/tartrate of 2: 1 to 1: 1 provides stable salt (seeing embodiment 3).Preferred molar ratio is 1: 1.Stoichiometric range can be applicable to all tartrate isomer.
Purification process, preferred recrystallization that the isofagomine hydrochlorate can adopt most conventional to use come purifying.For example, the tartrate of isofagomine bullion can by or not by proton or non-proton cosolvent recrystallization in water, said cosolvent is alcohols preferably, for example methyl alcohol, ethanol, propyl alcohol or butanols.Recrystallization not only can on a small scale but also can carry out for example inferior kilogram quantities with industrially scalable effectively.Table 1 has been summed up purity and the yield of some embodiment of and purifying prepared according to the present invention.
Table 1
Sample number | Purity (%) | Yield (g) |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | >98 >98 96.8 84.5 95.9 87.4 94.6 95.6 95.8 99.8 98.1 97.6 99.0 99.3 99.5 98.0 | 5 15 55 45 40 71 45 343 851 14 134 128 72 116 57 1368 |
In a preferred embodiment, the tartrate of isofagomine bullion is soluble in water, in gained solution, add equivalent ethanol, obtain the deposition of compound.Then add ethanol (1 volume) and stirring in addition.The ethanol that adds other 2 parts of aliquots containigs makes the ratio of ethanol/water approach 4: 1 to repeat this process.Though most of tartrate of isofagomine go out crystallization after adding the 1st part of volume of ethanol, can adopt other aliquots containig to make the yield maximization.Behind the recrystallization, filter and wash solids.Whole purge process can at room temperature be carried out.Tartrate of isofagomine can be purified to about 99% or higher purity with this method.Thereby the tartrate of isofagomine that obtains according to one embodiment of the invention has 95% or higher purity, preferred 98% or higher purity, or even more preferably 99% or higher purity.
Tartrate of isofagomine also can adopt other solvent or solvent systems to come purifying, for example 1: 1 ethanol/water, 1: 1 acetone, 2: 1 ethanol/waters, 2: 1 acetone or 3: 1 ethanol/waters.Also can use gac to remove any foreign pigment.These solvents can provide separately and be higher than 95% purity, and great majority provide and have been higher than 98% purity.
The easy property of the purifying of tartrate of isofagomine can through with the aqueous solution in the purifying of isofagomine hydrochloride compare and explain, for the latter, need lyophilize.Filter the material that the isofagomine hydrochloride can produce yellow and gluey viscosity.Simultaneously, tartrate of isofagomine of the present invention has good characters powder, for example, crystalline size, density and flowability, these characteristics are suitable for medicine production process.Table 2 and 3 has been summed up the powder characteristics of tartrate of isofagomine sample prepared in accordance with the present invention.Tartrate of isofagomine prepared in accordance with the present invention is not thin powder; But be medium sized particle mostly; Its bulk density is about 0.44g/ml, and Ka Er index (Carr Index) is 15%, and it has the good fluidity and the easy property handled that is suitable for medicine production process thus.The consistence of size distribution between tartrate of isofagomine through the preparation of above-mentioned recrystallization process also demonstrates batch, baseline fluctuation scope thereby have been avoided in the preparation process the disadvantageous oarse-grained existence of the accurate measurement of salt between 0.7-1.5.Most of batch can so that 98% or more perhaps the particle diameter of at least 90% tartrate of isofagomine be about 1200 μ m or lower.
Table 2
Screen analysis | Keep % |
40 | 0.6 |
60 | 15.5 |
80 | 49.2 |
120 | 28.4 |
200 | 5.9 |
325 | 0.4 |
>325 | 0.0 |
Table 3
Bulk density | 0.44g/ml |
Tap density | 0.52g/ml |
The Ka Er index | 15% |
11 batches baseline span range of variation (average span) | 0.79-1.53(1.18) |
And tartrate of isofagomine does not have water absorbability, and moisture absorption is merely about 0.08% after being exposed to 75%RH and reaching 8 days.The sucting wet experiment result of 6 different tartrate of isofagomine samples prepared in accordance with the present invention is summarized in the table 4 and 5.
The Study on Hygroscopicity that table 4. adopts the Sodium Bromide saturated solution to carry out
0 hour | 24 hours | 48 |
8 days | |
Relative humidity (RH) | 60% | 59% | 59% | 59% |
Temperature (℃) | 19.4 | 20.5 | 20.8 | 20.2 |
Sample number | Weightening finish (%) | Weightening finish (%) | Weightening finish (%) | Weightening finish (%) |
1 | NA | 0.06 | 0.04 | 0.06 |
2 | NA | 0.00 | 0.02 | 0.07 |
3 | NA | 0.05 | 0.10 | 0.10 |
Average weight gain (%) | NA | 0.04 | 0.05 | 0.08 |
The Study on Hygroscopicity that table 5. adopts sodium chloride saturated solution to carry out
0 hour | 24 hours | 48 |
8 days | |
Relative humidity (RH) | 72% | 72% | 71% | 72% |
Temperature (℃) | 19.5 | 20.5 | 20.8 | 20.2 |
Sample number | Weightening finish (%) | Weightening finish (%) | Weightening finish (%) | Weightening finish (%) |
1 | NA | 0.02 | 0.05 | 0.10 |
2 | NA | 0.00 | 0.00 | 0.00 |
3 | NA | 0.08 | 0.8 | 0.15 |
Average weight gain (%) | NA | 0.04 | 0.05 | 0.08 |
Therefore, the present invention's method of preparing tartrate of isofagomine is suitable for preparing the large batch of tartrate of isofagomine that can be used for pharmaceutical composition.According to the preparation purpose, the tartrate of isofagomine in enormous quantities that makes according to the present invention can be made into the thick slightly form of purity about 80%.Yet also can tartrate of isofagomine be prepared into purity is that 90% perhaps higher, preferred at least 99% and 90% tartrate of isofagomine has about 1200 μ m or littler particle diameter.
HPLC can be used for measuring the existence of the content and the organic impurity of isofagomine hydrochlorate of the present invention.Short wavelength UV detection is suitable for ining contrast to reference standard and calculates content.Those skilled in the art's concentration, chromatographic column type, solvent per sample wait to confirm the conditions suitable that HPLC analyzes.However, the instance of following condition as the mensuration tartrate of isofagomine is provided: moving phase can be 10mM volatile salt (NH
4HCO
3)/acetonitrile (CAN) 30/70, the isoconcentration pattern, flow velocity is 0.5mL/min; The HPLC post can be Alltech Prevail glucide post (4.6 * 150mm, 5 μ m particle diameters), 50 ℃ of service temperatures; Detect wavelength and can be set to 210nm, 15 minutes working times; Drug sample dissolves in moving phase, and sampling volume is 10 μ L.
Electricity mist formula detector (CAD) can be used for measuring impurity.Sample also can adopt Evaporative Light-Scattering Detection Technology (ELSD) and UV to detect and analyze.The CAD detector adopts evaporation technique to dissolve analyte in the presence of nitrogen carrier gas.The corona spark is given nitrogen with charge transfer, and nitrogen is given analyte with charge transfer.At analyte its charge transfer is detected analyte during to electrometer, measure with electric current.When adopting the CAD detector, moving phase can be 5mM ammonium acetate/CAN 50/50, the isoconcentration pattern, and flow velocity is 1.0mL/min, the HPLC post is Primesep 100 (4.6 * 150mm, 5 μ m particle diameters), 25 ℃ of service temperatures.Drug sample prepares in moving phase, and sampling volume can be 10 μ L.Be about 70 minutes the working time of this method.Impurity adopts, and high/low sample introduction order (high/low injectionsequence) is measured, and sample carries out quantitatively with respect to the standard substance of 1% nominal sample concentration.
Can adopt FT-IR to carry out to the evaluation of isofagomine hydrochlorate of the present invention, perhaps further pass through
1H NMR with
13C NMR confirms.Fig. 2-5 has shown according to the tartrate of isofagomine of one embodiment of the invention preparations
1H,
13C NMR and IR collection of illustrative plates.Residual solvent can adopt headspace gas chromatography (GC) to monitor.The resistates of water, igniting and heavy metal can be monitored through the standard official method.Palladium is monitored through the ICP spectrography, because it is the used catalyzer of last step of hydrogenation.
Fig. 6 has shown the X-ray powder diffraction pattern according to the tartrate of isofagomine of one embodiment of the invention preparation.This figure adopts Bruker D8 Advance diffractometer to obtain, and analyzes and adopts following condition under 2-45 ° of 2 θ, to carry out:
Divergent slit | 0.6mm | The anti-scatter slit | 0.6mm |
Receive slit | 0.1mm | The detector slit | 0.6mm |
Step-length | 0.02° | The level time (step time) in |
5 seconds |
Though the X-ray powder diffraction pattern can be used for the particular solid form of authenticating compound, i.e. polymorphic forms,, because specimen preparation or obtain the difference that is caused in the collection of illustrative plates process, its 2 θ value and intensity and d-spacing can change.And, when distributing 2 θ and d-spacing, possibly there are some margin of error.2 θ values have ± 0.009 deviation.Thereby in order to identify concrete crystallized form, a kind of preferred comparison X-ray powder diffraction pattern method is with the X-ray powder diffraction pattern of unknown form and overlapping and their characteristic peak of comparison of X-ray powder diffraction pattern of form known.However, table 6 has been summed up 2 θ, d-spacing, intensity and the % intensity level of Fig. 6.When in confirming compsn, whether having crystallized form of the present invention, can identify that the peak of in those the peak 5 or tool characteristic compares with table 6.The peak of tool characteristic comprises 9.29,14.17,16.34,18.07,18.72,19.44,20.56,22.13,23.01,24.54 and 27.12.
Table 6
Isofagomine hydrochlorate of the present invention can be used with the form that is suitable for any route of administration, for example comprises with tablet, capsule or liquid form oral administration, or uses with the injection of aseptic aqueous solution form.It can be with following form oral administration: tablet, capsule, globule (ovules), elixir, solution or suspension, gel, syrup, mouth wash shua; Perhaps at the dry powder that faces with preceding water or other suitable solvent reconstruct; Choose wantonly and contain correctives and tinting material, be used for quick-release, postpone to discharge, change release, slowly-releasing, pulse release or controlled release application.Also can use solids compsn, for example tablet, capsule, lozenge, pastille, pill, bolus, powder agent, paste, granule, bolus (bullet) or premixed type preparation.Solid or liquid oral compsn can prepare according to method well known in the art.These compsns also can comprise the pharmaceutically acceptable carrier and the vehicle of one or more solids or liquid form.In a concrete embodiment, tartrate of isofagomine is with the administered of powder filled capsules.When compound is formulated as oral dosage form, can process tablet or capsule through ordinary method, the pharmaceutically useful vehicle of employing, said vehicle for example has tackiness agent (for example pregelatinized corn starch, Vinylpyrrolidone polymer or Vltra tears); Weighting agent (for example lactose, Microcrystalline Cellulose or secondary calcium phosphate); Lubricant (for example Magnesium Stearate, talcum powder or silicon-dioxide); Disintegrating agent (for example potato starch or primojel); Perhaps wetting agent (for example Sulfuric acid,monododecyl ester, sodium salt).Tablet can adopt method well known in the art to carry out dressing.
Pharmaceutically acceptable vehicle also comprises Microcrystalline Cellulose, lactose, Trisodium Citrate, lime carbonate, secondary calcium phosphate and glycocoll; Disintegrating agent such as starch (preferred W-Gum, potato starch or tapioca(flour)), primojel, Sodium Croscarmellose and some complex silicate, and particle binders such as Vinylpyrrolidone polymer, Hydroxypropyl ethyl cellulose (HPMC), hydroxypropylcellulose (HPC), sucrose, gelatin and gum arabic.In addition, can comprise lubricant such as Magnesium Stearate, Triple Pressed Stearic Acid, glyceryl behenate and talcum powder.
Also can adopt the weighting material of the solids compsn of similar type as gelatine capsule.In this regard, preferred vehicle comprises lactose, starch, Mierocrystalline cellulose, lactose (milk sugar) or high molecular weight polyethylene glycol.For aqueous suspension and/or elixir, can merge with material and various emulsifying agent and/or suspending agent and with thinner such as water, ethanol, Ucar 35, glycerine and their combination.
The liquid preparation of oral administration can be taked the for example form of solution, syrup or suspensoid; Perhaps can they be processed and face with preceding water or other suitable solvent (for example ethanol or polyvalent alcohol such as USP Kosher, Ucar 35, polyoxyethylene glycol etc.; The mixture that they are suitable, and vegetables oil) drying prods of reconstruct.This class I liquid I preparation can adopt pharmaceutically acceptable additive to prepare through ordinary method, for example suspending agent (for example water, sorbitol syrups, derivatived cellulose or edible hydrogenated fat); Emulsifying agent (for example Yelkin TTS or gum arabic); Non-water-soluble matchmaker (for example Prunus amygdalus oil, oily ester, ethanol or fractionated vegetable oil); And sanitas (for example methyl paraben and propyl ester or Sorbic Acid).Oral Preparation can be processed the preparation of controlled release or slowly-releasing isofagomine hydrochlorate of the present invention aptly.
Suitable flowability can through for example use dressing such as Yelkin TTS, through keep under the dispersion state required particle diameter and through using tensio-active agent to keep.Stop action of microorganisms to realize, for example parabens, trichloro-butyl alcohol, phenol, benzylalcohol, Sorbic Acid etc. through using various antiseptic-germicides and anti-mycotic agent.Under many circumstances, can reasonably comprise isotonic agent such as sugar or sodium-chlor.The prolongation of Injectable composition absorb can be through in compsn, using delayed absorption material such as aluminum monostearate and gelatin realize.
Be suitable for gi tract outer/the tartrate of isofagomine pharmaceutical prepn of injectable (for example through vein single fast injection or infusion, or through intramuscular, subcutaneous or intrathecal route) purposes generally includes aseptic aqueous solution, dispersion liquid and is used for processing the sterilized powder of sterile injectable solution or dispersion liquid temporarily.Tartrate of isofagomine can perhaps provide in multi-dose container in ampoule or other unit-dose container with unit dosage form, if necessary, can add sanitas.Composition for injection can be suspensoid, solution or the emulsion in oiliness or aqueous vehicles, and can comprise preparation material such as suspending agent, stablizer, solubilizing agent and/or dispersion agent.Perhaps, activeconstituents can be to be used to face the sterilized powder form with suitable solvent of preceding usefulness such as aseptic, pyrogen-free water reconstruct.In all cases, each form must be aseptic, and the mobile degree that must reach easy injection.It must be stable under production and condition of storage, and must be by anticorrosion pollution with opposing mikrobe such as bacterium and fungi.The standard pharmaceutical technology that the suitable parenteral formulations of preparation can easily be known by one of skill in the art under aseptic condition realizes.
Aseptic parenteral solution is prepared as follows: tartrate of isofagomine aequum, in appropriate solvent is mixed with above-named various other compositions, take the circumstances into consideration succeeded by filtering or final sterilization.Usually, dispersion liquid is prepared as follows: the activeconstituents of various sterilizations is mixed those required other composition that said medium comprises basic dispersion medium and enumerates from preceding text with sterile media.For the sterilized powder that is used to prepare sterile injectable solution, preferred manufacturing procedure is vacuum-drying and Freeze Drying Technique, and it is produced activeconstituents and adds the powder from the required composition of any interpolation of the solution of previous sterile filtration.
Pharmaceutical composition can provide sanitas, stablizer, dyestuff and or even perfume compound.The instance of sanitas comprises Sodium Benzoate, xitix, p-Hydroxybenzoate.Also can use inhibitor and suspending agent.
Other pharmaceutically acceptable carrier that can comprise in the preparation has buffer reagent, for example citrate buffer agent, phosphate buffer, acetate buffer and bicarbonate buffer agent, amino acid, urea; Alcohol, xitix, phosphatide; Protein such as serum albumin, collagen, and gelatin; Salt, for example EDTA or EGTA and sodium-chlor; The liposome Vinylpyrrolidone polymer; Sugar, Expex for example, N.F,USP MANNITOL, sorbyl alcohol and glycerine; Ucar 35 and polyoxyethylene glycol (like PEG-4000, PEG-6000); Glycerine, glycocoll or other amino acid and lipid.The buffer system of using with preparation comprises Citrate trianion, acetate, supercarbonate and phosphate buffer.Phosphate buffer is for preferred embodiment.
Preparation also can comprise nonionogenic tenside.Preferred nonionic comprises Polysorbate 20, Polysorbate 80, Triton X-100, Triton X-114, Nonidet P-40, octyl group α-glucoside, octyl group β-glucoside, Brij 35, Pluronic and polysorbas20.
(transmission) approach of using includes but not limited to following one or more: oral (for example as tablet; Capsule maybe can absorb solution); Local; Mucous membrane (for example as nose spraying or inhalation aerosol); Intranasal; Gi tract outer (for example passing through injectable forms); Gi tract; In the backbone; Intraperitoneal; Intramuscular; Intravenously; Intrauterine; Intraocular; Intradermal; Encephalic; In the tracheae; Intravaginal; Intraventricular; In the brain; Subcutaneous; Eye (comprising in the vitreum or intracameral); Through skin; Rectum; The oral cavity; Epidural and hypogloeeis.
The tartrate of isofagomine parenteral formulations of more than describing can be used through periodically injecting quick single intravenous injection preparation, perhaps can use outside (for example bags) or inside (but for example the implant of bioerodable) through intravenously or intraperitoneal and store the storehouse and use.Referring to for example U.S. Patent number 4,407,957 and 5,798,113, each document is introduced this paper as a reference.The method and apparatus of intrapulmonary delivery medicine is for example at U.S. Patent number 5,654, description arranged in 007,5,780,014 and 5,814,607, and each document is introduced this paper as a reference.The outer delivery system of other useful gi tract comprises ethylene-vinyl acetate copolymer particulate, osmotic pump, implantable infusion system, pump transmission, seals cell transmission (encapsulated celldelivery), medicine injection, Needleless injection, atomizer, spraying gun, electroporation and transdermal patch are passed in liposome transmission, syringe needle.U.S. Patent number 5,879,327,5,520,639,5,846,233 and 5,704,911 have described needleless syringe devices, and the specification sheets of above document is introduced this paper as a reference.Above-mentioned any preparation can adopt these methods to use.
And, for the convenient various devices that design of patient can be used for preparation of the present invention as herein described like injection pen and the Needleless injection device that can heavily fill.
Usually, the doctor will confirm to be suitable for most individual curee's actual dose, and will effectively amount of treatment be provided to the curee.Concrete dosage level for any concrete individuality can be different with administration frequency; It depends on multiple factor, comprises type, age, body weight, general health, sex, diet, administering mode and time, discharge rate, drug combination situation, disease severity, the individual treatment of just carrying out of compound activity, the Gaucher disease of treating.For oral and gi tract external administration, the dosage that the dosage level of material can be single dose or separates.The significant quantity of preferred isofagomine hydrochlorate of the present invention or dosage are enough to improve mutant glucocerebrosidase expression levels; For example improve about 3-5% of this level of being found in the normal cell cell of the individuality of not suffering from Gaucher disease (promptly from); Preferred about 10%; More preferably from about 30%, and/or can improve or stop the GCase that has clinical meaning among the curee active not enough.
Significant quantity can confirm through normal experiment usually, but expection is to produce 0.01 to 100 μ M, preferred 0.01-10 μ M, the amount of the blood plasma level of 0.05-2 μ M most preferably.The effective dose of expection tartrate of isofagomine is the 0.5-1000mg/kg body weight/day, preferred 0.5-100,1-50mg/kg body weight/day most preferably.In a concrete embodiment, dosage is about 1-600mg/ days, is more especially 5-300mg/ days, is more particularly 10-150mg/ days.The mode of non-administration every day of focus attentions equally on.The applying date is that the U.S. Provisional Patent Application 60/914,288 on April 24th, 2007 has been described other dosage that uses tartrate of isofagomine treatment Gaucher disease to consider, the document is whole introduces this paper as a reference.
Treatment monitoring of the present invention is applicable after the patient adopts the combined therapy of tartrate of isofagomine and other therapies such as ERT or gene therapy equally.This combined therapy has description in the U.S. Patent Application Publication of owning together 2004/0180419 and 2004/0219132, these two pieces of documents are whole introduces this paper as a reference.
When isofagomine hydrochlorate of the present invention and second kind of therapeutical agent Combination application, the dosage of each compound can be different from the dosage of this compound list time spent.Those skilled in the art will easily estimate appropriate dosage.Being appreciated that compound of the present invention is used to treat required amount will be according to institute sanatory character and patient's age with situation and different, and will finally be determined by the doctor.
When administration successively, compound of the present invention or second kind of therapeutical agent all can at first be used.When the while administration, can in same or different pharmaceutical compsn, use said composition.
Be appreciated that when in same preparation, merging two kinds of compounds must be stable, each other and and other component of preparation between be compatible.When preparing respectively, they can with arbitrarily easily preparation, for example this compounds as far as this area is that known preparation provides.
Isofagomine can by the D-pectinose through in the past in document by people such as Danishefski at Tetrahedron Letters, 1990; 31 (16), 2229 midbodys reported synthesize.Yet this midbody synthesis step of being reported in the past is uneconomic for extensive synthesizing.This paper disclosed method can be produced those midbodys (and new intermediate) and final product with technical scale and high purity reliably and predictably.This is because all midbodys all separate through crystallization, thereby the method that makes is suitable for scale operation.
Isofagomine can synthesize by the synthetic route shown in the flow process 1.
Flow process 1.PG is the protection base, and LG is a leaving group
Have or solvent-free (clean reaction) in the presence of, the D-pectinose can adopt suitable pure and mild acvator to be converted into corresponding protected glucosides (A).For example, the scope of alcohol can comprise benzylalcohol or substituted benzylalcohol, like methoxyl group benzylalcohol, chlorobenzyl alcohol; Methyl alcohol, ethanol, Virahol; Cyclohexyl methyl alcohol etc., in solvent such as methylene dichloride, chloroform, THF 、 diox, DMF, DMA or NMP, acvator for example has HCl, HBr, H
2SO
4Or other acyl chlorides of some other mineral acids or Acetyl Chloride 98Min., propionyl chloride or carboxylic acid.Reaction can be carried out 2-48 hour under envrionment temperature to about 100 ℃ temperature.For the present invention, preferred alcohol is benzylalcohol or substituted benzylalcohol, more preferably benzylalcohol.Preferred solvent comprises diox, THF or clean reaction, is more preferably clean reaction.Preferred acvator comprises Acetyl Chloride 98Min. and H
2SO
4, more preferably Acetyl Chloride 98Min..Can easily isolate pure products through precipitating with non-polar solvent.For this product, preferred solvent and temperature are MTBE and envrionment temperature.
Through adopt ketone or dimethyl ketal or its enol ether acid in the presence of and have or does not have (clean reaction) polar co-solvent in the presence of (A) is converted into ketal (B), can be acetone solvate (acetonide) at 3-and further protection of 4-position hydroxyl with the general formula A glucosides of gained.For example, aliphatics or aromatic ketone, for example acetone, 2-butanone, UVNUL MS-40, pimelinketone, methyl phenyl ketone or their corresponding dialkyl group ketals, can be with the ortho position glycol in acid like H
2SO
4, tosic acid, camphorsulfonic acid or TMS triflate existence reaction down.Cosolvent comprises methylene dichloride, DMSO, DMF, DMA and NMP.In some cases, ketone also can be solvent, for example acetone.Temperature of reaction is an envrionment temperature to 100 ℃.For this reaction, preferred condition is to adopt acetone and 2, and 2-Propanal dimethyl acetal and tosic acid carry out at 40 ℃.Can easily isolate pure products through carrying out crystallization with the two-component system that comprises polarity and non-polar component.Preferred purification condition is ETHYLE ACETATE and heptane.
Through being converted into corresponding alkoxide, subsequently with alkylation reactions so that general formula C to be provided compound, acetone solvate (acetonide) (B) can be on the 2-hydroxyl be ether by further protection.Expensive bromotoluene and expensive silver suboxide are adopted in the protective reaction of being reported in the past.The formation of alkoxide easily adopt highly basic as and alkali (metal) hydrogenate in polar aprotic solvent such as dialkyl ether or THF, DMF, DMA, NMP or DMSO, accomplish, corresponding to PG2.Alkylating agent comprises benzyl chloride or substituted benzyl.Temperature of reaction can be-20 ℃ to 20 ℃.For this reaction, preferred condition is then carried out alkylation with benzyl chloride for adopting sodium hydride in DMF, to generate alkoxide at 0 ℃-10 ℃.Wash to remove excessive water through aqueous precipitation with non-polar solvent, can easily isolate pure products.The non-polar solvent that is preferred for this purifying is a heptane.
At ambient temperature, adopt to dilute mineral acid such as HCl, HBr, H in like methyl alcohol, ethanol, Virahol at alcohol
2SO
4From general formula C compound, remove acetone solvate (acetonide), obtain the glycol of general formula D.For this reaction, preferred condition is in methyl alcohol, to adopt HCl to carry out in envrionment temperature.Wash to remove excessive water through aqueous precipitation with non-polar solvent, can easily isolate pure products (D).The non-polar solvent that is preferred for this purifying is a heptane.
In order to change into target molecule, glycol need carry out Additional Protection.In the water azeotropic solvent, adopt the directed approach of tin in reflux temperature, carry out etherificate in mild temperature subsequently, can accomplish the selective etherification (E) of 3-hydroxyl.Adopt dialkyl group or aryl oxidized tin (IV) to form tin ether like phenylbenzene, dimethyl-, dibutyl, diisobutyl or hexadecyl White tin oxide, in aprotic solvent such as benzene, toluene or YLENE.Alkylation subsequently can adopt alkyl or alkylaryl halogenide such as bromotoluene or benzyl chloride to accomplish.Reaction can be quickened through adopting the material such as CsF or etamon chloride, and temperature of reaction can be envrionment temperature to 100 ℃.For this reaction, preferable methods is in the presence of tetrabutylammonium chloride, in toluene and benzyl chloride, uses Dibutyltin oxide.Purifying can easily be settled out tin reagent through water and accomplish.End product can obtain through crystallization from the solvent pairs system.The recrystallisation solvent that is preferred for this reaction is ethanol and heptane.
Midbody pectinose verivate by three protections can be converted into corresponding wood sugar verivate (G) through activation system (F).Though the Mitsunobu conversion is generally used for changing the configuration of alcohol, and as far as the existing report of this specific conversion, these conditions are expensive for industrial scale.Supply the route of choosing to comprise that with the activation of pectinose hydroxyl be careful (discreet), separable activation system (G), then adopt cheap oxygen source to change displacement.Activation can be adopted ester such as p-toluenesulfonic esters, methanesulfonates, triflate etc.; It is formed by corresponding acid anhydride and SULPHURYL CHLORIDE; In the presence of organic bases such as pyridine, trimethylpyridine, Hunig ' alkali, triethylamine; In non-polar solvent such as methylene dichloride, chloroform and toluene, in-20 ℃ to envrionment temperature.Configuration conversion displacement can adopt solvent that oxygen affinity nuclear reagent, preferred as alkali or alkaline earth metal nitrite be used for the type reaction in routine in 0 ℃ to 40 ℃ completion, and said solvent for example has methylene dichloride, acetone, THF, DMF, DMA, NMP etc.Preferred condition be in-10 ℃ of use trifluoromethanesulfanhydride anhydride and pyridines in methylene dichloride, need not purifying subsequently and isolates triflate.Preferred triflate permutizer condition is in DMF, to adopt Sodium Nitrite or potassium in envrionment temperature.Pure products can easily obtain through crystallization from the solvent pairs system that adopts polarity and non-polar component.The recrystallisation solvent that is preferred for this reaction is Virahol and heptane.
Can be carried out configuration through activation system by the wood sugar verivate of the general formula (H) of three protections and be converted into nitrile (I).Similar with aforesaid method, this route comprises that with the activation of wood sugar hydroxyl be careful (discreet), separable activation system (H), then replaces with cyano sources.Activation can be carried out once more as follows: the ester that adopts alkyl or aryl sulphonate, preferred p-toluenesulfonic esters, methanesulfonates, triflate etc.; Said ester is formed by corresponding acid anhydride or SULPHURYL CHLORIDE; In the presence of the organic bases of gentleness such as pyridine, trimethylpyridine, Hunig ' alkali, triethylamine etc.; In non-polar solvent such as methylene dichloride, chloroform or toluene, in-20 ℃ to envrionment temperature.Configuration conversion displacement is preferred adopt reagent such as basic metal or earth alkali metal prussiate or tetraethyl-ammonium cyanide in polar aprotic solvent such as THF, DMF, DMA, NMP, DMSO etc. in 0 ℃ to 40 ℃ completion.Preferred condition adopts trifluoromethanesulfanhydride anhydride and pyridine in methylene dichloride, to carry out in-10 ℃.For the displacement of triflate, preferred condition is to adopt the tetraethyl-ammonium cyanide in THF, to carry out in envrionment temperature.Pure products can through the extraction, crystallization obtains from alcohol property solvent then.Preferred solvent is an ethanol.
According to selected protection base, the nitrile midbody can be converted into the isofagomine hydrochloride through a step.Under hydrogenation conditions, nitrile reduces, takes off three protections, ring hydrogenation closed, epimino can be accomplished through a step, obtains the isofagomine of high yield.Catalytic hydrogenation can adopt various routines be used for this hydrogenant catalyzer, under the hydrogen-pressure of 14psi-100psi, carry out at proton or aprotic polar solvent, alcohols such as methyl alcohol, ethanol, Virahol or ester or acetate, wherein said catalyzer comprises Pd/C, Pd (OH)
2The combination of/C, PtO, Degussa catalyzer or catalyzer, carrying capacity 1%-20%.Hydrogenation acid like HCl, HBr, HClO
4, H
3PO
4, H
2SO
4, carry out under acetate, trifluoroacetic acid or the tartaric existence.Hydrogenation carries out short or time expand and does not have the risk of product degradation.Preferred condition is that the employing carrying capacity is 5% to 20%d Pd/C and Pd (OH)
2The mixture of/C, under the pressure of 40-100psi, containing in the alcohol property solvent of HCl and reacting.Preferred condition is the Pd/C of 10% carrying capacity and the Pd (OH) of 10% carrying capacity
2/ C, under the 80psi hydrogen pressure, containing in the ethanol of HCl and carrying out.This hydrochloride can be converted into isofagomine hydrochlorate of the present invention.
In the recent period, develop the another kind of improved compound method of preparation isofagomine and tartrate of isofagomine, and therefore submitted a independent patented claim to.This novel method adopts D-(-)-pectinose or L-(-)-wood sugar to carry out through two ketal midbodys.
For the present invention that further explains, hereinafter provides embodiment.These embodiment only are illustrative, and limit the scope of the present invention or any term of giving an example by no means by any way.Equally, the present invention also is not limited to any specific preferred embodiment described herein.Really, after reading this specification sheets, to those skilled in the art, multiple accommodation of the present invention and change are conspicuous.
Comparative Example A An: the purifying of isofagomine free alkali:
The isofagomine free alkali uses Amberlite CG 50 resin column (NH
4 +2.5cm ID X 100.0cm L, volume 450mL) carries out chromatography.Adopt 0.5N solution of ammonium hydroxide (3 times are adopted deionized water (DI, 5 times, 2250mL) washing pillar 1200mL), then.Isofagomine bullion (1.0g) is dissolved in the 4.0mL water, then upper prop.Use 0.1N NH
4OH/ water (1.36: 1) wash-out pillar.Collect 10mL level branch.
Different fractions is carried out TLC (silica gel, Virahol: water: volatile caustic (7: 2: 1)), detect through imines sugar (imino sugar) and triketohydrindene hydrate spraying.Analysis to confirm its purity, then merges also lyophilize 72 hours through grade branch of imines sugar spraying test positive.
Comparative Examples B: the purifying of isofagomine hydrochloride:
Isofagomine free alkali (30mg) is dissolved in methyl alcohol (5mL) and 4N HCl (0.5mL) in Virahol and acetone (4.0mL).The sample freezer storage is spent the night, and filters then.In solution, observe crystallization.Yet after filtering, product is the yellow substance with gluey viscosity.
Through adopting ion exchange chromatography, water and ammoniacal liquor wash-out, purifying isofagomine hydrochloride bullion.
To concentrate from the level branch of ion exchange column through lyophilize, obtain the semi-solid material of viscosity.
Embodiment 1:
From the synthetic tartrate of isofagomine of D-(-)-pectinose
Reaction is adopted 5%H through the TLC monitoring
2SO
4/ methyl alcohol, phosphorus molybdenum acid solution or 254nm UV colour developing.
Step 1: with the D-pectinose (50kg, 330.04moles) and benzylalcohol (132.2kg, 4.33 equivalents) stir and be heated to 35 ℃.Add Acetyl Chloride 98Min. (10.9kg, 0.42 equivalent), keep temperature<45 ℃, then in 50 ℃ of stirred overnight.Mixture is cooled to 20 ℃, dilutes with MTBE (600kg).Mixture was stirred 0.5-5 hour.Solid collected by filtration is with MTBE (2 * 40kg) washings.Product is dry in the filter moisture eliminator.Obtain 2-phenyl-D-pectinose, be pale solid, 70.9kg (88.6%).
1H?NMR(300MHz,DMSO-d
6):δ7.32(m,5H),4.76(s,1H),4.66(d,J=12Hz,1H),4.59(m,3H),4.45(d,J=12Hz,1H),3.70(m,4H),3.47(dd,J=12,3Hz,1H).
Step 2: (73.5kg 305.92moles) mixes with acetone (522kg) with 2-benzyl-D-pectinose.Disposable adding 2,2-Propanal dimethyl acetal (26.6kg, 1.9 equivalents) adds tosic acid monohydrate (39.3g, 0.0007 equivalent) then.Mixture was stirred 18 hours in 40 ℃.After reacting completely, add triethylamine (193mL, 0.0046 equivalent).In 30 ℃ of removal of solvent under reduced pressure, until obtaining dense thick oil.With resistates and ETHYLE ACETATE (2 * 20kg) coevaporations.Add ETHYLE ACETATE (19.2kg) to form solution.Disposable adding heptane (145.8kg) in solution, spending the night is cooled to-10 ℃ to 0 ℃.Solid collected by filtration is with heptane (2 * 51.5kg) washings.Product nitrogen blowing in the filter moisture eliminator is dry.Obtain ketal derivatives (3aR, 6R, 7S, 7aS)-6-(benzyloxy)-2,2-dimethyl tetrahydro-3aH-[1,3] dioxole is [4,5-c] pyrans-7-alcohol also, is pale solid, 70.4kg (82%).Fusing point 58-59 ℃.
1H?NMR(400MHz,CDCl
3):δ7.34(m,5H),4.92(d,J=4Hz,1H),4.79(d,J=12Hz,1H),4.54(d,J=12Hz,1H),4.20(m,2H),4.00(dd,J=13,3Hz,1H),3.92(dd,J=13,2Hz,1H),3.80(m,1H),2.24(d,J=7Hz,1H),1.52(s,3H),1.35(s,3H).
Step 3: (78.2kg 278.97moles) mixes and is cooled to 5 ℃ with DMF (295kg, 3.77kg/kg raw material) with ketal derivatives.Divide 3 to 4 batches to add in the reactor drum sodium hydride (13.4kg, 1.2 equivalents), keep reaction mixture to be lower than 10 ℃, stirred then 1.5 hours.Go through 1 hour adding benzyl chloride (45.9kg, 1.3 equivalents) in 2 ℃.Reactant was stirred 12 hours in 10 ℃ to 15 ℃.After reacting completely, mixture is cooled to 2 ℃, goes through and added entry (20kg) in 1 hour.Go through and added the water (570kg) of amount in addition in 4 hours.Mixture was stirred 10 hours under this temperature.Collect product through centrifuging, water (2 * 10kg) with heptane (2 * 15kg) wash, and Rotary drying spends the night.Obtain the dibenzyl verivate (3aR, 6R, 7S, 7aR)-6,7-two (benzyloxy)-2,2-dimethyl tetrahydro-3aH-[1,3] dioxa cyclopentenyl [4,5-c] pyrans is white solid, 74.0kg (71.6%).
Step 4: (37.6kg 101.50moles) adds methyl alcohol, among the AR (259kg, 8.7kg/kg raw material), mixture is cooled to 15 ℃ with the dibenzyl verivate.Go through and added 2.5N HCl solution (76.2kg, 1.8 equivalents) in 1 hour.Add entry (20kg) in addition, mixture was stirred 12 hours in 15 ℃.(1035kg, 4 times of volumes methanol AR) add in the reactor drum, stir at least 0.5 hour with water.Product is through centrifuging, water (2 * 10kg) and heptane (2 * 15kg) washings, Rotary drying spends the night.Obtain glycol (3R, 4R, 5S, 6R)-5,6-two (benzyloxy) tetrahydrochysene-2H-pyrans-3, the 4-glycol is white solid, 31.5kg (94%).
Step 5: (37.5kg 113.51moles) mixes with toluene (207.6kg, 5.5kg/kg glycol) and Dibutyltin oxide (31.1kg, 1.1 equivalents) with diol, derivatives.To reactor drum assembling Dean-Stark device, reactor content is heated to backflow (about 110 ℃), be collected removal (8-12 hour) up to no longer including water.Reactor content is cooled to 35 ℃, disposable adding tetrabutylammonium chloride (18.3kg, 0.5 equivalent).Speed to keep temperature<40 ℃ adds benzyl chloride (15.8kg, 1.1 equivalents), continues down to stir 12 hours at 35 ℃.Repeat every day reinforced and stirring in 12 hours, totally 4 days, up to reacting completely.After reacting completely, mixture is cooled to 25 ℃, disposablely adds entry (150kg), contents stirred is spent the night.Reaction mixture is filtered through bed of diatomaceous earth (1kg/kg glycol), with toluene (10kg) flushing bed.Leave standstill filtrating (1 hour), layering.Repeat to add water, stirring, filtration and separate.Combining water layer is with ETHYLE ACETATE (25kg) extraction, layering.Merge organic layer, long-pending in 45 ℃ of vacuum concentration to minimum whippable body.Add heptane (102.6kg).Mixture stirred 20 minutes, was cooled to 0 ℃, stirred 8-12 hour.Solid collected by filtration is washed with heptane (10kg).Solid crude product is dissolved in 6: 1 heptane/200pf ethanol (7kg/kg solid crude product) in 35 ℃, is cooled to-5 ℃ to 0 ℃, stirred overnight.Solid collected by filtration is washed with heptane (10kg).Product purity adopts the TLC monitoring.Usually needs 2 times or more times recrystallization are to remove impurity.Tribenzyl verivate behind the purifying is dry in vacuum drying oven in 30 ℃.Obtain (3R, 4R, 5S, 6R)-4,5,6-three (benzyloxy) tetrahydrochysene-2H-pyrans-3-phenol is white solid, 17.5kg (37%).Fusing point 59-60 ℃.
1H?NMR(400MHz,CDCl
3):δ7.38(m,15H),4.89(d,J=4Hz,1H),4.82(d,J=12Hz,1H),4.71(m,3H),4.57(d,J=12Hz,1H),4.55(d,J=12Hz,1H),4.01(br?s,1H),3.95(dd,J=10,3Hz,1H),3.83(m,2H),3.71(dd,J=12.2Hz,1H),2.56(br?s,1H).
Step 6: (12.0kg 28.54mol) mixes with methylene dichloride (79.2kg, 6.6kg/kg raw material) and pyridine (11.3kg, 5 equivalents), is cooled to-10 ℃ with tribenzyl pectinose verivate.Speed to keep temperature to be lower than 0 ℃ adds trifluoromethanesulfanhydride anhydride (10.1kg, 1.25 equivalents).Reaction mixture-10 ℃ to 0 ℃ stirrings, is exhausted up to raw material.After reacting completely, reaction mixture is washed with 7.5%HCl solution (3 * 68kg, 17 equivalents) and water (48kg).Temperature<5 ℃ that keep reaction mixture in the washing process.With 7.5% sodium hydrogen carbonate solution (55.0kg) purging compound, to regulate its pH >=6.Add triethylamine (0.4kg, 0.3kg/kg raw material), with the dry organic phase of Anhydrous potassium carbonate (1.2kg, 0.1 equivalent).Filtering mixt is extremely done in 20 ℃ to 35 ℃ vacuum concentration, obtain (3S, 4R, 5S, 6R)-4,5,6-three (benzyloxy) tetrahydrochysene-2H-pyrans-3-phenol.Not purified this triflate of use.
1H?NMR(300MHz,CDCl
3):δ7.31-7.16(m,15H),5.12(br?s,1H),4.83(d,J=4Hz,1H),4.76(d,J=11Hz,1H),4.64(m,2H),4.50(d,J=9Hz,1H),4.46(d,J=8Hz,1H),3.97(dd,J=10,3Hz,1H),3.86(d,J=14Hz,1H),3.77-3.72(m,2H).
Step 7: triflate is dissolved in DMF (36.2kg, 3.02kg/kg raw material) and is cooled to 10 ℃.Add Sodium Nitrite (5.9kg, 3.0 equivalents), the solution heat release is cooled to 15 ℃ to 25 ℃ with reaction mixture then to about 30 ℃, stirs 12-16 hour.Mixture is cooled to 5 ℃, adds entry (152kg, 4.2kg/kg DMF) with the speed that keeps temperature<15 ℃.The gained mixture was stirred 2 hours in 10 ℃.Solids filtered, water (2 * 12kg) washings.The filtering solid of institute is dissolved in the ETHYLE ACETATE (21.6kg, 1.8kg/kg raw material).Solution, filters through sal epsom (2.5kg) drying with salt solution (15.5kg) washing, will filtrate in 35 ℃ of vacuum concentration to doing.Add Virahol (9.5kg), be heated to 75 ℃ with the dissolving crude product.Heptane (24.6kg) is added in the solution, mixture is cooled to 15 ℃ to 25 ℃.Mixture further is cooled to 0 ℃, stirred overnight.Solids filtered is with heptane (2 * 8.2kg) washings.Product is dry in vacuum drying oven.Obtain yellow solid (3S, 4R, 5S, 6R)-4,5,6-three (benzyloxy) tetrahydrochysene-2H-pyrans-3-phenol, 5.3kg (44%).
1H?NMR(300MHz,CDCl
3):δ7.37(m,15H),4.96(d,J=11Hz,1H),4.80(m,2H),4.68(d,J=12Hz,1H),4.61(m,2H),4.53(d,J=12Hz,1H),3.78(m,1H),3.67(m,3H),3.50(dd,J=9,3Hz,1H),2.42(br?s,1H).
Step 8: (10.4kg 24.73moles) mixes with methylene dichloride (68.6kg, 6.6kg/kg raw material) and pyridine (9.8kg, 5 equivalents), is cooled to-10 ℃ with tribenzyl wood sugar verivate.Speed to keep temperature to be lower than 0 ℃ adds trifluoromethanesulfanhydride anhydride (8.7kg, 1.25 equivalents).Reaction mixture-10 ℃ to 0 ℃ stirrings, is exhausted up to raw material.After reacting completely, with 7.5%HCl solution (3 * 58.9kg, 17 equivalents) and water (41.6kg) washing reaction mixture.In the washing process, keep temperature<5 ℃ of reaction mixture.With saturated sodium bicarbonate solution (44.6kg) purging compound, with its pH regulator to >=6.Add triethylamine (0.4kg, 0.3kg/kg raw material), with the dry organic phase of Anhydrous potassium carbonate (1.2kg, 0.1 equivalent).Filtering mixt is extremely done in 20 ℃ to 35 ℃ vacuum concentration.NMR?
Step 9: triflate is dissolved among the THF (29kg, 2.8kg/kg raw material) and is cooled to 10 ℃.Add cyaniding Tetrylammonium (4.6kg, 1.2 equivalents), the solution heat release is cooled to 20 ℃ with reaction mixture then, stirs 12 hours.Add ETHYLE ACETATE (21.8kg), with 10% sodium chloride solution (3 * 14.3kg) washing organic phases.Extract the water layer that is merged with ETHYLE ACETATE (21.8kg).Merge organic layer,, filter, be concentrated into dried with sal epsom (2kg) drying.Add ethanol (200pf, 3.23kg/kg raw material) and be heated to 70 ℃ with the dissolving crude product.Solution is cooled to 20 ℃, further is cooled to 5 ℃ then, stirred overnight.Solids filtered is with heptane (2 * 10.4kg) washings.Repeat to carry out crystallization with 200pf ethanol (7mL/g solid).Solids filtered is with heptane (2 * 10.4kg) washings.Product is dry in vacuum drying oven.Obtain (3R, 4R, 5S, 6S)-4,5,6-three (benzyloxy) tetrahydrochysene-2H-pyrans-3-formonitrile HCN is the light brown solid, 6.3kg (59%).
1H NMR (300MHz, CDCl
3): δ 7.31 (m, 15H), 4.90 (d, J=3Hz, 1H), 4.81-4.73 (complexity, 3H); 4.70 (d, J=12Hz, 1H), 4.62 (d, J=12Hz, 1H), 4.55 (d; J=12Hz, 1H), 3.99 (dd, J=9,5Hz, 1H), 3.91 (dd; J=12,3Hz, 1H), 3.82-3.74 (overlapped signal, 2H), 3.13m, 1H).
Step 10: (2.5kg 5.8moles) is dissolved in the absolute ethanol (138.1kg), is heated in 35 ℃ and obtains settled solution with carbonitrile derivatives.Add wetting palladium carbon (250g; 10%w/w), then add palladium hydroxide (250g; 20%w/w) and hydrochloric acid (0.6L).With solution with purging with nitrogen gas twice, once with the hydrogen purge.With hydrogen solution is pressurized to 80psi, stirs, in 35 ℃ of heating 72 hours, pressurization once more as required.Mixture is filtered, in 30-35 ℃ of vacuum concentration.With isofagomine hydrochloride bullion and NH
4The OH aqueous solution (3L) mixes.Solution is filtered, with 9: 1 ethanol/NH
4OH aqueous solution solvent systems, through silicagel column (about 20kg) purifying.Product is at 35 ℃ to 40 ℃ vacuum concentration.The isofagomine free alkali is dissolved in absolute ethanol (7.7mL/g resistates), filters.L-(+)-tartrate (1185g, 1g/g resistates) is dissolved in absolute ethanol (7.7mL/g resistates), filters, slowly add in the ethanolic soln of isofagomine.With this solution stirring 45 minutes, filter, wash with ethanol (2.5L, 1mL/g raw material).Product is dried to constant weight in 44 ℃ in vacuum drying oven.Obtain tartrate of isofagomine, be white solid, 1.2kg (purity is 97.5%).
1HNMR(300MHz,D2O):δ4.40(s,2H),3.70(dd,J=12,4Hz,1H),3.66-3.58(m,2H),3.38(m,3H),2.83(t,J=13Hz,1H),2,79(t,J=13Hz,1H),1.88-1.77(m,1H).
Embodiment 2:
The recrystallization of tartrate of isofagomine
At ambient temperature, with tartrate of isofagomine (1,767g) water-soluble (1.767L).Add absolute ethanol (1.767L), stirred 30 minutes.Drip the absolute ethanol (1.767L) of another aliquots containig and stirred 30 minutes with slow flow velocity.Repeat twice of this process (comprising 30 minutes stirring), obtain the solution of 4: 1 ethanol/waters.Solids filtered, with ethanol/water (4: 1) washing, in vacuum drying oven in 43 ℃ of dried overnight to constant weights (be after drying after other 2 hours clean weightless<1%).The productive rate of recrystallization is 91%.Find that according to HPLC sample contains 1.3% impurity.The NMR spectrum of recrystallized product is shown in Fig. 3 and Fig. 4.Fusing point 168-169 ℃.
Embodiment 3:
Synthesizing of tartrate of isofagomine
Isofagomine L (+)-tartrate (2: 1)
(102mg, 0.679mmol) solution in deionized water (1.0mL) adds in the solution of isofagomine (200mg, 2.0 equivalents) in deionized water (2.0mL) in room temperature with L (+)-tartrate.With solution stirring 10 minutes, lyophilized overnight.With resistates in 45 ℃ further dry 3 days in a vacuum, obtain required salt (275.6mg, 91%).Fusing point 92-93 ℃,
1H NMR (300MHz, D
2O): δ 4.22 (s, 2H), 3.71 (dd, J=12,3.6Hz, 1H), 3.67-3.59 (m, 2H), 3.44-3.37 (m, 3H), 2.85 (t, J=12Hz, 1H), 2.75 (t, J=12Hz, 1H), 1.85 (m, 1H) (Fig. 8 A)
Isofagomine D-(-)-tartrate (2: 1)
(102mg, 0.679mmol) solution in deionized water (1.0mL) adds in the solution of isofagomine (200mg, 2.0 equivalents) in deionized water (2.0mL) in room temperature with D-(-)-tartrate.With solution stirring 10 minutes, lyophilized overnight.With resistates in 45 ℃ further dry 3 days in a vacuum, obtain required salt (287.2mg, 95%).Fusing point 94-95 ℃,
1H NMR (300MHz, D
2O): δ 4.22 (s, 2H), 3.71 (dd, J=12,3.6Hz, 1H), 3.67-3.59 (m, 2H), 3.44-3.36 (m, 3H), 2.85 (t, J=12Hz, 1H), 2.75 (t, J=12Hz, 1H), 1.84 (m, 1H) (Fig. 8 B).
Isofagomine D-(-)-tartrate (1: 1)
(204mg, 1.359mmol) solution in deionized water (2.0mL) adds in the solution of isofagomine (200mg, 2.0 equivalents) in deionized water (2.0mL) in room temperature with D-(-)-tartrate.With solution stirring 10 minutes, lyophilized overnight.With resistates in 45 ℃ further dry 3 days in a vacuum, obtain required salt (396.9mg, 98%).Fusing point 73-74 ℃,
1H NMR (300MHz, D
2O): δ 4.41 (s, 2H), 3.71 (dd, J=12,3.3Hz, 1H), 3.66-3.59 (m, 2H), 3.44-3.36 (m, 3H), 2.84 (t, J=12Hz, 1H), 2.75 (t, J=12Hz, 1H), 1.84 (m, 1H) (Fig. 8 C)
Embodiment 4: the capsular preparation of tartrate of isofagomine
Embodiment 5: improve in the active cell of GCase in Gaucher disease patient's the inoblast
Adopt the interior activity that increases of cell of inoblast research isofagomine L-(+)-tartrate of Gaucher disease patient.In order to estimate the effect of IFG to mutant GCase level, employing has been carried out external response investigations from the scavenger cell and the EBV-conversion lymphoblast of 40 patients' peripheral leukocytes.
This research comprises that 21 are suffered from the male sex of I type Gaucher disease, 1 male sex who suffers from III type Gaucher disease and 18 women that suffer from I type Gaucher disease.Patient age is 7 to 83 years old, has 38 to accept algucerase (ERT) among 40 patients.Successfully take out scavenger cell in 34 from 40 patients, wherein 32 show that when adopting tartrate of isofagomine treatment (5 days) the GCase level is the raising of dose-dependently (average=2.8 times).From other 5 lymph matricyte systems of taking from the patient, observe similar result.Isofagomine has significantly improved the level of GCase in different genotype patient's the cell, and said genotype comprises N370S/N370S (11), N370S/L444P (8), N370S/84insG (11), N370S/R163X, N370S/Y212H, L444P/del 136T, L444P/F216Y, L444P/L174F, G202R/R463C and the compound B exon 9/10 of K79N/ (III type GD).About 30 μ M isofagomines have obtained the maximum raising of GCase in the scavenger cell.
Embodiment 6: the I phase of security, pharmacokinetics and pharmacodynamics that is used to treat the new pharmacology chaperone tartrate of isofagomine of Gaucher disease is studied
Tartrate of isofagomine is to be used to treat the pharmacology chaperone that the lysosomal storage disease Gaucher disease is developed.Application is based on the model and the animal model of cell, and we are verified, and isofagomine has improved the cell levels of the glucocerebrosidase that is lacked in the Gaucher disease (GCase).In 72 healthy volunteers (39 male sex, 33 women), carried out randomized, double-blind I phase clinical study.Tartrate of isofagomine is with the form administered through oral administration of the aqueous solution.In the research of first-in-human single ascending-dose, using (6 every group are active medicine, and 2 are placebo) dosage is 8,25,75,150 (two groups) and 300mg.In the research of ascending-dose repeatedly, use 25,75 and the dosage of 225mg every day, totally 7 days (6 every group is active medicine, and 2 is placebo).In two researchs, tartrate of isofagomine is all tolerated at all dosage on the whole well, and the urgent adverse events that the treatment that in two researchs, occurs causes also great majority is gentle.Serious adverse events does not take place.
The tartrate of isofagomine oral route has shown good systemic drug exposure property (systemicexposure).In single dose research, plasma A UC and C
MaxValue and dosage linear dependence.Average plasma levels was at 3.4 hours peakings (SEM:0.6 hour), and the plasma clearance transformation period is 14 hours (SEM:2 hour).In multiple doses research, oral administration found that pharmacokinetics behavior and dosage are linear dependence after 7 days, and the isofagomine of not expecting is accumulated.T
MaxSimilar with the transformation period with the observations of studying at single dose.
In multiple doses research, during using tartrate of isofagomine the 1st, 3,5 with 7 days and treatment back wash-out phase during the 9th, 14 with measured institute in 21 days and separated the GCase activity in the white corpuscle.Accept among the curee of tartrate of isofagomine at all, the GCase level significantly improves during the treatment, descends along with the removing of medicine subsequently, gets back to the level (Fig. 9) near baseline on the 21st day.The raising of enzyme level is that dosage is relevant, reaches to be higher than about 3.5 times of baseline values.The result of these relevant securities that in the healthy volunteer, obtain, pharmacokinetics and preliminary pharmacodynamics effect provides support for further estimating tartrate of isofagomine to the therapeutic action of Gaucher disease.
The invention is not restricted to the scope of particular described herein.Really, except as herein described those, various accommodations of the present invention will become according to above stated specification and accompanying drawing and will be apparent to those skilled in the art.This type accommodation falls into the scope of accompanying claims.
Should be understood that further that all values are for be worth approximately, they are to be used for describing.
The application has quoted patent, patented claim, publication, the description of product and scheme in the whole text, and the whole introducing of their disclosure this paper is used for the reference of all purposes.
Claims (26)
2. the pharmaceutical composition of L-(+)-tartrate and one or more pharmaceutically acceptable vehicle that comprises the isofagomine of claim 1.
3. the pharmaceutical composition of claim 2, the purity of L-(+)-tartrate of the isofagomine that wherein exists in this pharmaceutical composition is at least 99%.
4. pharmaceutical composition comprises L-(+)-tartrate and the pharmaceutically acceptable vehicle of isofagomine of the claim 1 of medicine effective quantity.
5. the pharmaceutical composition of claim 4, wherein the amount of L-(+)-tartrate of isofagomine is about 5 to the 300mg/ agent, wherein term " about " refer to for the value of giving or the value of giving scope 20% with interior error degree.
6. the pharmaceutical composition of claim 4, wherein the amount of L-(+)-tartrate of isofagomine is about 10 to the 100mg/ agent, wherein term " about " refer to for the value of giving or the value of giving scope 20% with interior error degree.
8. the purposes of claim 7, wherein said pharmaceutical pack contain right and require each pharmaceutical composition of 2-6.
9. prepare L (+)-or the method for D-(-)-tartrate of isofagomine, comprising:
(a) isofagomine free alkali or its ionized form and L-(+) or D-(-)-tartrate are reacted in solvent; For D-(-)-tartrate; Isofagomine and tartaric ratio are 1: 1 or 2: 1, and for L (+)-tartrate, isofagomine and tartaric ratio are 2: 1; With
(b) separate tartrate of isofagomine.
10. the method for claim 9, its unresolvable tartaric acid is L-(+) tartrate.
11. the method for claim 9 wherein prepares one kilogram of tartrate of isofagomine at least.
12. the method for claim 9, wherein solvent is the alcohol of water-based.
13. the method for claim 9, wherein alcohol is selected from methyl alcohol, ethanol, propyl alcohol, butanols or their mixture.
14. the method for claim 9, wherein alcohol is ethanol.
15. the method for claim 9, wherein the step is gathered the recrystallization that (b) comprises tartrate of isofagomine.
16. the method for claim 15, wherein behind the tartrate of isofagomine recrystallization, 90% or above tartrate of isofagomine have 1200 μ m or littler particle diameter.
17. the method for claim 15, wherein the recrystallization of tartrate of isofagomine carries out in water by secondary solvent.
18. the method for claim 17, wherein secondary solvent is a protic solvent.
19. the method for claim 18, wherein protic solvent is an alcohol.
20. prepare the method for the different method L-of high purity (+) or D-(-)-Ge Ming tartrate with industrially scalable, this method comprises:
(a) about 1kg or more isofagomine free alkali or its ionized form and L-(+) or D-(-)-tartrate are reacted in solvent; Wherein term " about " refer to for the value of giving or the value of giving scope 20% with interior error degree; For D-(-)-tartrate; Isofagomine and tartaric ratio are 1: 1 or 2: 1, and for L (+)-tartrate, isofagomine and tartaric ratio are 2: 1;
(b) obtain the tartrate of isofagomine bullion;
(c) adopt aqueous solution to make tartrate of isofagomine bullion recrystallization; With
(d) tartrate of isofagomine of separating high-purity.
21. the method for claim 20, wherein aqueous solution is a water.
22. the method for claim 20, wherein aqueous solution is the mixture of water and alcohol, and wherein water and alcohol are used simultaneously or used with interval.
23. the method for claim 20, wherein highly purified tartrate of isofagomine is at least 84% purity by weight.
24. the method for claim 20, wherein highly purified tartrate of isofagomine is at least 98% purity by weight.
25. the method for claim 20, wherein highly purified tartrate of isofagomine is at least 99% purity by weight.
26. the method for claim 20, wherein 90% or above high purity tartrate of isofagomine have 1200 μ m or littler particle diameter.
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---|---|---|---|---|
US5844102A (en) * | 1994-07-07 | 1998-12-01 | University Of Maryland Baltimore County | Glycohydrolase inhibitors, their preparation and use thereof |
US6916829B2 (en) * | 1998-06-01 | 2005-07-12 | Mount Sinai School Of Medicine Of New York University | Method for enhancing mutant enzyme activity in gaucher disease |
-
2007
- 2007-05-23 ES ES07252109T patent/ES2364586T3/en active Active
- 2007-05-24 CN CN2007101388103A patent/CN101117330B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5844102A (en) * | 1994-07-07 | 1998-12-01 | University Of Maryland Baltimore County | Glycohydrolase inhibitors, their preparation and use thereof |
US6916829B2 (en) * | 1998-06-01 | 2005-07-12 | Mount Sinai School Of Medicine Of New York University | Method for enhancing mutant enzyme activity in gaucher disease |
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ES2364586T3 (en) | 2011-09-07 |
CN101117330A (en) | 2008-02-06 |
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