CN104672290B - A kind of medicine of disease for preventing or treating FXR mediations and its production and use - Google Patents
A kind of medicine of disease for preventing or treating FXR mediations and its production and use Download PDFInfo
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- CN104672290B CN104672290B CN201510002830.2A CN201510002830A CN104672290B CN 104672290 B CN104672290 B CN 104672290B CN 201510002830 A CN201510002830 A CN 201510002830A CN 104672290 B CN104672290 B CN 104672290B
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- GRONZTPUWOOUFQ-UHFFFAOYSA-M sodium;methanol;hydroxide Chemical compound [OH-].[Na+].OC GRONZTPUWOOUFQ-UHFFFAOYSA-M 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription Effects 0.000 description 1
- 230000002103 transcriptional effect Effects 0.000 description 1
- CSRZQMIRAZTJOY-UHFFFAOYSA-N trimethylsilyl iodide Substances C[Si](C)(C)I CSRZQMIRAZTJOY-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
- C07J9/005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane containing a carboxylic function directly attached or attached by a chain containing only carbon atoms to the cyclopenta[a]hydrophenanthrene skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The present invention relates to a kind of medicine of disease for preventing or treating FXR mediations and its production and use.Wherein, for preventing or treating the medicine of the disease that FXR is mediated with the structure shown in (I),Wherein, R is CO (O) R ' or P (O) (OH)2, wherein R ' is C1‑C6Alkyl.Compound half-life of the invention significantly extends, and Oral availability is significantly improved.
Description
Technical field
The present invention relates to a kind of medicine of disease for preventing or treating FXR- mediations and its production and use.
Background technology
Method Buddhist nun ester X acceptors (FXR) is orphan nuclear receptor family member, is equal to nineteen ninety-five in rat liver by Forman earliest
Cloned in cDNA library and found, because its transcriptional activity can be named by the enhancing of the method Buddhist nun ester of supraphysiologic levels.Northern and original
Position analysis display FXR is in lung, intestines, great expression in kidney, and adrenal gland.FXR is formed with 9- cis-retinoic acids acceptor (RXR)
Heterodimer is combined with DNA.FXR/RXR heterodimers preferentially with by have AG (G/T) TCA double-core acceptor half site group
Into composition combine, it forms inverted repeat and the single nucleosides of an ancient exorcistic ceremony separates (IR-1 die bodys).However, these compounds cannot be activated
Mouse and mankind FXR so that the naturality of endogenous FXR aglucons does not know also.Some abiogenous cholic acid are in physiological concentration
Lower combination simultaneously activates FXR.Cholic acid as FXR aglucons includes chenodesoxycholic acid (CDCA), deoxycholic acid (DCA), lithocholic acid
(LCA), and these cholic acid taurine and amion acetic acid conjugate.
Cholic acid is to form and be secreted into duodenal cholesterol metabolic product in liver, and it is in food fat and Wei Sheng
Play an important roll in the dissolving and absorption of element.Most of cholic acid are then absorbed and are returned to by enterohepatic circulatory system in ileum
Liver.Cholesterol is changed into feedback regulation to cholic acid in liver:Cholic acid lowers the transcription of Cytochrome P450 7a (CYP7a),
The enzyme of its coding catalysis cholic acid biosynthesis rate-limiting step.Data display FXR is relevant to the suppression that CYP7a is expressed with cholic acid, though
So accurate mechanism is still not known.In ileum, the expression of cholic acid induction enteral cholic acid associated proteins (IBABP), its be it is a kind of with
High-affinity is combined with cholic acid, and the intracellular protein related to its cellular uptake and transhipment.Two groups to have been found that cholic acid is escaped too drastic
FXR living adjusts it for the effect that IBABP is expressed, and the FXR combination mankind guard in rat, and mouse IBABP gene promoters
IR-1 type response elements.The activation (IBABP) and suppression of the target gene in these FXR and cholic acid and cholesterol
(CYP7a) it is related.
EP 1392714 discloses 3 а, 7 а-bis- а of hydroxyl-6-β of ethyl-5-cholane-24- carboxylic acids (i.e. 6- ethyls-goose deoxidation
Cholic acid, 6-EDCA).Clinical research proves, its can activation method Buddhist nun ester X acceptors (FXR), with anti-silt courage, the effect of anti-fibrosis,
There is certain curative effect to PBC (PBC).It is the medicine of a treatment NASH, it is a large amount of in early stage
Animal experiment in, can effectively prevent even reverse liver disease animal model progressivity liver fibrosis caused by hepatic injury.But
The medicine still has half-life short, Oral availability defect not high.
The content of the invention
In order to overcome the defect of prior art, the present invention to provide a kind of for preventing or treating the new of the disease of FXR- mediations
Medicine, i.e. the precursor compound of 6-a ethyls chenodeoxycholic acid, compared with 6-a ethyl chenodeoxycholic acids, half-life period shows the medicine
Extension is write, Oral availability is significantly improved.The present invention also provides the Preparation method and use of the medicine.
The present invention is achieved by the following technical solution.
On the one hand, the present invention provides the compound or its pharmaceutically acceptable salt shown in a kind of formula (I),
Wherein, R is CO (O) R ' or P (O) (OH)2, wherein R ' is C1-C6Alkyl.
Preferably, in formula (I), R is CO (O) R ', and wherein R ' is C1-C6Alkyl, preferably C1-C4Alkyl.When R is
During CO (O) R ', the compound of formula (I) can be expressed as lower formula (II):
Preferably, in formula (I), R is CO (O) R ', and R ' is C1-C6Alkyl, preferably C1-C4Alkyl, and R ' be second
Base.
Preferably, in formula (I), R is CO (O) R ', and R ' is methyl, propyl group, isopropyl, butyl or isobutyl group;Preferably, R '
It is propyl group, isopropyl, butyl or isobutyl group;It is highly preferred that R ' is propyl group or isopropyl.
Preferably, the compound of formula (I) is:
On the other hand, the present invention provides a kind of preparation method of the compound shown in formula (II),
The preparation method includes:Make the step of compound and R ' OH are reacted shown in formula (III);
Wherein, R ' is defined as described above.
Preferably, the compound shown in formula (III) is prepared by the following method:
(1) compound and R shown in formula 1 are made1OH reacts the compound shown in the formula of being formed 2;
(2) compound and organosilyl protective agents shown in formula 2, such as TMSCl is made to react the compound shown in the formula of being formed 3;
(3) compound of formula 3 is made in initiator, such as BF3-OEt2In the presence of with acetaldehyde reaction, then slough organosilicon guarantor
Shield base, forms the compound shown in formula 4;
(4) compound shown in formula (III) is formed after compound hydrogenation, the hydrolysis shown in formula 4;
Wherein, R1It is C1-C4Alkyl, preferably methyl.
Another aspect, the compound or its pharmaceutically acceptable salt that the present invention provides described in a kind of formula (I) is preparing use
Purposes in the disease or the medicine of situation for preventing and/or treating FXR- mediations.
Preferably, the disease or situation of FXR- mediation are selected from chronic liver disease, gastrointestinal disease, ephrosis, angiocardiopathy,
Silt courage is lacked of proper care, metabolic disease;Preferably, the ephrosis is diabetic nephropathy;The angiocardiopathy is selected from artery sclerosis, blood fat
Obstacle, hypercholesterolemia, wherein hypertriglyceridemia, artery sclerosis are atherosclerosis.
Another further aspect, the present invention also provides a kind of pharmaceutical composition, and the pharmaceutical composition includes the compound described in formula (I)
Or its pharmaceutically acceptable salt, and pharmaceutically acceptable auxiliary material.
Preferably, described pharmaceutical composition is tablet, suppository, dispersible tablet, enteric coatel tablets, chewable tablets, oral disintegrating tablet, capsule, sugar
Clothing agent, granule, dry powder doses, oral solution, the small pin of injection, injection freeze-dried powder or big transfusion;
Preferably, the pharmaceutically acceptable auxiliary material includes following one or more:Diluent, solubilizer, disintegration
Agent, suspending agent, lubricant, adhesive, filler, flavouring, sweetener, antioxidant, surfactant, preservative, parcel
Agent and pigment.
Medicine of the invention is the precursor compound of existing 6-a ethyls chenodeoxycholic acid, is gone with existing 6-a ethyls goose
Oxycholic acid is compared, and half-life period significantly extends, and Oral availability is significantly improved.
Brief description of the drawings
Hereinafter, embodiments of the invention are described in detail with reference to accompanying drawing:
Fig. 1-Fig. 6 is respectively the active compound (chemical combination shown in formula (III) after the oral compound A-F of the invention of male SD rat
Thing) PC, wherein Fig. 1 is compound A, and Fig. 2 is compound B, and Fig. 3 is compound C, and Fig. 4 is compound D, Fig. 5 to change
Compound E;Fig. 6 is compound F.
Specific embodiment
Illustrate technical scheme by way of example below, but following examples are not intended to limit the present invention
Scope.
In following examples,1H H NMR spectroscopies Bruker Avance III 400MHz and Bruker Fourier300MHz
Nuclear magnetic resonance spectrometer detects that tetramethylsilane (TMS) is used as internal standard.
LCMS uses the serial level Four bar mass spectrograph (posts of Agilent LC/MSD 1200:ODS 2000(50×4.6mm,5μ
M), with ES (+) or (-) for ionization mode is run, T=30 DEG C;Flow velocity=1.5mL/min;Detection wavelength:214nm.
The preparation of the compound shown in the formula of embodiment 1 (III)
To adding p-TsOH.H in methyl alcohol (60mL) solution of compound 1 (2.5g, 6.4mmol)2O (p-methyl benzenesulfonic acid one
Hydrate) (0.12g, 0.64mmol).The mixture of formation is stirred at room temperature 3 hours.Evaporation solvent under reduced pressure, residue is molten
Solution is in EtOAc (ethyl acetate) (150mL).With NaHCO3(saturation, 100mL), water (50mL) and salt solution (50mL) washing two
Secondary, organic layer is with Na2SO4Dry, and evaporation under reduced pressure is obtaining the white solid (2.5g, 96%) of product 2.
1H NMR(400MHz,CDCl3):δ 3.66 (s, 3H), 3.60 (m, 1H), 2.85 (dd, J=12.4,6.0Hz, 1H),
2.47-2.30(m,2H),2.28-2.20(m,2H),2.05-1.60(m,10H),1.50-1.09(m,14H),0.92(d,3H),
0.65 (m, J=6.4Hz, 3H)
To the dry tetrahydrofuran (30mL) of diisopropylamine (5.2mL, 39.5mmol) under -78 DEG C, nitrogen atmosphere
The solution of n-BuLi (15.8mL, 2.5M hexane solution, 39.5mmol) is added dropwise in solution.After stirring 30 minutes, plus
Enter trim,ethylchlorosilane (9.0mL, 48.5mmol), the mixture of formation is stirred for 10 minutes at -78 DEG C, by compound 2
Dry tetrahydrofuran (10mL) solution of (2.5g, 6.2mmol) was added dropwise in the mixture in 30 minutes.By the system
Kept again at -78 DEG C 30 minutes, then add triethylamine (12.1mL, 90mmol).After 1 hour, reactant mixture is heated
To -20 DEG C, with NaHCO3Saturated aqueous solution (25mL) treatment, was warmed up at room temperature in 3 hours.Separate organic phase, water with
EtOAc (3x 25mL) is extracted.With NaHCO3The organic phase that saturated aqueous solution, water and salt water washing merge.With anhydrous Na2SO4It is dry
After dry, vaporising under vacuum solvent is obtaining the crude product of 3 g of compound 3:Rf=0.86 (PE/EtOAc, 9:1) (petroleum ether/second
Acetoacetic ester, 9:1);1H NMR(400MHz,CDCl3):δ 4.57 (dd, J=6.0,1.6Hz, 1H), 3.69 (s, 3H), 3.53 (m,
1H), 0.94 (d, J=6.4Hz, 3H), 0.84 (s, 3H), 0.70 (s, 3H), 0.13-0.18 (m, 18H)
To (- 78 DEG C) acetaldehyde (0.65mL, 11.0mmol) and -5 β of the trimethyl silicane alkoxy-courage -6- of 3 α, 7- bis- of cooling
Alkene -24-'s acid methyl esters 3 (3.0g) dries CH2Cl2BF is added dropwise in the mixed solution of (20mL)3-OEt2(22.0mmol's)
CH2Cl2Solution 15mL.Reactant mixture stirs 2h at -78 DEG C, is heated to room temperature.Mixture is with NaHCO3Saturated solution end
Only react, with CH2Cl2Extraction.With the organic extract that salt water washing merges, (Na is dried2SO4), and be concentrated under vacuum.Slightly
Residue is dissolved in CH2Cl2In (45mL), processed with HCl (3N, 10mL), and stirred 1 hour at 0 DEG C.Reactant mixture with
NaHCO3The saturated aqueous solution terminating reaction of (25mL), and with CH2Cl2Extraction.With anhydrous Na2SO4Dry the organic phase for merging, mistake
Filter, evaporates under reduced pressure.Thick residue uses PE/EtOAc (petrol ether/ethyl acetate) 7 on a silica gel column:3 is logical as eluent
Cross flash chromatography to be purified, to obtain 1.2 grams of compound 4 (two steps 45%).1H NMR(400MHz,CDCl3):δ6.17
(q, J=7.2Hz, 1H), 3.56-3.69 (m, 4H), 2.55-2.58 (m, 1H), 1.68 (d, J=7.17Hz, 3H), 1.00 (s,
3H), 0.92 (d, J=6.4Hz, 3H), 0.63 (s, 3H)
Glacial acetic acid/HCl (50/2.5mL, v/v) solution of compound 4 (1.0g, 2.3mmol) is deposited in platinum oxide (0.2g)
Hydrogenated 24 hours under 50psi under.Filtering catalyst, filtrate is concentrated.Residue adds water (50mL) and EtOAc (50mL)
Mixture in, with NaHCO3Saturated aqueous solution neutralize.With the water layer of EtOAc (3x 50mL) extract and separate.With salt water washing
The organic phase of merging, dries (Na2SO4), evaporate under reduced pressure.Crude product using NaOH methanol solution (10%,
100mL) hydrolyse over night.Then mixture is concentrated under vacuum, is diluted with water, be acidified with 11N HCl, with ethyl acetate (3x
50mL) extract.With the organic phase that salt water washing is collected, with anhydrous Na2SO4Dry, evaporate under reduced pressure.Residue is dissolved in THF/
H2O solution (100mL, 4:1, v/v) in, with NaBH4Process at room temperature overnight.After solvent evaporation, residue is diluted with water, with
HCl 3N are acidified, with DCM/MeOH 9:1 (3x 50mL) is extracted.With the organic phase that salt water washing merges, with anhydrous Na2SO4It is dry
It is dry, evaporate under reduced pressure.Thick residue uses methylene chloride/methanol (7:3, v/v) pass through fast on silica column as eluent
Fast chromatogram is purified, to obtain 0.5 gram of compound (III) (50% yield).1H NMR(300MHz,CDCl3):δ3.72
(s, 1H), 3.47-3.38 (m, 1H), 0.94 (d, J=6.6Hz, 3H), 0.91-0.89 (m, 6H), 0.67 (s, 3H) .LC-MS:
m/z 385.3[M-H]-.
The preparation of the compound A of embodiment 2
To addition TsOH (p-methyl benzenesulfonic acid) in MeOH (10mL) solution of compound (III) (83mg, 0.2mmol)
(5.1mg,0.03mmol).Mixture is stirred at room temperature 16 hours.Solvent evaporates under reduced pressure, and residue is dissolved in EtOAc
In (20ml), washed with the aqueous solution (2x10ml) of saturated sodium bicarbonate, water (10ml) and salt solution (10ml).Organic layer is with anhydrous
Sodium sulphate is dried, and is evaporated.Residue is purified (with DCM/MeOH (methylene chloride/methanol)=100 on silica gel by column chromatography:1 to
80:1 wash-out), to obtain the white solid (42mg, 50%) of compound A.
1H NMR(400MHz,CDCl3):3.70(s,1H),3.66(s,3H),3.43-3.37(m,1H),2.39-2.31
(m, 1H), 2.26-2.18 (m, 1H), 1.00 (td, J=14.0,3.2Hz, 1H), 0.93-0.388 (m, 9H), 0.66 (s, 3H)
.LC-MS:m/z 869.7[2M+H]+,452.3[M+H2O]+.
The preparation of the compound B of embodiment 3
To in EtOH (10mL) solution of compound (III) (83mg, 0.2mmol) add TsOH (5.1mg,
0.03mmol).Mixture is stirred at room temperature 16 hours.Solvent is evaporated under reduced pressure, and residue is dissolved in EtOAc (20ml),
Washed with the aqueous solution (2x 10ml) of saturated sodium bicarbonate, water (10ml) and salt solution (10ml).Organic layer is dry with anhydrous sodium sulfate
It is dry, it is evaporated.Residue is purified (with DCM/MeOH=100 on silica gel by column chromatography:1 to 80:1 wash-out), to obtain compound B
White solid (30mg, 36%).
1H NMR(400MHz,CDCl3):4.12 (q, J=7.2Hz, 2H), 3.70 (s, 1H), 3.43-3.35 (m, 1H),
2.38-2.30(m,1H),2.26-2.18(m,1H),0.95-0.86(m,12H),0.66(s,3H).LC-MS:m/z 897.7
[2M+H]+,466.4[M+H2O]+.
The preparation of the compound C of embodiment 4
To in normal propyl alcohol (10mL) solution of compound (III) (83mg, 0.2mmol) add TsOH (5.1mg,
0.03mmol).Mixture is stirred at room temperature 16 hours.Solvent is evaporated under reduced pressure, and residue is dissolved in EtOAc (20ml),
Washed with the aqueous solution (2x 10ml) of saturated sodium bicarbonate, water (10ml) and salt solution (10ml).Organic layer is dry with anhydrous sodium sulfate
It is dry, it is evaporated.Residue is purified (with DCM/MeOH=100 on silica gel by column chromatography:1 to 80:1 wash-out), to obtain compound C
White solid (42mg, 50%).
1H NMR(400MHz,CDCl3):4.02 (t, J=6.8Hz, 2H), 3.70 (s, 1H), 3.45-3.37 (m, 1H),
2.38-2.30(m,1H),2.26-2.18(m,1H),0.95-0.86(m,12H),0.66(s,3H).LC-MS:m/z 925.8
[2M+H]+,480.4[M+H2O]+.
The preparation of the compound D of embodiment 5
To in isopropanol (10mL) solution of compound (III) (83mg, 0.2mmol) add TsOH (5.1mg,
0.03mmol).Mixture flows back 16 hours at 95 DEG C.Solvent is evaporated under reduced pressure, and residue is dissolved in EtOAc (20ml),
Washed with the aqueous solution (2x 10ml) of saturated sodium bicarbonate, water (10ml) and salt solution (10ml).Organic layer is dry with anhydrous sodium sulfate
It is dry, it is evaporated.Residue is purified (with DCM/MeOH=100 on silica gel by column chromatography:1 to 80:1 wash-out), to obtain compound D
White solid (35mg, 42%).
1H NMR(400MHz,CDCl3):5.00 (heptet, J=6.4Hz, 1H), 3.70 (s, 1H), 3.45-3.37 (m,
1H), 2.38-2.30 (m, 1H), 2.26-2.18 (m, 1H), 1.29 (d, J=6.4Hz, 6H), 0.95-0.86 (m, 9H), 0.66
(s,3H).LC-MS:m/z 925.7[2M+H]+,480.4[M+H2O]+.
The preparation of the compound E of embodiment 6
To in isobutanol (10mL) solution of compound (III) (83mg, 0.2mmol) add TsOH (5.1mg,
0.03mmol).Mixture is stirred 16 hours at 40 DEG C.Solvent is evaporated under reduced pressure, and residue is dissolved in EtOAc (20ml),
Washed with the aqueous solution (2x 10ml) of saturated sodium bicarbonate, water (10ml) and salt solution (10ml).Organic layer is dry with anhydrous sodium sulfate
It is dry, it is evaporated.Residue is purified (with DCM/MeOH=100 on silica gel by column chromatography:1 to 80:1 wash-out), to obtain compound E
White solid (40mg, 47%).
1H NMR(400MHz,CDCl3):3.84 (d, J=6.4Hz, 2H), 3.70 (s, 1H), 3.45-3.37 (m, 1H),
2.38-2.30(m,1H),2.26-2.18(m,1H),0.95-0.86(m,15H),0.66(s,3H).LC-MS:m/z 953.8
[2M+H]+,441.3[M-2H2O+H]+,944.4[M+H2O]+.
The preparation of the compound F of embodiment 7
To in n-butanol (10mL) solution of compound (III) (83mg, 0.2mmol) add TsOH (5.1mg,
0.03mmol).Mixture is stirred at room temperature 16 hours.Solvent is evaporated under reduced pressure, and residue is dissolved in EtOAc (20ml),
Washed with the aqueous solution (2x 10ml) of saturated sodium bicarbonate, water (10ml) and salt solution (10ml).Organic layer is dry with anhydrous sodium sulfate
It is dry, it is evaporated.Residue is purified (with DCM/MeOH=100 on silica gel by column chromatography:1 to 80:1 wash-out), to obtain compound E
White solid (45mg, 52%).
1H NMR(400MHz,CDCl3):4.06 (t, J=6.4Hz, 1H), 3.70 (s, 1H), 3.45-3.37 (m, 1H),
2.37-2.28(m,1H),2.25-2.15(m,1H),0.95-0.86(m,12H),0.66(s,3H).LC-MS:m/z 953.8
[2M+H]+,944.4[M+H2O]+.
The preparation of the compound G of embodiment 8
Et is added in DCM (10mL) solution at 0 DEG C to compound (III) (552mg, 3.09mmol)3N(1.25g,
12.4mmol) and Ac2O(949mg,9.30mmol).Mixture is stirred 1 hour at 0 DEG C, is stirred 3 hours at room temperature.Dropwise plus
Enter DCM (10mL) solution of DMAP (753mg, 6.18mmol).Mixture is stirred 10 hours at 45 DEG C.Then DCM is passed through
(100mL) dilutes, and is washed by water (100mL) and salt solution (100mL), with Na2SO4Dry, filtering, concentration.Crude product is in silica gel
It is upper to be purified (with PE/EtOAc=50 by column chromatography:1 to 10:1 wash-out), with obtain compound 6 white solid (650mg,
80%).
1H NMR(400MHz,CDCl3):δ0.67(s,3H),0.90-0.93(m,9H),2.02(s,3H),2.10(s,
3H),2.42-2.21(m,4H),4.57(m,1H),5.10(s,1H)
To addition NIS (346mg, 2.0mmol) in DCE (10mL) solution of compound 6 (500mg, 0.99mmol).Mixing
Thing flows back 4 hours under 500W tungsten lamps.The mixture of formation is added dropwise to NaHSO3In solution.Then DCM is passed through
(100mL) dilutes, and is washed by water (40mL) and salt solution (30mL), with Na2SO4It is dried, filters, concentration.Crude product is in silicon
Purified (with PE/EtOAc=50 by column chromatography on glue:1 to 30:1 wash-out), to obtain the pale yellow oil of compound 7
(250mg, 43%).
1H NMR(400MHz,CDCl3):δ0.67(s,3H),0.90-0.95(m,12H),2.02(s,3H),2.08(d,
3H), (s, the 1H) of 3.09 (m, 1H), 3.31 (m, 1H), 4.57 (m, 1H), 5.10
By the P (OEt) of compound 7 (552mg, 0.94mmol)3(5mL) solution flows back 5 hours.Cooling mixture, concentration
To obtain residue.By preparing thin-layer chromatography (PE/EtOAc=2:1) purify, to obtain the nothing of compound 8 (400mg, 71%)
Color grease.(I2As TLC coloring agents)
1H NMR(400MHz,CDCl3):δ 0.58 (s, 3H), 0.85-0.96 (m, 12H), 1.97 (s, 3H), 2.01 (s,
3H), 4.02 (d, J=7.2Hz, 4H), 4.50 (m, 1H), 5.03 (s, 1H)
In DCM (5mL) solution at 0 DEG C to compound 8 (400mg, 0.67mmol) add TMSI (536mg,
2.68mmol).Mixture is stirred at room temperature 12 hours, concentrates the mixture.To in residue add NaOMe (400mg,
MeOH (8mL) solution 7.4mmol).The mixture of formation is stirred 10 hours at 60 DEG C.Then diluted by DCM (20mL),
Washed by water (10mL).Inorganic layer is adjusted to PH=3, concentrates to obtain solid.Solid is diluted in MeOH, is filtered.
Concentrated screening, to obtain residue, is purified, to obtain target compound G (94mg, 30%) by preparative high performance liquid chromatography
White solid.
1H NMR(400MHz,DMSO-d6+D2O):δ0.61(s,3H),0.80-0.94(m,9H),1.00-1.60(m,
23H),1.62-1.92(m,6H),3.12(m,1H),3.14(m,1H).LC-MS:m/z455.3[M-H]-.
Pharmacokinetic trial in the body of embodiment 9
The present embodiment have detected the internal medicine of compound A-F of the invention and the compound shown in formula (III) for power
Learn.
Specifically, to Oral Administration in Rats or i.v. injection of compounds A-F (being prepared by embodiment 2-7) and formula (III) institute
The compound for showing, evaluates Pharmacokinetic Characteristics of the compound of the invention with the compound shown in formula (III) in rat body,
The conversion situation of compound of the compound conversion in the body of the invention shown in formula (III) is investigated, and is surveyed by certain hour
Determine the blood concentration of the compound shown in the formula (III) in rat body, compound relatively more of the invention and the change shown in formula (III)
The bioavilability of compound.
Experimental animal is male SD rat, 6 to 8 week old, 190-215 grams of body weight, purchased from Beijing Wei Litonghua experimental animals
Technology Co., Ltd..8 groups, every group of 3 animals are randomly divided into based on SD rat body weights.The administration compound formulation of each group rat,
Dosage, method of administration etc. are shown in Table 1.
The pharmacokinetic trial situation of table 1.
Before pharmacokinetic trial, by SD Rat Fasts 16 hours.Then according to through vein or orally single shown in table 1
The compound or blank solution of individual dosage.Take the mode of the jugular puncture μ L of timed collection blood 200 upon administration.It is wherein right
In the animal groups through intravenously administrable, blood is collected within 0.08,0.25,0.5,1,2,4,8 and 24 hours upon administration;For orally giving
The animal groups of medicine, collect blood in 0.25,0.5,1,2,4,8 and 24 hours upon administration.By blood sample collection in the sample with EDTA
In QC, then blood plasma is transferred in another sample cell with 4000rpm centrifugation of blood samples 5 minutes at 4 DEG C immediately, stored
In -20 degrees Celsius.
Pharmacokinetics inspection is carried out to sample, the method and instrument of use are as follows:
HPLC:Shimadzu(DGV-20A3,Serial NO:SSI-3-0536;LC-20AD Serial NO:
L20104551674USB and L20104551673USB;),CTC Analytics HTC PAL System(Serial NO:
4353);
MS:AB API4000Q Trap LC/MS/MS instrument(Serial NO.AR19020706)
Pillar:Phenomenex Luna 5μC18(2.0×50mm)
Mobile phase:95% acetonitrile (0.1% formic acid) and 5% acetonitrile (0.1% formic acid)
Quantitative approach:Internal standard method
The pharmacokinetics collection of illustrative plates of compound A-F is shown in Fig. 1-Fig. 6 respectively.Chemical combination shown in compound A-F and formula (III)
The comparative result of the pharmacokinetic parameter of thing is shown in Table 2.
The pharmacokinetic data of table 2. compares
NA:Data are not obtained.
Pharmacokinetic studies prove that compound A-F changes the compound shown in an accepted way of doing sth (III) in rat body, and change
The Oral availability of compound C, D, E, F is more superior than the compound shown in formula (III), also more superior than compound A and B.Compound C and
The Half-life in vivo of D significantly extends than the compound shown in formula (III).
Claims (15)
1. the compound or its pharmaceutically acceptable salt shown in a kind of formula (I),
Wherein, R is CO (O) R ', and wherein R ' is C1-C6Alkyl, and R ' be methyl and ethyl.
2. compound according to claim 1 or its pharmaceutically acceptable salt, it is characterised in that R ' is C1-C4Alkane
Base.
3. compound according to claim 1 and 2 or its pharmaceutically acceptable salt, it is characterised in that R ' is propyl group, different
Propyl group, butyl or isobutyl group.
4. compound according to claim 3 or its pharmaceutically acceptable salt, it is characterised in that R ' is propyl group or isopropyl
Base.
5. compound according to claim 1 and 2 or its pharmaceutically acceptable salt, it is characterised in that the compound
For:
6. the preparation method of compound shown in a kind of formula (II),
The preparation method includes:Make the step of compound and R ' OH are reacted shown in formula (III);
Wherein, R ' such as any one of Claims 1-4 is defined.
7. preparation method according to claim 6, it is characterised in that the compound shown in formula (III) is by the following method
To prepare:
(1) compound and R shown in formula 1 are made1OH reacts the compound shown in the formula of being formed 2;
(2) make the compound shown in formula 2 that the compound shown in the formula of being formed 3 is reacted with organosilyl protective agents TMSCl;
(3) compound of formula 3 is reacted with acetaldehyde in the presence of initiator, then slough organosilicon protection group, formed shown in formula 4
Compound;
(4) compound shown in formula (III) is formed after compound hydrogenation, the hydrolysis shown in formula 4;
Wherein, R1It is C1-C4Alkyl.
8. preparation method according to claim 7, it is characterised in that in step (3), the initiator is BF3-OEt2。
9. the preparation method according to claim 7 or 8, it is characterised in that R1It is methyl.
10. compound according to any one of claim 1 to 5 or its pharmaceutically acceptable salt are being prepared for preventing
And/or the purposes in the disease for the treatment of FXR- mediations or the medicine of situation.
11. compounds according to claim 10 or its pharmaceutically acceptable salt are being prepared for preventing or treating FXR-
Purposes in the disease of mediation or the medicine of situation, wherein, the disease or situation of the FXR- mediations are selected from chronic liver disease, stomach and intestine
Disease, ephrosis, angiocardiopathy, silt courage imbalance, metabolic disease.
12. purposes according to claim 11, it is characterised in that the ephrosis is diabetic nephropathy;The cardiovascular disease
Disease is selected from artery sclerosis, dyslipidemia, hypercholesterolemia, hypertriglyceridemia, wherein the artery sclerosis is artery congee
Sample is hardened.
A kind of 13. pharmaceutical compositions, the pharmaceutical composition comprising compound according to any one of claim 1 to 5 or
Its pharmaceutically acceptable salt, and pharmaceutically acceptable auxiliary material.
14. pharmaceutical compositions according to claim 13, it is characterised in that described pharmaceutical composition is tablet, suppository, divides
Discrete piece, enteric coatel tablets, chewable tablets, oral disintegrating tablet, capsule, sugar-coat agent, granule, dry powder doses, oral solution, the small pin of injection, note
Penetrate with freeze-dried powder or big transfusion.
15. pharmaceutical compositions according to claim 13, it is characterised in that under the pharmaceutically acceptable auxiliary material includes
One or more for stating:Diluent, solubilizer, disintegrant, suspending agent, lubricant, adhesive, filler, flavouring, sweet taste
Agent, antioxidant, surfactant, preservative, coating agent and pigment.
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US9982008B2 (en) | 2012-06-19 | 2018-05-29 | Intercept Pharmaceuticals, Inc. | Preparation and uses of obeticholic acid |
CN107250150B (en) * | 2015-04-28 | 2019-11-22 | 江苏豪森药业集团有限公司 | Chlolic acid derivatives and preparation method thereof and medical usage |
TW201704251A (en) * | 2015-04-29 | 2017-02-01 | 正大天晴藥業集團股份有限公司 | Derivatives of chenodeoxycholic acid |
CN105175473B (en) * | 2015-08-19 | 2018-12-21 | 丽珠医药集团股份有限公司 | A kind of Austria shellfish cholic acid crystal form I and preparation method thereof, pharmaceutical composition and purposes |
CN105085597B (en) * | 2015-08-28 | 2017-03-29 | 成都百裕制药股份有限公司 | A kind of preparation method of unformed shellfish cholic acid difficult to understand |
CN106749466B (en) * | 2015-11-23 | 2019-05-21 | 南京济群医药科技股份有限公司 | A kind of preparation method of high-purity Austria shellfish cholic acid |
TW201738254A (en) * | 2016-04-19 | 2017-11-01 | 英特賽普醫藥品公司 | Methods for the preparation of obeticholic acid and derivatives thereof |
CN105859817A (en) * | 2016-05-09 | 2016-08-17 | 成都宇西医药技术有限公司 | Method for preparing 3 alpha-hydroxy-6-vinyl-7-ketone-5 beta-ursodeoxycholic acid |
TW201802103A (en) * | 2016-07-13 | 2018-01-16 | 江蘇恆瑞醫藥股份有限公司 | Preparation method of obeticholic acid and intermediates thereof |
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