CN104710379B - Synthetic method for BMS-191011 - Google Patents

Synthetic method for BMS-191011 Download PDF

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CN104710379B
CN104710379B CN201510103549.8A CN201510103549A CN104710379B CN 104710379 B CN104710379 B CN 104710379B CN 201510103549 A CN201510103549 A CN 201510103549A CN 104710379 B CN104710379 B CN 104710379B
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bms
chloro
synthetic method
trifluoromethyl
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CN104710379A (en
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江焕峰
及方华
伍婉卿
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South China University of Technology SCUT
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D271/00Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/02Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D271/101,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
    • C07D271/1131,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical

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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

The invention relates to a synthetic method for a compound BMS-191011. The method comprises the following steps: taking 4-trifluoromethyl benzoyl hydrazine as a raw material and performing steps of oxidative carbonylation, methyl protection, halogenation, amination, deprotection and the like to prepare BMS-191011. The synthetic method adopts a CO balloon for replacing phosgene, so that the reaction toxicity is reduced and the reaction operability is improved. The method has the characteristics of simple and easily available raw materials, mild reaction conditions and simple operation process.

Description

A kind of synthetic method of bms-191011
Technical field
The present invention relates to medicine, organic chemical industry's synthesis technical field are and in particular to a kind of synthetic method of bms-191011.
Background technology
Bms-191011 is a kind of diazoles compound, its chemical entitled 3- (5- chlorine-2-hydroxyl phenyl) -5- (4- tri- Methyl fluoride) phenyl -1,3,4- diazole -2 (3 hydrogen) -one.Its structural formula is as follows:
Bms-191011 has certain neuroprotective, can be used for treating the apoplexy diseases that cerebral ischemia leads to.
The synthetic method of the bms-191011 of document report at present, mainly has following three kinds:
A. with 4- trifluoromethylbenzoyl hydrazine as initiation material, it is passed through phosgene flow and obtains intermediate 5- (4- (trifluoromethyl) Phenyl) -1,3,4- diazole -2 (3 hydrogen) -one, more chloro- 1- methoxybenzene or 5- chloro- 2- methoxy with 2- (halogenated methyl) -4- Base benzyl alcohol reacts and obtains 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 Hydrogen) -one, after obtain bms-191011 through deprotection;
B. with 4- trifluoromethylbenzoyl hydrazine as initiation material, react with benzenyl trichloride and thionyl chloride and obtain intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one, the more chloro- 1- methoxybenzene with 2- (halogenated methyl) -4- Or 5- chloro- 2- methoxy benzyl alcohol react obtain 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) - 1,3,4- diazole -2 (3 hydrogen) -one, after obtain bms-191011 through deprotection;
C. with 4- trifluoromethylbenzoyl hydrazine as initiation material, through three-step reaction (cs2, koh/mei/h2o2Or kmno4) To intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one, then 1- chloro- with 2- (halogenated methyl) -4- Methoxybenzene or 5- chloro- 2- methoxy benzyl alcohol react and obtain 3- (5- chloro- 2- methoxyphenyl) -5- (4- fluoroform Base phenyl) -1,3,4- diazole -2 (3 hydrogen) -one, after obtain bms-191011 through deprotection;
Above distance has the disadvantage in that
(1) phosgene is harmful gas, and has certain unstability, using water or alcohol as medium In the case of easily there is side reaction.
(2) although benzenyl trichloride and thionyl chloride can substitute phosgene, expensive, and thionyl chloride has very Strong corrosivity, not easy to operate.
(3) using Carbon bisulfide and iodomethane prepare intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole - 2 (3 hydrogen) -one are although the use of toxic reagent can be avoided, but operating procedure is complicated, and synthesis is relatively costly.
Content of the invention
The present invention overcomes drawbacks described above, it is desirable to provide a kind of synthetic method of bms-191011, and the method is easy and simple to handle, ring Border is friendly, and synthesis is with low cost.
A kind of synthetic method of bms-191011, synthetic route is as follows:
In said method, described compound 2 is intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 Hydrogen) -one, its synthesis is that is, the oxidized carbonylation of intermediate 4- trifluoromethylbenzoyl hydrazine is prepared by compound 1.
In said method, specifically comprise the following steps that
(1) take compound 1 in test tube, add catalyst, oxidant and accelerator, add solvent, put and be filled with one The balloon of carbon oxide gas, stirs 1-48 hour at 50-80 DEG C, obtains compound 2;Described compound 1 is 4- trifluoromethyl Benzoyl hydrazine;Described compound 2 is: 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one;
(2) take the compound 2 that step (1) obtains, add compound 4 reaction to obtain compound 5;Described compound 4 is: 2- The chloro- 1- methoxybenzene of (halogenated methyl) -4- or 5- chloro- 2- methoxy benzyl alcohol;The group of wherein halo is-cl ,-br or-i; Described compound 5 is: 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 hydrogen) - Ketone;
(3) take the compound 5 that step (2) obtains after deprotection process, obtain bms-191011.
In said method, in step (1), described catalyst is palladium salt;Described oxidant is oxygen, 1,4-benzoquinone, titanium dioxide Manganese, Disilver carbonate, Schweinfurt green, copper oxide or potassium peroxydisulfate, described accelerator is pivalic acid, trifluoroacetic acid or p-methyl benzenesulfonic acid, institute State solvent and include oxolane, acetonitrile, n, n- dimethylformamide, toluene, dimethyl sulfoxide, methanol, ethanol, n, n- diethyl One of Methanamide or Isosorbide-5-Nitrae-dioxane or more than one, preferred 50-60 DEG C of reaction temperature, carbonyl source be carbon monoxide gas Body.
In said method, described compound 4 is the chloro- 1- methoxybenzene of 2- (halogenated methyl) -4- or 5- chloro- 2- methoxybenzene Methanol;Wherein, the halo groups of the chloro- 1- methoxybenzene of described 2- (halogenated methyl) -4- are-cl,-br or-i.
In said method, the amount of described palladium salt is (0.05~0.5) with the mol ratio of compound 1: 1;Described oxidant Amount is (1~4) with the mol ratio of compound 1: 1.
In said method, the amount of described accelerator is (1~5) with the mol ratio of compound 1: 1;Described CO (carbon monoxide converter) gas Pressure be 1~100 atmospheric pressure.
In said method, the time of described oxidation carbonylation is 1~48 hour.
In said method, in step (1)-step (3), product is all isolated and purified by gained material using column chromatography;Described Column chromatography eluent is the mixed solvent of petroleum ether and ethyl acetate, and the volume ratio between petroleum ether and ethyl acetate is 1~40: 1.
In said method, when compound 4 is the chloro- 1- methoxybenzene of 2- (halogenated methyl) -4-, the concrete system of step (2) Preparation Method is: takes the compound 2 that step (1) obtains, adds compound 4, adds alkali using after anhydrous solvent dissolving, in 0-100 Stir 1-48 hour at DEG C, obtain compound 5;
When compound 4 is 5- chloro- 2- methoxy benzyl alcohol, the concrete preparation method of step (2) is: takes step (1) to obtain The compound 2 arriving, carries out mitsunobu reaction and obtains compound 5.
Compared with prior art, present invention has an advantage that
(1) adopt co balloon to replace phosgene, reduce the toxicity of reaction, increased the operability of reaction.
(2) reaction raw materials directly obtain intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- two through carbonylation Azoles -2 (3 hydrogen) -one, reaction condition is gentle, and yield is high, and purification is convenient.
(3) intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one can be chloro- with intermediate 5- Chloro- 1- methoxybenzene reacts and obtains intermediate 3- (5- is chloro- 2- methoxy benzyl alcohol respectively with intermediate 2- (halogenated methyl) -4- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 hydrogen) -one, there is provided the multiformity of reaction and Selectivity.
(4), in the inventive method, the key parameter of the intermediate preparation in step (1) makes reaction yield excellent, condition Gently it is easy to operate;
(5) there is no document report before the method, there is novelty, can be around the protection of Kaiyuan research and development house journal.
Brief description
Fig. 1 is embodiment 1 gained 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (compound 2) Proton nmr spectra;
Fig. 2 is embodiment 1 gained 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (compound 2) Carbon-13 nmr spectra;
Fig. 3 is the proton nmr spectra of embodiment 6 gained bms-191011;
Fig. 4 is the carbon-13 nmr spectra of embodiment 6 gained bms-191011.
Specific embodiment
With reference to specific embodiment, the present invention is made further specifically to describe in detail, but embodiments of the present invention are not It is limited to this, for the technological parameter especially not indicated, can refer to routine techniquess and carry out.
Embodiment 1
The synthesis of intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (compound 2)
2 mMs of 4- trifluoromethylbenzoyl hydrazine, 0.1 mM of palladium trifluoroacetate, oxidation is added in the test tube of 25ml 3 mMs of copper, 6 mMs of trifluoroacetic acid, add acetonitrile as solvent, put carbon monoxide balloon as carbonyl source, take the photograph in 60 Stir under family name's degree, react about 12h.Reactant liquor is cooled to room temperature after terminating by tlc (thin layer chromatography) detection reaction, takes off an oxygen Change carbon balloon, be slowly vented unreacted carbon monoxide.Reacting liquid filtering, filtrate decompression revolving removes solvent, then passes through post layer Analysis isolates and purifies, and obtains target product 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (compound 2), Column chromatography eluent used is the petroleum ether of 4:1: ethyl acetate mixed solvent, yield 73% for volume ratio.
The hydrogen spectrum structural information of products obtained therefrom is as shown in figure 1, carbon spectrum is as shown in Figure 2.
Embodiment 2
The synthesis of intermediate 5- chloro- 2- methoxy benzyl alcohol
The first step: add 5 mMs of 5- chloro-salicylic aldehyde in the round-bottomed flask of 100ml, with methanol dissolving, add under zero degree Enter 6 mMs of sodium borohydride, be transferred to stirring at normal temperature 1 hour, obtain intermediate 4- chloro- 2- hydroxymethylphenol (compound 3) 4.5 MM, yield 90%.
Second step: add intermediate 4- chloro- 2- hydroxymethylphenol (compound 3) 4.5 mmoles in the round-bottomed flask of 100ml You, with acetone solution, add 7 mMs of potassium carbonate, 7 mMs of iodomethane, flow back under 60 degrees Celsius.Tlc detection reaction knot After bundle, reactant liquor is cooled to room temperature, reacting liquid filtering, filtrate decompression revolving removes solvent, then passes through column chromatographic isolation and purification, Obtain target product 5- chloro- 2- methoxy benzyl alcohol (compound 4), column chromatography eluent used is the stone of 8:1 for volume ratio Oily ether: ethyl acetate mixed solvent, yield 80%.
Embodiment 3
The synthesis of the chloro- 1- methoxybenzene of 2- (iodo-methyl) -4-
Intermediate 5- chloro- 2- methoxy benzyl alcohol 3 mmoles that embodiment 2 prepares are added in the round-bottomed flask of 50ml You, with acetonitrile dissolving, add 4.5 mMs of cesium iodide, 4.5 mMs of p-methyl benzenesulfonic acid, stir at room temperature, reaction is about 20min.Reactant liquor is cooled to room temperature, reacting liquid filtering after terminating by tlc detection reaction, and filtrate decompression revolving removes solvent, then By column chromatographic isolation and purification, obtain 2.7 mMs of the chloro- 1- methoxybenzene of target product 2- (iodo-methyl) -4-, post used Chromatographic eluate is the petroleum ether of 30:1: ethyl acetate mixed solvent, yield 90% for volume ratio.
Embodiment 4
The synthesis of the chloro- 1- methoxybenzene of 2- (chloromethyl) -4-
Take 10 mMs of cyanuric chloride, be dissolved in 2mldmf, stirring under room temperature is until there is white solid to produce, afterwards Add 25ml dichloromethane, be stirring evenly and then adding into 9.5 mMs of 5- chloro- 2- methoxy benzyl alcohol, and stirring 4 is little under room temperature When, add the extraction of 20ml water afterwards, take organic aqueous sodium carbonate being added to 15ml saturation, be eventually adding 1n hcl water-soluble Liquid, through anhydrous sodium sulfate drying, obtains 7.9 mMs of the chloro- 1- methoxybenzene of 2- (chloromethyl) -4-, yield 83%.
Embodiment 5
The synthesis of the chloro- 1- methoxybenzene of 2- (bromomethyl) -4-
Take 10 mMs of cyanuric chloride, be dissolved in 2mldmf, stirring under room temperature is until there is white solid to produce, afterwards Add 25ml dichloromethane, add 19 mMs of sodium bromide, after being stirred overnight, add 5- chloro- 2- methoxy benzyl alcohol 9.5 mmoles You, and stir under room temperature, react about 20h, tlc detection reaction adds the extraction of 20ml water after terminating, takes and organic be added to 15ml The aqueous sodium carbonate of saturation, is eventually adding 1n hcl aqueous solution, through anhydrous sodium sulfate drying, obtains 2- (bromomethyl) -4- 7.9 mMs of chloro- 1- methoxybenzene, yield 98%.
Embodiment 6
The synthesis of bms-191011
The first step: intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 The synthesis of (3 hydrogen) -one (compound 5)
By intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (embodiment 1 products obtained therefrom) 5 Person of outstanding talent mole and 5 mMs of intermediate 5- chloro- 2- methoxy benzyl alcohol (embodiment 2 products obtained therefrom), 5.5 mMs of triphenyl phosphorus in Zero degree is dissolved in anhydrous tetrahydro furan under the protection of nitrogen stream, under agitation slowly Deca dead (azoformic acid two Ethyl ester) 5.5 mMs, and continue stirring 24 hours under zero degree, filtration separation obtains intermediate 3- (5- chloro- 2- methoxybenzene Base) 4.5 mMs of -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 hydrogen) -one (compound 5), yield 90%.
The synthesis of second step: bms-191011
By intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 hydrogen) - 2.25 mMs of ketone (compound 5) is dissolved in 55ml dichloromethane, is cooled to zero degree, adds 12ml tri- in the presence of nitrogen stream The dichloromethane solution (1.0m) of bromination roc, stirs 18 hours under room temperature, instills 200ml saturated sodium bicarbonate water molten under zero degree In liquid, ethyl acetate extracts, and anhydrous magnesium sulfate is dried, and obtains bms-1910112 mM, yield 90%.
The hydrogen spectrum structural information of products obtained therefrom is as shown in figure 3, carbon spectrum is as shown in Figure 4.
Embodiment 7
The synthesis of bms-191011
The first step: intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 The synthesis of (3 hydrogen) -one
By intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (embodiment 1 products obtained therefrom) 6.5 mMs with 6.5 mMs of the chloro- 1- methoxybenzene of intermediate 2- (bromomethyl) -4- (embodiment 5 products obtained therefrom) in nitrogen Under the protection of stream, it is dissolved in anhydrous dmf, adds 6.5 mMs of sodium hydride, after stirring 18 hours under 60 degrees Celsius, pour into In 100ml water, it is filtrated to get intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- bis- 6 mMs of azoles -2 (3 hydrogen) -one (compound 5), yield 92%.
The synthesis of second step: bms-191011
By intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 hydrogen) - 2.25 mMs of ketone (compound 5) is dissolved in 55ml dichloromethane, is cooled to zero degree, adds 12ml tri- in the presence of nitrogen stream The dichloromethane solution (1.0m) of bromination roc, stirs 18 hours under room temperature, instills 200ml saturated sodium bicarbonate water molten under zero degree In liquid, ethyl acetate extracts, and anhydrous magnesium sulfate is dried, and obtains bms-1910112 mM, yield 90%.
The present embodiment structure of title compound can refer to Fig. 3 and Fig. 4.
Embodiment 8
The synthesis of bms-191011
The first step: intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 The synthesis of (3 hydrogen) -one (compound 5)
By intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (embodiment 1 products obtained therefrom) 6.5 mMs with 6.5 mMs of the chloro- 1- methoxybenzene of intermediate 2- (chloromethyl) -4- (embodiment 4 products obtained therefrom) in nitrogen Under the protection of stream, it is dissolved in anhydrous dmf, adds 6.5 mMs of sodium hydride, after stirring 18 hours under 60 degrees Celsius, pour into In 100ml water, it is filtrated to get intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- bis- 6 mMs of azoles -2 (3 hydrogen) -one (compound 5), yield 82%.
The synthesis of second step: bms-191011
By intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 hydrogen) - 2.25 mMs of ketone (compound 5) is dissolved in 55ml dichloromethane, is cooled to zero degree, adds 12ml tri- in the presence of nitrogen stream The dichloromethane solution (1.0m) of bromination roc, stirs 18 hours under room temperature, instills 200ml saturated sodium bicarbonate water molten under zero degree In liquid, ethyl acetate extracts, and anhydrous magnesium sulfate is dried, and obtains bms-1910112 mM, yield 90%.
The present embodiment structure of title compound can refer to Fig. 3 and Fig. 4.
Embodiment 9
The synthesis of bms-191011
The first step: intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 The synthesis of (3 hydrogen) -one (compound 5)
By intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (embodiment 1 products obtained therefrom) 6.5 mMs with 6.5 mMs of the chloro- 1- methoxybenzene of intermediate 2- (iodo-methyl) -4- (embodiment 3 products obtained therefrom) in nitrogen Under the protection of stream, it is dissolved in anhydrous dmf, adds 6.5 mMs of sodium hydride, after stirring 2 hours under the zero degrees celsius, pour into In 100ml water, it is filtrated to get intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- bis- 5 mMs of azoles -2 (3 hydrogen) -one (compound 5), yield 77%.
The synthesis of second step: bms-191011
By intermediate 3- (5- chloro- 2- methoxyphenyl) -5- (4- trifluoromethyl) -1,3,4- diazole -2 (3 hydrogen) - 2.25 mMs of ketone (compound 5) is dissolved in 55ml dichloromethane, is cooled to zero degree, adds 12ml tri- in the presence of nitrogen stream The dichloromethane solution (1.0m) of bromination roc, stirs 18 hours under room temperature, instills 200ml saturated sodium bicarbonate water molten under zero degree In liquid, ethyl acetate extracts, and anhydrous magnesium sulfate is dried, and obtains bms-1910112 mM, yield 90%.
The present embodiment structure of title compound can refer to Fig. 3 and Fig. 4.
Embodiment 10
The present embodiment verifies preparation 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 provided by the present invention Hydrogen) -one (compound 2) method in, reaction temperature is for the impact of product yield.
Except the difference of reaction temperature, other steps are all identical with the method described in embodiment 1.Different temperatures is for 5- The impact of (4- (trifluoromethyl) phenyl) -1,3,4- diazole -2 (3 hydrogen) -one (compound 2) yield refers to table 1.
Table 1
The data going out given in table 1 can be seen that in the temperature range value provided in the present invention, to compound 2 Yield impact plays a key effect, and the temperature parameter setting of the present invention can make reaction yield significantly improve.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention Embodiment restriction.For those of ordinary skill in the field, can also make on the basis of the above description The change of other multi-forms or variation.There is no need to be exhaustive to all of embodiment.All the present invention's Any modification, equivalent and improvement made within spirit and principle etc., should be included in the protection of the claims in the present invention Within the scope of.

Claims (9)

1. a kind of synthetic method of bms-191011 is it is characterised in that synthetic route is as follows:
Specifically comprise the following steps that
(1) take compound 1 in test tube, add catalyst, oxidant and accelerator, add solvent, put and be filled with an oxidation The balloon of carbon gas, stirs 1-48 hour at 50-80 DEG C, obtains compound 2;Described compound 1 is 4- trifluoromethylbenzene first Hydrazides;Described compound 2 is: 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazolones;
(2) take the compound 2 that step (1) obtains, add compound 4 reaction to obtain compound 5;In described compound 4, x represents Group is-cl ,-br ,-i or-oh, and compound 4 is obtained by compound 3;Described compound 5 is: 3- (5- chloro- 2- methoxybenzene Base) -5- (4- trifluoromethyl) -1,3,4- diazolones;
(3) take the compound 5 that step (2) obtains after deprotection process, obtain bms-191011;Described catalyst is palladium salt; Described oxidant is copper oxide, and described accelerator is trifluoroacetic acid.
2. the synthetic method of bms-191011 according to claim 1 is it is characterised in that described compound 2 is intermediate 5- (4- (trifluoromethyl) phenyl) -1,3,4- diazolones, by compound 1, that is, intermediate 4- trifluoromethylbenzoyl hydrazine is through oxygen Change carbonylation to be obtained.
3. the synthetic method of bms-191011 according to claim 1 is it is characterised in that in step (1), described solvent bag Include oxolane, acetonitrile, n, n- dimethylformamide, toluene, dimethyl sulfoxide, methanol, ethanol, n, n- diethylformamide or One or more of Isosorbide-5-Nitrae-dioxane, reaction temperature is 50-60 DEG C.
4. bms-191011 according to claim 1 synthetic method it is characterised in that: described compound 4 be 2- (halo Methyl) -4- chloro- 1- methoxybenzene or 5- chloro- 2- methoxy benzyl alcohol;Wherein, the chloro- 1- methoxy of described 2- (halogenated methyl) -4- The halo groups of base benzene are-cl ,-br or-i.
5. bms-191011 according to claim 2 synthetic method it is characterised in that: the amount of described palladium salt and compound 1 mol ratio is 0.05~0.5:1;The amount of described oxidant is 1~4:1 with the mol ratio of compound 1.
6. bms-191011 according to claim 2 synthetic method it is characterised in that: the amount of described accelerator and chemical combination The mol ratio of thing 1 is 1~5:1;The pressure of described CO (carbon monoxide converter) gas is 1~100 atmospheric pressure.
7. bms-191011 according to claim 2 synthetic method it is characterised in that: described oxidation carbonylation Time is 1~48 hour.
8. bms-191011 according to claim 1 synthetic method it is characterised in that: in step (1)-step (3), all Using column chromatography, product is isolated and purified;Described column chromatography eluent is the mixed solvent of petroleum ether and ethyl acetate, petroleum ether Volume ratio and ethyl acetate between is 1~40:1.
9. bms-191011 according to claim 1 synthetic method it is characterised in that:
When x is-cl ,-br or-i, in step (2), the concrete preparation method of compound 5 is: takes the compound that step (1) obtains 2, add compound 4, add alkali using after anhydrous solvent dissolving, stir 1-48 hour at 0-100 DEG C, obtain compound 5;
When x is-oh, in step (2), the concrete preparation method of compound 5 is: the compound 2 taking step (1) to obtain, and carries out Mitsunobu reaction obtains compound 5.
CN201510103549.8A 2015-03-09 2015-03-09 Synthetic method for BMS-191011 Expired - Fee Related CN104710379B (en)

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