CN106831605A - A kind of substituted diaryl pyridine derivatives and preparation method and application - Google Patents

A kind of substituted diaryl pyridine derivatives and preparation method and application Download PDF

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CN106831605A
CN106831605A CN201710112835.XA CN201710112835A CN106831605A CN 106831605 A CN106831605 A CN 106831605A CN 201710112835 A CN201710112835 A CN 201710112835A CN 106831605 A CN106831605 A CN 106831605A
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substituted
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membered heterocyclic
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potassium carbonate
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CN106831605B (en
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刘新泳
周忠霞
展鹏
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Shandong University
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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Abstract

The invention discloses a kind of diaryl pyrimidine derivative and its preparation method and application.The substituted diaryl pyrimidine derivatives or its pharmaceutically acceptable salt or prodrug, with the structure shown in below formula I or II, the application in treating and preventing human immunodeficiency virus (HIV) medicine is being prepared present invention additionally comprises the preparation method of substituted diaryl pyrimidine derivatives and the composition containing one or more such compounds.

Description

Substituted diaryl pyrimidine derivative and preparation method and application thereof
Technical Field
The invention belongs to the technical field of medicines, and particularly relates to a substituted diaryl pyrimidine derivative, a preparation method of the derivative and application of the derivative in resisting Human Immunodeficiency Virus (HIV) inhibitors.
Background
Acquired Immune Deficiency Syndrome (AIDS) is a disease that destroys the human immune system and seriously harms human health and life, and is caused by infection with the HIV virus. Among anti-AIDS drugs, HIV-1 Non-nucleoside reverse Transcriptase Inhibitors (NNRTIs) play a key role due to the advantages of strong selectivity, high activity, low toxicity and the like. However, due to the high variability of the HIV-1 virus, the frequent emergence of drug-resistant strains has been a major problem in clinical treatment. In addition, the problems of poor drug resistance, strong toxic and side effects and poor pharmacokinetics of NNRTIs in clinical drug therapy limit their clinical application to some extent. Therefore, the development of novel high-efficiency low-toxicity NNRTIs with strong drug resistance and good pharmacokinetic properties is a hotspot and an important task of AIDS research at present.
DAPY (diamylpyrimides) inhibitors are a class of newly discovered NNRTIs with good flexibility structures, and have high inhibitory activity against wild-type and mutant HIV-1 viruses. Part of the compounds which have been synthesized to date have activity at the danner level on mutant strains, and two drugs, etravirine etrivirine (TMC-125) and rilvirine pirivirine (TMC-278), have been marketed. As a new generation of NNRTIs, the compounds have high inhibitory activity on various drug-resistant strains, but the low water solubility and the poor membrane permeability cause the problems of low bioavailability, large oral dosage, toxic and side effects, cross drug resistance and the like. For example, etravirine requires multiple daily administrations and is associated with severe skin allergic reactions. The pharmacological property of rilpivirine is improved, but the rilpivirine still has toxic and side effects of depression, insomnia, acute respiratory distress syndrome, headache, rash and the like, and the wide application of the rilpivirine is limited. Therefore, the development of high-potency, broad-spectrum resistance drugs and NNRTIs with good pharmacokinetic properties is one of the important fields of pre-anti-AIDS drug research.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a substituted diaryl pyrimidine derivative and a preparation method thereof, and also provides an anti-HIV-1 activity screening result of the substituted diaryl pyrimidine derivative and application thereof in the field of antivirus.
The technical scheme of the invention is as follows:
1. substituted diaryl pyrimidine derivatives
The invention relates to a substituted diaryl pyrimidine derivative, or pharmaceutically acceptable salt, ester or prodrug thereof, which has a structure shown in the following general formula I or II:
wherein,
x is O or NH;
n is 0 or 1;
R1comprises the following steps: one side of the alkynyl or alkenyl is directly connected with a benzene ring, and the other side of the alkynyl or alkenyl is in cyclopropyl, a benzene ring, a substituted naphthalene ring, various substituted six-membered heterocycles, various substituted five-membered heterocycles, various substituted six-membered and six-membered heterocycles, various substituted five-membered and five-membered heterocycles, various substituted benzo five-membered heterocycles or various substituted benzo six-membered heterocycles and various hydrocarbon chain structures with different lengths;
R2,R3independently of each other: h, halogen, cyano, C1-C6Alkyl radical, C1-C6Alkoxy radical, C2-C6Alkenyl, trifluoromethyl, amino or hydroxycyanovinyl;
R4comprises the following steps: substituted benzene rings, substituted naphthalene rings, various substituted six-membered heterocyclic rings, various substituted five-membered heterocyclic rings, various substituted six-membered fused six-membered heterocyclic rings, various substituted five-membered fused five-membered heterocyclic rings, various substituted benzo five-membered heterocyclic rings or various substituted benzo six-membered heterocyclic rings.
In accordance with a preferred aspect of the present invention,
R1is a benzene ring, a cyclopropyl, a monosubstituted benzene ring, a disubstituted benzene ring, an unsubstituted benzene ring or pyridine ring, a substituted pyridine ring with a general formula III or IVA hydrocarbon chain;
wherein,
R5is H2NC6H4、HOOCC6H4、C5NH4、C3H5、OH、C6H5、CONHC6H4Or F3CC6H4
R6Is C6H5Or CH3C6H4
In accordance with a preferred aspect of the present invention,
R4is a substituted benzene ring having the general formula V;
wherein R is7Is SO2NH2、CONH2Or CN.
As used herein, "pharmaceutically acceptable salts" means salts of the compounds which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of human beings and lower animals without undue toxicity, irritation, and allergic response and the like, commensurate with a reasonable benefit/risk ratio, generally water or oil soluble or dispersible, and effective for their intended use. Including pharmaceutically acceptable acid addition salts and pharmaceutically acceptable base addition salts, which are contemplated herein and are compatible with the chemical nature of the compound of formula I, II. A list of suitable salts is found on pages 1-19 of s.m. berge et al, j.pharm.sci.,1977, 66.
"prodrug" as used herein refers to pharmaceutically acceptable derivatives such that the resulting biotransformation product of these derivatives is the active drug as defined for the compound of formula I, II.
According to a further preferred embodiment of the present invention, the substituted diaryl pyrimidine derivative represented by the general formula I or II is one of compounds having the following general formula:
wherein R is2、R3、R4、R5、R6As shown in the general formula I or II.
According to a further preferred embodiment of the present invention, the substituted diaryl pyrimidine derivative of the general formula I or II is one of the following compounds:
2. synthetic route and preparation method of substituted diaryl pyrimidine derivatives
The preparation method of the substituted diaryl pyrimidine derivative comprises the following steps: taking a compound 1 as a starting material, carrying out a melting reaction with 4-aminobenzonitrile at 180 ℃, and refluxing a generated intermediate 2 and phosphorus oxychloride at 100 ℃ to generate an intermediate 3; carrying out sonogashira coupling reaction on a raw material 4 and an alkynyl-substituted intermediate under the condition that cuprous iodide and bis (triphenylphosphine) palladium dichloride are used as catalysts and triethylamine is used as an alkali to obtain an alkynyl-substituted intermediate compound 5, and carrying out heck reaction on the raw material 4 and the alkenyl-substituted intermediate under the condition of palladium acetate to obtain an alkenyl-substituted intermediate 5; carrying out substitution reaction on the intermediate 3 and the intermediate 5 in DMF as a solvent under the alkaline condition of potassium carbonate to obtain a target product I; in addition, an intermediate 6 is taken as a starting material to be dissolved in N, N-dimethylformamide to react with an intermediate 5 at room temperature to obtain an intermediate 7, then the intermediate 7 reacts with N-Boc-4-aminopiperidine in the N, N-dimethylformamide, and then the key intermediate 9 is generated by removing Boc group protection under the condition of trifluoroacetic acid; finally, the key intermediate 9 reacts with various substituted aromatic halides to generate a target product II under the conditions of neutralizing potassium carbonate as alkali in an N, N-dimethylformamide solution;
the synthetic route is as follows:
reagents and conditions: a: 4-aminobenzonitrile, melting at 180 ℃, and performing for 8 hours; b: phosphorus oxychloride for 0.5 h; c: intermediate 5, potassium carbonate, N, N-dimethylformamide, 100 ℃,10 hours; d: (i) substituted phenylacetylene, bis (triphenylphosphine) palladium dichloride, cuprous iodide, substituted phenol, triethylamine and tetrahydrofuran, wherein the temperature is 60 ℃ and the time is 10 hours; (ii) substituted styrenes, palladium acetate, Tol3P, 4-iodine-2, 6-dimethylphenol, sodium ethoxide, N, N-dimethylacetamide and stirring at 60 ℃ for 10 hours; e: substituted phenylacetylene, potassium carbonate, N, N-dimethylformamide at room temperature; f: N-Boc-4-aminopiperidine, potassium carbonate, N, N-dimethylformamide, 120 ℃ for 12 h; g: trifluoroacetic acid, dichloromethane, room temperature, 5 h; h: substituted aromatic halide, potassium carbonate, N, N-dimethylformamide, room temperature.
R1、R2、R3、R4And n is shown as the general formula I or II.
The preparation method of the substituted diaryl pyrimidine derivative preferably comprises the following specific steps:
(1) accurately weighing 1 p-aminobenzonitrile as an initial raw material in a reaction bottle, heating to 180 ℃ under the protection of nitrogen, and reacting for 8 hours; after the reaction is completed, dissolving the reactant by acetonitrile, carrying out ultrasonic treatment, filtering, washing a filter cake by acetonitrile, and drying the solid to obtain a crude product of the intermediate compound 2;
(2) accurately weighing the intermediate 2, dissolving the intermediate in phosphorus oxychloride, performing nitrogen protection, and refluxing for 0.5h at 100 ℃; after the reaction is finished, cooling the reaction solution, slowly dropwise adding the reaction solution into clean ice water to quench phosphorus oxychloride, violently stirring, filtering, dissolving a precipitate with water, adjusting the pH value to be 7 by sodium hydroxide, filtering again, and drying to obtain a yellow solid; recrystallizing with acetone to obtain solid, which is the pure product of the intermediate 3;
(3) accurately weighing a starting material 4, dissolving in tetrahydrofuran, sequentially adding an acetylene substituent, bis (triphenylphosphine) palladium dichloride, cuprous iodide and triethylamine, carrying out nitrogen protection, and refluxing for 10 hours at 60 ℃; after the reaction is finished, filtering the reaction solution by using kieselguhr, extracting the solution by using a saturated sodium chloride solution, drying the filtrate by distillation, mixing the filtrate with a sample, and performing column separation to obtain an intermediate 5; when the raw material is alkene substituent, the alkene substituent is mixed with the intermediate 4, palladium acetate and Tol3Dissolving P and ethanolamine in N, N-dimethylacetamide, heating to 60 ℃ and reacting for 10 h; after the reaction is finished, the solvent is decompressed and evaporated to dryness, and an intermediate 5 is obtained by using an ethyl acetate/petroleum ether system column for separation;
(4) accurately weighing the intermediate 3, the intermediate 5 and potassium carbonate, dissolving in DMF, and reacting at 100 ℃ for 10 h; after the reaction is finished, filtering, evaporating filtrate to dryness, performing column separation, and recrystallizing ethyl acetate/petroleum ether to obtain a target product I;
(5) accurately weighing the intermediate 6, the intermediate 5 and potassium carbonate, dissolving in DMF, and reacting at room temperature for 10 h; after the reaction is finished, filtering, decompressing and evaporating to dryness, and performing column separation to obtain an intermediate 7;
(6) adding N-Boc-4-aminopiperidine and potassium carbonate into the N, N-dimethylformamide solution of the intermediate 7, and heating to 120 ℃ for reaction for 12 hours; after the reaction is cooled, dropwise adding ice water into the reaction liquid, and filtering the suspension to obtain a crude product of the intermediate 8;
(7) dissolving the intermediate 8 obtained in the previous step in dichloromethane, slowly dropwise adding trifluoroacetic acid, stirring at room temperature for 5h, adjusting the pH to 10 by using saturated sodium bicarbonate after the reaction is finished, extracting with dichloromethane, drying, and performing column separation to obtain an intermediate 9;
(8) dissolving the key intermediate 9 and the substituted aromatic halide in N, N-dimethylformamide, adding potassium carbonate, and stirring at room temperature overnight; and after the reaction is finished, evaporating the mixed solution under reduced pressure, extracting the mixed solution by using ethyl acetate for three times, washing an organic layer by using saturated saline solution for three times, drying, filtering, evaporating the mixed solution to dryness, performing column separation, and recrystallizing ethyl acetate/petroleum ether to obtain a target product II.
The room temperature of the invention is 20-30 ℃.
3. anti-HIV-1 wild strain of substituted diaryl pyrimidine derivative, mutant strain activity and application
The partially substituted diaryl pyrimidine derivatives synthesized by the method are subjected to activity screening of anti-HIV-1 (IIIB), single-drug-resistant mutant strains L100I, K103N, Y181C and Y188L, double-drug-resistant mutant strains RES056(K103N/Y181C) and F227L/V106A at a cellular level. In addition, the synthesized compounds were also tested for reverse transcriptase levels; wherein the anti-HIV activity results are shown in Table 1, the substituted diaryl pyrimidine derivatives have remarkable anti-HIV-1 activity, and the EC of all the compounds50Values are all at the nanomolar or sub-nanomolar level, with 8 compounds (IA-1-3, IA-1-4, IA-1-5, IA-1-6, IA-1-8) active on wild type strains up to single nanomolar levels; moreover, the compound has obvious inhibition effect on drug-resistant strains (E138K, K103N and L100I) (table 2), and part of the compound reaches nanomolar level. Therefore, the substituted diaryl pyrimidine derivatives have further development value and can be used as lead compounds for resisting HIV-1.
The substituted diaryl pyrimidine derivative can be used as a non-nucleoside HIV-1 inhibitor. In particular to the application of the compound as an HIV-1 inhibitor in preparing anti-AIDS drugs.
An anti-HIV-1 pharmaceutical composition comprises the substituted diaryl pyrimidine derivative and one or more pharmaceutically acceptable carriers or excipients.
The invention provides a substituted diaryl pyrimidine derivative with a brand-new structure, a preparation method thereof, an anti-HIV-1 activity screening result thereof and a first application thereof in the field of antivirus. Tests prove that the substituted diaryl pyrimidine derivative can be used as an HIV-1 inhibitor and has high application value. In particular to the application of the compound as an HIV-1 inhibitor in preparing anti-AIDS drugs.
Detailed Description
The following examples are given to aid in the understanding of the invention, but are not intended to limit the scope of the invention.
The synthetic routes referred to in the examples are as follows:
the first synthetic route is as follows:
the second synthetic route is as follows:
example 1: preparation of intermediate 4- ((4-chloropyrimidin-2-yl) amino) benzonitrile
Preparation of 4- ((4-oxo-1, 6-dihydropyrimidin-2-yl) amino) benzonitrile (2)
2- (methylthio) pyrimidin-4 (3H) -one (3g,21mmol) and 4-aminobenzonitrile (2.99g,25mmol) were weighed into a 50mL round-bottomed flask, and slowly warmed to 180 ℃ under nitrogen for 8H. After the reaction is cooled, 20mL of acetonitrile is added for ultrasonic treatment, the mixture is filtered, a filter cake is washed by the acetonitrile, TLC detection is carried out to obtain no 4-aminobenzonitrile residue, the filter cake is dried to obtain a light yellow solid, namely 4- ((4-oxo-1, 6-dihydropyrimidin-2-yl) amino) benzonitrile, the yield is 73.6 percent, and ESI-MS is that M/z is 213.3[ M + H ] of]+,C11H8N4O(212.12).
Preparation of intermediate 4- ((4-chloropyrimidin-2-yl) amino) benzonitrile
4- ((4-oxo-1, 6-dihydropyrimidin-2-yl) amino) benzonitrile (0.80g,3.8mmol) was weighed out accurately, 5mL of phosphorus oxychloride was added, and stirring was performed at 100 ℃ under reflux for 0.5 h. After the reaction was cooled, the mixture was slowly added dropwise to 50mL of ice-water mixture, vigorously stirred, filtered, the resulting filter cake redissolved in water, adjusted to pH 7 with sodium hydroxide, filtered again, and dried to give a yellow solid, i.e., 4- ((4-chloropyrimidin-2-yl) amino) benzonitrile. Yield: 71.3 percent; 1H NMR (400MHz, DMSO-d)6)10.58(s,1H),8.55(d,J=5.2Hz,1H,C6-pyrimidine-H),7.87(dd,4H,Ph-H),7.13(d,J=5.2Hz,1H,C6-pyrimidine-H);EI-MS:231.2[M+H]+,C11H7ClN4(230.04).
Example 2: preparation of the target Compound
Preparation of 4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenol
Weighing 3-aminophenylacetylene (0.1g, 0.85mmol), 4-iodo-2, 6-dimethylphenol (0.254g, 1.0mmol), bis (triphenylphosphine) palladium dichloride (0.0359g, 0.51mmol), cuprous iodide (0.0195g, 1.0mmol), triethylamine (0.06g, 0.6mol) dissolved in anhydrous tetrahydrofuran, reacting at 60 ℃ for 10h under the protection of nitrogen, filtering the reaction solution with kieselguhr after TLC detection reaction is finished, evaporating under reduced pressure to dryness, adding 30mL of ethyl acetate into the residual substrate, washing with saturated saline solution for 3 times, 10mL each time, separating an organic layer, drying with anhydrous sodium sulfate, filtering, and concentrating. And performing flash column chromatography separation to obtain an intermediate 4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenol.
Preparation of 4- ((4- (4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenoxy) pyrimidin-2-yl) amino)
4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenol (0.05g, 0.21mmol),4- ((4-chloropyrimidin-2-yl) amino) benzonitrile (0.049g, 0.21mmol) and potassium carbonate (0.035g, 0.25mmol) were weighed out and dissolved in N, N-dimethylformamide and reacted at 100 ℃ for 10 h. After the reaction, the solvent was evaporated under reduced pressure, and then 30mL of ethyl acetate and 10mL of saturated aqueous salt solution were added to the residual substrate and washed 3 times, and the organic layer was separated, dried over anhydrous sodium sulfate, filtered and concentrated. And (3) separating by flash column chromatography to obtain a target compound, and recrystallizing in an ethyl acetate-petroleum ether system to obtain the target compound IA-1-1.
The product was a yellow powder, yield: 70%, melting point: 180 ℃ and 183 ℃.
1HNMR(400MHz,DMSO-d6)10.15(s,1H,NH),8.48(d,J=5.7Hz,1H,C6-pyrimidine-H),7.63(d,J=8.5Hz,2H,Ph-H),7.51(d,J=8.8Hz,2H,Ph-H),7.42(s,2H,Ph-H),7.07(t,J=7.8Hz,Ph-H),6.76(t,J=1.9Hz,1H,Ph-H),6.70(dt,J=7.5,1.2Hz,1H,Ph-H),6.60-6.67(m,2H,C5-pyrimidine-H,Ph-H),5.26(s,2H,NH2),2.09(s,6H,2CH3);13C NMR(100MHz,DMSO)168.83,160.85,159.64,150.19,149.30,145.05,133.05,132.14,131.68,129.69,122.96,120.50,119.85,119.32,118.75,116.63,115.09,102.99,99.37,90.37,87.83,16.30;ESI-MS:432.5[M+H]+.C27H21N5O(431.50).
The procedure was as above, except that 4- ((4-hydroxy-3, 5-dimethylphenyl) ethynyl) benzoic acid was used.
The product was a pale yellow powder, yield: 67%, melting point 273 and 281 ℃.
1H NMR(400MHz,DMSO-d6)13.10(s,1H,carbonyl-H),10.16(s,1H,NH),8.49(d,J=5.7Hz,1H,C6-pyrimidine-H),7.99(d,2H,Ph-H),7.69(d,2H,Ph-H),7.62(d,J=8.5Hz,2H,Ph-H),7.51(m,4H,Ph-H),6.66(d,J=5.6Hz,1H,C5-pyrimidine-H),2.10(s,6H,2CH3);13C NMR(100MHz,DMSO)168.77,167.15,160.90,159.62,150.76,145.02,133.04,132.44,131.94,131.06,130.06,127.09,119.84,119.68,118.74,103.01,99.37,91.96,88.73,16.31;ESI-MS:459.4[M-H].C28H20N4O3(460.49).
The procedure was as above except that 2, 6-dimethyl-4- (pyridin-3-ylethynyl) phenol was used.
The product was white crystals, yield: 89%, melting point: 220 ℃ and 223 ℃.
1H NMR(400MHz,DMSO-d6)10.16(s,1H,NH),8.78(dd,J=2.2,0.9Hz,1H,pyridine-H),8.61(dd,J=4.9,1.7Hz,1H,pyridine-H),8.49(d,J=5.6Hz,1H,C6-pyrimidine-H),8.00(dt,J=7.9,1.9Hz,1H,pyridine-H),7.61(d,J=8.6Hz,2H,Ph-H),7.46-7.54(m,5H,Ph-H,pyridine-H),6.67(d,J=5.6Hz,1H,C5-pyrimidine-H),2.10(s,6H,2CH3);13C NMR(100MHz,DMSO)168.76,160.92,159.62,152.04,150.76,149.48,145.01,138.96,133.05,132.40,131.91,124.13,119.90,119.84,119.59,118.75,103.01,99.37,92.28,86.25,16.31;ESI-MS:418.5[M+H]+.C26H19N5O(417.47).
The procedure was as above except that 2, 6-dimethyl-4- (pyridin-2-ylethynyl) phenol was used.
The product was white crystals, yield: 86%, melting point: 213-216 ℃.
1H NMR(400MHz,DMSO-d6)10.15(s,1H,NH),8.63(dd,J=4.9,1.8,1.0Hz,1H,pyridine-H),8.49(d,J=5.7Hz,1H,C6-pyrimidine-H),7.87(td,J=7.8,1.8Hz,1H,pyridine-H),7.66(dt,J=7.8,1.1Hz,1H,pyridine-H),7.62(d,J=8.6Hz,2H,Ph-H),7.51(m,4H,Ph-H),7.43(m,1H,pyridine-H),6.67(d,J=5.6Hz,1H,C5-pyrimidine-H),2.11(s,6H,2CH3);13C NMR(100MHz,DMSO)168.76,160.91,159.62,150.91,150.66,145.02,142.80,137.28,133.05,132.58,131.96,127.75,123.98,119.83,119.30,118.73,103.01,99.40,89.13,88.34,16.32;ESI-MS:418.6[M+H]+.C26H19N5O(417.47).
The procedure is as above, except that (cyclopropylethynyl) -2, 6-dimethylphenol is used
The product was white crystals, yield: 79%, melting point: 227-.
1H NMR(400MHz,DMSO-d6)10.14(s,1H,NH),8.46(d,J=5.6Hz,1H,C6-pyrimidine-H),7.62(s,2H,Ph-H),7.53(m,4H,Ph-H),6.65(d,J=5.6Hz,1H,C5-pyrimidine-H),2.03(s,6H,2CH3);0.92(m,1H,CH),0.85(m,2H,CH2),0.75(m,2H,CH2);13CNMR(100MHz,DMSO)168.63,160.89,159.56,150.09,145.03,137.63,133.79,133.02,119.85,118.73,102.97,99.38,91.06,16.00,13.41,0.52;ESI-MS:381.5[M+H]+.C24H20N4O(380.45).
The procedure is as above, except that 4- (4-hydroxybut-1-yn-1-yl) -2, 6-dimethylphenol is used
The product was yellow crystals, yield: 49%, melting point: 181 ℃ and 183 ℃.
1H NMR(400MHz,DMSO-d6)10.13(s,1H,NH),8.46(d,J=5.6Hz,1H,C6-pyrimidine-H),7.60(d,J=8.6Hz,2H,Ph-H),7.49(d,J=8.8Hz,2H,Ph-H),7.27(s,2H,Ph-H),6.62(d,J=5.6Hz,1H,C6-pyrimidine-H),4.91(t,J=5.6Hz,1H,-OH),3.62(q,J=6.7Hz,2H,CH2),2.58(t,J=6.9Hz,2H,CH2),2.04(s,6H,2CH3);13C NMR(100MHz,DMSO)168.83,160.82,159.62,149.72,145.03,133.03,132.14,131.38,121.12,119.84,118.71,102.96,99.32,88.49,80.99,60.35,23.76,16.26;ESI-MS:385.5[M+1]+,402.5[M+NH3]+.C23H20N4O2(384.22).
The procedure was as above except that 2, 6-dimethyl-4- (phenylethynyl) phenol was used.
The product was a pale yellow powder, yield: melting point of 53%: 198 ℃ and 201 ℃.
1H NMR(400MHz,DMSO-d6)10.16(s,1H,NH),8.48(d,J=5.6Hz,1H,C6-pyrimidine-H),7.55-7.66(m,4H,Ph-H),7.51(d,J=8.7Hz,2H,Ph-H),7.45(d,J=5.9Hz,5H,Ph-H),6.66(d,J=5.6Hz,1H,C5-pyrimidine-H),2.09(s,6H,2CH3);13C NMR(100MHz,DMSO)168.80,160.89,159.63,150.42,145.03,137.64,133.79,133.04,132.25,131.78,129.26,122.74,120.17,119.84,118.75,103.00,99.36,89.41,89.26,16.30;ESI-MS:417.5[M+1]+.C27H20N4O(416.48).
The procedure was as above, except that N- (3- ((4-hydroxy-3, 5-dimethylphenyl) ethynyl) phenyl) acetamide was used.
The product was a pale yellow powder, yield: 41%, melting point: 251-252 ℃.
1H NMR(400MHz,DMSO-d6)10.14(s,1H,NH),10.06(s,1H,NH),8.48(d,J=5.6Hz,1H,C6-pyrimidine-H),7.91(t,J=1.8Hz,1H,Ph-H),7.63(d,J=8.6Hz,2H,Ph-H),7.47-7.57(m,5H,Ph-H),7.36(t,J=7.9Hz,1H,Ph-H),7.23(dt,J=7.6,1.3Hz,1H,Ph-H),6.65(d,J=5.6Hz,1H,C5-pyrimidine-H),2.09(s,6H,2CH3),2.07(s,3H,CH3);13C NMR(100MHz,DMSO)169.03,168.81,160.86,159.64,150.42,145.03,140.07,133.06,132.28,131.77,129.69,126.45,123.00,121.84,120.09,119.84,118.75,103.00,99.38,89.40,88.99,24.52,16.30;ESI-MS:474.4[M+H]+,496.5[M+Na]+.C29H23N5O2(473.54).
The procedure was as above, except that 4- ((4-aminophenyl) ethynyl) -2, 6-dimethylphenol was used.
The product was a brown powder, yield: melting point of 63%: 195 ℃ and 198 ℃.
H NMR(400MHz,DMSO-d6)10.15(s,1H,NH),8.47(d,J=5.6Hz,1H,C6-pyrimidine-H),7.62(d,J=8.6Hz,2H,Ph-H),7.51(d,J=8.9Hz,2H,Ph-H),7.35(s,2H,Ph-H),7.22(d,J=8.5Hz,2H,Ph-H),6.58(d,J=8.5Hz,2H,Ph-H),6.63(d,J=5.7Hz,1H,C5-pyrimidine-H),5.59(s,2H,NH2),2.07(s,6H,2CH3);13C NMR(100MHz,DMSO)168.89,160.82,159.64,149.92,149.63,145.05,133.04,133.00,131.71,131.49,121.37,119.85,118.74,114.16,108.67,102.97,99.33,91.34,86.35,16.30;ESI-MS:432.6[M+H]+.C27H21N5O(431.50).
Example 3: preparation of the target Compound
Preparation of 2, 6-dimethyl-4-styrylphenol
Styrene (0.177g, 1) was weighed out5mmol), 4-iodo-2, 6-dimethylphenol (0.248g, 1.0mmol), palladium acetate (0.0224g, 0.1mmol), Tol3And (3) putting P (0.091g, 0.3mmol) and sodium ethoxide (0.184g, 2.3mmol) in a double-neck bottle, dropwise adding N, N-dimethylacetamide by using a constant-pressure dropping funnel under the protection of nitrogen, heating to 60 ℃, reacting for 10 hours, evaporating the solvent after the reaction is finished, and performing rapid column separation to obtain a crude product of the intermediate 5.
(E) -4- ((4- (2, 6-dimethyl-4-styrylphenoxy) pyrimidin-2-yl) amino) benzonitrile
The procedure was as for the preparation of IB-1-1, except that 2, 6-dimethyl-4-styrylphenol was used.
The product was white crystals, yield: 38%, melting point; 222 ℃ and 224 ℃.
1H NMR(400MHz,DMSO-d6)10.15(s,1H,NH),8.47(d,J=5.6Hz,1H,C6-pyrimidine-H),7.69-7.59(m,4H,Ph-H),7.47(d,J=8.4Hz,4H,Ph-H),7.40(m,2H,J=16Hz,tran-CH2=CH2-),7.32-7.25(m,3H,Ph-H),6.63(d,J=5.6Hz,1H,C5-pyrimidine-H),2.10(s,6H,2CH3);13C NMR(100MHz,DMSO)169.08,160.71,159.69,149.45,149.33,145.09,138.24,137.47,135.32,135.22,134.81,133.03,131.06,131.02,129.79,129.08,128.96,128.81,127.99,127.40,127.30,127.20,127.16,126.84,124.21,119.83,118.73,102.90,99.34,21.50,21.31,16.60,15.99;ESI-MS:419.3[M+H]+.C27H22N4O(418.50).
The procedure was as above except that 2, 6-dimethyl-4- (4-methylstyryl) phenol was used.
The product was a pale yellow crystal, yield: 43% melting point: 212 ℃ and 214 ℃.
1H NMR(400MHz,DMSO-d6)10.15(s,1H,NH),8.46(d,J=5.6Hz,1H,C6-pyrimidine-H),7.71-7.58(m,5H,Ph-H),7.47(d,J=7.7Hz,5H),7.40(m,2H,J=16Hz,tran-CH2=CH2-),7.33-7.23(m,3H),6.63(d,J=5.7Hz,1H,C5-pyrimidine-H),2.11(s,6H,2CH3);13C NMR(100MHz,DMSO)169.07,160.73,159.69,149.49,145.09,137.58,135.16,133.79,133.04,131.07,129.20,128.88,128.18,128.07,127.35,126.90,119.82,118.74,102.90,99.36,16.60,15.99;ESI-MS:433.5[M+H]+.C28H24N4O(432.53).
Example 4: preparation of the target Compound
Preparation of (4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenoxy) -N- (piperidin-4-yl) pyrimidin-2-amine
The compound 2, 4-dichloropyrimidine (50.0mmol), 4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenol (50.0mmol) was weighed out in 10mL of DMF and anhydrous potassium carbonate (60.0mmol) and stirred at room temperature for 10h (TLC complete reaction). And (4) separating by flash column chromatography to obtain a target compound, and recrystallizing in an ethyl acetate-petroleum ether system to obtain a crude product. The resulting crude product (0.3g,0.86mmol), N-Boc-4-aminopiperidine (0.21g,1.0mmol) and potassium carbonate (0.15g,1.7mmol) were dissolved in 10mL of N, N-dimethylformamide and then heated under reflux for 12 hours. After the reaction was cooled to room temperature, the reaction solution was slowly added dropwise to 20mL of the aqueous solution, and stirred, whereby a large amount of solid was formed. Filtering and drying to obtain a crude product of the tert-butyl 4- ((4- (4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenoxy) pyrimidin-2-yl) amino) piperidine-1-carboxylate. The crude product (0.60g,1.5mmol) was weighed out and dissolved in 5mL of dichloromethane, and trifluoroacetic acid (0.74mL,10mmol) was slowly added thereto and stirred at room temperature for 5 hours (TLC completion of the reaction). To the reaction mixture was added 10mL of water, the pH was adjusted to 10 with a saturated aqueous solution of sodium hydrogencarbonate, and the mixture was extracted with methylene chloride (3X 5mL), washed with saturated brine, and the organic layer was separated and dried over anhydrous sodium sulfate. And then performing flash column chromatography separation to obtain a white solid, namely the compound (4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenoxy) -N- (piperidin-4-yl) pyrimidine-2-amine.
Preparation of 3- (4- ((4- (4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenoxy) pyrimidin-2-yl) amino) piperidin-1-yl)
The compound 4- ((3-aminophenyl) ethynyl) -2, 6-dimethylphenoxy) -N- (piperidin-4-yl) pyrimidin-2-amine (0.48mmol) was weighed into 10mL of DMF and stirred at room temperature to dissolve it, and then anhydrous potassium carbonate (0.13g,0.96mmol) and substituted chlorobenzyl chloride or bromobenzyl (0.58mmol) were added and stirred at room temperature for 12h (TLC detection was complete). After the solvent was evaporated to dryness under reduced pressure, 30mL of ethyl acetate was added to the residual substrate, washed with 10mL of a saturated aqueous solution of sodium chloride 3 times, and the organic layer was separated, dried over anhydrous sodium sulfate, filtered, and concentrated. And (3) separating by flash column chromatography to obtain a target compound, and recrystallizing in an ethyl acetate-petroleum ether system to obtain the target compound IA-1-1.
The product was a pale yellow crystal, yield: 43% melting point: 113 ℃ and 115 ℃.
1H NMR(400MHz,DMSO-d6)8.18(s,1H,-NH2),7.89(s,1H,-NH2),7.48-6.94(m,8H,C6-pyrimidine-H,Ph-H),6.79-6.51(m,3H,Ph-H,C5-pyrimidine-H),6.15(s,1H,NH),5.24(s,2H,NH2),3.53-3.92(m,4H,piperidine-H),2.86-2.63(m,1H,piperidine-H),2.07(s,6H,2CH3),1.23(s,4H,piperidine-H),0.93-0.74(m,1H,piperidine-H).13C NMR(100MHz,DMSO)168.71,151.23,149.27,135.39,131.62,129.66,129.22,122.98,120.07,119.25,117.98,116.56,60.22,48.22,29.48,22.56,21.23,16.37,14.56;ESI-MS:533.5[M+H]+.C32H32N6O2(532.65).
The procedure was as above except that 4-methylsulfonylbenzyl bromide was used.
The product was a pale yellow crystal, yield: 43% melting point: 159 ℃ and 161 ℃.
1H NMR(400MHz,DMSO-d6)8.15(d,J=5.5Hz,1H,C6-pyrimidine-H),7.75(s,2H,Ph-H),7.43(s,2H,Ph-H),7.30(s,2H,Ph-H),7.29(s,2H,-SO2NH2),7.06(t,J=7.8Hz,1H,Ph-H),6.72(s,1H,NH),6.70-6.56(m,2H,Ph-H),6.13(d,J=5.5Hz,1H,C5-pyrimidine-H),5.25(s,2H,NH2),3.69(s,1H,piperidine-H),3.37-3.59(m,2H,piperidine-H),2.55-2.87(m,2H,piperidine-H),2.04(s,6H,2CH3),1.2-1.8(m,6H,piperidine-H);13C NMR(100MHz,DMSO)168.78,149.30,131.61,129.69,129.40,126.04,123.04,120.06,119.24,116.57,115.01,95.61,94.00,90.11,61.98,52.66,31.50,22.57,16.34;ESI-MS:583.4[M+H]+.C32H34N6O3S(582.72).
Example 5: in vitro anti-HIV Activity test experiment of target Compounds
The test principle is as follows:
the compound in vitro anti-HIV activity screening adopts an MTT method. MTT is known collectively as 3- (4, 5-dimethyl-2-thiazolyl) -2, 5-diphenyltetrazolium bromide (trade name: thiazole blue), and can be used to detect the survival and growth of cells. The detection principle is as follows: MTT can be combined with succinate dehydrogenase in living cells and reduced to blue-violet crystal formazan which is insoluble in water, and the MTT is deposited in the cells, but dead cells do not have the function. Formazan in cells can be dissolved by dimethyl sulfoxide, and the number of living cells can be indirectly reflected by detecting the absorbance (A) value at 590nm by using an enzyme labeling instrument. Within a certain range of cell number, MTT crystals are formed in an amount proportional to the cell number.
Since the HIV-infected MT-4 cells are diseased within a certain period of time (5-7 days), the suspension of the HIV-infected MT-4 cells is addedAfter culturing a solution of the compound to be detected at an appropriate concentration for a period of time (5-7 days), the viability of MT-4 cells is determined by MTT assay to obtain the drug concentration (EC) that protects 50% of the cells from cytopathic effects50) The anti-HIV activity of the target compound can be obtained. Simultaneously obtaining the concentration (CC) of the target compound which can cause 50 percent of cells not infected by HIV to generate pathological changes50) Calculating the selection coefficient (SI ═ CC)50/EC50)。
Test materials and methods:
(1)HIV-1(IIIB) HIV-2(ROD) strain, various HIV-1 resistant strains: supplied by the institute Rega research institute of medical institute, Washington, Belgium.
(2) MT-4 cells: supplied by Rega research institute of medical institute, luwen university, belgium.
(3) MTT: purchased from Sigma, usa.
(4) Sample treatment: the samples were dissolved in DMSO to give appropriate concentrations just before use and diluted 5-fold with double distilled water, 5 dilutions each.
(5) Positive control drug: nevirapine (NVP), Efavirenz (EFV), etravirine (TMC125), zidovudine (AZT), Delavirdine (DLV), rilpivirine (TMC 278).
(6) The test method comprises the following steps: diluting the sample, adding into suspension of HIV-infected MT-4 cell, determining cell activity by MTT colorimetric method after a period of time, recording absorbance (A) value at 590nm in microplate reader, and calculating EC50、CC50And an SI.
(7) MTT colorimetric method: after adding the sample solution for incubation for a period of time, 20. mu.L of MTT solution (5mg/mL) was added to each well, and after incubation for several hours, the staining solution was discarded, 150. mu.L of DMSO was added to each well, mixed well, and the absorbance (A) at 590nm was measured in a microplate reader.
The experimental method comprises the following steps:
50 μ L of 1 × -containing suspension was added to a 96-well cell culture plate104Adding 20 μ L of infected HIV-1 (III) into MT-4 cell culture mediumBOr RES056) or HIV-2(ROD) in MT-4 cell suspensions (100-fold CCID per ml)50) Or a blank medium (toxicity assay) and then adding different concentrations of test compound solutions or positive control drugs, 3 replicate wells per concentration. Cells were then incubated at 5% CO2The culture was carried out under an atmosphere of 37 ℃ for 5 days, 20. mu.L (5mg/mL) of MTT solution was added to each well, the culture was continued for 2 hours, DMSO was then added, the absorbance of the reaction solution at 540nm was measured using a microplate reader, and the cell proliferation rate P% at various concentrations of the compound was calculated. Both blank and drug controls and positive drug controls were run to calculate the concentration of compound required to protect 50% of the cells from HIV-induced cytopathic Effects (EC)50). Calculation of selection index: SI ═ CC50/EC50
The synthetic partially substituted diaryl pyrimidine derivatives were subjected to cellular anti-HIV-1 (III) treatment according to the above experimental methodsB) The results of activity screening of the single mutants K103N, Y181C, Y188L and the double mutant RES056(K103N/Y181C) are shown in tables 1 and 2.
TABLE 1 inhibitory Activity and cytotoxicity against HIV-1(IIIB) of partially substituted diarylpyrimidine derivatives (MT-4 cells)
Note:aEC50(ii) a concentration of a compound that protects 50% of MT-4 cells infected with HIV-1 from cytopathic effects;bCC50a concentration of compound that causes lesions in 50% of cells not infected with HIV-1;ccoefficient of selectivity CC50/EC50The ratio of (A) to (B); TMC278, NVP, EFV, ETV, DLV represent marketed drugs Ripidil respectivelyVirin, nevirapine, efavirenz, etravirin and delavirdine.
TABLE 2 inhibitory Activity of some Compounds on HIV-resistant strains (MT-4 cells)
Note:aEC50(ii) a concentration of a compound that protects 50% of MT-4 cells infected with HIV-1 from cytopathic effects; TMC278, NVP, EFV, ETV, DLV represent marketed drugs rilpivirine, nevirapine, efavirenz, etravirine and delavirdine, respectively.
And (4) conclusion:
as can be seen from tables 1 and 2, the substituted diaryl pyrimidine derivatives of the invention are a series of non-nucleoside HIV-1 inhibitors with alkynyl at the left wing and novel skeletons, and show better anti-HIV-1 wild strain and mutant strain activity. Most compounds inhibit EC of wild strain and mutant strain50The value reaches nanomolar level, wherein the activity of the compound IA-1-3 is particularly outstanding, and the EC of the compound is higher than that of the wild strain of HIV-150The value of 0.003 mu M is equivalent to that of the latest generation drug Etravirine (ETV), and the cytotoxicity (CC)503.476 μ M) was 1.58 times higher than etravirine, and the selectivity index for HIV-1 wild strain was 1010, higher than that for etravirine. In addition, the compound IIA-1-3 also shows good inhibitory activity to mutant strains, so that the substituted diaryl pyrimidine derivative has further development value and can be used as a lead compound for resisting HIV-1.

Claims (9)

1. A substituted diaryl pyrimidine derivative or a pharmaceutically acceptable salt, ester or prodrug thereof has a structure shown as the following general formula I or II:
wherein,
x is O or NH;
n is 0 or 1;
R1comprises the following steps: alkynes directly linked on one side to the benzene ringThe other side of the group or the alkenyl is cyclopropyl, a benzene ring, a substituted naphthalene ring, various substituted six-membered heterocyclic rings, various substituted five-membered heterocyclic rings, various substituted six-membered fused six-membered heterocyclic rings, various substituted five-membered fused five-membered heterocyclic rings, various substituted benzo five-membered heterocyclic rings or various substituted benzo six-membered heterocyclic rings and hydrocarbon chain structures with different lengths;
R2,R3independently of each other: h, halogen, cyano, C1-C6Alkyl radical, C1-C6Alkoxy radical, C2-C6Alkenyl, trifluoromethyl, amino or hydroxycyanovinyl;
R4comprises the following steps: substituted benzene rings, substituted naphthalene rings, various substituted six-membered heterocyclic rings, various substituted five-membered heterocyclic rings, various substituted six-membered fused six-membered heterocyclic rings, various substituted five-membered fused five-membered heterocyclic rings, various substituted benzo five-membered heterocyclic rings or various substituted benzo six-membered heterocyclic rings.
2. The substituted diarylpyrimidine derivatives of claim 1, wherein R is1Is a benzene ring, a cyclopropyl, a mono-substituted benzene ring, a di-substituted benzene ring, an unsubstituted benzene ring or pyridine ring, a substituted pyridine ring, a hydrocarbon chain with a general formula III or IV;
wherein,
R5is H2NC6H4、HOOCC6H4、C5NH4、C3H5、OH、C6H5、CONHC6H4Or F3CC6H4
R6Is C6H5Or CH3C6H4
3. As in claimThe substituted diaryl pyrimidine derivative according to claim 1, wherein R is4Is a substituted benzene ring having the general formula V;
wherein R is7Is SO2NH2、CONH2Or CN.
4. The substituted diaryl pyrimidine derivative according to claim 1, which is one of the compounds having the following general formula:
wherein R is2、R3、R4As described in claim 1, R5、R6As claimed in claim 2.
5. The substituted diaryl pyrimidine derivative according to claim 4, which is one of the compounds having the following general formula:
6. the process for preparing substituted diaryl pyrimidine derivatives according to claim 1, wherein compound 1 is used as starting material, and 4-aminobenzonitrile is subjected to melt reaction at 180 ℃, and the produced intermediate 2 and phosphorus oxychloride are refluxed at 100 ℃ to produce intermediate 3; carrying out sonogashira coupling reaction on a raw material 4 and an alkynyl-substituted intermediate under the condition that cuprous iodide and bis (triphenylphosphine) palladium dichloride are used as catalysts and triethylamine is used as an alkali to obtain an alkynyl-substituted intermediate compound 5, and carrying out heck reaction on the raw material 4 and the alkenyl-substituted intermediate under the condition of palladium acetate to obtain an alkenyl-substituted intermediate 5; carrying out substitution reaction on the intermediate 3 and the intermediate 5 in DMF as a solvent under the alkaline condition of potassium carbonate to obtain a target product I; in addition, an intermediate 6 is taken as a starting material to be dissolved in N, N-dimethylformamide to react with an intermediate 5 at room temperature to obtain an intermediate 7, then the intermediate 7 reacts with N-Boc-4-aminopiperidine in the N, N-dimethylformamide, and then the key intermediate 9 is generated by removing Boc group protection under the condition of trifluoroacetic acid; finally, the key intermediate 9 reacts with various substituted aromatic halides to generate a target product II under the conditions of neutralizing potassium carbonate as alkali in an N, N-dimethylformamide solution;
the synthetic route is as follows:
reagents and conditions: a: 4-aminobenzonitrile, melting at 180 ℃, and performing for 8 hours; b: phosphorus oxychloride for 0.5 h; c: intermediate 5, potassium carbonate, N, N-dimethylformamide, 100 ℃,10 hours; d: (i) substituted phenylacetylene, bis (triphenylphosphine) palladium dichloride, cuprous iodide, substituted phenol, triethylamine and tetrahydrofuran, wherein the temperature is 60 ℃ and the time is 10 hours; (ii) substituted styrenes, palladium acetate, Tol3P, 4-iodine-2, 6-dimethylphenol, sodium ethoxide, N, N-dimethylacetamide and stirring at 60 ℃ for 10 hours; e: substituted phenylacetylene, potassium carbonate, N, N-dimethylformamide at room temperature; f: N-Boc-4-aminopiperidine, potassium carbonate, N, N-dimethylformamide, 120 ℃ for 12 h; g: trifluoroacetic acid, dichloromethane, room temperature, 5 h; h: substituted aromatic halide, potassium carbonate, N, N-dimethylformamide, room temperature;
R1、R2、R3、R4n is represented by the general formula I or II in claim 1.
7. The process for preparing substituted diaryl pyrimidine derivatives according to claim 6, wherein the steps are as follows:
(1) accurately weighing 1 p-aminobenzonitrile as an initial raw material in a reaction bottle, heating to 180 ℃ under the protection of nitrogen, and reacting for 8 hours; after the reaction is completed, dissolving the reactant by acetonitrile, carrying out ultrasonic treatment, filtering, washing a filter cake by acetonitrile, and drying the solid to obtain a crude product of the intermediate compound 2;
(2) accurately weighing the intermediate 2, dissolving the intermediate in phosphorus oxychloride, performing nitrogen protection, and refluxing for 0.5h at 100 ℃; after the reaction is finished, cooling the reaction solution, slowly dropwise adding the reaction solution into clean ice water to quench phosphorus oxychloride, violently stirring, filtering, dissolving a precipitate with water, adjusting the pH value to be 7 by sodium hydroxide, filtering again, and drying to obtain a yellow solid; recrystallizing with acetone to obtain solid, which is the pure product of the intermediate 3;
(3) accurately weighing a starting material 4, dissolving in tetrahydrofuran, sequentially adding an acetylene substituent, bis (triphenylphosphine) palladium dichloride, cuprous iodide and triethylamine, carrying out nitrogen protection, and refluxing for 10 hours at 60 ℃; after the reaction is finished, filtering the reaction solution by using kieselguhr, extracting the solution by using a saturated sodium chloride solution, drying the filtrate by distillation, mixing the filtrate with a sample, and performing column separation to obtain an intermediate 5; when the raw material is alkene substituent, the alkene substituent is mixed with the intermediate 4, palladium acetate and Tol3Dissolving P and ethanolamine in N, N-dimethylacetamide, heating to 60 ℃ and reacting for 10 h; after the reaction is finished, the solvent is decompressed and evaporated to dryness, and an intermediate 5 is obtained by using an ethyl acetate/petroleum ether system column for separation;
(4) accurately weighing the intermediate 3, the intermediate 5 and potassium carbonate, dissolving in DMF, and reacting at 100 ℃ for 10 h; after the reaction is finished, filtering, evaporating filtrate to dryness, performing column separation, and recrystallizing ethyl acetate/petroleum ether to obtain a target product I;
(5) accurately weighing the intermediate 6, the intermediate 5 and potassium carbonate, dissolving in DMF, and reacting at room temperature for 10 h; after the reaction is finished, filtering, decompressing and evaporating to dryness, and performing column separation to obtain an intermediate 7;
(6) adding N-Boc-4-aminopiperidine and potassium carbonate into the N, N-dimethylformamide solution of the intermediate 7, and heating to 120 ℃ for reaction for 12 hours; after the reaction is cooled, dropwise adding ice water into the reaction liquid, and filtering the suspension to obtain a crude product of the intermediate 8;
(7) dissolving the intermediate 8 obtained in the previous step in dichloromethane, slowly dropwise adding trifluoroacetic acid, stirring at room temperature for 5h, adjusting the pH to 10 by using saturated sodium bicarbonate after the reaction is finished, extracting with dichloromethane, drying, and performing column separation to obtain an intermediate 9;
(8) dissolving the key intermediate 9 and the substituted aromatic halide in N, N-dimethylformamide, adding potassium carbonate, and stirring at room temperature overnight; and after the reaction is finished, evaporating the mixed solution under reduced pressure, extracting the mixed solution by using ethyl acetate for three times, washing an organic layer by using saturated saline solution for three times, drying, filtering, evaporating the mixed solution to dryness, performing column separation, and recrystallizing ethyl acetate/petroleum ether to obtain a target product II.
8. Use of a compound according to any one of claims 1 to 5 for the preparation of a medicament for the treatment and prophylaxis of Human Immunodeficiency Virus (HIV).
9. A pharmaceutical composition for the treatment and prophylaxis of human immunodeficiency virus comprising a compound according to any one of claims 1 to 5 and one or more pharmaceutically acceptable carriers or excipients.
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