CN106397407B - The preparation method of antitumor drug AZD9291 derivatives - Google Patents

The preparation method of antitumor drug AZD9291 derivatives Download PDF

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CN106397407B
CN106397407B CN201610799718.0A CN201610799718A CN106397407B CN 106397407 B CN106397407 B CN 106397407B CN 201610799718 A CN201610799718 A CN 201610799718A CN 106397407 B CN106397407 B CN 106397407B
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azd9291
derivatives
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antitumor drug
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CN106397407A (en
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沈超
王栋
杨铭
杨勇
章鹏飞
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ZHEJIANG CHEMTRUE BIOMEDICAL Co.,Ltd.
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Zhejiang Poly Chemical Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/04Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/20Carbocyclic rings
    • C07H15/203Monocyclic carbocyclic rings other than cyclohexane rings; Bicyclic carbocyclic ring systems

Abstract

The present invention relates to a kind of new type antineoplastic medicine AZD9291 derivatives and preparation method thereof and its application in preparations of anti-tumor drugs.The present invention is in certain solution; 2 base containing (3 base of 1H indoles) pyrimidine is added] polysubstituted Aniline intermediates, the thiocyanates of R4 substitutions or the fatty amine or osamine of isothiocyanates, R protections, be added after suitable acid binding agent at a temperature of 30 DEG C~80 DEG C stirring extremely the reaction was complete AZD9291 derivatives are prepared.The present invention carries out derivative synthesis to AZD9291, helps to improve its antitumor activity, can be applied to prepare in antitumor drug, is of great significance to the antitumor drug for finding new.

Description

The preparation method of antitumor drug AZD9291 derivatives
Technical field
The present invention relates to a kind of new type antineoplastic medicine AZD9291 derivatives and preparation method thereof and its prepare it is anti- Application in tumour medicine.
Background technology
AZD9291 (Osimertinib), EGFR T790M specific inhibitors.AZD9291 is that potent take orally of one kind can not Inverse EGFR inhibitor, is specific to EGFR Positive mutants and T790M medicament-resistant mutations, it is under the jurisdiction of the Lip rivers third generation EGFR propylhomoserin and swashs Enzyme inhibitor family, one very big feature of the medicine is it has preferable effect to T790M mutation, while to EGFR wild types Almost without effect, therefore, the fash incidence of the medicine is relatively low, and side effect is smaller, and clinical trial is confirmed using AZD9291's Having 12 in 26 patients, ((46%) local tumor reduces, and 12 patients have T790M mutation, treats to wherein 7 (58%) effectively, other patient experiences stable diseases in being actively being implemented at present for the experiment of AZD9291 Dosage regimens, expect The result of phase in future experiment.For Advanced Non-Small Cell adenocarcinoma of lung (NSCLC) patient, the targeting of EGFR and ALK mutation is controlled Treatment is standard regimens now.However, the effect of these drugs is generally very of short duration, drug resistance will be generated within 9-11 months, it So EGFR or ALK inhibitor can be escaped because of cancer cell by being mutated and changing growth pattern by such case occur Therapeutic activity.As the third generation, oral, irreversible selectivity EGFR inhibition from mutation agent, can be used for activating and resistant mutation EGFR, that is to say, that for patients with advanced NSCLC, 50% anti-EGFR treatment acquired resistance (such as Iressa, The drug resistance of Erlotinib, Kai Meina) it is caused by being mutated by T790M, AZD9291 can make the mutation of this challenge invalid.
AZD9291 is ground due to its excellent antitumor activity energy with the preparation of reactive compound and activity derived from its structure Great concern will also be received by studying carefully, therefore synthesize AZD9291 derivatives, research and develop its " Me-too " or " Me-better " medicine Object has significant application value.This patent is based on document early period and itself Research foundation, and thiocarbamide or urea functional group, osamine are drawn Enter in AZD9291 precursor structures, it is desirable to be able to increase the dissolubility of compound, increase drug molecule and tyrosine kinase catalytic domain The specific spatial binding site in domain reduces tyrosine-kinase enzyme activity to competitively tyrosine kinase be prevented to be combined with ATP Property, it is of great significance to the antitumor drug for finding new.
Invention content
The purpose of the present invention is to provide a kind of new AZD9291 derivatives and its preparation side with active anticancer feature Method and its application in preparation of anti-tumor drugs.
A kind of the present invention provides structural formulas AZD9291 derivatives as shown in (I):
Wherein, R1For one kind in hydrogen, methyl, fluorine-based, chloro, bromo, iodo, nitro, phenyl; R2For hydrogen, methyl, first One kind in oxygroup, ethyoxyl;R is one kind in hydrogen-based, 2- dimethylaminoethyls, glycosyl;R3For one kind of hydrogen, methyl;R4For One kind of aryl, heteroaryl;X is sulphur or oxygen.
Preferably, R1For hydrogen, R2For methoxyl group, R is the glucosyl group of pivaloyl group protection, R3For hydrogen, R4For phenyl.
Preferably, R1For hydrogen, R2For methoxyl group, R is glucosyl group, R3For hydrogen, R4For phenyl.
Preferably, R1For hydrogen, R2For methoxyl group, R is 2- dimethylaminoethyls, R3For hydrogen, R4For phenyl.
Preferably, R1For hydrogen, R2For methoxyl group, R is 2- dimethylaminoethyls, R3For hydrogen, R4For trifluoromethyl.
In addition the pharmaceutically acceptable salt of suitable formula (I) compound is such as acid-addition salts.For example, can be with inorganic Acid or organic acid form acid-addition salts.It can use and form acid-addition salts selected from inorganic acids such as hydrochloric acid, hydrobromic acid, sulfuric acid and phosphoric acid. It can use selected from methanesulfonic acid, acetic acid, formic acid, benzoic acid, trifluoroacetic acid, citric acid, maleic acid, oxalic acid, fumaric acid, winestone The organic acid formation acid-addition salts of acid, lactic acid, benzene sulfonic acid and p-methyl benzenesulfonic acid.
The present invention also provides a kind of preparation methods of structural formula AZD9291 derivatives as shown in (I), in certain solution In, structural formula is added such as (II) shown in containing (1H- indol-3-yls) pyrimidine -2-base]-polysubstituted Aniline intermediates, structural formula The R as shown in (III)4Fatty amine that substituted thiocyanates or isothiocyanates, the structural formula R as shown in (IV) are protected or Osamine, stirring at a temperature of 30 DEG C~80 DEG C is added after suitable acid binding agent, and extremely the reaction was complete.
Preferably, the solution is one of following:Acetonitrile, tetrahydrofuran or dichloromethane;Acid binding agent is one of following: Triethylamine, tri-n-butylamine or diisopropylethylamine;It is described contain (1H- indol-3-yls) pyrimidine -2-base]-polysubstituted aniline among Body, R4Substituted thiocyanates or isothiocyanates, the fatty amine of R protections or osamine, acid binding agent the amount ratio of substance be 1.0: 0.95~1.05:0.95~1.05:1.95~2.05.
Its preparation route is as follows:
Preferably, reaction temperature is 55 DEG C, reaction uses HPLC tracing detections, after reaction through cooling, filtering, baking The product done, recrystallize after purification.
Preferably, the preparation method of AZD9291 derivatives includes the following steps:
(1) it prepares:In tetrahydrofuran, be added (1H- indol-3-yls) pyrimidine -2-base]-polysubstituted aniline and phenyl Isothiocyanates generates intermediate state at a temperature of 35 DEG C, then adds fatty amine or osamine, under triethylamine effect, is warming up to 55 DEG C are stirred to react to complete;Wherein (1H- indol-3-yls) pyrimidine -2-base]-polysubstituted aniline, phenyl isothiocyanate, The ratio between the gucosamine of pivaloyl group protection, amount of substance of triethylamine are 1.0:1.05:1.05:2.0;
(2) it purifies:10 DEG C are cooled to, filtering is washed with cold tetrahydrofuran, target is obtained with ethyl alcohol recrystallization again after drying Product.
Structural formula AZD9291 derivatives application in preparation of anti-tumor drugs as shown in (I).
The purity grade of the tetrahydrofuran involved in the present invention arrived is chemical pure (CP) or more, and (1H- indoles -3- bases) is phonetic Pyridine -2- bases]-polysubstituted aniline be purchased from the Hangzhou bio tech ltd Lu Pu, triethylamine is purchased from the prosperous and powerful chemical share in Jiangsu The gucosamine of Co., Ltd, pivaloyl group protection is purchased from Aladdin reagent (Shanghai) Co., Ltd..
The AZD9291 derivatives of preparation are applied to H1975 cells (lung tumor cell), carry out active anticancer test, are used Mtt assay measures the proliferative conditions of above-mentioned tumour cell, the experimental results showed that its have to H1975 cells (lung tumor cell) it is certain Inhibiting effect.
AZD9291 derivatives of the present invention can be applied to prepare in antitumor drug.
The present invention provides a kind of AZD9291 derivatives with active anticancer newly and is helped to improve by molecular modification Its antitumor activity can be applied to prepare in antitumor drug, be of great significance to the antitumor drug for finding new.
Specific implementation mode
The present invention is further explained in the light of specific embodiments, but protection scope of the present invention is not limited to this.
Embodiment 1
The preparation of AZD9291 derivatives (I)
Compound II-a.63g (0.1mol) is added in 250mL flasks, is dissolved in 80mL THF, the different sulphur of phenyl is added Cyanate III-a1.27g (0.101mol), 3h is reacted in 35 DEG C, and decompression boils off tetrahydrofuran, obtains crude product.Crude product without point Gucosamine IV-a (5.20g, 0.101mol) from direct and Piv protections, 5.6mL triethylamines and 20mL THF are anti-in 55 DEG C Should a large amount of bright yellow solids be precipitated for 24 hours, reaction uses HPLC tracing detections.10 DEG C are cooled to, filtering is washed with cold tetrahydrofuran It washs, yellow solid I-a, yield 98%, fusing point is obtained with ethyl alcohol recrystallization after crude product drying:152~154 DEG C.
1H NMR(400MHz,DMSO)δ:δ 10.08 (s, 1H), 9.19 (s, 1H), 8.59 (s, 1H), 8.29 (d, J= 4.9Hz, 1H), 8.15 (d, J=46.8Hz, 2H), 7.68 (s, 1H), 7.46 (d, J=7.5Hz, 2H), 7.33-7.28 (m, 3H), 7.22 (d, J=7.0Hz, 2H), 7.11 (d, J=5.4Hz, 2H), 6.75 (s, 1H), 6.82-6.86 (m, 1H), 5.33 (d, J=9.2Hz, 1H, G3), H 5.16 (t, J=9.6Hz, 1H, G4), H 5.09 (t, J=9.2Hz, 1H, G2H),5.51(t,J =9.2Hz, 1H, G1H),4.22-4.11(m,2H,G6H), 3.96(m,1H,G5H),3.90(s,3H),2.18(s,6H) .1.17-1.09(m,36H),13C NMR(126 MHz,CDCl3)δ178.75,162.21,159.69,157.48,146.24, 138.74,138.03,132.52, 128.70,126.96,125.81,125.54,124.49,122.36,121.24, 120.81,114.25,113.66, 110.08,108.46,104.62,56.94,56.06,55.01,45.01,43.45, 33.34。
Embodiment 2
Compound II-a (3.63g, 0.1mol) is added in 250mL flasks to be dissolved in 80mL THF, it is different that phenyl is added Thiocyanates III-a (1.27g, 0.101mol), 3h is reacted in 35 DEG C, and decompression boils off tetrahydrofuran, obtains crude product.Crude product without Direct and gucosamine IV-b (1.80g, 0.101mol), 5.6 mL triethylamines and 20mL THF are detached, for 24 hours in 55 DEG C of reactions, A large amount of bright yellow solids are precipitated, reaction uses HPLC tracing detections.10 DEG C are cooled to, filtering is washed, slightly with cold tetrahydrofuran After product drying yellow solid I-b, yield 95%, fusing point are obtained with ethyl alcohol recrystallization:132~134 DEG C.
1H NMR(400MHz,DMSO)δ:δ 10.07 (s, 1H), 9.19 (s, 1H), 8.57 (s, 1H), 8.29 (d, J= 4.9Hz, 1H), 8.13 (d, J=42.8Hz, 2H), 7.65 (s, 1H), 7.45 (d, J=7.5Hz, 2H), 7.33-7.28 (m, 3H), 7.22 (d, J=7.0Hz, 2H), 7.11 (d, J=5.4Hz, 2H), 6.75 (s, 1H), 6.82-6.86 (m, 1H), 5.33 (d, J=9.2Hz, 1H, G3), H 5.16 (t, J=9.6Hz, 1H, G4), H 5.09 (t, J=9.2Hz, 1H, G2H),5.51(t,J =9.2Hz, 1H, G1H),4.22-4.11(m,2H,G6H), 3.96(m,1H,G5H),3.90(s,3H),2.18(s,6H).13C NMR(126MHz,CDCl3)δ178.75, 162.21,159.69,157.48,146.24,138.74,138.03,132.52, 128.70,126.96,125.81, 125.54,124.49,122.36,121.24,120.81,114.25,113.66, 110.08,108.46,104.62, 56.94,56.06,55.01,45.01,33.34。
Embodiment 3
Compound II-a (3.63g, 0.1mol) is added in 250mL flasks to be dissolved in 80mL THF, it is different that phenyl is added Thiocyanates III-a (1.27g, 0.101mol), 3h is reacted in 35 DEG C, and decompression boils off tetrahydrofuran, obtains crude product.Crude product without Detach direct and N, N, N'- trimethyl ethylenediamine IV-c (1.03g, 0.101 mol), 5.6mL triethylamines and 20mL THF, in 55 For 24 hours, a large amount of bright yellow solids are precipitated, reaction uses HPLC tracing detections in DEG C reaction.10 DEG C are cooled to, filtering, with cold tetrahydrochysene furan It mutters washing, bright yellow solid, yield 95%, fusing point is obtained with ethyl alcohol recrystallization after crude product drying:166~168 DEG C.
1H NMR(400MHz,DMSO)δ:δ 10.08 (s, 1H), 9.19 (s, 1H), 8.59 (s, 1H), 8.29 (d, J= 4.9Hz, 1H), 8.15 (d, J=46.8Hz, 2H), 7.68 (s, 1H), 7.46 (d, J=7.5Hz, 2H), 7.33-7.28 (m, 3H), 7.22 (d, J=7.0Hz, 2H), 7.11 (d, J=5.4Hz, 2H), 6.75 (s, 1H), 3.90 (s, 3H), 3.79 (s, 3H),2.98(s,2H),2.73(s,3H),2.26(s,2H),2.18(s,6H).13C NMR(126 MHz,CDCl3)δ178.75, 162.21,159.69,157.48,146.24,138.74,138.03,132.52, 128.70,126.96,125.81, 125.54,124.49,122.36,121.24,120.81,114.25,113.66, 110.08,108.46,104.62,56.94, 56.06,55.01,45.01,43.45,33.34。
Embodiment 4
Compound II-a (3.63g, 0.1mol) is added in 250mL flasks to be dissolved in 80mL THF, is added to trifluoro Methylphenyl isocyanate III-b (1.88g, 0.101mol), 3h is reacted in 35 DEG C, and decompression boils off tetrahydrofuran, obtains crude product. Crude product without isolation directly and N, N, N'- trimethyl ethylenediamine IV-c (1.03 g, 0.101mol), 5.6mL triethylamines and 20mL For 24 hours in 55 DEG C of reactions a large amount of bright yellow solids are precipitated in THF, and reaction uses HPLC tracing detections.10 DEG C are cooled to, is filtered, is used Cold tetrahydrofuran washing, crocus solid, yield 90%, fusing point are obtained after crude product drying with ethyl alcohol recrystallization:182~183 DEG C.
1H NMR(500MHz,CDCl3) δ 10.82 (s, 1H), 9.05 (s, 1H), 8.87 (s, 1H), 8.26 (d, J= 5.3Hz, 1H), 8.23-8.20 (m, 1H), 7.92 (s, 1H), 7.68 (s, 1H), 7.65 (d, J=8.4Hz, 2H), 7.38 (d, J =8.3Hz, 2H), 7.29 (dd, J=5.9,3.8Hz, 3H), 7.10 (d, J=5.3Hz, 1H), 6.80 (s, 1H), 3.91 (s, 3H), 3.75 (s, 3H), 3.01 (t, J=6.0Hz, 2H), 2.78 (s, 3H), 2.31 (t, J=5.9Hz, 2H), 2.26 (s, 6H).13C NMR(126MHz,CDCl3)δ178.30,162.25,159.65, 157.32,146.40,142.31,137.93, 131.87,127.38,126.37,126.11,125.73,125.41, 125.17,123.08,122.59,121.38, 120.81,113.89,113.69,110.05,108.65,105.22, 56.66,56.01,55.38,44.70,43.56, 33.30。
Biological activity test:
For the biological activity of the compound, with H1975 (lung tumor cell) for research object, derive in AZD9291 The growing state that cell is observed under the action of object, is used in combination mtt assay to measure the proliferative conditions of tumour cell.Concrete operations are as follows:It will H1975 tumour cells are inoculated in by certain cell concentration in 96 well culture plates, and cell density is 2 × 104/ml;37 DEG C, CO2 After being stayed overnight in the incubator of concentration 5%, sieved sample is added, and (sample concentration adds 10 holes μ l/ respective concentrations with reference to table 1, dosing group Drug, control group add 10 μ l/ hole PBS), after cultivating 44h, 10 μ l/ hole MTT are added and continue to cultivate 6h, is dissolved, is shaked with DMSO, It is detected under 570nm microplate reader.
AZD9291 derivatives made from Examples 1 to 4 press down the half of H1975 cells (lung tumor cell) test experiments Concentration IC processed50, test result is as shown in table 1:
Table 1
It, can be with by experiment we have found that the AZD9291 derivatives of synthesis have the function of inhibition H1975 tumour cells This advanced optimizes to obtain the preferable molecular structure of activity for mother nucleus structure, and the AZD9291 that can reflect our designs derives Object exists in terms of antitumor cell inhibits function, has certain application prospect.

Claims (1)

1. a kind of preparation method of antitumor drug AZD9291 derivatives, it is characterised in that structural formula is such as(I)It is shown:
Its preparation route is as follows:
Structural formula is added such as in 250 mL flasks(II)Compound represented a 3.63g are dissolved in 80 mL THF, are added Structural formula is such as(III)Compound represented b 1.88g, 3h is reacted in 35 DEG C, and decompression boils off tetrahydrofuran, obtains crude product;Crude product Without isolation directly and 1.03g structural formulas such as(IV)Compound represented c, 5.6mL triethylamine and 20mL THF are anti-in 55 DEG C Should bright yellow solid be precipitated for 24 hours, reaction uses HPLC tracing detections;
10 DEG C are cooled to, filtering is washed with cold tetrahydrofuran, obtains the target of crocus solid after crude product drying with ethyl alcohol recrystallization Product, yield 90%.
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CN103702990A (en) * 2011-07-27 2014-04-02 阿斯利康(瑞典)有限公司 2-(2,4,5-substituted -anilino) pyrimidine derivatives as egfr modulators useful for treating cancer
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CN103702990A (en) * 2011-07-27 2014-04-02 阿斯利康(瑞典)有限公司 2-(2,4,5-substituted -anilino) pyrimidine derivatives as egfr modulators useful for treating cancer
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