WO2022111447A1 - 一种btk降解剂的制备方法 - Google Patents
一种btk降解剂的制备方法 Download PDFInfo
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- WO2022111447A1 WO2022111447A1 PCT/CN2021/132330 CN2021132330W WO2022111447A1 WO 2022111447 A1 WO2022111447 A1 WO 2022111447A1 CN 2021132330 W CN2021132330 W CN 2021132330W WO 2022111447 A1 WO2022111447 A1 WO 2022111447A1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Definitions
- the present invention relates to a compound represented by formula (I) and a method for preparing an intermediate thereof.
- BTK Bruton's tyrosine kinase
- BCR B cell antigen receptor
- BTK mutations cause downstream tumor cell proliferation, differentiation, and activation of signaling pathways such as angiogenesis, leading to X-linked agammaglobulinemia, non-Hodgkin lymphoma (NHL), and many B-cell malignancies, including chronic lymphoid malignancies.
- CLL Cellular leukemia
- mantle cell lymphoma mantle cell lymphoma
- diffuse large B-cell lymphoma Since it is mainly expressed in B cells and myeloid cells, BTK is a target with better targeting and safety.
- PROTAC proteolysis targeting chimera
- PROTAC proteolysis targeting chimera
- PCT/CN2020/093455 describes a BTK-Protac small-molecule anti-tumor drug (shown in the structure of compound 1 below), which is composed of a small-molecule inhibitor targeting BTK protein, an E3 ubiquitin ligase recruiting ligand and connecting two molecules. A triplet consisting of a linker of each ligand. On the one hand, it can directly inhibit BTK activity by specifically binding to BTK; on the other hand, it can induce BTK ubiquitination and degrade it through the proteasome pathway, thereby blocking the transmission of the BCR signaling pathway and inhibiting the growth and development of B-cell lymphoma cells. Proliferation, play a dual anti-tumor effect.
- the object of the present invention is to provide a kind of preparation method of compound shown in formula (I) and intermediate thereof, the reaction conditions of this method are mild, do not involve high temperature, high pressure reaction, raw material is low toxicity or non-toxic, simple to operate, less by-products , the intermediate product has high purity, and the post-processing is convenient; the whole process route has good reproducibility and is suitable for industrial production.
- the present invention relates to a preparation method of compound (II), which is prepared by the following reaction formula,
- L is selected from triflate, F, Cl, Br, I,
- HX is selected from acetic acid, hydrochloric acid, sulfuric acid, hydrobromic acid, hydroiodic acid or trifluoroacetic acid;
- n is selected from 0, 1, 1.5, 2, 3 or 4;
- the molar ratio of basic reagent to compound (IV) is ⁇ 4.90:1 , ⁇ 4.85:1 or ⁇ 4.80:1.
- the basic reagent is selected from organic amine reagents, preferably one or more of triethylamine, diethylamine or N,N-diisopropylethylamine kind.
- the basic reagent includes an organic amine reagent, preferably one or more of triethylamine, diethylamine or N,N-diisopropylethylamine .
- the solvent is selected from polar aprotic solvents, preferably acetonitrile, N,N-dimethylformamide, N,N-diethylformamide, N , one or more of N-dimethylacetamide, dimethyl sulfoxide or N-methyl-2-pyrrolidone.
- the solvent comprises a polar aprotic solvent, preferably acetonitrile, N,N-dimethylformamide, N,N-diethylformamide, N,N-diethylformamide, N , one or more of N-dimethylacetamide, dimethyl sulfoxide or N-methyl-2-pyrrolidone.
- a polar aprotic solvent preferably acetonitrile, N,N-dimethylformamide, N,N-diethylformamide, N,N-diethylformamide, N , one or more of N-dimethylacetamide, dimethyl sulfoxide or N-methyl-2-pyrrolidone.
- the solvent is selected from dimethyl sulfoxide.
- the temperature of the reaction is optionally 30°C to 120°C, 60°C to 110°C or 80°C to 100°C.
- the molar ratio of compound (III) to compound (IV) is less than or equal to 10:1, preferably 1:1 to 3:1.
- the molar ratio of basic reagent to compound (IV) is ⁇ 5:1
- the optional reaction temperature is 60 °C ⁇ 110 °C, 80 °C ⁇ 100 °C, 85 °C ⁇ 95 °C, 85 °C ⁇ 90 °C.
- the basic reagent includes N,N-diisopropylethylamine
- the molar ratio of basic reagent to compound (IV) is ⁇ 5:1
- the optional reaction temperature is 60°C ⁇ 110°C, 80°C ⁇ 100°C, 85°C ⁇ 95°C, 85°C ⁇ 90°C.
- a basic reagent is combined with compound ( The molar ratio of IV) is ⁇ 10:1 or ⁇ 6:1.
- a basic reagent is combined with compound (IV) ) molar ratio 0.8:1 ⁇ 10:1, 1:1 ⁇ 10:1, 0.8:1 ⁇ 6:1, 1:1 ⁇ 6:1.
- the post-treatment includes layering the reaction solution, adding the lower layer to water for crystallization, filtering, and filtering the filtrate after beating .
- the post-treatment includes adding the reaction solution to water for crystallization, filtering, and filtering the filtrate after beating.
- post-treatment includes crystallization or/and beating of compound (II).
- post-treatment includes compound (II) crystallization or/and beating, and the solvent used includes methanol or ethanol.
- compound (IV) is in the form of a salt, with better stability, high reaction yield, few by-products and impurities, and simple purification.
- compound (II) is reacted with HY to prepare compound (I)
- HY is selected from pharmaceutically acceptable salts, preferably fumaric acid, formic acid, acetic acid, succinic acid, hydrochloric acid, sulfuric acid, tartaric acid, p-toluic acid, methanesulfonic acid, malic acid, maleic acid, succinic acid;
- m is selected from 0.5, 1, 1.5, 2 or 3.
- the solvent used for the reaction of compound (II) with HY is selected from the group consisting of alkane solvents, halogenated alkane solvents, alcohol solvents, ketone solvents, esters One or more mixed solvents of solvent-like solvents, ether-based solvents, nitrile-based solvents and water.
- the solvent for the reaction of compound (II) with HY includes alkane solvents, halogenated alkane solvents, alcohol solvents, ketone solvents, esters One or more mixed solvents of solvent, ether solvent, nitrile solvent and water.
- the solvent for the reaction of compound (II) with HY is selected from the group consisting of dichloromethane, 1,2-dichloroethane, ethyl acetate, acetone , one or more of methanol, ethanol, ethylene glycol, polyethylene glycol, isopropanol, diethyl ether, tetrahydrofuran and water, preferably one or more of dichloromethane, methanol and water.
- the solvent for the reaction of compound (II) with HY includes dichloromethane, 1,2-dichloroethane, ethyl acetate, acetone, One or more of methanol, ethanol, ethylene glycol, polyethylene glycol, isopropanol, diethyl ether, tetrahydrofuran and water, preferably one or more of dichloromethane, methanol and water.
- the present invention also relates to a preparation method of compound (IV) or compound (VI-1), which is prepared by following reaction formula (1) or (2),
- P is selected from amino protecting groups, preferably tert-butoxycarbonyl, benzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, p-toluenesulfonyl, trifluoroacetyl, trityl, p-methoxybenzyl;
- HX is selected from acetic acid, sulfuric acid, hydrobromic acid, hydroiodic acid or trifluoroacetic acid;
- n is selected from 0, 1, 1.5, 2, 3 or 4;
- the reaction includes a solvent, and the solvent is selected from polar protic solvents, polar aprotic solvents or mixtures thereof, preferably methanol, One or more of ethanol, water, dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- solvent is selected from polar protic solvents, polar aprotic solvents or mixtures thereof, preferably methanol, One or more of ethanol, water, dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- a solvent is included in the reaction, and the solvent includes a polar protic solvent, a polar aprotic solvent or a mixture thereof, preferably methanol, One or more of ethanol, water, dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- the temperature of the reaction is optionally 0°C to 60°C, 10°C to 40°C, or 20°C to 30°C.
- the post-reaction treatment includes, after the reaction solution is concentrated (for example, concentrated under reduced pressure, concentrated under normal pressure), crystallization or/and beating of an organic solvent, filtration, filtration Cake is dry.
- the solvent is selected from polar protic solvents, polar aprotic solvents or mixtures thereof, preferably methanol, ethanol, water, dichloride One or more of methane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- the solvent includes polar protic solvents, polar aprotic solvents or mixtures thereof, preferably including methanol, ethanol, water, dichloride One or more of methane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- the temperature of the reaction is optionally 0°C to 60°C, 10°C to 40°C, or 20°C to 30°C.
- the post-reaction treatment includes, after concentration of the reaction solution under reduced pressure, crystallization or/and beating of an organic solvent, filtration, and drying of the filter cake.
- the present invention also relates to a preparation method of compound (IV) or compound (VI-1), which is prepared by the following reaction formula (3) or (4) to obtain
- P is selected from amino protecting groups, preferably tert-butoxycarbonyl, benzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, p-toluenesulfonyl, trifluoroacetyl, trityl, p-methoxybenzyl;
- HX is selected from hydrochloric acid
- n is selected from 0, 1, 1.5, 2, 3 or 4;
- the solvent is selected from polar protic solvents, preferably one or more of methanol, ethanol and water, and optionally further in the reaction A polar aprotic solvent is added, and the polar aprotic solvent is preferably one or more of dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- the solvent includes a polar protic solvent, preferably one or more of methanol, ethanol and water, optionally further in the reaction Including adding a polar aprotic solvent, the polar aprotic solvent preferably includes one or more of dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- the temperature of the reaction is optionally 0°C to 60°C, 10°C to 40°C, or 20°C to 30°C.
- the solvent is selected from polar protic solvents, preferably one or more of methanol, ethanol and water.
- polar protic solvents preferably one or more of methanol, ethanol and water.
- a polar aprotic solvent is further added, and the polar aprotic solvent is preferably one or more of dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- the solvent includes a polar protic solvent, preferably one or more of methanol, ethanol and water.
- the option further includes adding a polar aprotic solvent, the polar aprotic solvent preferably comprising one or more of dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran.
- the temperature of the reaction is optionally 0°C to 60°C, 10°C to 40°C or 20°C to 30°C.
- the present invention also relates to a preparation method of compound (V) or (VII), which is prepared by the following reaction formula
- P is selected from amino protecting groups, preferably tert-butoxycarbonyl, benzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, p-toluenesulfonyl, trifluoroacetyl, trityl, p-methoxybenzyl;
- the desiccant is selected from one or more of anhydrous sodium sulfate, anhydrous magnesium sulfate, anhydrous calcium sulfate or molecular sieves.
- the drying agent comprises one or more of anhydrous sodium sulfate, anhydrous magnesium sulfate, anhydrous calcium sulfate or molecular sieves.
- compound (VI) is reacted with 1a in the presence of an acidic reagent, a drying agent and a reducing agent to obtain compound (V).
- the reaction temperature is 0°C to 40°C, preferably the reaction temperature is 20°C to 40°C.
- compound (VI) and 1a are optionally added with a desiccant in the presence of an acidic reagent and a reducing agent, and after the reaction, post-treatment is performed to obtain compound (V) ), preferably the reaction temperature is 0°C to 40°C, more preferably the reaction temperature is 20°C to 40°C.
- Compound (VIII) and 1a are optionally added with a desiccant in the presence of an acidic reagent and a reducing agent, and after the reaction, the compound (VII) is obtained through post-treatment. 20°C ⁇ 40°C.
- the reaction includes a solvent selected from polar aprotic solvents, preferably 1,2-dichloroethane, chloroform or dichloromethane one or more of methane.
- a solvent is included in the reaction, and the solvent includes a polar aprotic solvent, preferably 1,2-dichloroethane, chloroform or dichloromethane one or more of methane.
- the acidic reagent is optionally one of hydrochloric acid, acetic acid, formic acid, propionic acid, butyric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, and trifluoroacetic acid. one or more.
- the acidic reagent includes one of hydrochloric acid, acetic acid, formic acid, propionic acid, butyric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, and trifluoroacetic acid or more.
- the reducing agent is selected from boron reducing agents, preferably sodium borohydride, sodium triacetoxyborohydride, sodium triethylborohydride, cyanoborohydride One or more of sodium, potassium borohydride or lithium borohydride.
- the reducing agent includes a boron reducing agent, preferably sodium borohydride, sodium triacetoxyborohydride, sodium triethylborohydride, sodium cyanoborohydride , one or more of potassium borohydride or lithium borohydride.
- a boron reducing agent preferably sodium borohydride, sodium triacetoxyborohydride, sodium triethylborohydride, sodium cyanoborohydride , one or more of potassium borohydride or lithium borohydride.
- the preparation method further includes post-treatment, and the post-treatment includes adjusting the pH of the reaction system to be neutral to weakly basic, extracting, and concentrating the organic phase to obtain the compound (V) or (VII).
- the post-treatment further comprises crystallization or/and beating of compound (V) or (VII) with a solvent, filtration, filter cake drying, optionally , the beating solvent is preferably methyl tert-butyl ether or diethyl ether.
- the post-treatment further comprises crystallization or/and beating of compound (V) or (VII) with a solvent, filtration, and filter cake drying, preferably a beating solvent Includes methyl tert-butyl ether or diethyl ether.
- the molar ratio of reducing agent to compound (VI) is ⁇ 5:1, preferably 2:1 to 4:1.
- the molar ratio of acidic reagent to compound (VI) is ⁇ 5:1, preferably 2:1 to 4:1.
- the molar ratio of compound 1a to compound (VI) is ⁇ 5:1, preferably 2:1 to 4:1.
- the molar ratio of reducing agent to compound (VIII) is ⁇ 5:1, preferably 2:1 to 4:1.
- the molar ratio of acidic reagent to compound (VIII) is ⁇ 5:1, preferably 2:1 to 4:1.
- the molar ratio of compound 1a to compound (VIII) is ⁇ 5:1, preferably 2:1 to 4:1.
- the preparation method of compound (VII), compound (V), compound (IV) or compound (VI-1) described in the present invention has the following advantages: mild conditions, no high temperature and high pressure reaction, low toxicity or nontoxicity of raw materials, The operation is simple, the by-products are few, the product purity is high, and the post-processing is convenient.
- the present invention relates to a kind of preparation method of compound (I), comprises the steps:
- L is selected from triflate, F, Cl, Br, I,
- HX is selected from acetic acid, hydrochloric acid, sulfuric acid, hydrobromic acid, hydroiodic acid or trifluoroacetic acid;
- n is selected from 0, 1, 1.5, 2, 3 or 4;
- HY is selected from pharmaceutically acceptable salts, preferably fumarate, formate, acetate, succinate, hydrochloride, sulfate, tartrate, p-methylbenzoate, methanesulfonic acid salt, malate, maleate, succinate;
- n is selected from 0.5, 1, 1.5, 2 or 3;
- Step (1) Compound (VI) and 1a are optionally added with a desiccant in the presence of an acidic reagent and a reducing agent, and after the reaction, after-treatment is carried out to obtain compound (V);
- Step (2) Compound (V) is reacted in the presence of acidic reagent HX to obtain compound (IV), at this time, HX is selected from acetic acid, sulfuric acid, hydrobromic acid, hydroiodic acid or trifluoroacetic acid;
- Step (3) compound (V) is reacted in the presence of hydrochloric acid and polar protic solvent to obtain compound (IV), and now HX is HCl;
- step (4) compound (IV) and compound (III) are reacted in the presence of a basic reagent to obtain compound (II);
- Step (5) Compound (I) is prepared by reacting compound (II) with HY.
- the acidic reagent in step (1) is selected from one or more of hydrochloric acid, acetic acid, formic acid, propionic acid, butyric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, trifluoroacetic acid;
- the reducing agent is selected from boron reducing agent , preferably one or more of sodium borohydride, sodium triacetoxyborohydride, sodium triethylborohydride, sodium cyanoborohydride, potassium borohydride or lithium borohydride;
- desiccant is selected from anhydrous sodium sulfate , one or more of anhydrous magnesium sulfate, anhydrous calcium sulfate or molecular sieve;
- the basic reagent in step (4) is selected from organic amine reagents, preferably one or more of triethylamine, diethylamine or N,N-diisopropylethylamine.
- the acidic reagent in step (1) includes one or more of hydrochloric acid, acetic acid, formic acid, propionic acid, butyric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, and trifluoroacetic acid;
- the reducing agent includes a boron reducing agent, preferably Including one or more of sodium borohydride, sodium triacetoxyborohydride, sodium triethylborohydride, sodium cyanoborohydride, potassium borohydride or lithium borohydride; desiccants include anhydrous sodium sulfate, One or more of hydrated magnesium sulfate, anhydrous calcium sulfate or molecular sieve;
- the alkaline reagent in step (4) includes an organic amine reagent, preferably one or more of triethylamine, diethylamine or N,N-diisopropylethylamine.
- a solvent is included, and the solvent is selected from one or more of 1,2-dichloroethane, chloroform or dichloromethane;
- a solvent is included, and the solvent is selected from polar aprotic solvents or polar protic solvents, preferably dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride, tetrahydrofuran, one or more of methanol, ethanol and water;
- the solvent in the step (3) is selected from one or more of methanol, ethanol and water, and a polar aprotic solvent is optionally added in the reaction, and the polar aprotic solvent is preferably dichloromethane, 1,2 - one or more of dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran;
- a solvent is included, and the solvent is selected from polar aprotic solvents, preferably N,N-dimethylformamide, N,N-diethylformamide, N,N-dimethylethylformamide.
- polar aprotic solvents preferably N,N-dimethylformamide, N,N-diethylformamide, N,N-dimethylethylformamide.
- a solvent is included, and the solvent is selected from dichloromethane, 1,2-dichloroethane, ethyl acetate, acetone, methanol, ethanol, ethylene glycol, polyethylene glycol, isopropanol, One or more of ether, tetrahydrofuran and water.
- a solvent is included, and the solvent includes one or more of 1,2-dichloroethane, chloroform or dichloromethane;
- a solvent is included, and the solvent is selected from polar aprotic solvents or polar protic solvents, preferably dichloromethane, 1,2-dichloroethane, chloroform, carbon tetrachloride, tetrahydrofuran, one or more of methanol, ethanol and water;
- the solvent in step (3) includes one or more of methanol, ethanol and water, and a polar aprotic solvent is optionally added in the reaction, and the polar aprotic solvent includes dichloromethane, 1,2- One or more of dichloroethane, chloroform, carbon tetrachloride or tetrahydrofuran;
- Step (4) includes a solvent, and the solvent includes a polar aprotic solvent, preferably N,N-dimethylformamide, N,N-diethylformamide, N,N-dimethylethyl One or more of amide, dimethyl sulfoxide or N-methyl-2-pyrrolidone;
- a polar aprotic solvent preferably N,N-dimethylformamide, N,N-diethylformamide, N,N-dimethylethyl
- Step (5) includes a solvent, and the solvent includes dichloromethane, 1,2-dichloroethane, ethyl acetate, acetone, methanol, ethanol, ethylene glycol, polyethylene glycol, isopropanol, diethyl ether , one or more of tetrahydrofuran and water.
- the solvent includes dichloromethane, 1,2-dichloroethane, ethyl acetate, acetone, methanol, ethanol, ethylene glycol, polyethylene glycol, isopropanol, diethyl ether , one or more of tetrahydrofuran and water.
- the reaction temperature of step (1) is 0°C ⁇ 40°C, preferably 20°C ⁇ 40°C;
- the reaction temperature of step (2) is 0°C to 40°C, preferably 20°C to 40°C;
- the reaction temperature of step (3) is 0°C to 40°C, preferably 20°C to 40°C;
- the reaction temperature of step (4) is 30°C to 120°C, preferably 60°C to 110°C, more preferably 80°C to 100°C;
- the reaction temperature in step (5) is 0°C to 40°C, preferably 10°C to 30°C.
- the present invention relates to a compound shown below,
- HX is selected from acetic acid, sulfuric acid, hydrobromic acid, hydroiodic acid or trifluoroacetic acid;
- n is selected from 1, 1.5, 2, 3 or 4.
- the compound of formula (IV) involved in the present invention has better stability and is suitable for long-term storage.
- Using this compound as an intermediate to prepare compound (II) has the advantages of high reaction yield, few by-products and impurities, and simple purification.
- the present invention relates to a method for purifying a compound represented by formula (I), which comprises mixing the compound represented by formula (I) with a compound comprising methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water. Solvents are mixed and crystallized or/and pulped,
- HY is selected from pharmaceutically acceptable salts, preferably fumaric acid, formic acid, acetic acid, succinic acid, hydrochloric acid, sulfuric acid, tartaric acid, p-toluic acid, methanesulfonic acid, malic acid, maleic acid, succinic acid;
- m is selected from 0.5, 1, 1.5, 2 or 3.
- the present invention relates to a method for purifying a compound represented by formula (I), which comprises mixing the compound represented by formula (I) with a compound selected from methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water one or more solvents in the mixture and crystallize or/and pulp.
- a compound selected from methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water one or more solvents in the mixture and crystallize or/and pulp.
- the present invention relates to a method for purifying a compound represented by formula (II), which comprises combining the compound represented by formula (II) with a compound comprising methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water Solvents are mixed and crystallized or/and pulped,
- the present invention relates to a method for purifying a compound represented by formula (II), which comprises mixing the compound represented by formula (II) with a compound selected from methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water one or more solvents in the mixture and crystallize or/and pulp.
- a compound selected from methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water one or more solvents in the mixture and crystallize or/and pulp.
- the present invention relates to a method for purifying a compound represented by formula (IV), which comprises mixing the compound represented by formula (IV) with a compound comprising methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water. Solvents are mixed and crystallized or/and pulped,
- HX is selected from hydrochloric acid, acetic acid, sulfuric acid, hydrobromic acid, hydroiodic acid or trifluoroacetic acid;
- n is selected from 0, 1, 1.5, 2, 3 or 4.
- the present invention relates to a method for purifying a compound represented by formula (IV), comprising mixing the compound represented by formula (IV) with a compound selected from methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water one or more solvents in the mixture and crystallize or/and pulp.
- a compound selected from methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tert-butyl ether, diethyl ether or water one or more solvents in the mixture and crystallize or/and pulp.
- the present invention relates to a method for purifying a compound represented by formula (V) or (VII), comprising mixing the compound represented by formula (V) or (VII) with a compound comprising methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl tertiary Solvents of butyl ether, ether or water are mixed and crystallized or/and slurried,
- P is selected from amino protecting groups, preferably tert-butoxycarbonyl, benzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, p-toluenesulfonyl, trifluoroacetyl, trityl, p-methoxybenzyl.
- the present invention relates to a method for purifying a compound represented by formula (V) or (VII), comprising mixing the compound represented by formula (V) or (VII) with a compound selected from methanol, ethanol, isopropanol, ethyl acetate, acetone, methyl alcohol
- One or more solvents of tert-butyl ether, diethyl ether or water are mixed and crystallized
- the method of extraction used in the post-treatment of the reaction in the present invention is a conventional method in the field, and the solvent for extraction can be selected according to the solubility of the product and the solubility of the organic solvent in water.
- Common extraction solvents include but are not limited to dichloromethane, chloroform, One or more mixed solvents of ethyl acetate, methyl acetate, isopropyl acetate, diethyl ether, isopropyl ether, methyl tert-butyl ether, methanol and ethanol.
- the number of extractions can be appropriately increased or decreased according to the amount of product remaining in the aqueous phase.
- the extracted organic phase is optionally further washed or/and dried as conventional in the art.
- the elements carbon, hydrogen, oxygen, sulfur, nitrogen or halogen involved in the groups and compounds of the present invention all include their isotopic conditions, and the elements carbon, hydrogen, oxygen involved in the groups and compounds of the present invention , sulfur or nitrogen are optionally further replaced by 1 to 5 their corresponding isotopes, wherein carbon isotopes include 12 C, 13 C and 14 C, and hydrogen isotopes include protium (H), deuterium (D, also known as deuterium ), tritium (T, also known as super heavy hydrogen), the isotopes of oxygen include 16 O, 17 O and 18 O, the isotopes of sulfur include 32 S, 33 S, 34 S and 36 S, and the isotopes of nitrogen include 14 N and 15 N , the isotope of fluorine is 19 F, the isotope of chlorine includes 35 Cl and 37 Cl, and the isotope of bromine includes 79 Br and 81 Br.
- carbon isotopes include 12 C, 13 C and 14 C
- Alcohol-based solvent refers to a solvent containing a hydroxyl group in the molecular structure, non-limiting examples include ethylene glycol, methanol, ethanol, n-propanol, isopropanol, n-butanol, n-pentanol, sec-pentanol, 3 - Amyl alcohol, isoamyl alcohol, p-amyl alcohol, n-hexanol and cyclohexanol etc.
- Ether solvent refers to the solvent of the ether bond in the molecular structure, non-limiting examples include tetrahydrofuran, 2-methyltetrahydrofuran, diethyl ether, 1,4-dioxane, methyl tert-butyl ether, ethylene glycol Dimethyl ether, diisopropyl ether, ethyl butyl ether, dibutyl ether, dipentyl ether, diethylene glycol dimethyl ether, triglyme and anisole, etc.
- Aromatic solvent refers to a solvent containing 0-3 heteroatoms (heteroatoms are selected from O, S or N) aromatic rings in the molecular structure, non-limiting examples include benzene, pyridine, toluene, ethylbenzene, xylene , chlorobenzene and o-dichlorobenzene, etc.
- Halogenated alkane solvents refer to alkane solvents containing halogens (fluorine, chlorine, bromine, iodine) in the molecular structure, non-limiting examples include dichloromethane, 1,2-dichloroethane, chloroform, trichloroethane alkane, carbon tetrachloride, pentachlorohexane, 1-chlorobutane and bromomethane, etc.
- alkane-based solvent refers to a solvent containing only alkanes in its molecular structure, and non-limiting examples include n-hexane, n-heptane, n-octane, n-pentane, cyclohexane, and cycloheptane.
- Ester solvent refers to a solvent containing a carboxylic acid ester in its molecular structure, non-limiting examples include ethyl acetate, isopropyl acetate, triacetin, ethyl acetoacetate, isoamyl acetate, isopropyl acetate ester, n-butyl acetate, n-propyl acetate, n-pentyl acetate, methyl acetate, sec-butyl acetate, butyl formate, propyl formate, n-pentyl formate and diethyl carbonate, etc.
- Ketone solvent refers to a solvent containing a ketone carbonyl group in its molecular structure, non-limiting examples include acetone, butanone, acetophenone, methyl isobutyl ketone, 2,6-dimethyl-2,5- Heptadien-4-one, 3,5,5-trimethyl-2-cyclohexenone and mesityl oxide, etc.
- Nirile-based solvent refers to a solvent containing a cyano group in the molecular structure, and non-limiting examples include acetonitrile, propionitrile, butyronitrile, phenylacetonitrile, and the like.
- Amide solvent refers to a solvent containing an amide in the molecular structure, non-limiting examples include N,N-dimethylformamide, N,N-dimethylacetamide, N,N-diethylacetamide , hexamethylphosphoramide and N-methylpyrrolidone, etc.
- Poly aprotic solvent refers to a solvent that does not contain hydrogen atoms directly bonded to electronegative atoms, and has no hydrogen bonding ability.
- Non-limiting examples include acetone, dimethyl sulfoxide, HMF (hydroxymethyl furfural), crown ethers, acetonitrile, N,N-dimethylformamide, N,N-diethylformamide, N,N - Dimethylacetamide, dimethyl sulfoxide or N-methyl-2-pyrrolidone, etc.
- Polar protic solvents refers to solvents that are capable of hydrogen bonding (since they contain at least one hydrogen atom directly attached to an electronegative atom (eg, an O-H or N-H bond), non-limiting examples include methanol, water, ethanol) , ammonia, acetic acid, etc.
- the reaction process is tracked by HPLC, HNMR or thin-layer chromatography to determine whether the reaction is over.
- the internal temperature represents the temperature of the reaction system.
- NMR nuclear magnetic resonance
- MS mass spectrometry
- the obtained filtrate is neutralized with 15% aqueous sodium hydroxide solution to a pH of about 11 of the aqueous phase, after liquid separation, the aqueous phase is extracted, the combined organic phase is washed with water and dried, and concentrated under reduced pressure to obtain a yellow viscous solution.
- the temperature is lowered to 15 to 25°C, the upper layer containing most of the N,N-diisopropylethylamine is removed by liquid separation, the lower layer reaction solution is poured into 2.7L water for crystallization, and 0.54Kg is used after filtration.
- the temperature is lowered to 15 to 25°C, the upper layer containing most of the N,N-diisopropylethylamine is removed by liquid separation, the lower layer reaction solution is poured into 3L water for crystallization, and then filtered with 0.5L non-isopropylamine.
- Mino human mantle cell lymphoma cell line purchased from ATCC, culture conditions: RPMI-1640+15%FBS+1% double antibody, cultured at 37°C, 5% CO 2 incubator.
- Cells were plated in 6-well plates, 5 ⁇ 10 5 cells/well. After plating, different concentrations of compounds were added and incubated for 48 hours in a 37°C, 5% CO 2 incubator. After the incubation, the cells were collected, lysed on ice for 15 minutes by adding RIPA lysis buffer (beyotime, Cat.P0013B), centrifuged at 12,000 rpm and 4°C for 10 minutes, and the supernatant protein samples were collected by BCA kit (Beyotime, Cat.P0009).
- BTK CST, Cat. 8547S
- internal reference BTK and internal reference were detected using an automatic western blot quantitative analyzer (Proteinsimple) using a kit (Protein simple, Cat. SM-W004).
- Expression of ⁇ -actin CST, Cat. 3700S
- the expression level of BTK relative to the internal reference was calculated using compass software and the DC 50 value was calculated according to formula (1) using Origen9.2 software.
- BTK administration is the expression of BTK in different dosage groups
- BTK vehicle is the expression of BTK in the vehicle control group.
- BTK% BTK administration/BTK vehicle ⁇ 100 Formula (1)
- mice Female ICR mice, 6-8 weeks old, were purchased from Beijing Weitong Lihua Laboratory Animal Technology Co., Ltd., and the experiment was started after 3 days of adaptation. After 3 consecutive days of intragastric administration of different doses of compounds, the mouse spleen was taken, spleen cells were collected, RIPA lysis buffer (beyotime, Cat. P0013B) was added, lysed on ice for 15 minutes, centrifuged at 12000 rpm for 10 minutes at 4°C, and collected.
- RIPA lysis buffer beyotime, Cat. P0013B
- the supernatant protein sample was quantified with BCA kit (Beyotime, Cat.P0009), the protein was diluted to 0.25mg/mL, and BTK (CST, Cat.8547S) was detected using an automatic western blot quantitative analyzer (Proteinsimple). And the expression of internal reference ⁇ -actin (CST, Cat.3700S).
- the expression level of BTK relative to the internal reference was calculated using compass software and the DD 50 value was calculated according to formula (2) using Origen9.2 software.
- BTK administration is the expression of BTK in different dosage groups
- BTK vehicle is the expression of BTK in the vehicle control group.
- BTK% BTK administration /BTK vehicle ⁇ 100 Formula (2)
- BTK wt (Carna, Cat. No 08-180) and BTK C481S (Carna, Cat. No 08-547) were prepared as 2.5 ⁇ kinase solutions, and the substrate FAM-P2 (GL Biochem, Cat. No. 112394) was mixed with ATP ((Sigma, Cat. No. A7699-1G) was prepared as a 2.5 ⁇ substrate solution. 5 ⁇ L of different concentrations of compounds were added to a 384-well plate, 10 ⁇ L of 2.5 ⁇ kinase solution was added, and incubated at room temperature for 10 minutes.
- Inhibition rate% (max-conversion)/(max-min)*100.
- Compound 1 has a significant inhibitory effect on BTK wt/C481S kinase.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
序号 | 化合物编号 | DC 50(nM) |
1 | 化合物1 | 10.9 |
序号 | 化合物编号 | DD 50(mg/kg) |
2 | 化合物1 | 3.8 |
序号 | 化合物编号 | BTK C481S IC 50(nM) | BTK wt IC 50(nM) |
1 | 化合物1 | 8 | 6.3 |
Claims (25)
- 根据权利要求1所述的制备方法,其中所述的碱性试剂选自有机胺试剂,优选三乙胺、二乙胺或N,N-二异丙基乙胺中的一种或多种。
- 根据权利要求1所述的制备方法,其中所述的溶剂选自极性非质子性溶剂,优选乙腈、N,N-二甲基甲酰胺、N,N-二乙基甲酰胺、N,N-二甲基乙酰胺、二甲亚砜或N-甲基-2-吡咯烷酮中的一种或多种。
- 根据权利要求1所述的制备方法,其中所述反应的温度为30℃~120℃,优选60℃~110℃,更优选80℃~100℃。
- 根据权利要求5所述的制备方法,其中化合物(II)与HY反应的溶剂选自烷烃类溶剂、卤代烷烃类溶剂、醇类溶剂、酮类溶剂、酯类溶剂、醚类溶剂、腈类溶剂和水中的一种或两种以上的混合溶剂。
- 根据权利要求5所述的制备方法,其中化合物(II)与HY反应的溶剂选自二氯甲烷、 1,2-二氯乙烷、乙酸乙酯、丙酮、甲醇、乙醇、乙二醇、聚乙二醇、异丙醇、乙醚、四氢呋喃和水中的一种或多种。
- 根据权利要求根据权利要求8所述的制备方法,反应中包括溶剂,所述的溶剂选自极性质子性溶剂、极性非质子性溶剂或其混合物,优选甲醇、乙醇、水、二氯甲烷、1,2-二氯乙烷、氯仿、四氯化碳或四氢呋喃中的一种或多种。
- 根据权利要求根据权利要求8所述的制备方法,反应的温度任选0℃~60℃,优选10℃~40℃。
- 根据权利要求11所述的制备方法,其中所述的溶剂选自极性质子性溶剂,优选甲醇、乙醇和水中的一种或多种,反应中任选进一步加入极性非质子性溶剂,所述极性非质子性溶剂优选二氯甲烷、1,2-二氯乙烷、氯仿、四氯化碳或四氢呋喃中的一种或多种;反应的温度优选0℃~60℃,更优选10℃~40℃。
- 根据权利要求13所述的制备方法,所述的干燥剂选自无水硫酸钠、无水硫酸镁、无水硫酸钙或分子筛中的一种或多种。
- 根据权利要求13所述的制备方法,反应中包含溶剂,所述的溶剂选自极性非质子性溶剂,优选1,2-二氯乙烷、氯仿或二氯甲烷中的一种或多种;所述的酸性试剂任选盐酸、乙酸、甲酸、丙酸、丁酸、硫酸、氢溴酸、氢碘酸、三氟乙酸中的一种或多种;所述的还原剂选自硼还原剂,优选硼氢化钠、三乙酰氧基硼氢化钠、三乙基硼氢化钠、 氰基硼氢化钠、硼氢化钾或硼氢化锂中的一种或多种。
- 根据权利要求13所述的制备方法,所述的后处理包括反应体系调节pH为中性至弱碱性,萃取,有机相浓缩后得到化合物(V)或(VII)。
- 根据权利要求16所述的制备方法,所述的后处理进一步包括用溶剂结晶或/和打浆,过滤,滤饼干燥,所述的溶剂优选甲基叔丁基醚或乙醚。
- 一种化合物(I)的制备方法,包括如下步骤:HX选自醋酸、盐酸、硫酸、氢溴酸、氢碘酸或三氟乙酸;n选自0、1、1.5、2、3或4;HY选自药学上可接受的盐,优选富马酸盐、甲酸盐、乙酸盐、丁二酸盐、盐酸盐、硫酸盐、酒石酸盐、对甲基苯甲酸盐、甲磺酸盐、苹果酸盐、马来酸盐、琥珀酸盐;m选自0.5、1、1.5、2或3;步骤(1)化合物(VI)与1a在酸性试剂和还原剂的存在下,任选加入干燥剂,反应后,经过后处理得到化合物(V);步骤(2)化合物(V)在酸性试剂HX存在下,反应得到化合物(IV),此时,HX选自醋酸、硫酸、氢溴酸、氢碘酸或三氟乙酸;步骤(3)化合物(V)在盐酸和极性质子性溶剂的存在下,反应得到化合物(IV),此时HX为HCl;步骤(4)化合物(IV)与化合物(III)在碱性试剂存在下,反应得到化合物(II);步骤(5)化合物(II)与HY反应制备得到化合物(I)。
- 根据权利要求18所述的制备方法,其中,步骤(1)中的酸性试剂选自盐酸、乙酸、甲酸、丙酸、丁酸、硫酸、氢溴酸、氢碘酸、 三氟乙酸中的一种或多种;还原剂选自硼还原剂,优选硼氢化钠、三乙酰氧基硼氢化钠、三乙基硼氢化钠、氰基硼氢化钠、硼氢化钾或硼氢化锂中的一种或多种;干燥剂选自无水硫酸钠、无水硫酸镁、无水硫酸钙或分子筛中的一种或多种;步骤(4)中的碱性试剂选自有机胺试剂,优选三乙胺、二乙胺或N,N-二异丙基乙胺中的一种或多种。
- 根据权利要求18所述的制备方法,其中,步骤(1)中包括溶剂,所述的溶剂选自1,2-二氯乙烷、氯仿或二氯甲烷中的一种或多种;步骤(2)中包括溶剂,所述的溶剂选自极性非质子性溶剂或极性质子性溶剂,优选二氯甲烷、1,2-二氯乙烷、氯仿、四氯化碳、四氢呋喃、甲醇、乙醇和水中的一种或多种;步骤(3)中的溶剂选自甲醇、乙醇和水中的一种或多种,反应中任选进一步加入极性非质子性溶剂,所述极性非质子性溶剂优选二氯甲烷、1,2-二氯乙烷、氯仿、四氯化碳或四氢呋喃中的一种或多种;步骤(4)中包括溶剂,所述的溶剂选自极性非质子性溶剂,优选N,N-二甲基甲酰胺、N,N-二乙基甲酰胺、N,N-二甲基乙酰胺、二甲亚砜或N-甲基-2-吡咯烷酮中的一种或多种;步骤(5)中包括溶剂,所述的溶剂选自二氯甲烷、1,2-二氯乙烷、乙酸乙酯、丙酮、甲醇、乙醇、乙二醇、聚乙二醇、异丙醇、乙醚、四氢呋喃和水中的一种或多种。
- 根据权利要求18所述的制备方法,其中,步骤(1)的反应温度为0℃~40℃,优选为20℃~40℃;步骤(2)的反应温度0℃~40℃,优选为20℃~40℃;步骤(3)的反应温度0℃~40℃,优选为20℃~40℃;步骤(4)的反应温度30℃~120℃,优选60℃~110℃,更优选80℃~100℃;步骤(5)的反应温度0℃~40℃,优选为10℃~30℃。
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CN102656173A (zh) * | 2009-10-12 | 2012-09-05 | 药品循环公司 | 布鲁顿酪氨酸激酶抑制剂 |
WO2017134685A2 (en) * | 2016-02-02 | 2017-08-10 | Sun Pharma Advanced Research Company Limited | Novel hydrazino compounds as btk inhibitors |
WO2020239103A1 (zh) * | 2019-05-31 | 2020-12-03 | 四川海思科制药有限公司 | 一种btk抑制剂环衍生物及其制备方法和药学上的应用 |
CN112812100A (zh) * | 2019-11-18 | 2021-05-18 | 四川海思科制药有限公司 | 一种具有降解btk激酶的化合物及其制备方法和药学上的应用 |
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CN102656173A (zh) * | 2009-10-12 | 2012-09-05 | 药品循环公司 | 布鲁顿酪氨酸激酶抑制剂 |
WO2017134685A2 (en) * | 2016-02-02 | 2017-08-10 | Sun Pharma Advanced Research Company Limited | Novel hydrazino compounds as btk inhibitors |
WO2020239103A1 (zh) * | 2019-05-31 | 2020-12-03 | 四川海思科制药有限公司 | 一种btk抑制剂环衍生物及其制备方法和药学上的应用 |
CN112812100A (zh) * | 2019-11-18 | 2021-05-18 | 四川海思科制药有限公司 | 一种具有降解btk激酶的化合物及其制备方法和药学上的应用 |
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