WO2023151674A1 - 作为kras g12c突变抑制剂的喹唑啉衍生物 - Google Patents

作为kras g12c突变抑制剂的喹唑啉衍生物 Download PDF

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WO2023151674A1
WO2023151674A1 PCT/CN2023/075571 CN2023075571W WO2023151674A1 WO 2023151674 A1 WO2023151674 A1 WO 2023151674A1 CN 2023075571 W CN2023075571 W CN 2023075571W WO 2023151674 A1 WO2023151674 A1 WO 2023151674A1
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alkyl
quinazolin
ethynyl
fluoro
methoxy
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PCT/CN2023/075571
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English (en)
French (fr)
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张朝春
杨铉
高凯
朱程刚
包丽茗
陈超乐
闵祥燕
王倩文
汪春牛
徐良亮
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深圳福沃药业有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/517Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • 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
    • C07D403/14Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic 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
    • C07D487/04Ortho-condensed systems

Definitions

  • the invention provides a class of quinazoline derivatives as KRAS G12C mutation inhibitors and a preparation method thereof.
  • the KRAS G12C small molecule inhibitors can be used to treat diseases caused by KRAS G12C mutations.
  • Kirsten rat sarcoma virus oncogene homolog (Kristen rat sarcoma viral oncogene homolog, KRAS) is a membrane-bound protein located on the inner side of the cell membrane, and its function is similar to the molecular switch of GTPase. ) and guanosine triphosphate (GTP), through the KRAS protein to regulate the internal signaling pathway of the cell.
  • GTP guanosine triphosphate
  • KRAS Due to the structural characteristics of the KRAS protein, its surface lacks suitable drug targets. Therefore, KRAS has long been regarded as an undruggable target, and related drug research progress is slow.
  • mutations in KRAS protein mutations in KRAS G12C are widely prevalent in human cancers. Small molecule drugs specifically targeting KRAS G12C are in urgent need of development and have promising prospects.
  • KRAS G12C mutation inhibitory activity Compounds known in the prior art to have KRAS G12C mutation inhibitory activity include AMG510 and MRTX849, the structures of which are shown below, but these compounds cannot achieve the desired KRAS G12C mutation inhibitory activity.
  • KRAS G12C patients receiving MRTX849 treatment will successively develop resistance mutations such as Y96C, R68S, H95Q, Q99L, etc. It is not a small difficulty, and the existing technology has never developed an inhibitor that can suppress drug-resistant mutations.
  • the KRAS G12C mutation inhibitors in the prior art also have the problem of poor metabolic stability. Therefore, there is an urgent need in this field to develop compounds that can more efficiently inhibit the KRAS G12C mutation, prevent drug-resistant mutations, and improve metabolic stability.
  • the present invention provides a compound of formula (II) or a pharmaceutically acceptable salt or stereoisomer thereof:
  • Ring A is selected from substituted or unsubstituted, saturated or unsaturated C 4-14 N-containing cyclic, spiro or bridged ring compounds, and contains at least one heteroatom from O, S or N;
  • R 1 , R 2 and R 3 are each independently selected from the group consisting of: hydrogen, deuterium, cyano, amino, hydroxyl, halogen (eg -F, -Cl or -Br), nitro, alkyl, alkenyl, alkynyl, Alkoxy, C 1-3 haloalkyl, C 1-3 haloalkoxy (for example -OCF 3 ), deuterated alkyl, wherein the amino, alkyl, alkenyl, alkynyl, alkoxy, Haloalkyl, haloalkoxy, deuterated alkyl, optionally can be further substituted;
  • halogen eg -F, -Cl or -Br
  • nitro alkyl
  • deuterated alkyl wherein the amino, alky
  • R is selected from hydrogen, halogen, C 1-6 alkyl, C 2-6 alkynyl, C 1-6 alkyl substituted by carboxy, C 1-6 alkyl substituted by amino, C 1-6 alkane substituted by hydroxy C 1-6 haloalkyl, cycloalkyl, C 1-4 alkylene-C 2-6 heterocycloalkyl, C 2-6 heterocycloalkyl, aryl, heteroaryl, C 1-3 C 1-4 alkyl substituted by alkylamino, C 1-8 alkoxy substituted by C 1-3 alkylamino;
  • R is selected from halogen or haloalkyl
  • R 6 is selected from C 6-10 aryl (preferably naphthyl), C 5-9 heteroaryl, C 6-10 aryl-C 1-6 alkylene, C 5-10 heteroaryl-C 1- 6 Alkylene, wherein the alkyl, aryl, heteroaryl or heterocyclic group is optionally selected from one or more independently selected from halogen, cyano, amino, hydroxyl, nitro, C 1-6 alkane C 1-6 alkoxy, C 1-6 alkylamino, C 2-4 alkynyl , C 2-4 alkenyl, C 1-4 alkyl cyano, C 3-6 cycloalkyl, two -C 1-6 alkylamino, C 1-6 haloalkyl, aminoacyl, C 1-6 alkylaminoacyl or di-C 1-6 alkylaminoacyl substituents;
  • n are each independently 0, 1, 2 or 3;
  • R 11 is selected from C 1-3 alkyl, C 1-3 alkoxy, C 1-3 haloalkyl, and hydroxyl.
  • L is selected from -O(CH 2 ) n -, -S(CH 2 ) n -, -NH(CH 2 ) n -; preferably, L is selected from -OCH 2 -, -NHCH 2 -; more preferably, L is -OCH 2 -.
  • Ring A is an optionally substituted 3-14 membered heterocyclic group, wherein preferably, the heterocyclic ring contains only two nitrogen atoms as ring atoms;
  • R is selected from: C 1-6 alkyl (e.g.
  • R a is selected from the group consisting of: hydrogen, halogen, hydroxyl, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, C 1-6 alkyl substituted by hydroxy, C 1-6 alkyl substituted by carboxy, C 1-6 alkyl substituted by amino, C 1-6 substituted by cyano 6 alkyl, C 1-6 alkyl substituted by nitro, C 1-6 alkoxy; more preferably, R a is C 1-6 alkyl substituted by cyano, especially -CH 2 CN.
  • Ring A is selected from:
  • Ring A is:
  • R 1 , R 2 and R 3 are each independently selected from hydrogen and halogen (preferably fluorine, chlorine, more preferably fluorine).
  • R 1 is hydrogen
  • R 2 is selected from hydrogen, fluorine, chlorine
  • R 3 is fluorine.
  • R is selected from H, halogen, C 1-6 alkyl, C 2-6 alkynyl, C 1-4 alkyl substituted by carboxy, C 1-6 alkyl substituted by amino, hydroxyl Substituted C 1-6 alkyl, C 1-6 haloalkyl, C 1-6 cycloalkyl, C 1-4 alkylene-C 2-6 heterocycloalkyl, C 2-6 heterocycloalkyl, Aryl, heteroaryl, C 1-4 alkyl substituted by C 1-3 alkylamino, C 1-8 alkoxy substituted by C 11-3 alkylamino.
  • R 4 is selected from the following groups: H,
  • R4 is H.
  • R5 is halo, preferably fluoro.
  • R 6 is optionally substituted C 6-10 aryl or C 5-10 membered heteroaryl.
  • R 6 when R 6 is substituted, its substituent is selected from: C 1-6 hydrocarbon group (such as saturated C 1-6 hydrocarbon group, such as C 1-6 alkyl, such as methyl, ethyl; or unsaturated C 2- 6 hydrocarbyl, such as C 2-6 alkenyl or C 2-6 alkynyl, such as ethynyl or vinyl, etc.), C 3-6 cycloalkyl (such as cyclopropyl), C 1-6 alkoxy (such as methoxy or ethoxy), -NH 2 , -OH, halogen (eg -F, -Cl, -Br, -I), C 1-6 haloalkyl (eg -CF 3 ), -CN.
  • C 1-6 hydrocarbon group such as saturated C 1-6 hydrocarbon group, such as C 1-6 alkyl, such as methyl, ethy
  • R is selected from the following groups:
  • R is naphthyl substituted by a group selected from: halogen (especially fluorine, chlorine), cyano, hydroxyl, amino, C alkynyl (especially ethynyl) . More preferably, R is selected from the following groups:
  • R 7 , R 8 , R 9 , and R 10 are H, halogen, C 1-6 alkyl, C 2-6 alkynyl, carboxyl substituted C 1-4 alkyl, amino substituted C 1-6 alkyl, C 1-6 alkyl substituted by hydroxy, C 1-6 haloalkyl, cycloalkyl, -C 1-4 alkylene-C 2-6 heterocycloalkyl, C 2-6 Heterocycloalkyl, aryl, heteroaryl, C 1-4 alkyl substituted by C 1-3 alkylamino.
  • R 7 is hydrogen or halogen (preferably fluorine), and R 8 , R 9 , R 10 are hydrogen.
  • the first atom attached (i.e. the atom in L to which the moiety is attached) is a carbon atom, and the moiety and the carbon atom together form a group selected from:
  • the moiety together with the carbon atom constitutes pyrrolizinylmethyl optionally substituted with halogen, preferably fluorine. Further preferably, the moiety together with the carbon atom constitutes a group selected from the group consisting of:
  • R2 has the definition given above, preferably hydrogen, fluorine, chlorine;
  • R7 has the definition given above, preferably hydrogen or fluorine.
  • R 12 to R 18 are each independently selected from hydrogen, halogen (especially fluorine, chlorine), cyano, hydroxyl, amino, C 1-6 alkyl (especially methyl, ethyl), C 2-6 alkynyl (especially ethynyl).
  • R 2 , R 12 to R 18 have the definitions given above.
  • R in the compounds of the present invention is 1 -naphthyl, and the 8-position R 12 of the naphthyl is ethynyl (while optionally 3-position R 14 is a hydroxyl group), or the 8-position R 12 of the naphthyl group is chlorine, preferably when the 3-position R 14 is a hydroxyl group at the same time, while ensuring excellent KRAS G12C mutation inhibitory activity and metabolic stability, significantly Inhibiting resistance mutations. If it does not have the above-mentioned specific substituents, or if the substitution position is not consistent with the above-mentioned, it may not be able to achieve excellent inhibitory effect on drug-resistant mutations.
  • R 1 , R 3 -R 5 , R 8 -R 10 , A, L, R a , m in the compound of general formula (II-C) are limited to specific groups Or value, obtain the compound of formula (II-C1); R in the compound of formula (II-C1) is further defined as hydroxyl, obtain the compound of formula (II-C2):
  • R 13 to R 18 are each independently selected from hydrogen, halogen (especially fluorine, chlorine), cyano, hydroxyl, amino, C 1-6 alkyl (especially ethyl), C 2-6 alkynyl ( In particular ethynyl), preferably hydrogen, fluorine, chlorine, cyano, methyl, ethyl, hydroxyl, amino; R7 is preferably hydrogen or fluorine, and the other groups also have the definitions given above.
  • the compounds of formula (II-C1) and formula (II-C2) further have better KRAS G12C mutation inhibitory activity, drug resistance mutation inhibitory effect and/or metabolic stability.
  • R 1 , R 3 -R 5 , R 8 -R 10 , R 14 , A, L, R a , m in the compound of general formula (II-D0) are limited to specific The group or value, obtain the compound of formula (II-D1) and formula (II-D2):
  • R 13 and R 15 to R 18 are each independently selected from hydrogen, halogen (especially fluorine, chlorine), cyano, hydroxyl, amino, C 1-6 alkyl (especially is ethyl), C 2-6 alkynyl (especially ethynyl), preferably hydrogen, fluorine, chlorine, cyano, methyl, ethyl, hydroxyl, amino; R 7 is preferably hydrogen or fluorine, R 14 is preferably hydroxyl,
  • the other radicals also have the definitions given above.
  • the compounds of the formula (II-D1) and formula (II-D2) further have better KRAS G12C mutation inhibitory activity, drug resistance mutation inhibitory effect and/or metabolic stability.
  • the compound according to formula (II) may be selected from the compounds of Examples 1-29 described below, more preferably Examples 1-4, 7-8, 10-16, 18-24 compound of.
  • the present invention provides a pharmaceutical composition
  • a pharmaceutical composition comprising a compound of formula (II) as described above or a pharmaceutically acceptable salt or stereoisomer thereof, and a pharmaceutically acceptable diluent or carrier .
  • the present invention also provides the use of the above compound or a pharmaceutically acceptable salt or stereoisomer thereof in the preparation of KRAS G12C mutation inhibitor.
  • the term “pharmaceutically acceptable salt” refers to a compound prepared in situ during the final isolation and purification of the above compound, or purified in the form of a free acid or a free base, respectively, together with an appropriate acid or base Compounds produced by the reaction.
  • aryl alone or in combination with another radical means a carbocyclic aromatic monocyclic group containing 6-10 carbon atoms which can be further combined with One or more saturated 5- or 6-membered carbocyclic groups are fused.
  • heteroaryl refers to an aromatic monocyclic, bicyclic or tricyclic ring system which may contain 1-4 heteroatoms selected from N, O and S.
  • heterocyclyl may be in the form of fused, bridged or spiro rings.
  • Heterocyclyl may be optionally substituted with one or more substituents.
  • heterocyclyl refers to a saturated or unsaturated monocyclic, bicyclic or tricyclic ring system, wherein at least one ring is non-aromatic, which may contain 1-4 heteroatoms selected from N, O and S.
  • heterocyclyl may be in the form of fused, bridged or spiro rings.
  • Heterocyclyl may be optionally substituted with one or more substituents.
  • halo or halogen includes fluorine (F), chlorine (Cl), bromine (Br) or iodine (I).
  • composition exists in a form such as a racemate.
  • the disease includes but not limited to a disease involving KRAS G12C mutation (such as cancer, such as lung cancer), the method includes The above-mentioned compound or a pharmaceutically acceptable salt or stereoisomer thereof is administered to a subject in need.
  • a disease involving KRAS G12C mutation such as cancer, such as lung cancer
  • the metabolic stability mentioned in this specification includes the metabolic stability in liver microsomes.
  • the drug-resistant mutations described in this specification include Y96C, R68S, H95Q, Q99L and other drug-resistant mutations.
  • the compounds of the present invention can be prepared by using commercially available reagents through the synthetic methods and reactions shown in the following diagrams, or by using other reagents and conventional methods well known to those skilled in the art.
  • the compounds of the present invention can be prepared by a variety of methods, including standard chemical methods. Illustrative general synthetic methods are listed below, and compounds of formula (II) can be prepared by methods known in the art of organic synthesis. When referring to the methods of the examples described below, it should be understood that some substituents can be replaced by groups well known in the art to obtain similar derivatives without departing from the spirit of the present invention. Protecting groups for sensitive or reactive groups are used, if necessary, according to general principles or chemically. Protecting groups are manipulated according to standard methods of organic synthesis (T.W. Greene and P.G.M. Wuts, Protective Groups in Organic Synthesis, Third Edition, Wiley, New York 1999). These groups are removed at convenient stages of compound synthesis using methods well known to those skilled in the art. The selection method as well as the reaction conditions and its treatment sequence should be consistent with the preparation of the compound of formula (II).
  • the present invention includes possible stereoisomers and includes both racemates and individual enantiomers.
  • the desired compound is a single enantiomer, it may be obtained by stereospecific synthesis or by resolution of the final product or any convenient intermediate. Resolution of final products, intermediates or starting materials can be achieved by any suitable method known in the art. See, eg, "Stereochemistry of Organic Compounds" by E.L. Eliel, S.H. Wilen and L.N. Mander (Wiley-interscience, 1994).
  • the compound of formula (II) of the present invention includes but not limited to the compounds described in Examples 1-29, wherein the compounds described in Example 1 and Examples 3-29 can also be prepared by referring to the synthetic route of Example 2.
  • Step 1 Synthesis of ((8-bromonaphthalene-1-yl)ethynyl)triisopropylsilane
  • Step 2 Synthesis of triisopropyl ((8-pinacol borate-2-yl) naphthalene-1-yl) ethynyl) silane
  • Step 3 Synthesis of triisopropyl((8-potassium trifluoroborate-2-yl)naphthalene-1-yl)ethynyl)silane
  • triisopropyl((8-pinacol borate-2-yl)naphthalene-1-yl)ethynyl)silane (1.50g, 3.45mmol)
  • potassium hydrogen fluoride (1.35g, 17.2mmol )
  • TLC monitored the end of the reaction.
  • the reaction solution was filtered to obtain a filter cake, which was pulled dry to obtain triisopropyl((8-potassium trifluoroborate-2-yl)naphthalene-1-yl)ethynyl)silane (1.50 g, crude product) as a white solid.
  • Step 2 Synthesis of 8-((triisopropylsilyl)ethynyl)naphthalene-1,3-diol
  • Step 3 Synthesis of 3-(methoxymethoxy)-8-((triisopropylsilyl)ethynyl)naphthalene-1-ol
  • Step 4 Synthesis of 3-(methoxymethoxy)-8-((triisopropylsilyl)ethynyl)naphthalene-1-trifluoromethanesulfonate
  • trifluoromethanesulfonic anhydride (4.11 g, 14.6 mmol) was added dropwise to 3-(methoxymethoxy)-8-((triisopropylsilyl)ethynyl)naphthalene-1- Phenol (3.50 g, 9.10 mmol) and diisopropylethylamine (4.70 g, 36.4 mmol) in dichloromethane (30.0 mL). Stirring was continued at this temperature for 0.5 hour, and the reaction was monitored by TLC to complete.
  • Step 5 Triisopropyl ((6-(methoxymethoxy)-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl )naphthalene-1-yl)ethynyl)silane synthesis
  • N-(5-aminonaphthalen-1-yl)acetamide (60.5g, 302mmol) in 400mL hydrochloric acid (12M) and 500mL acetonitrile, stir at 0°C for 2 hours and slowly add sodium nitrite (25.1g, 363mmol), continued stirring at 0°C for 2 hours, then slowly added cuprous chloride (45.0g, 454mmol), and reacted at 25°C for 12 hours.
  • TLC detects that the reaction is complete, adding 1M hydrochloric acid to the reaction solution to quench, then adjusting the pH to 7-8 with 20% sodium hydroxide solution, extracting with ethyl acetate, washing the organic phase with water, drying and concentrating, and separating by column chromatography to obtain 4-bromo -5-Chloronaphthyl-2-ol (6.48 g, yield 25.3%).
  • Step 8 Synthesis of 2-(8-chloro-3-(methoxymethoxy)naphthalene-1-yl)pinacol borate
  • Step 9 Synthesis of (8-chloro-3-(methoxymethoxy)naphthalene-1-yl)potassium trifluoroborate
  • Step 3 Synthesis of tert-butyl (S)-4-(7-bromo-2-chloro-8-fluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • reaction solution was quenched with water at -60°C, extracted with dichloromethane, washed with saturated brine, dried over sodium sulfate, filtered and concentrated by column chromatography to obtain yellow solid tert-butyl (S)-4-(7-bromo-2-chloro-6 , 8-difluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (2.30 g, yield 13.1%).
  • Step 7 tert-butyl (S)-4-(7-bromo-2,6,8-trifluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate synthesis
  • reaction solution was quenched with water, extracted with dichloromethane, washed with saturated brine, dried over sodium sulfate, filtered and concentrated by column chromatography to obtain yellow solid tert-butyl (S)-4-(7-bromo-2,6,8-trifluoroquine Azolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (1.01 g, 38.6% yield).
  • Example 1 2-((S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-8-fluoro-2-((2R,7aS)-2-fluorotetrahydro -1H-pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 1)
  • Step 4 tert-butyl (S)-4-(2-chloro-8-fluoro-7-(3-((methoxymethoxy)-8-((triisopropylsilyl)ethynyl) Synthesis of Naphthalene-1-yl)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • LCMS monitors the end of the reaction, and the reaction solution is concentrated and purified by a flash silica gel column to obtain tert-butyl (S)-4-(2-chloro-8-fluoro-7-(3-((methoxymethoxy)-8-( (Triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (1.40g, yield 55.6%) .
  • Step 5 tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-2-((2R,7aS)-2-fluoro-tetrahydrofuran-1H-pyrrolizine-7a(5H )-yl)methoxy)-7-(3-(methoxymethyl)oxy)-8-(triisopropylsilyl)ethynyl)naphthalene-1-yl)quinazoline-4- Synthesis of base) piperazine-1-carboxylate
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-3-(methoxymethoxy)naphthalene-1-yl)-8-fluoro -Synthesis of 2-(2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was stirred at 60° C. for 1 hour.
  • LCMS monitors the end of the reaction, and the reaction solution is extracted with ethyl acetate, washed with brine, and The organic phase was concentrated and passed through a flash silica gel column to obtain tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-3-(methoxymethoxy)naphthalene-1-yl )-8-fluoro-2-(2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1- Formic acid ester (240mg, yield 72.7%).
  • Step 7 2-((S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-8-fluoro-2-((2R,7aS)-2-fluorotetrahydro- Synthesis of 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Solution A At 0°C, add tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-3-(methoxymethoxy)naphthalene-1-yl )-8-fluoro-2-(2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1- Carboxylate (240mg, 325umol) was dissolved in dioxane hydrochloride (4.00M, 5.85mL) and stirred for one hour. After the reaction solution was concentrated, N,N-dimethylformamide (2.00mL) and N,N-diisopropylethylamine (126mg, 975umol) were added.
  • Solution B Dissolve 2-fluoroacrylic acid (32.2mg, 357umol) in dichloromethane (1.00mL) and N,N-dimethylformamide (0.1mL) at 0°C, add oxalyl chloride (53.6mg, 422umol ) and react at this temperature for 10 minutes. Solution B was added to solution A at 0°C and stirred for 20 minutes. LCMS monitored the completion of the reaction.
  • reaction solution was filtered and purified by prep-HPLC to obtain 2-((S)-4-(7-(8-ethynyl-3-hydroxynaphthalene-1-yl)-8-fluoro-2-((2R,7aS) -2-Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (16.0 mg, yield 7.24%).
  • Step 5 tert-butyl (S)-4-(7-(8-chloro-3-(methoxymethyloxy)naphthalene-1-yl)-2,8-difluoroquinazoline-4- Synthesis of -2-(cyanomethyl)piperazine-1-carboxylate
  • Step 6 tert-butyl (S)-4-(7-(8-chloro-3-(methoxymethyloxy)naphthalene-1-yl)-8-fluoro-2-(((2R,7aS )-2-fluorotetrahydro-1H-pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate synthesis
  • Step 7 2-((S)-4-(7-(8-chloro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-(((2R,7aS)-2-fluorotetrahydro- Synthesis of 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 8 2-((S)-4-(7-(8-chloro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-(((2R,7aS)-2-fluorotetrahydro- Synthesis of 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-7-(7-fluoro-3-(methoxymethoxy)-8-(triisopropyl Silyl)ethynyl)naphthalen-1-yl)-2-(2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazoline-4 Synthesis of -yl)piperazine-1-carboxylate
  • Step 7 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoro-3-(methoxymethoxy)naphthalene-1-yl) -8-fluoro-2-(2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxy Synthesis of esters
  • reaction solution was stirred at 60° C. for 1 hour.
  • LCMS monitors the end of the reaction, and the reaction solution is poured into ice water, extracted with ethyl acetate, washed with brine, and the organic phase is concentrated to obtain tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl -7-fluoro-3-(methoxymethoxy)naphthalen-1-yl)-8-fluoro-2-(2R,7aS)-2-fluorotetrahydro-1H-pyrrolizine-7a(5H) -yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate (400 mg, crude).
  • Step 8 2-((S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-((2R,7aS)-2- Synthesis of Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 9 2-((S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-((2R,7aS)-2- Synthesis of Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Step 8 tert-butyl (2S)-4-(7-(8-chloronaphthalen-1-yl)-2,6,8-trifluoroquinazolin-4-yl)-2-(cyanomethyl) Synthesis of piperazine-1-carboxylate
  • Step 9 tert-butyl(2S)-4-(7-(8-chloronaphthalen-1-yl)-6,8-difluoro-2-(tetrahydro-1H-pyrrolizine-7a(5H)- Synthesis of (yl)methoxy)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • reaction solution was quenched with water at 0°C, extracted with ethyl acetate, washed with saturated brine, dried over sodium sulfate, Purified by filtration and concentration column chromatography to obtain tert-butyl (2S)-4-(7-(8-chloronaphthalen-1-yl)-6,8-difluoro-2-(tetrahydro-1H-pyrrolizine-7a (5H)-yl)methoxy)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (380 mg, yield 57.9%).
  • Step 10 2-((2S)-4-(7-(8-chloronaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a(5H) Synthesis of -yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step eleven 2-((2S)-4-(7-(8-chloronaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a(5H )-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 7 2-((2S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolene Azin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 7)
  • Step 8 tert-butyl (2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(3-(methoxymethyloxy)-8-((three Synthesis of isopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 9 tert-butyl (2S)-2-(cyanomethyl)-4-(6,8-difluoro-7-(3-(methoxymethyloxy)-8-((triisopropyl Silyl)ethynyl-)naphthalen-1-yl)-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1 -Synthesis of formate
  • Step 10 tert-butyl(2S)-2-(cyanomethyl)-4-(7-(8-ethynyl 3-(methoxymethyloxy)naphthalene-1-yl)-6,8- Synthesis of Difluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was quenched with water, extracted with ethyl acetate, washed with saturated brine, dried over sodium sulfate, filtered and concentrated by column chromatography to obtain yellow solid tert-butyl(2S)-2-(cyanomethyl)-4-(7-(8- Ethynyl 3-(methoxymethyloxy)naphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy )quinazolin-4-yl)piperazine-1-carboxylate (200 mg, yield 60.5%).
  • Step eleven 2-((2S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolene Synthesis of oxazin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 12 2-((2S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-6,8-difluoro 2-((tetrahydro-1H-pyrrolizine Synthesis of -7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 8 2-((2S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((2R,7aS)-2- Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 8 )
  • Step 9 tert-butyl(2S)-2-(cyanomethyl)-4-(6,8-difluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizine- 7a(5H)-yl)methoxy)-7-(3-(methoxymethyloxy)-8-((triisopropylsilyl)ethynyl)naphthalene-1-yl)quinazoline- Synthesis of 4-yl)piperazine-1-carboxylate
  • reaction solution was quenched with water at 0°C, extracted with ethyl acetate, washed with saturated brine, dried over sodium sulfate, filtered and concentrated by column chromatography to obtain a yellow solid tert-butyl(2S)-2-(cyanomethyl)-4-(6, 8-difluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)-7-(3-(methoxymethyl Oxy)-8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate (480 mg, 90.4% yield).
  • Step 10 tert-butyl(2S)-2-(cyanomethyl)-4-(7-(8-ethynyl-3-(methoxymethyloxy)naphthalene-1-yl)-6,8 -Difluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1- Synthesis of formate
  • Step 11 2-((2S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-(((2R,7aS)-2 Synthesis of -fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 12 2-((2S)-4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-(((2R,7aS)-2 Synthesis of -Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Step 5 tert-butyl (S)-4-(7-(8-chloronaphthalen-1-yl)-2,8-difluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine -Synthesis of 1-formic acid ester
  • LCMS monitors the end of the reaction, the reaction solution is diluted with ethyl acetate, washed with brine, the organic phase is concentrated under reduced pressure and purified by a flash silica gel column to obtain tert-butyl (S)-4-(7-(8-chloronaphthalen-1-yl) -2,8-Difluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (420 mg, 764 umol, 89.4% yield).
  • Step 6 tert-butyl (S)-4-(7-(8-chloronaphthalen-1-yl)-8-fluoro-2-(((tetrahydro-1H-pyrrolizin-7a(5H)-yl )Methyl)amino)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate synthesis
  • Step 7 (S)-2-(4-(7-(8-chloronaphthalen-1-yl)-8-fluoro-2-(((tetrahydro-1H-pyrrolizin-7a(5H)-yl ) methyl) amino) quinazoline-4-yl) piperazin-2-yl) acetonitrile synthesis
  • Step 8 (S)-2-(4-(7-(8-chloronaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl) Synthesis of methyl)amino)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 10 2-((2S)-4-(6-chloro-7-(8-ethynyl-7-fluoro-3-hydroxynaphthalene-1-yl)-8-fluoro-2-((2R, 7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-ylmethoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl) Acetonitrile (compound 10)
  • Step 5 tert-butyl (S)-2-(cyanomethyl)-4-(2,8-difluoro-7-(8-((triisopropylsilyl)ethynyl)naphthalene-1-yl ) quinazoline-4-yl)piperazine-1-carboxylate synthesis
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)- Synthesis of 7-(8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate
  • LCMS monitors the end of the reaction, the reaction solution is quenched with saturated ammonium chloride aqueous solution, extracted with ethyl acetate, washed with brine, the organic phase is concentrated and purified by a flash silica gel column to obtain tert-butyl (S)-2-(cyanomethyl)-4 -(8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)-7-(8-((triisopropylsilyl)ethynyl)naphthalene- 1-yl)quinazolin-4-yl)piperazine-1-carboxylate (310mg, 379umol, 88.0% yield).
  • Step 7 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolene Synthesis of oxazin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was diluted with water, extracted with ethyl acetate, washed with brine, dried, and the organic phase was concentrated and purified by a flash silica gel column tert-Butyl(S)-2-(cyanomethyl)-4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizine- 7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate (220 mg, 288 umol, 90.4% yield).
  • Step 8 (S)-2-(4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl )methoxy)quinazolin-4-yl)piperazin-2-yl)synthesis of acetonitrile
  • Step 9 (S)-2-(4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl )methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)synthesis of acetonitrile
  • LCMS monitors the end of the reaction, the reaction solution is concentrated and purified by a flash silica gel column to obtain tert-butyl (S)-2-(cyanomethyl)-4-(2,8-difluoro-7-(7- Fluoro-3-(methoxymethyloxy)-8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate (1.05g, 1.36mmol, 42.4% yield).
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-7-(7-fluoro-3-(methoxymethyloxy)-8-((triiso Propylsilyl)ethynyl)naphthalen-1-yl)-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine- Synthesis of 1-Formate
  • Step 7 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoro-3-(methoxymethyloxy)naphthalen-1-yl) Synthesis of -8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 8 (S)-2-(4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolene Synthesis of oxazin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 9 (S)-2-(4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolene Synthesis of oxazin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Step 4 tert-butyl (S)-4-(2-chloro-8-fluoro-7-(3-(methoxymethyl)oxy)-8-((triisopropylsilyl)-acetylene Synthesis of yl)naphthalen-1-yl)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • LCMS monitors the end of the reaction, the reaction solution is concentrated and purified by a flash silica gel column to obtain tert-butyl (S)-4-(2-chloro-8-fluoro-7-(3-(methoxymethyl)oxy Base)-8-((triisopropylsilyl)-ethynyl)naphthalene-1-yl)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate ( 1.40 g, yield 55.6%).
  • Step 5 tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-7-(3-(methoxymethoxy)-8-(triisopropylsilyl)acetylene Base) naphthalene-1-yl)-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate synthesis
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-3-(methoxymethoxy)naphthalene-1-yl)-8-fluoro- Synthesis of 2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 7 (S)-2-(4-(7-(8-ethynyl-3-hydroxynaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizine-7a( Synthesis of 5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Solution A At 0°C, add tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-3-(methoxymethoxy)naphthalene-1-yl) -8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate (200mg, 277umol) Dissolve in dioxane hydrochloride (4.00M, 5.00 mL) and stir for one hour. After the reaction solution was concentrated, N,N-dimethylformamide (2.00mL) and N,N-diisopropylethylamine (107mg, 832umol, 144uL) were added.
  • Solution B Dissolve 2-fluoroacrylic acid (30.0mg, 332umol) in dichloromethane (1.00mL) and N,N-dimethylformamide (0.1mL) at 0°C, add oxalyl chloride (52.8mg, 416umol ) and react at this temperature for 20 minutes, and then react at 0°C for 10 minutes.
  • Solution B was added to solution A at 0°C and stirred for 20 minutes. LCMS monitored the completion of the reaction.
  • reaction solution was filtered and purified by prep-HPLC to obtain (S)-2-(4-(7-(8-ethynyl-3-hydroxynaphthalene-1-yl)-8-fluoro-2-((tetrahydro-1H -pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (16mg, yield 8.71%) .
  • Step 4 tert-butyl (S)-4-(2-chloro-8-fluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalene-1-yl)quinazole Synthesis of Lin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • reaction solution was reacted at 80° C. for 2 hours under a nitrogen atmosphere. Put ten reactions in parallel, LCMS and TLC monitor the end of the reaction, the reaction solution is concentrated under reduced pressure and purified by a flash silica gel column to obtain tert-butyl (S)-4-(2-chloro-8-fluoro-7-(7-fluoro-8 -((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (1.12g, 1.53mmol, 74.3% yield).
  • Step 5 tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalene-1- Synthesis of yl)-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-((tetrahydro- Synthesis of 1H-pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was extracted with ethyl acetate, washed with brine, dried, and the combined organic phases were concentrated under reduced pressure and purified by a flash silica gel column to obtain tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl) -7-fluoronaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine- 1-Carboxylate (240mg, 354umol, 98.4% yield).
  • Step 7 (S)-2-(4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizine-7a( Synthesis of 5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 8 (S)-2-(4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizine-7a( Synthesis of 5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • reaction solution was stirred at 0°C for 0.5 hours.
  • LCMS monitored the completion of the reaction.
  • the reaction solution was concentrated under reduced pressure and purified by prep-HPLC to obtain (S)-2-(4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-((tetrahydro- 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (100mg, 152umol, 44.1% yield, 99.2% purity).
  • Example 15 2-((S)-4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-((2R,7aS)-2-fluorotetrahydro-1H-pyrrole Lizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 15)
  • Step 4 tert-butyl (S)-4-(2-chloro-8-fluoro-7-(8-((triisopropylsilyl)ethynyl)naphthalene-1-yl)quinazoline-4- Synthesis of -2-(cyanomethyl)piperazine-1-carboxylate
  • Step five tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizine-7a(5H Synthesis of )-yl)methoxy)-7-(8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-(((2R,7aS)-2 Synthesis of -fluorotetrahydro-1H-pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 7 2-((S)-4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrole Synthesis of Rizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 8 2-((S)-4-(7-(8-ethynylnaphthalen-1-yl)-8-fluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrole Synthesis of Rizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Oxalyl chloride (372mg, 2.94mmol) was added dropwise to 2-fluoroacryloyl-2-acid (264mg, 2.94mmol) in dichloromethane (2.00mL) at 0°C, followed by N,N-dimethyl Formamide (214ug, 2.94umol) was raised to 20°C and stirred for 1 hour.
  • Example 16 2-((S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-((2R,7aS)-2-fluorotetrahydro -1H-pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 16)
  • Step 4 tert-butyl (S)-4-(2-chloro-8-fluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalene-1-yl)quinazole Synthesis of Lin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • reaction solution was reacted at 80°C for 2 hours under a nitrogen atmosphere, ten times in parallel, and the reaction was monitored by LCMS and TLC.
  • the reaction solution was concentrated under reduced pressure and purified by a fast silica gel column to obtain tert-butyl (S)-4-(2-chloro -8-fluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalene-1-yl)quinazolin-4-yl)-2-(cyanomethyl)piperazine -1-Formic acid ester (1.12 g, 1.53 mmol, 74.3% yield).
  • Step 5 tert-butyl (S)-2-(cyanomethyl)-4-(8-fluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalene-1- Base)-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-methyl Synthesis of esters
  • reaction solution was reacted at 40° C. for 2 hours.
  • LCMS and TLC monitored the completion of the reaction.
  • the reaction solution was quenched with saturated ammonium chloride aqueous solution at 0°C, extracted with ethyl acetate, and the organic phase was concentrated under reduced pressure and purified by a flash silica gel column to obtain tert-butyl (S)-2-(cyanomethyl)-4-( 8-fluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)-2-(((2R,7aS)-2-fluorotetrahydro-1H- Pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate (320 mg, 375 umol, 68.5% yield).
  • Step 6 tert-butyl (S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-(((2R, Synthesis of 7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 7 2-((S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-(((2R,7aS)-2-fluorotetrahydro Synthesis of -1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 8 2-((S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-8-fluoro-2-((2R,7aS)-2-fluorotetrahydro- Synthesis of 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Step 5 tert-butyl (S)-4-(7-(8-chloronaphthalen-1-yl)-2,8-difluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine -Synthesis of 1-formic acid ester
  • LCMS monitors the end of the reaction, the reaction solution is diluted with ethyl acetate, washed with brine, the organic phase is concentrated under reduced pressure and purified by a flash silica gel column to obtain tert-butyl (S)-4-(7-(8-chloronaphthalen-1-yl) -2,8-Difluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (420 mg, 764 umol, 89.4% yield).
  • Step 6 tert-butyl (S)-4-(7-(8-chloronaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl) Synthesis of methoxy)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • Step 7 (S)-2-(4-(7-(8-chloronaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl) Synthesis of Methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 8 (S)-2-(4-(7-(8-chloronaphthalen-1-yl)-8-fluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl) Synthesis of methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 18 2-((2S)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a( 5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 18)
  • Step 8 tert-butyl(2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(8-((triisopropylsilyl)ethynyl)naphthalene-1 Synthesis of -yl)quinazolin-4-yl)piperazine-1-carboxylate
  • tert-butyl (S)-4-(7-bromo-2,6,8-trifluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (100mg, 205umol), triisopropyl((8-potassium trifluoroborate-2-yl)naphthalene-1-yl)ethynyl)silane (200mg, 482umol), methanesulfonyloxy (diadamantyl- n-Butylphosphino)-2-amino-1,1-biphenyl-2-yl)palladium (II) (29.9mg, 41.1umol), potassium carbonate (100mg, 723umol) dissolved in dioxane (2.5mL ) and water (0.25mL) were reacted at 85°C for 2 hours.
  • Step 9 tert-butyl(2S)-2-(cyanomethyl)-4-(6,8-difluoro-2-(tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy Synthesis of )-7-(8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate
  • Step 10 tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H Synthesis of -pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • Step eleven 2-((2S)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a( Synthesis of 5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step twelve 2-((2S)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a( Synthesis of 5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Step 8 tert-butyl (2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl) )naphthalene-1-yl)quinazolin-4-yl)piperazine-1-carboxylate synthesis
  • reaction solution was concentrated and purified by flash silica gel column tert-butyl(2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(7-fluoro-8-((triisopropyl Silyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate (230 mg, 253 umol, 56.0% yield, 80.7% purity).
  • Step 9 tert-butyl(2S)-2-(cyanomethyl)-4-(6,8-difluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalene Synthesis of -1-yl)-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was quenched with water at 0°C, extracted with ethyl acetate, washed with saturated brine, dried over sodium sulfate, filtered and concentrated by column chromatography to obtain tert-butyl(2S)-2-(cyanomethyl)-4-(6,8 -Difluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)-2-((tetrahydro-1H-pyrrolizine-7a(5H)- yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate (250mg, 250.85umol, 51.0% yield).
  • Step 10 tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-6,8-difluoro-2-(( Synthesis of tetrahydro-1H-pyrrolidine-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was diluted with water, extracted with ethyl acetate, washed with brine, the organic phase was concentrated and purified by a flash silica gel column to obtain tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7 -Fluoronaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine -1-Formic acid ester (200mg, 253umol, 86.4% yield).
  • Step 11 2-((2S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolene Synthesis of oxazin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 12 2-((2S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolene Synthesis of oxazin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 20 2-((2S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro- 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 20)
  • Step 8 tert-butyl(2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(7-fluoro-3-(methoxymethoxy)-8- Synthesis of ((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was reacted at 80° C. for 3 hours.
  • LCMS monitored the completion of the reaction.
  • the reaction solution was concentrated and purified by flash silica gel column. yl)-8-((triisopropylsilyl)ethynyl)naphthalen-1-yl)quinazolin-4-yl)piperazine-1-carboxylate (1.10g, 1.39mmol, 67.5% yield ).
  • Step 9 tert-butyl (2S)-2-(cyanomethyl)-4-(6,8-difluoro-7-(7-fluoro-3-(methoxymethoxy)-8-(tri Isopropylsilyl)ethynyl)naphthalen-1-yl)-2-(tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine- Synthesis of 1-Formate
  • reaction solution was quenched with water at 0°C, extracted with ethyl acetate, washed with saturated brine, dried over sodium sulfate, filtered and concentrated by column chromatography to obtain tert-butyl(2S)-2-(cyanomethyl)-4-(6,8 -Difluoro-7-(7-fluoro-3-(methoxymethoxy)-8-(triisopropylsilyl)ethynyl)naphthalene-1-yl)-2-(tetrahydro-1H- Pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate (380mg, 416umol, 65.9% yield).
  • Step 10 tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoro-3-(methoxymethoxy)naphthalene-1-yl)- Synthesis of 6,8-difluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was reacted at 60° C. for 1 hour.
  • LCMS monitored the completion of the reaction.
  • the reaction solution was diluted with water, extracted with ethyl acetate, washed with brine, the organic phase was concentrated and purified by a flash silica gel column to obtain tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7 -Fluoro-3-(methoxymethoxy)naphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy )quinazolin-4-yl)piperazine-1-carboxylate (360mg, 330umol, 79.3% yield).
  • Step eleven 2-((2S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro- Synthesis of 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step twelve 2-((2S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro- Synthesis of 1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 21 2-((2S)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((2R,7aS)-2-fluorotetrahydro- 1H-pyrrolizin-7a(5H)-ylmethoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 21)
  • Step 8 tert-butyl(2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(8-((triisopropylsilyl)ethynyl)naphthalene-1 Synthesis of -yl)quinazolin-4-yl)piperazine-1-carboxylate
  • tert-butyl (S)-4-(7-bromo-2,6,8-trifluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylic acid Ester 100mg, 205umol
  • potassium (8-((triisopropylsilyl)ethynyl)naphthalene-1-yl)fluoroborate 136mg, 329umol
  • methanesulfonyloxy diadamantyl-n-butyl Phosphino
  • 2'-amino-1,1'-biphenyl-2-yl)palladium(II) 29.9mg, 41.1umol
  • potassium carbonate 100mg, 723umol
  • Step 9 tert-butyl(2S)-2-(cyanomethyl)-4-(6,8-difluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizine- 7a(5H)-yl)methoxy)-7-(8-((triisopropylsilyl)ethynyl)naphthalene-1-yl)quinazolin-4-yl)piperazine-1-carboxylic acid Synthesis of esters
  • tert-butyl(2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(8-((triisopropylsilyl)ethynyl)naphthalene) was added at 20°C -1-yl)quinazolin-4-yl)piperazine-1-carboxylate (300mg, 420umol) and reacted for 30 minutes.
  • LCMS detected that the reaction was complete. Add water to quench at 0°C, extract with ethyl acetate, wash with saturated brine, dry and concentrate.
  • Step 10 tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-(((2R,7aS Synthesis of )-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was extracted with water and ethyl acetate, the organic phase was washed with saturated brine, dried and concentrated, and purified by column chromatography to obtain tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynyl Naphthalene-1-yl)-6,8-difluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazoline -4-yl)piperazine-1-carboxylate (240 mg, yield 97.9%).
  • Step 11 2-((2S)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-(((2R,7aS)-2-fluorotetrahydro Synthesis of -1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step 12 2-((2S)-4-(7-(8-ethynylnaphthalen-1-yl)-6,8-difluoro-2-(((2R,7aS)-2-fluorotetrahydro Synthesis of -1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 22 2-((2S)-4-(7-(8-chloro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine -7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 22)
  • Step 8 tert-butyl(2S)-4-(7-(8-chloro-3-(methoxymethoxy)naphthalen-1-yl)-2,6,8-trifluoroquinazoline-4 Synthesis of -yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • tert-Butyl (S)-4-(7-bromo-2,6,8-trifluoroquinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate (700mg, 1.44mmol), (8-chloro-3-(methoxymethoxy)-1-naphthalene)-potassium fluoroborate (700mg, 2.13mmol), cesium fluoride (99.9mg, 658umol) and 1,1-di (tert-butylphosphonium)ferrocenepalladium chloride (187mg, 287umol) was dissolved in water (20.0mL) and N,N-dimethylformamide (50.0mL) and ventilated, and finally reacted at 100°C under nitrogen protection 15 minutes.
  • Step 9 tert-butyl (2S)-4-(7-(8-chloro-3-(methoxymethoxy)naphthalene-1-yl)-6,8-difluoro-2-((tetrahydro Synthesis of -1H-pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate
  • Step 10 2-((2S)-4-(7-(8-chloro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine- Synthesis of 7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Solution A At 0°C, tert-butyl(2S)-4-(7-(8-chloro-3-(methoxymethoxy)naphthalen-1-yl)-6,8-difluoro-2 -((tetrahydro-1H-pyrrolizine-7a(5H)-yl)methoxy)quinazolin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylic acid (100mg, 133umol) Dissolve in dioxane hydrochloride (4.00M, 9.98mL) and stir for one hour. After the reaction solution was concentrated, N,N-dimethylformamide (2.00mL) and N,N-diisopropylethylamine (51.7mg, 400umol) were added.
  • Solution B Dissolve 2-fluoroacrylic acid (14.4mg, 160umol) in dichloromethane (1.00mL) and N,N-dimethylformamide at 0°C, add oxalyl chloride (25.4mg, 200umol) and The reaction was carried out at low temperature for 20 minutes, and then at 0°C for 30 minutes. Solution B was added to solution A at 0°C and stirred for 20 minutes. LCMS monitored the completion of the reaction.
  • reaction solution was filtered and purified by prep-HPLC and SFC to obtain 2-((2S)-4-(7-(8-chloro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-(( Tetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile.
  • SFC chiral resolution of the product by SFC, two peaks 22A and 22B of the target compound were obtained.
  • Compounds 22A and 22B are axial chiral isomers of each other.
  • Example 23 2-((2S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-6,8-difluoro-2-((2R,7aS)-2- Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 23 )
  • Step 8 tert-butyl (2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl) ) Synthesis of naphthalene-1-yl)-quinazolin-4-yl)piperazine-1-carboxylate
  • reaction solution was reacted at 80° C. for 3 hours.
  • LCMS monitored the completion of the reaction.
  • the reaction solution was concentrated, and the crude product was chromatographed to obtain yellow solid tert-butyl (2S)-2-(cyanomethyl)-4-(2,6,8-trifluoro-7-(7-fluoro-8-((tri Isopropylsilyl)ethynyl)naphthalen-1-yl)-quinazolin-4-yl)piperazine-1-carboxylate (350 mg, 58.1% yield).
  • Step 9 tert-butyl(2S)-2-(cyanomethyl)-4-(6,8-difluoro-7-(7-fluoro-8-((triisopropylsilyl)ethynyl)naphthalene -1-yl)-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine- Synthesis of 1-Formate
  • Step ten tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-6,8-difluoro-2-(( Synthesis of (2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-ylmethoxy)quinazolin-4-yl)piperazine-1-carboxylate
  • Step eleven 2-((2S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-6,8-difluoro-2-(((2R,7aS)-2 Synthesis of -fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step twelve 2-((2S)-4-(7-(8-ethynyl-7-fluoronaphthalen-1-yl)-6,8-difluoro-2-(((2R,7aS)-2 Synthesis of -Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile
  • Example 24 2-((2S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-((2R,7aS )-2-fluorotetrahydro-1H-pyrrolizine-7a(5H)-methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile ( Compound 24)
  • Step 9 tert-butyl (2S)-2-(cyanomethyl)-4-(6,8-difluoro-7-(7-fluoro-3-(methoxymethoxy)-8-(( Triisopropylsilyl)ethynyl)naphthalen-1-yl)-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy) Synthesis of quinazolin-4-yl)piperazine-1-carboxylate
  • Step 10 tert-butyl (2S)-2-(cyanomethyl)-4-(7-(8-ethynyl-7-fluoro-3-(methoxymethoxy)naphthalene-1-yl)- 6,8-Difluoro-2-(((2R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazine -Synthesis of 1-formic acid ester
  • Step eleven 2-((2S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-(((2R, Synthesis of 7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)piperazin-2-yl)acetonitrile
  • Step twelve 2-((2S)-4-(7-(8-ethynyl-7-fluoro-3-hydroxynaphthalen-1-yl)-6,8-difluoro-2-(((2R, 7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl ) Synthesis of acetonitrile
  • Example 25 2-((2S)-4-(7-(7-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a( 5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 25)
  • Example 26 2-((2S)-4-(7-(3-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a( 5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 26)
  • Example 27 2-((2S)-4-(7-(5-ethynylnaphthalen-1-yl)-6,8-difluoro-2-((tetrahydro-1H-pyrrolizine-7a( 5H)-yl)methoxy)quinazolin-4-yl)-1-(2-fluoroacryloyl)piperazin-2-yl)acetonitrile (compound 27)
  • Human lung cancer cell line NCI-H358 (ATCC, CRL-5807) is a KRAS G12C mutant cell line. NCI-H358 cells were cultured in RPMI 1640 medium containing 10% fetal bovine serum and grown at 37 °C in a humidified incubator with 5% CO2 .
  • Detection of the number of viable cells in culture was performed following the protocol described in Promega's Cell Titer-Glo Luminescent cell Viability Assay (Promega catalog #G7570).
  • 90 ⁇ L of cells (8,000 cells/well) were cultured in growth medium in Corning black clear-bottom 96-well plates and incubated overnight at 37°C in a 5% CO 2 humidified incubator.
  • Serially diluted compounds in 100% DMSO were added to the cells using a pipette and the cells were incubated for an additional 72 hours.
  • Human lung cancer cell line NCI-H23 (ATCC, CRL-5800) is a KRAS G12C mutant cell line. NCI-H23 cells were cultured in RPMI 1640 medium containing 10% fetal bovine serum and placed in a humidified incubator with 5% CO2 at 37 °C.
  • Detection of the number of viable cells in culture was performed following the protocol described in Promega's Cell Titer-Glo Luminescent cell Viability Assay (Promega catalog #G7570). Dispense 90 ⁇ L cells (8,000 cells/well) Cultures were grown in growth medium in Corning black transparent-bottom 96-well plates and incubated overnight at 37°C in a 5% CO 2 humidified incubator. Serially diluted compounds in 100% DMSO were added to the cells using a pipette and the cells were incubated for an additional 72 hours. Add 100 ⁇ L of the mixed Cell Titer-Glo reagent to the cells in the 96-well culture plate to lyse the cells and mix gently.
  • the engineering cell line Ba/F3 (KRAS-G12C-Y96C) was developed by the inventor according to Warmuth M et al., Curr Opin Oncol.2007 Jan; 19(1):55-60; Tanaka N et al., Cancer Discov.2021 Aug; 11( 8): the cell line constructed by the method recorded in 1913-1922.
  • the engineered cell lines were cultured in RPMI 1640 medium containing 10% fetal bovine serum and 2mM glutamine. Cells were grown at 37°C in a humidified incubator with 5% CO2.
  • Detection of the number of viable cells in culture was performed following the protocol described in Promega's Cell Titer-Glo Luminescent cell Viability Assay (Promega catalog #G7570).
  • 90 ⁇ L of cells 3,000 cells/well
  • Serially diluted compounds in 100% DMSO were added to the cells using a pipette and the cells were incubated for an additional 72 hours.
  • the engineering cell line Ba/F3 (KRAS-G12C-H95Q) was developed by the inventor according to Warmuth M et al., Curr Opin Oncol.2007 Jan; 19(1):55-60; Tanaka N et al., Cancer Discov.2021 Aug; 11( 8): Construction of the method described in 1913-1922 cell line.
  • the engineered cell lines were cultured in RPMI 1640 medium containing 10% fetal bovine serum and 2mM glutamine. Cells were grown at 37°C in a humidified incubator with 5% CO2.
  • Detection of the number of viable cells in culture was performed following the protocol described in Promega's Cell Titer-Glo Luminescent cell Viability Assay (Promega catalog #G7570).
  • 90 ⁇ L of cells 3,000 cells/well
  • Serially diluted compounds in 100% DMSO were added to the cells using a pipette and the cells were incubated for an additional 72 hours.
  • the engineering cell line Ba/F3 (KRAS-G12C-R68S) was developed by the inventor according to Warmuth M et al., Curr Opin Oncol.2007 Jan; 19(1):55-60; Tanaka N et al., Cancer Discov.2021 Aug; 11( 8): the cell line constructed by the method recorded in 1913-1922.
  • the engineered cell lines were cultured in RPMI 1640 medium containing 10% fetal bovine serum and 2mM glutamine. Cells were grown at 37°C in a humidified incubator with 5% CO2.
  • Detection of the number of viable cells in culture was performed following the protocol described in Promega's Cell Titer-Glo Luminescent cell Viability Assay (Promega catalog #G7570).
  • 90 ⁇ L of cells 3,000 cells/well
  • Serially diluted compounds in 100% DMSO were added to the cells using a pipette and the cells were incubated for an additional 72 hours.
  • the engineering cell line Ba/F3 (KRAS-G12C-Q99L) was developed by the inventor according to Warmuth M et al., Curr Opin Oncol.2007 Jan; 19(1):55-60; Tanaka N et al., Cancer Discov.2021 Aug; 11( 8): the cell line constructed by the method recorded in 1913-1922.
  • the engineered cell lines were cultured in RPMI 1640 medium containing 10% fetal bovine serum and 2mM glutamine. Cells were grown at 37°C in a humidified incubator with 5% CO2.
  • Detection of the number of viable cells in culture was performed following the protocol described in Promega's Cell Titer-Glo Luminescent cell Viability Assay (Promega catalog #G7570).
  • 90 ⁇ L of cells 3,000 cells/well
  • Serially diluted compounds in 100% DMSO were added to the cells using a pipette and the cells were incubated for an additional 72 hours.
  • T0, T5, T15, T30, T45, T60 and NCF60 plates add 2 ⁇ L of the compound to be tested or reference substance working solution and 100 ⁇ L of human liver microsome working solution (Corning, 452117), the microsomal protein concentration is 1 mg/mL) .
  • T0 plate samples were first added with 600 ⁇ L of stop solution (acetonitrile:methanol (95:5, v/v) solution containing 100 ng/mL tolbutamide (Sigma, T0891)), and then NADPH regeneration system working solution was added.
  • stop solution acetonitrile:methanol (95:5, v/v) solution containing 100 ng/mL tolbutamide (Sigma, T0891)

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Abstract

提供了式(II)的喹唑啉衍生物及其制备方法,其为KRAS G12C突变抑制剂。所述的KRAS G12C突变抑制剂能够更高效地抑制KRAS G12C突变,防止耐药突变,并且具有良好的代谢稳定性。

Description

作为KRAS G12C突变抑制剂的喹唑啉衍生物 技术领域
本发明提供了一类作为KRAS G12C突变抑制剂的喹唑啉衍生物及其制备方法,该KRAS G12C小分子抑制剂可用于治疗KRAS G12C突变所引起的疾病。
背景技术
Kirsten大鼠肉瘤病毒癌基因同源物(Kristen rat sarcoma viral oncogene homolog,KRAS)是一种定位于细胞膜内侧的膜结合蛋白,其作用类似于GTP酶的分子开关,通过调节二磷酸鸟苷(GDP)与三磷酸鸟苷(GTP)的相互转化,透过KRAS蛋白来调控细胞内部信号通路。当KRAS发生突变导致编码蛋白异常时,突变蛋白将激活下游相关的信号通路,使得细胞出现增殖、分化、存活等过度活化,进而导致肿瘤的发生和扩散。
KRAS蛋白由于结构上的特性,其表面缺少合适的药物作用靶点,因而长久以来,KRAS一直被视为不可成药靶点,相关的药物研究进展缓慢。在KRAS蛋白的众多突变中,KRAS G12C的突变在人类癌症中广泛流行。特异性针对KRAS G12C的小分子药物亟需开发而且前景广阔。
现有技术中已知具有KRAS G12C突变抑制活性的化合物有AMG510和MRTX849,其结构如下所示,但这些化合物并不能达到理想的KRAS G12C突变抑制活性。与此同时,从目前进行中的临床实验中发现,接受MRTX849治疗的KRAS G12C患者会相继出现Y96C、R68S、H95Q、Q99L等耐药突变,这为研发针对KRAS G12C耐药有效的新型抑制剂增加了不小的难度,现有技术也从未研发出能够抑制耐药突变的抑制剂。此外,现有技术中的KRAS G12C突变抑制剂还存在代谢稳定性差的问题。因此,本领域迫切需要开发能够更高效地抑制KRAS G12C突变、防止耐药突变、提高代谢稳定性的化合物。
发明内容
一方面,本发明提供了式(II)的化合物或其药学上可接受的盐或立体异构体:
其中
L选自键、氧、硫、-NH-、-(CH2)n-、-O(CH2)n-、-S(CH2)n-、-NH(CH2)n-、-(CH2)nNH-、-(CH2)nO-、-(CH2)nS-、-(CH2)nC(=O)-、-C(=O)O(CH2)n-、-OC(=O)(CH2)n-、-C(=O)(CH2)n-、-C(=O)NH(CH2)n-、-NHC(=O)(CH2)n-;优选为-OCH2-、-NHCH2-或-NHC(=O)-;
环A选自取代的或未被取代的,饱和或者非饱和的C4-14含N环状,螺环或者桥环化合物,且至少另含有一个来自O,S或者N的杂原子;
R1、R2和R3分别独立地选自:氢、氘、氰基、氨基、羟基、卤素(例如-F、-Cl或-Br)、硝基、烷基、烯基、炔基、烷氧基、C1-3卤代烷基、C1-3卤代烷氧基(例如-OCF3)、氘代烷基、其中,所述的氨基、烷基、烯基、炔基、烷氧基、卤代烷基、卤代烷氧基、氘代烷基、任选的可进一步被取代;
R4选自氢、卤素、C1-6烷基、C2-6炔基、羧基取代的C1-6烷基、氨基取代的C1-6烷基、羟基取代的C1-6烷基、C1-6卤代烷基、环烷基、C1-4亚烷基-C2-6杂环烷基、C2-6杂环烷基、芳基、杂芳基、C1-3烷基胺基取代的C1-4烷基、C1-3烷基胺基取代的C1-8烷氧基;
R5选自卤素或卤代烷基;
R6选自C6-10芳基(优选萘基)、C5-9杂芳基、C6-10芳基-C1-6亚烷基、C5-10杂芳基-C1-6亚烷基,其中所述烷基、芳基、杂芳基或杂环基任选地被一个或多个独立地选自卤素、氰基、氨基、羟基、硝基、C1-6烷基、C1-6烷氧基、C1-6烷基氨基、C2-4炔基、C2-4烯基、C1-4烷基氰基、C3-6环烷基、二-C1-6烷基氨基、C1-6卤代烷基、氨基酰基、C1-6烷基氨基酰基或二-C1-6烷基氨基酰基的取代基所取代;
R7、R8、R9、R10分别选自氢、-NH2、-OH、-C(=O)、-CN、-NO2、卤素、-COOH、C1-12烷基、C2-6烯基、C2-6炔基、C1-12卤代烷基、C3-12环烷基、C3-14杂环烷基、C6-10芳基、C5-9杂芳基、-(CH2)nOC(=O)-C6-10芳基、-(CH2)nOC(=O)-C5-9杂芳基、-(CH2)nOC(=O)-C3-14杂环烷基、-(CH2)nOC(=O)N(R11)2、-N(R11)2、-NHC(=NH)NH2、-NR11C(=O)-C6-10芳基、-NR11C(=O)-C5-9杂芳基、-NR11C(=O)-C3-14杂环烷基、-C(=O)N(R11)2、-(CH2)nNHC(=O)-C6-10芳基、-(CH2)nNHC(=O)-C5-9杂芳基、-(CH2)nNHC(=O)-C3-14杂环烷基,所述烷基、氨基、芳基、杂芳基、环烷基或杂环基任选地被一个或多个独立地选自C1-6烷基、C1-6烷氧基、C1-6卤代烷基、C1-6杂环烷基、-NH2、-OH、-C(=O)、-CN、-NO2、卤素、-COOH的取代基所取代;
m、n各自独立地为0,1,2或3;
R11选自C1-3烷基、C1-3烷氧基、C1-3卤代烷基、羟基。
在一个具体的方案中,L选自-O(CH2)n-、-S(CH2)n-、-NH(CH2)n-;优选地,L选自-OCH2-、-NHCH2-;更优选地,L为-OCH2-。
在一个具体的方案中,环A为任选取代的3-14元杂环基,其中优选地,杂环中仅含有两个氮原子作为环原子;Ra选自:C1-6烷基(例如甲基或乙基)、C2-6烯基、C2-6炔基、卤素、-C(=O)H、-CN、-NH2、-COOH、-OH、C1-6烷基氨基、C1-6氰基烷基、C1-6羧基烷基、C1-6羟 基烷基、C1-6硝基烷基、C1-6氨基烷基、C1-6卤代烷基、C1-6烷氧基、二-C1-6烷基氨基;m为0、1或2。
在一个优选的方案中,当环A未被取代(即m=0)时,其选自以下基团:
在一些实施方案中,当环A被取代基Ra取代(即m不为0)时,Ra选自:氢、卤素、羟基、C1-6烷基、C2-6烯基、C2-6炔基、C1-6卤代烷基、羟基取代的C1-6烷基、羧基取代的C1-6烷基、氨基取代的C1-6烷基、氰基取代的C1-6烷基、硝基取代的C1-6烷基、C1-6烷氧基;更优选地,Ra为氰基取代的C1-6烷基,特别优选为-CH2CN。
因此,当有Ra基团取代时,环A选自:
特别优选地,环A为:
在一个具体的方案中,R1、R2和R3分别独立地选自:氢和卤素(优选氟、氯,更优选氟)。在一个优选的方案中,R1为氢,R2选自氢、氟、氯,R3为氟。
在一个具体的方案中,R4选自H、卤素、C1-6烷基、C2-6炔基、羧基取代的C1-4烷基、氨基取代的C1-6烷基、羟基取代的C1-6烷基、C1-6卤代烷基、C1-6环烷基、C1-4亚烷基-C2-6杂环烷基、C2-6杂环烷基、芳基、杂芳基、C1-3烷基胺基取代的C1-4烷基、C11-3烷基胺基取代的C1- 8烷氧基。
在一个优选的方案中,R4选自以下基团:H、
更优选地,R4为H。
在一个具体的方案中,R5为卤素,优选为氟。
在一个具体的方案中,R6为任选取代的C6-10芳基或C5-10元杂芳基。在R6被取代的情况下,其取代基选自:C1-6烃基(例如饱和C1-6烃基,如C1-6烷基,例如甲基、乙基;或不饱和C2-6烃基,如C2-6烯基或C2-6炔基,如乙炔基或乙烯基等)、C3-6环烷基(例如环丙基)、C1-6烷氧基(例如甲氧基或乙氧基)、-NH2、-OH、卤素(例如-F、-Cl、-Br、-I)、C1-6卤代烷基(例如-CF3)、-CN。
在一个优选的方案中,R6选自以下基团:


在一个优选的方案中,R6为被选自以下的基团取代的萘基:卤素(特别是氟、氯)、氰基、羟基、氨基、C2-6炔基(特别是乙炔基)。更优选地,R6选自以下基团:
在一个具体的方案中,R7、R8、R9、R10为H、卤素、C1-6烷基、C2-6炔基、羧基取代的C1-4烷基、氨基取代的C1-6烷基、羟基取代的C1-6烷基、C1-6卤代烷基、环烷基、-C1-4亚烷基-C2-6杂环烷基、C2-6杂环烷基、芳基、杂芳基、C1-3烷基胺基取代的C1-4烷基。
在一个优选的方案中,R7为氢或卤素(优选氟),R8、R9、R10为氢。
在一个另外的具体的方案中,式(II)中的
部分中所连接的第一个原子(即L中与该部分连接的原子)为碳原子,且该部分与该碳原子共同构成选自以下的基团:
更优选地,该部分与该碳原子共同构成为任选被卤素(优选氟)取代的吡咯里嗪基甲基。进一步优选地,该部分与该碳原子共同构成选自以下的基团:
具体实施方案
在本发明的一个优选的方面中,提供了式(II-A0)或式(II-A)的化合物或其药学上可接受的盐或立体异构体:
其中,R2具有上文中所给出的定义,优选为氢、氟、氯;R7具有上文中所给出的定义,优选为氢或氟。R12至R18各自独立地选自氢、卤素(特别是氟、氯)、氰基、羟基、氨基、C1-6烷基(特别是甲基,乙基)、C2-6炔基(特别是乙炔基)。
在本发明的一个优选的方面中,提供了式(II-B0)或式(II-B)的化合物或其药学上可接受的盐或立体异构体:
其中,R2、R12至R18具有上文中所给出的定义。
另外,本发明的发明人出乎意料地发现,当本发明的化合物中R6为1-萘基,且该萘基的8-位R12为乙炔基(同时任选地3-位R14为羟基),或者该萘基的8-位R12为氯、优选地同时3-位R14为羟基时,能够在确保优良的KRAS G12C突变抑制活性以及代谢稳定性的同时,显 著抑制耐药突变。若不具有前述的特定取代基、或者取代位置与前述不一致,则可能无法达到优良的耐药突变抑制作用。
因此,在本发明的一个优选技术方面中,提供了式(II-C)的化合物或其药学上可接受的盐或立体异构体:
在该方面的一个优选技术方案中,使通式(II-C)化合物中的R1、R3-R5、R8-R10、A、L、Ra、m限定为特定的基团或值,获得式(II-C1)的化合物;将式(II-C1)的化合物中的R14进一步定义为羟基,获得式(II-C2)的化合物:
其中,R13至R18各自独立地选自氢、卤素(特别是氟、氯)、氰基、羟基、氨基、C1-6烷基(特别是乙基)、C2-6炔基(特别是乙炔基),优选氢、氟、氯、氰基、甲基、乙基、羟基、氨基;R7优选氢或氟,其它各基团也具有上文中所给出的定义。
所述式(II-C1)、式(II-C2)的化合物进一步具有更优的KRAS G12C突变抑制活性、耐药突变抑制作用和/或代谢稳定性。
在本发明的另一个优选技术方面中,提供了式(II-D)、式(II-D0)的化合物或其药学上可接受的盐或立体异构体:
在该方面的一个优选技术方案中,使通式(II-D0)化合物中的R1、R3-R5、R8-R10、R14、A、L、Ra、m限定为特定的基团或值,获得式(II-D1)和式(II-D2)的化合物:
其中,在前述基团定义的基础上,R13和R15至R18各自独立地选自氢、卤素(特别是氟、氯)、氰基、羟基、氨基、C1-6烷基(特别是乙基)、C2-6炔基(特别是乙炔基),优选氢、氟、氯、氰基、甲基、乙基、羟基、氨基;R7优选氢或氟,R14优选羟基,其它各基团也具有上文中所给出的定义。
所述式(II-D1)和式(II-D2)的化合物进一步具有更优的KRAS G12C突变抑制活性、耐药突变抑制作用和/或代谢稳定性。
本说明书中所用符号在不与键连接时代表基团与其他基团键结时成键的位置;或者,当与双键连接时表示该键可能位于双键平面中的任意位置,例如在式(II)中,表示R4与R5在双键上可形成E-或Z-构型。
在本发明优选的实施方案中,根据式(II)的化合物可选自下文所述的实施例1-29的化合物,更优选实施例1-4、7-8、10-16、18-24的化合物。
在另一个方面中,本发明提供了药物组合物,其包含如上所述的式(II)的化合物或其药学上可接受的盐或立体异构体,以及药学上可接受的稀释剂或载体。
另外,本发明还提供了上述化合物或其药学上可接受的盐或立体异构体在制备KRAS G12C突变抑制剂中的用途。
如文中所示,术语“药学上可接受的盐”,是指上述化合物最终分离和纯化过程中原位制备,或者分别将其以游离酸或游离碱的形式纯化的化合物以及与适当的酸或碱反应制备的化合物。
如文中所示,术语“芳基”单独或与另一个自由基组合地意指含有6-10个碳原子的碳环芳族单环基团,其可进一步与可为芳族、饱和或不饱和的一个或多个5或6元碳环基团稠合。
术语“杂芳基”指芳香性单环、双环或三环环系,其中可含有1-4个选自N、O和S的杂原子。在双环或三环环系的情况下,“杂环基”可能为稠合、桥连或螺环形式。“杂环基”可任选地被一个或多个取代基取代。
术语“杂环基”指饱和或不饱和的单环、双环或三环环系,其中至少一个环是非芳香环,其中可含有1-4个选自N、O和S的杂原子。在双环或三环环系的情况下,“杂环基”可能为稠合、桥连或螺环形式。“杂环基”可任选地被一个或多个取代基取代。
术语“卤”或“卤素”包括氟(F)、氯(Cl)、溴(Br)或碘(I)。
在式(II)化合物存在不对称原子(例如碳原子)的情况下,可以对映异构体、非对映异构体、或者任意比例的对映异构体或非对映异构体的组合物的形式(例如外消旋体)存在。
对于本说明书中同时提供了化学名称和结构式的化合物,当化学名称和结构式不一致时,以结构式为准。
在另一个实施方案中,还提供本发明的化合物或药物组合物治疗疾病的方法,所述疾病包括但不仅限于涉及KRAS G12C突变的疾病(例如癌症,如肺癌),所述方法包括本发明所述的化合物或其药学上可接受的盐或立体异构体给予有需要的受试者。
本说明书所述的代谢稳定性,包括肝微粒体中的代谢稳定性。本说明书所述的耐药突变包括Y96C、R68S、H95Q、Q99L等耐药突变。
通用合成方法
本发明中的化合物,可通过商业购得的试剂以如下图示中的合成方法和反应制备,或者以其他试剂及技术人员熟知的常规方法制备。
本发明化合物可以通过许多种方法制备,包括标准的化学方法。在下文列出了说明性的一般合成方法,可以通过有机合成领域中已知的方法制备式(II)化合物。在参考下文所述的实施例的方法时,应当理解,可以对部分取代基进行本领域中熟知的基团替换,从而在不偏离本发明的主旨的情况下得到类似的衍生物。如果必要,按照一般原理或化学方法对敏感性或反应性基团使用保护基团。保护基团是按照有机合成的标准方法进行操作(T.W.Greene和P.G.M.Wuts,Protective Groups in Organic Synthesis,第三版,Wiley,New York 1999)。这些基团在化合物合成的方便阶段使用本领域技术人员很清楚的方法除去。选择方法以及反应条件和其处理次序,应当与式(II)化合物的制备相符。
本领域技术人员将能够识别在式(II)化合物中是否存在立体中心。因此,本发明包括可能的立体异构体,并且既包括外消旋化合物又包括单个对映异构体。当所需化合物是单个对映异构体时,其可以通过立体特异性合成或通过终产物或任何方便的中间体拆分获得。终产物、中间体或起始原料的拆分可以通过本领域已知的任何适合的方法实现。参见,例如E.L.Eliel,S.H.Wilen和L.N.Mander的“Stereochemistry of Organic Compounds”(Wiley-interscience,1994)。
实施例
下面的实施例可以对本发明做进一步的描述,然而,这些实施例不应作为对本发明的范围的限制。本发明的式(II)化合物包括但不限于实施例1~29所述的化合物,其中实施例1、实施例3~29所述的化合物也可以参照实施例2的合成路线进行制备。
中间体的制备:
中间体1:三异丙基((8-三氟硼酸钾-2-基)萘-1-基)乙炔基)硅烷的合成路线如下
步骤一:((8-溴萘-1-基)乙炔基)三异丙基硅烷的合成
把1,8-二氯萘(5.00g,17.4mmol)和(三异丙基硅基)乙炔(4.15g,22.7mmol)溶于三乙胺(100mL)后加入三苯基膦(458mg,1.75mmol),二氯双(三苯基膦)钯(613mg,874umol)和碘化亚铜(333mg,1.75mmol),在80℃反应3小时。HPLC监测反应结束。浓缩柱层析纯化得黄色固体((8-溴萘-1-基)乙炔基)三异丙基硅烷(5.80g,产率85.6%)。
1H NMR(400MHz,CDCl3):δ=7.92(dd,J1=1.1,J2=7.3Hz,1H),7.87-7.78(m,3H),7.43(t,J=7.7Hz,1H),7.31-7.29(m,1H),1.23-1.21(m,21H)ppm。
步骤二:三异丙基((8-频哪醇硼酸酯-2-基)萘-1-基)乙炔基)硅烷的合成
在氮气保护下把((8-溴萘-1-基)乙炔基)三异丙基硅烷(5.80g,14.9mmol)和4,4,5,5-四甲基-2-(4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊-2-基)-1,3,2-二氧杂硼杂环戊烷(4.18g,16.4mmol)溶于甲苯(60mL)后加入乙酸钾(4.41g,44.9mmol)和1,1-双(二苯基磷)二茂铁氯化钯(1.10g,1.50mmol)。该反应在80℃反应12小时。HPLC监测反应结束。浓缩柱层析和prep-HPLC纯化得黄色固体三异丙基((8-频哪醇硼酸酯-2-基)萘-1-基)乙炔基)硅烷(2.30g,产率35.3%)。
1H NMR(400MHz,CDCl3):δ=7.89-7.75(m,4H),7.49-7.37(m,2H),1.45(s,12H),1.19(s,21H)ppm。
步骤三:三异丙基((8-三氟硼酸钾-2-基)萘-1-基)乙炔基)硅烷的合成
氮气保护下把三异丙基((8-频哪醇硼酸酯-2-基)萘-1-基)乙炔基)硅烷(1.50g,3.45mmol),氟氢化钾(1.35g,17.2mmol)溶于甲醇(24mL)和水(4mL)。在35℃反应12小时。TLC监测反应结束。反应液过滤得滤饼,拉干得白色固体三异丙基((8-三氟硼酸钾-2-基)萘-1-基)乙炔基)硅烷(1.50g,粗品)。
1H NMR(400MHz,(CD3)2SO):δ=7.83(d,J=6.9Hz,1H),7.79-7.74(m,1H),7.66-7.58(m,2H),7.28(dt,J1=3.1,J2=7.5Hz,2H),1.17-1.10(m,21H)ppm。
中间体2:三异丙基((6-(甲氧基甲氧基)-8-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)萘-1-基)乙炔基)硅烷的合成路线如下
步骤一:(溴乙炔基)三异丙基硅烷的合成
将乙炔基三异丙基硅烷(24.0g,132mmol)、N-溴代丁二酰亚胺(26.9g,151mmol)和硝酸银(2.24g,13.2mmol)溶于丙酮(240mL)中,氮气置换三次,在25℃下搅拌1小时,TLC监测反应结束,反应液直接浓缩,石油醚打浆,滤液浓缩,得到产物无色油状物(溴乙炔基)三异丙基硅烷(33.5g,收率97.4%)。
1H NMR(400MHz,CDCl3):δ=1.16-0.99(m,21H)ppm。
步骤二:8-((三异丙硅基)乙炔基)萘-1,3-二酚的合成
将萘-1,3-二酚(10.0g,62.4mmol)、(溴乙炔基)三异丙基硅烷(17.9g,68.7mmol)醋酸钾(12.2g,125mmol)和二氯双(4-甲基异丙基苯基)钌(II)(3.82g,6.24mmol)溶于二氧六环(200mL)中,氮气置换三次,在110℃下搅拌12小时,TLC监测反应结束,反应液直接浓缩,用快速硅胶柱纯化得到8-((三异丙硅基)乙炔基)萘-1,3-二酚(6.50g,30.6%收率)。
1H NMR(400MHz,CDCl3):δ=9.32(s,1H),7.69-7.57(m,1H),7.52-7.44(m,1H),7.33-7.27(m,1H),6.75(d,J=2.5Hz,1H),6.64(d,J=2.5Hz,1H),5.04(br s,1H),1.23-1.16(m,21H)ppm。
步骤三:3-(甲氧基甲氧基)-8-((三异丙硅基)乙炔基)萘-1-酚的合成
在0℃下,将氯甲基甲醚(1.57g,19.5mmol)滴加到8-((三异丙硅基)乙炔基)萘-1,3-二酚(6.50g,19.1mmol)和二异丙基乙胺(4.93g,38.2mmol)的二氯甲烷(65.0mL)中,然后升至20℃,继续搅拌2小时。TLC监测反应结束,反应液加入水中淬灭,用1M盐酸调至pH=6-7,二氯甲烷萃取。有机相干燥浓缩,粗品用快速硅胶柱纯化得到物3-(甲氧基甲氧基)-8-((三异丙硅基)乙炔基)萘-1-酚(3.50g,收率47.7%)。
1H NMR(400MHz,CDCl3):δ=9.27(s,1H),7.74-7.64(m,1H),7.53-7.47(m,1H),7.36-7.28(m,1H),6.98(d,J=2.5Hz,1H),6.78(d,J=2.5Hz,1H),5.27(s,2H),3.52(s,3H),1.23-1.15(m,21H)ppm。
步骤四:3-(甲氧基甲氧基)-8-((三异丙硅基)乙炔基)萘-1-三氟甲磺酸酯的合成
在-40℃下,将三氟甲磺酸酐(4.11g,14.6mmol)滴加到3-(甲氧基甲氧基)-8-((三异丙硅基)乙炔基)萘-1-酚(3.50g,9.10mmol)和二异丙基乙胺(4.70g,36.4mmol)的二氯甲烷(30.0mL)中。继续在该温度下搅拌0.5小时,TLC监测反应结束。反应液加水中淬灭,二氯甲烷萃取,有机相干燥浓缩,粗品用快速硅胶柱纯化得到黄色油状物三氟甲磺酸(3-(甲氧基甲氧基)-8-((三异丙硅基)乙炔基)萘-1-基)酯(4.60g,收率97.8%)。
1H NMR(400MHz,CDCl3):δ=7.82-7.67(m,2H),7.47-7.42(m,2H),7.32(d,J=2.4Hz,1H),5.30(s,2H),3.53(s,3H),1.26-1.15(m,21H)ppm。
步骤五:三异丙基((6-(甲氧基甲氧基)-8-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)萘-1-基)乙炔基)硅烷合成
将三氟甲磺酸(3-(甲氧基甲氧基)-8-((三异丙硅基)乙炔基)萘-1-基)酯(4.60g,8.90mmol),频哪醇联硼酸酯(4.07g,16.0mmol),1,1-双(二苯基磷)二茂铁氯化钯(397mg,0.542mmol),醋酸钾(2.18g,22.3mmol)和二氧六环(46.0mL),在120℃下反应12小时。LCMS监测反应完全,反应液浓缩,通过柱层析纯化,得到产物三异丙基((6-(甲氧基甲氧基)-8-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)萘-1-基)乙炔基)硅烷(3.60g,收率81.8%)。
1H NMR(400MHz,CDCl3):δ=7.67-7.55(m,2H),7.39(d,J=2.6Hz,1H),7.33-7.23(m,2H),5.21(s,2H),3.48-3.36(m,3H),1.35(s,12H),1.11-1.07(m,21H)ppm。
中间体3:(8-氯-3-(甲氧基甲氧基)萘-1-基)三氟硼酸钾的合成路线如下
步骤一:N-(5-氨基萘-1-基)乙酰胺的合成
将萘-1,5-二胺(10.0g,63.2mmol)溶于300mL四氢呋喃中,然后在0℃下滴加溶于60mL四氢呋喃的乙酸酐(6.45g,63.2mmol)溶液,反应液在25℃下搅拌16小时。LCMS检测反应结束后,反应液减压旋干,粗品用甲醇打浆,过滤,滤液旋干得到N-(5-氨基萘-1-基)乙酰胺(10.0g,收率78.2%)。
1H NMR(400MHz,(CD3)2SO):δ=9.70(s,1H),7.89(d,J=8.4Hz,1H),7.58(d,J=7.3Hz,1H),7.31(t,J=7.9Hz,1H),7.26-7.19(m,2H),6.73-6.64(m,1H),5.73(s,2H),2.15(s,3H)ppm。
步骤二:N-(5-氯萘-1-基)乙酰胺的合成
将N-(5-氨基萘-1-基)乙酰胺(60.5g,302mmol)溶于400mL盐酸(12M)和500mL乙腈中,在0℃下搅拌2小时后缓慢加入亚硝酸钠(25.1g,363mmol),在0℃下继续搅拌2小时后缓慢加入氯化亚铜(45.0g,454mmol),然后在25℃反应12小时。LCMS检测反应结束后,反应液浓缩,粗品用乙酸乙酯溶解,过滤,滤液用饱和碳酸氢钠溶液和饱和食盐水洗涤,有机相浓缩得到N-(5-氯萘-1-基)乙酰胺(42.6g,收率36.9%)。
1H NMR(400MHz,(CD3)2SO):δ=10.04(br s,1H),8.12-8.00(m,2H),7.83-7.71(m,2H),7.70-7.63(m,1H),7.54(br t,J=7.9Hz,1H),2.19(s,3H)ppm。
步骤三:5-氯萘基-1-胺的合成
在25℃下将N-(5-氯萘-1-基)乙酰胺(41.2g,187mmol)溶于300mL乙醇中,加入氢氧化钠(10M,937mmol),在80℃反应12小时,LCMS检测反应结束。将反应液减压旋干,粗品用甲基叔丁基醚萃取和饱和食盐水水洗,有机相旋干得到5-氯萘基-1-胺(33.0g,收率80.6%)。
1H NMR(400MHz,(CD3)2SO):δ=8.09(d,J=8.4Hz,1H),7.58(d,J=7.3Hz,1H),7.40-7.26(m,3H),6.80-6.71(m,1H),5.94(br s,2H)ppm。
步骤四:2,4-二溴-5-氯萘基-1-胺的合成
在25℃下向液溴(62.4g,391mmol)的醋酸(100mL)溶液中加入溶于80mL二氯甲烷中的5-氯萘基-1-胺(31.6g,178mmol)溶液,在70℃下反应2个小时,LCMS检测反应结束,降温至25℃,过滤,滤饼用醋酸洗涤,然后加入15%的氢氧化钠溶液室温搅拌30分钟,过滤滤饼水洗,旋干得到2,4-二溴-5-氯萘基-1-胺(44.4g,收率51.8%)。
1H NMR(400MHz,(CD3)2SO):δ=8.31(d,J=8.6Hz,1H),7.90(s,1H),7.73(d,J=7.4Hz,1H),7.46(t,J=8.1Hz,1H),6.61-5.89(m,2H)ppm。
步骤五:5-溴-6-氯萘并[1,2-d][1,2,3]恶二唑的合成
在0℃下,向2,4-二溴-5-氯萘基-1-胺(45.8g,136mmol)的醋酸(300mL)溶液中缓慢加入丙酸(101g,1.37mol),然后加入亚硝酸钠(14.1g,204mmol),在0℃下搅拌0.5小时,然后升温至20℃搅拌11.5小时。LCMS和TLC检测反应结束,将反应液倒入冰水中,过滤,滤饼旋干得到5-溴-6-氯萘并[1,2-d][1,2,3]恶二唑(28.2g,收率43.6%)。
1H NMR(400MHz,(CD3)2SO):δ=7.66(dd,J=1.2,8.1Hz,1H),7.60-7.56(m,1H),7.46(dd,J=1.3,7.8Hz,1H),7.27(s,1H)ppm。
步骤六:4-溴-5-氯萘基-2-酚的合成
将5-溴-6-氯萘并[1,2-d][1,2,3]恶二唑(28.2g,99.5mmol)加到100mL乙醇和100mL四氢呋喃中,在0℃下缓慢加入硼氢化钠(7.27g,192mmol),0℃反应0.5小时。TLC检测反应完成,反应液中加入1M盐酸淬灭,然后用20%氢氧化钠溶液调节pH到7-8,乙酸乙酯萃取,有机相水洗,干燥浓缩,通过柱层析分离得到4-溴-5-氯萘基-2-酚(6.48g,收率25.3%)。
1H NMR(400MHz,(CD3)2SO):δ=10.36(s,1H),7.78(dd,J=1.0,8.3Hz,1H),7.57(d,J=2.5Hz,1H),7.48(dd,J=1.3,7.4Hz,1H),7.38(d,J=8.0Hz,1H),7.27(d,J=2.5Hz,1H)ppm。
步骤七:1-溴-8-氯-3-(甲氧基甲氧基)萘的合成
将4-溴-5-氯萘基-2-酚(5.89g,22.8mmol)和N,N-二异丙基乙胺(5.91g,45.7mmol)溶于60mL的二氯甲烷中,在0℃下缓慢滴加溴甲基甲醚(2.86g,22.8mmol),在20℃下反应0.5个小时。TLC监测反应完成,向反应液中加饱和食盐水,二氯甲烷萃取干燥浓缩,粗品通过硅胶柱分离得到1-溴-8-氯-3-(甲氧基甲氧基)萘(5.00g,收率72.5%)。
1H NMR(400MHz,CDCl3):δ=7.63(d,J=2.5Hz,1H),7.61(dd,J=0.9,8.3Hz,1H),7.45(dd,J=1.3,7.5Hz,1H),7.32(d,J=2.5Hz,1H),7.26-7.21(m,1H),5.22(s,2H),3.48(s,1H),3.46(s,3H)ppm。
步骤八:2-(8-氯-3-(甲氧基甲氧基)萘-1-基)频哪醇硼酸酯的合成
将1-溴-8-氯-3-(甲氧基甲氧基)萘(5.00g,16.5mmol),双联频哪醇硼酸酯(4.63g,18.2mmol),乙酸钾(4.88g,49.7mol)和1,1-双(二苯基磷)二茂铁氯化钯(1.21mg,1.66mol)溶于二氧六环(4M,72.3uL)中,然后110℃下搅拌1小时,TLC监测反应结束后,反应液用水和乙酸乙酯萃取,有机相干燥,过滤,滤液浓缩通过硅胶柱分离得到2-(8-氯-3-(甲氧基甲氧基)萘-1-基)硼酸频哪醇酯(4.18g,收率72.3%)。
1H NMR(400MHz,CDCl3):δ=7.68-7.63(m,1H),7.44(dd,J=1.1,7.4Hz,1H),7.41(d,J=2.5Hz,1H),7.36(d,J=2.5Hz,1H),7.35-7.30(m,1H),5.30(s,2H),3.51(s,3H),1.45(s,12H)ppm。
步骤九:(8-氯-3-(甲氧基甲氧基)萘-1-基)三氟硼酸钾的合成
将2-(8-氯-3-(甲氧基甲氧基)萘-1-基)硼酸频哪醇酯(1.00g,2.87mmol)溶于10mL的甲醇中,然后加入溶于1mL水中的氟化氢钾(1.34g,17.2mmol),反应液在30℃下搅拌7个小时,TLC监测反应完成,把反应液中的甲醇旋干,过滤,滤饼旋干得到(8-氯-3-(甲氧基甲氧基)萘-1-基)三氟硼酸钾(835mg,收率88.6%)。
1H NMR(400MHz,(CD3)2SO):δ=7.66-7.58(m,2H),7.31(d,J=7.0Hz,1H),7.24-7.17(m,2H),5.26(s,2H),3.40(s,3H)ppm。
中间体4:叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成路线如下

步骤一:7-溴-8-氟喹唑啉-2,4-二醇的合成
将2-氨基-4-溴-3-氟苯甲酸(2.50g,10.7mmol,1.00eq)和尿素(5.13g,85.5mmol,8.00eq)在180℃反应4小时,LCMS监测反应结束。反应液加水后在100℃煮30分钟,过滤,滤饼用沸水洗涤三次,后旋干得到7-溴-8-氟喹唑啉-2,4-二醇(8.92g,粗品)。
LCMS:m/z 259.9[M+3]+
1H NMR(400MHz,(CD3)2SO):δ=11.51(br s,2H),7.63(dd,J=0.7,8.6Hz,1H),7.43(dd,J=5.9,8.5Hz,1H)。
步骤二:7-溴-2,4-二氯-8-氟喹唑啉的合成
将7-溴-8-氟喹唑啉-2,4-二醇(8.92g,34.4mmol,1.00eq)溶于40.0mL三氯氧磷中,加入N,N-二异丙基乙胺(13.4g,103mmol,18.0mL,3.00eq),反应液在110℃下反应12小时。LCMS检测反应结束,反应液浓缩后用二氯甲烷溶解,垫硅胶过滤旋干得到7-溴-2,4-二氯-8-氟喹唑啉(28.9g,粗品)。
LCMS:m/z 296.9[M+3]+
1H NMR(400MHz,CDCl3):δ=8.00-7.93(m,1H),7.87(dd,J=5.9,9.0Hz,1H)。
步骤三:叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将7-溴-2,4-二氯-8-氟喹唑啉(25.8g,28.8mmol,33.0%purity,1.00eq)溶于100mL二氯甲烷中,加入N,N-二异丙基乙胺(11.2g,86.3mmol,3.00eq),冷却至-78℃,加入(S)-叔丁基2- (氰甲基)哌嗪-1-羧酸酯(6.48g,28.8umol,1.00eq),反应液在-78℃搅拌2小时。TLC监测反应结束,在-78℃下向反应液中加水和二氯甲烷萃取,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(7.62g,15.1mmol,52.6%收率)。
LCMS:m/z 486.1[M+3]+
1H NMR(400MHz,CDCl3):δ=7.63-7.53(m,2H),4.65(br s,1H),4.46-4.22(m,2H),4.18-4.02(m,1H),3.74(br dd,J=3.9,13.9Hz,1H),3.62-3.27(m,2H),2.93-2.78(m,1H),2.76-2.66(m,1H),1.52(s,9H)。
中间体5:叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成路线如下
以中间体4为原料,将叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(1.00g,2.06mmol,1.00eq)溶于20.0mL N,N-二甲基乙酰胺中,加入氟化钾(7.19g,124mmol,2.90mL,60.0eq),反应液在120℃下搅拌24小时。LCMS监测反应结束,反应液用乙酸乙酯稀释,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(0.71g,1.40mmol,67.9%收率)。
LCMS:m/z 470.1[M+3]+
1H NMR(400MHz,CDCl3):δ=7.71-7.45(m,2H),4.63(br d,J=3.3Hz,1H),4.41-4.25(m,2H),4.09(br s,1H),3.80(br dd,J=4.1,13.9Hz,1H),3.66-3.34(m,2H),2.85(br dd,J=6.5,17.1Hz,1H),2.78-2.65(m,1H),1.50(s,9H)。
中间体6:叔丁基(S)-4-(7-溴-2,6,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成路线如下:
步骤一:3-溴-2,4-二氟-6-碘苯胺的合成
把3-溴-2,4-二氟苯胺(50.0g,240mmol),硫酸银(74.9g,240mmol)和碘(67.5g,265mmol)溶于乙醇(1000mL)后,在25℃氮气保护下反应4小时。LCMS监测反应结束。反应液过滤浓缩柱层析纯化得紫色固体3-溴-2,4-二氟-6-碘苯胺(70.5g,产率87.8%)。
LCMS:m/z 335.9[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=8.47-8.10(m,2H),7.54(dd,J=2.1,8.0Hz,1H)ppm。
步骤二:2-氨基-4-溴-3,5-二氟苯甲酸甲酯的合成
在25℃把3-溴-2,4-二氟-6-碘苯胺(34.0g,101mmol)溶于甲醇(800mL)后加入[1,1-双(二苯基膦)二茂铁]二氯化钯二氯甲烷(4.99g,6.11mmol),然后反应5分钟后加入三乙胺(72.1g,712mmol),最后该反应在60℃一氧化碳(15psi)保护下反应4小时。LCMS和TLC监测反应结束。反应液浓缩过柱得黄色固体2-氨基-4-溴-3,5-二氟苯甲酸甲酯(18.0g,产率66.4%)。
LCMS:m/z 265.9[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=7.43(dd,J=1.7,9.4Hz,1H),6.63(br s,2H),3.82(s,3H)ppm。
步骤三:2-氨基-4-溴-3,5-二氟苯甲酸的合成
把2-氨基-4-溴-3,5-二氟苯甲酸甲酯(30.0g,112mmol)溶于甲醇(30.0mL),水(60.0mL)和四氢呋喃(90.0mL)后加入一水合氢氧化锂(4.73g,112mmol)后在25℃反应12小时。LCMS监测反应结束。反应液浓缩后用2M的盐酸调pH到4后,过滤得滤饼拉干得棕色固体2-氨基-4-溴-3,5-二氟苯甲酸(29.0g,粗品)。
LCMS:m/z 253.9[M+H]+
1H NMR(400MHz,CD3CN):δ=7.47(dd,J=2.1,9.5Hz,1H),7.21-5.25(m,2H)ppm。
步骤四:7-溴-6,8-二氟喹唑啉-2,4-二醇的合成
氮气保护下把2-氨基-4-溴-3,5-二氟苯甲酸(10.0g,39.6mmol)溶于尿素(23.8g,396mmol)后在140℃反应4小时。LCMS监测反应结束。反应液冷却至100℃加入水(10mL)后,过滤,滤饼拉干得灰色固体7-溴-6,8-二氟喹唑啉-2,4-二醇(8.98g,粗品)。
LCMS:m/z 277.9[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=11.67-11.44(m,2H),7.63-7.56(m,1H)ppm。
步骤五:7-溴-2,4-二氯-6,8-二氟喹唑啉的合成
25℃把7-溴-6,8-二氟喹唑啉-2,4-二醇(10.0g,36.1mmol)溶于三氯氧磷(300mL)后,在120℃反应5分钟。然后加入N,N-二异丙基乙胺(93.3g,721mmol)后在120℃反应4小时。TLC监测反应结束。反应液浓缩得黄色固体7-溴-2,4-二氯-6,8-二氟喹唑啉(40.0g,粗品)直接使用于下一步反应。
步骤六:叔丁基(S)-4-(7-溴-2-氯-6,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
25℃把(S)-2-(氰基甲基)哌嗪-1-甲酸叔丁酯(3.95g,17.5mmol)溶于二氯甲烷(100mL)后加入N,N-二异丙基乙胺(13.5g,105mmol),然后在-60℃加入7-溴-2,4-二氯-6,8-二氟喹唑啉(11.0g,35.04mmol)后反应30分钟。LCMS监测反应结束。反应液在-60℃用水淬灭,二氯甲烷萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析得黄色固体叔丁基(S)-4-(7-溴-2-氯-6,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(2.30g,产率13.1%)。
LCMS:m/z 504.1[M+H]+
1H NMR(400MHz,CDCl3):δ=7.50-7.42(m,1H),4.65(br s,1H),4.37-4.22(m,2H),4.18-4.03(m,1H),3.76(br dd,J=3.6,13.7Hz,1H),3.64-3.34(m,2H),2.93-2.80(m,1H),2.76-2.66(m,1H),1.52(s,9H)ppm。
步骤七:叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
把叔丁基(S)-4-(7-溴-2-氯-6,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(2.70g,5.37mmol),氟化钾(12.4g,214mmol)溶于二甲基亚砜(8mL)后,在120℃氮气保护下反应4小时。LCMS监测反应结束。反应液加水淬灭,二氯甲烷萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析得黄色固体叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(1.01g,产率38.6%)。
LCMS:m/z 488.0[M+H]+
1H NMR(400MHz,CDCl3):δ=7.54-7.47(m,1H),4.65(br s,1H),4.37-4.25(m,2H),4.20-4.05(m,1H),3.85(br dd,J=4.0,13.9Hz,1H),3.63(dt,J=3.8,11.6Hz,1H),3.49(br s,1H),2.84(br d,J=5.5Hz,1H),2.75-2.65(m,1H),1.52(s,9H)ppm。
实施例1:2-((S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物1)
化合物1的具体合成路线:
以中间体4号化合物出发,化合物1的具体合成过程如下:
步骤四:叔丁基(S)-4-(2-氯-8-氟-7-(3-((甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(500mg,1.03mmol),三异丙基((6-(甲氧基甲氧基)-8-(4,4,5,5-四甲基-1,3,2-二氧苯甲醛-2-基)萘-1-基)乙炔基)硅烷(510mg,1.03mmol)溶于水(1.25mL)和乙二醇二甲醚(12.5mL)中。加入甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(93.3mg,128umol)和碳酸钾(656mg,3.09mmol),反应 液在80℃下搅拌2小时。LCMS监测反应结束,反应液浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(2-氯-8-氟-7-(3-((甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(1.40g,收率55.6%)。
LCMS:m/z 667.3[M+H]+
1H NMR(400MHz,CDCl3):δ=7.75(d,J=8.1Hz,1H),7.65-7.56(m,2H),7.47-7.32(m,3H),7.07(d,J=2.0Hz,1H),5.24(s,2H),4.65(br s,1H),4.46-4.08(m,3H),3.77-3.64(m,1H),3.57-3.34(m,5H),3.01-2.65(m,2H),1.46(d,J=3.6Hz,9H),0.83-0.72(m,18H),0.61-0.32(m,3H)ppm。
步骤五:叔丁基(S)-2-(氰基甲基)-4-(8-氟-2-((2R,7aS)-2-氟-四氢呋喃-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(3-(甲氧基甲基)氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-羧酸酯的合成
将((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(185mg,1.17mmol)溶于四氢呋喃(6.00mL)中,在0℃加入钠氢(62.1mg,1.55mmol,60%purity)。反应液氮气保护,在20℃下搅拌1小时。将叔丁基(S)-4-(2-氯-8-氟-7-(3-((甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(62.1mg,1.55mmol,60%purity)的四氢呋喃(3.00mL)溶液加入反应液中,反应液继续搅拌1小时。LCMS监测反应结束,反应液用水淬灭,乙酸乙酯萃取,有机相盐水洗涤后浓缩得到叔丁基(S)-2-(氰基甲基)-4-(8-氟-2-((2R,7aS)-2-氟-四氢呋喃-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(3-(甲氧基甲基)氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-羧酸酯(400mg,粗品)。
LCMS:m/z 895.7[M+H]+
步骤六:叔丁基(S)-2-(氰基甲基)-4-(7-(8-乙炔基-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯的合成
将叔丁基(S)-2-(氰甲基)-4-(8-氟-2-((2R,7aS)-2-氟-四氢呋喃-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(3-(甲氧基甲基)氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-羧酸酯(400mg,447umol)溶于N,N-二甲基甲酰胺(5.0mL)中,向反应液中加入氟化铯(203mg,1.34mmol)。反应液在60℃下搅拌1小时。LCMS监测反应结束,反应液用乙酸乙酯萃取,盐水洗涤,有 机相浓缩经快速硅胶柱得到叔丁基(S)-2-(氰基甲基)-4-(7-(8-乙炔基-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(240mg,收率72.7%)。
LCMS:m/z 739.4[M+H]+
步骤七:2-((S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
溶液A:在0℃,把叔丁基(S)-2-(氰基甲基)-4-(7-(8-乙炔基-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(240mg,325umol)溶于盐酸二氧六环(4.00M,5.85mL)中并搅拌一小时。反应液浓缩后加入N,N-二甲基甲酰胺(2.00mL)和N,N-二异丙基乙胺(126mg,975umol)。
溶液B:在0℃把2-氟丙烯酸(32.2mg,357umol)溶于二氯甲烷(1.00mL)和N,N-二甲基甲酰胺(0.1mL)中,加入草酰氯(53.6mg,422umol)并在该温度下反应10分钟。在0℃将溶液B加入溶液A并搅拌20分钟。LCMS监测反应结束。反应液过滤经prep-HPLC分离纯化得到2-((S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(16.0mg,收率7.24%)。
LCMS:m/z 667.5[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=10.13(d,J=2.0Hz,1H),7.94-7.76(m,2H),7.49-7.38(m,2H),7.35-7.21(m,2H),7.03(d,J=2.4Hz,1H),5.52-5.17(m,3H),5.07-4.74(m,1H),4.45-3.93(m,5H),3.59-3.39(m,2H),3.19-2.98(m,5H),2.88-2.78(m,1H),2.20-1.99(m,4H),1.92-1.72(m,4H)ppm。
实施例2:2-((S)-4-(7-(8-氯-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物2)
化合物2的具体合成路线如下:
以中间体5号化合物出发,化合物2的具体合成过程如下:
步骤五:叔丁基(S)-4-(7-(8-氯-3-(甲氧基甲基氧基)萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(2.00g,4.27mmol,1.00eq),(8-氯-3-(甲氧基甲基氧基)-1-萘酚)氟硼酸钾(2.81g,8.54mmol,2.00eq)溶于30.0mL二氧六环中,加入甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(622mg,854umol,0.20eq)和碳酸钾(1.18g,8.54mmol,2.00eq),反应液在100℃下搅拌12小时。LCMS监测反应结束,反应液浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(7-(8-氯-3-(甲氧基甲基氧基)萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(2.00g,1.23mmol,76.8%收率)
LCMS:m/z 610.1[M+H]+
1H NMR(400MHz,CDCl3):δ=7.79-7.72(m,2H),7.54(d,J=2.4Hz,1H),7.42-7.34(m,3H),7.18(d,J=2.4Hz,1H),5.33(s,2H),4.73-4.67(m,1H),4.48-4.39(m,3H),3.90-3.81(m,1H),3.71-3.60(m,2H),3.54(s,3H),2.90-2.85(m,1H),2.83-2.76(m,1H),1.54(s,9H)。
步骤六:叔丁基(S)-4-(7-(8-氯-3-(甲氧基甲基氧基)萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(78.3mg,492umol,3.00eq)溶于4.00mL四氢呋喃中,在0℃下加入氢化钠(29.5mg,738umol,60.0%purity,4.50eq),反应液在20℃下搅拌1小时。将叔丁基(S)-4-(7-(8-氯-3-(甲氧基甲基氧基)萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(100mg,164umol,1.00eq)加入反应液中,反应液在20℃下继续搅拌2小时。LCMS监测反应结束,反应液用水淬灭,乙酸乙酯萃取,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(7-(8-氯-3-(甲氧基甲基氧基)萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(90mg,98.9umol,60.3%收率)。
LCMS:m/z 749.3[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=8.00-7.84(m,2H),7.72-7.65(m,1H),7.52-7.42(m,2H),7.35-7.28(m,1H),7.25-7.14(m,1H),5.41-5.35(m,2H),5.28-5.18(m,1H),4.67-4.50(m,2H),4.33-4.08(m,4H),3.95-3.88(m,1H),3.55-3.47(m,2H),3.46-3.43(m,3H),2.99-2.91(m,2H),2.84-2.72(m,2H),1.87-1.73(m,6H),1.48-1.42(m,9H),0.81-0.70(m,2H)。
步骤七:2-((S)-4-(7-(8-氯-3-羟基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃下向叔丁基(S)-4-(7-(8-氯-3-(甲氧基甲基氧基)萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(80.0mg,107umol,1.00eq)中加入2.00mL盐酸二氧六环,反应液在0℃下搅拌1小时。LCMS监测反应结束,反应浓缩得到2-((S)-4-(7-(8-氯-3-羟基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(100mg,粗品)
LCMS:m/z 605.3[M+H]+
步骤八:2-((S)-4-(7-(8-氯-3-羟基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈的合成
将2-氟丙烯酰基-2-酸(16.4mg,182umol,1.10eq)溶于1.00mL二氯甲烷中,在0℃下向反应液中加入草酰氯(23.1mg,182umol,15.9uL,1.10eq),后加入N,N-二甲基甲酰胺(1.21mg,16.5umol,1.27uL,0.10eq)并搅拌30分钟,随后将该反应液滴入2-((S)-4-(7-(8-氯-3-羟基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(100mg,165umol,1.00eq)及2,6-二甲基吡啶(53.1mg,496umol,57.7uL,3.00eq)的N,N-二甲基甲酰胺溶液(3.00mL)中并搅拌1小时,LCMS监测反应结束,反应液浓缩后经prep-HPLC纯化得2-((S)-4-(7-(8-氯-3-羟基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈(19.6mg,28.4umol,17.2%收率)。
LCMS:m/z 677.3[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=10.25(br s,1H),7.91-7.80(m,2H),7.45-7.27(m,4H),7.03(d,J=2.6Hz,1H),5.47-5.33(m,2H),5.28-5.17(m,1H),5.04-4.72(m,1H),4.34-4.24(m,2H),4.16-3.99(m,3H),3.62-3.47(m,3H),3.13-2.99(m,4H),2.89-2.77(m,1H),2.23-1.66(m,7H)。
实施例3:2-((2S)-4-(7-(8-氯-3-羟基萘-1-基)-6,8-二氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物3)
LCMS:m/z 695.2[M+H]+
实施例4:2-((S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物4)
化合物4的具体合成路线如下:
以中间体5号化合物出发,化合物4的具体合成过程如下:
步骤五:叔丁基(S)-2-(氰基甲基)-4-(2,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-羧酸酯的合成
将叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰基甲基)哌嗪-1-羧酸酯(2.00g,4.27mmol),((2-氟-6-(甲氧基甲氧基)-8-(4,4,5,5-四甲基-1,3,2-二氧苯甲醛-2-基)萘-1-基)乙炔基)三异丙基硅烷(2.41g,4.70mmol)溶于30.0mL二氧六环中,加入甲烷磺酸(二金刚烷基-N-丁基膦基)-2-氨基-1,1-二联苯-2-基)钯(II)(622mg,854umol),碳酸钾(1.18g,8.54mmol),反应液在110℃下搅拌12小时。LCMS监测反应结束,反应液浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰基甲基)-4-(2,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-羧酸酯(700mg,802umol,18.8%收率)。
LCMS:m/z 774.5[M+H]+
1H NMR(400MHz,CDCl3):δ=7.84-7.71(m,2H),7.51(d,J=2.4Hz,1H),7.48-7.43(m,1H),7.32(t,J=8.8Hz,1H),7.18(d,J=2.4Hz,1H),5.31(s,2H),4.71(br s,1H),4.53-4.06(m,4H),3.53(s,3H),2.88-2.64(m,2H),1.94-1.84(m,2H),1.25(s,9H),0.85(d,J=7.6Hz,18H),0.58-0.49(m,3H)。
步骤六:叔丁基(S)-2-(氰基甲基)-4-(8-氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯的合成
将((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(370mg,2.33mmol)溶于20.0mL四氢呋喃中,在0℃加入钠氢(140mg,3.49mmol,60.0%纯度),反应液在20℃下搅拌1小时。将叔丁基(S)-2-(氰基甲基)-4-(2,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-羧酸酯(600mg,775umol)加入反应液中,反应液在20℃下继续搅拌2小时。LCMS监测反应结束,反应液用水淬灭,乙酸乙酯萃取,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰基甲基)-4-(8-氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(420mg,460umol,59.3%收率)。
LCMS:m/z 913.3[M+H]+
步骤七:叔丁基(S)-2-(氰基甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯的合成
将叔丁基(S)-2-(氰基甲基)-4-(8-氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(470mg,514umol)溶于5.00mL N,N-二甲基甲酰胺中,向反应液中加入氟化铯(235mg,1.54mmol)。反应液在60℃下搅拌1小时。LCMS监测反应结束,反应液倒入冰水中,乙酸乙酯萃取,盐水洗涤,有机相浓缩得到叔丁基(S)-2-(氰基甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(400mg,粗品)。
LCMS:m/z 757.4[M+H]+
1H NMR(400MHz,CDCl3):δ=7.78-7.71(m,1H),7.53(d,J=8.4Hz,1H),7.43(d,J=2.4Hz,1H),7.26-7.20(m,1H),7.19-7.10(m,2H),5.37-5.19(m,3H),4.59(br s,1H),4.43-4.17(m,4H),4.06-3.94(m,1H),3.54(br dd,J=3.2,13.8Hz,1H),3.46(s,3H),3.45-3.09(m,5H),2.98 (br d,J=4.4Hz,1H),2.86(br s,1H),2.81-2.63(m,2H),2.37-2.11(m,3H),1.97-1.87(m,3H),1.45(s,9H)。
步骤八:2-((S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃下向叔丁基(S)-2-(氰基甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-(2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(100mg,132umol,)中加入盐酸二氧六环溶液(4.00M,6.00mL),反应液在25℃下搅拌1小时。LCMS监测反应结束,反应液浓缩得到2-((S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(100mg,粗品,盐酸盐)。
LCMS:m/z 613.4[M+H]+
步骤九:2-((S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
将2-氟丙烯酰基-2-酸(12.9mg,144umol)溶于1.00mL二氯甲烷中,在0℃下向反应液中加入草酰氯(18.2mg,144umol,12.6uL),后加入N,N-二甲基甲酰胺一滴并搅拌30分钟,随后将该反应液滴入2-((S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(80.0mg,131umol)及2,6-二甲基吡啶(42.0mg,392umol,45.6uL)的N,N-二甲基甲酰胺溶液(2.00mL)中并搅拌1小时。LCMS监测反应结束,反应液浓缩经prep-HPLC纯化得2-((S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(9.00mg,12.9umol,9.89%收率)。
LCMS:m/z 685.6[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=10.17(br s,1H),7.97(dd,J=6.0,9.1Hz,1H),7.82(dd,J=8.8,13.2Hz,1H),7.46(t,J=8.8Hz,1H),7.37(d,J=2.4Hz,1H),7.30-7.23(m,1H),7.08(s,1H),5.48-5.33(m,2H),5.28-5.18(m,1H),5.04-4.67(m,1H),4.34-4.21(m,2H),4.14-3.93(m,3H),3.83(d,J=6.8Hz,1H),3.52(br d,J=12.0Hz,1H),3.33(br s,1H),3.22-2.91(m,5H),2.87-2.76(m,1H),2.18-1.70(m,7H)。
实施例5:2-((S)-4-(7-(8-氯萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物5)
LCMS:m/z 661.2[M+H]+
实施例6:2-((2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物6)
化合物6的具体合成路线如下:

以中间体6号化合物出发,化合物6的具体合成过程如下:
步骤八:叔丁基(2S)-4-(7-(8-氯萘-1-基)-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
把叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(100mg,205umol),(8-氯-1-萘)-氟硼酸钾(150mg,558umol),氟化铯(99.9mg,658umol)和1,1-二(叔丁基磷)二茂铁氯化钯(26.8mg,41.1umol)溶于水(0.25mL)和N,N-二甲基甲酰胺(0.75mL)后换气,最后在100℃氮气保护下反应15分钟。平行投放六次反应,LCMS监测反应结束。反应液加水淬灭,二氯甲烷萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析纯化得黄色固体叔丁基(2S)-4-(7-(8-氯萘-1-基)-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(540mg,产率77.1%)。
LCMS:m/z 568.2[M+H]+
1H NMR(400MHz,CDCl3):δ=8.02(d,J=6.4Hz,1H),7.94-7.87(m,1H),7.65-7.54(m,2H),7.50-7.40(m,3H),4.69(br dd,J=3.1,6.0Hz,1H),4.46-4.31(m,2H),4.24-4.07(m,1H),3.88-3.76(m,1H),3.71-3.38(m,2H),2.95(s,2H),1.53(s,9H)ppm。
步骤九:叔丁基(2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
在0℃氮气保护下把(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(402mg,2.85mmol)溶于四氢呋喃(6mL)后加入钠氢(117mg,2.95mmol)后在20℃反应1小时。然后加入叔丁基(2S)-4-(7-(8-氯萘-1-基)-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(540mg,950umol)后反应20分钟。LCMS监测反应结束。反应液在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥, 过滤浓缩柱层析纯化得叔丁基(2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(380mg,收率57.9%)。
LCMS:m/z 689.4[M+H]+
1H NMR(400MHz,CDCl3):δ=8.01(d,J=8.0Hz,1H),7.89(d,J=8.1Hz,1H),7.64-7.51(m,2H),7.50-7.39(m,2H),7.36-7.29(m,1H),4.69(br d,J=2.9Hz,1H),4.36-4.21(m,4H),3.68-3.54(m,1H),3.52-3.31(m,2H),3.20(br d,J=1.1Hz,2H),2.86(br d,J=6.3Hz,1H),2.70-2.63(m,2H),2.18-2.09(m,2H),1.96-1.87(m,4H),1.83-1.77(m,2H),1.75-1.66(m,2H),1.53(s,9H)ppm。
步骤十:2-((2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
把叔丁基(2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(153mg,222umol)溶于盐酸/二氧六环(4mL)后换气最后在0℃反应30分钟。LCMS监测反应结束。反应液浓缩得黄色固体2-((2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(130mg,粗品)。
LCMS:m/z 589.3[M+H]+
步骤十一:2-((2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(59.6mg,662umol)溶于二氯甲烷(6mL)后加入草酰氯(86.8mg,684umol)并在该温度下反应30分钟,然后加入2-((2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(130mg,220umol)溶于N,N-二甲基甲酰胺(2mL)后加入N,N-二异丙基乙胺(28.5mg,220umol)的溶液。最后在0℃反应30分钟。LCMS监测反应结束。反应液过滤送prep-HPLC和SFC分离纯化得黄色固体2-((2S)-4-(7-(8-氯萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈。其中经SFC拆分得到两个目标化合物峰6A和6B。化合物6A和6B互为轴手性异构体。
6A:(17.3mg,产率11.6%),LCMS:m/z 661.5[M+H]+
1H NMR(400MHz,CD3CN):δ=8.18-8.11(m,1H),8.03(d,J=8.3Hz,1H),7.70(t,J=7.8Hz,1H),7.65-7.61(m,1H),7.60-7.49(m,3H),5.34-5.19(m,2H),5.05-4.81(m,1H),4.43-4.08(m,6H),3.74-3.52(m,2H),3.42-3.32(m,1H),3.16-2.86(m,5H),2.65-2.58(m,2H),1.87-1.77(m,4H),1.72-1.56(m,2H)ppm。
6B:(16.1mg,产率10.9%),LCMS:m/z 661.5[M+H]+
1H NMR(400MHz,CD3CN):δ=8.15(d,J=8.4Hz,1H),8.03(d,J=8.3Hz,1H),7.70(t,J=7.6Hz,1H),7.63(d,J=7.5Hz,1H),7.59-7.51(m,3H),5.31(br t,J=3.8Hz,1H),5.24(br d,J=3.8Hz,1H),5.06-4.83(m,1H),4.35-4.04(m,6H),3.71-3.49(m,2H),3.41-3.32(m,1H),3.12(br dd,J=8.7,16.9Hz,1H),2.97(br d,J=5.6Hz,4H),2.65-2.58(m,2H),1.86-1.77(m,4H),1.68-1.60(m,2H)ppm。
实施例7:2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物7)
化合物7的具体合成路线如下:

以中间体6号化合物出发,化合物7的具体合成过程如下:
步骤八:叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(100mg,205umol),3-甲氧基甲基氧基-8-((三异丙基硅)乙炔基)萘-1-氟硼酸钾(195mg,411umol),[(二(1-金刚烷基)丁基膦基)-2-(2'-氨基-1,1'-联苯基)]钯(II)甲磺酸酯(14.9mg,20.5umol),碳酸钾(71.0mg,514umol)溶于乙二醇二甲醚(4mL)和水(0.4mL)后,氮气保护下在80℃反应1小时。平行投放九次反应,LCMS监测反应结束。反应液浓缩柱层析纯化得黄色固体叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(1.00g,产率69.8%)。
LCMS:m/z 774.3[M+H]+
1H NMR(400MHz,CDCl3):δ=7.84(d,J=8.1Hz,1H),7.68(d,J=7.1Hz,1H),7.56(d,J=2.5Hz,1H),7.47-7.40(m,2H),7.18(t,J=2.9Hz,1H),5.32(s,2H),4.71(br s,1H),4.52-4.19(m,3H),3.94-3.63(m,2H),3.54(s,2H),3.61-3.48(m,1H),3.47-3.16(m,1H),3.06-2.75(m,2H),1.55-1.52(m,9H),0.90-0.82(m,18H),0.61-0.52(m,3H)ppm。
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基-)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在0℃氮气保护下把(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(301mg,2.13mmol)溶于四氢呋喃(6mL)后加入钠氢(90.9mg,2.27mmol),然后在20℃反应1小时后加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸 酯(550mg,710umol)后在该温度反应30分钟。LCMS监测反应结束。反应液在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析得黄色固体叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基-)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(400mg,产率62.8%)。
LCMS:m/z 895.5[M+H]+
1H NMR(400MHz,CDCl3):δ=7.82(d,J=8.4Hz,1H),7.71-7.64(m,1H),7.54(d,J=2.1Hz,1H),7.41(dt,J=3.1,7.7Hz,1H),7.35-7.28(m,1H),7.19(t,J=2.6Hz,1H),5.32(d,J=1.0Hz,2H),4.79-4.46(m,3H),4.32-4.11(m,3H),3.73-3.41(m,7H),3.37-3.05(m,2H),3.02-2.67(m,4H),2.42-2.14(m,3H),2.02-1.74(m,4H),1.53(s,9H),0.89-0.81(m,18H),0.62-0.50(m,3H)ppm。
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基3-(甲氧基甲基氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在氮气保护下把叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基-)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(400mg,446umol),氟化铯(271mg,1.79mmol)溶于N,N-二甲基甲酰胺(5mL)并在60℃反应1小时。LCMS监测反应结束。反应液加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析得黄色固体叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基3-(甲氧基甲基氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,产率60.5%)。
LCMS:m/z 739.4[M+H]+
1H NMR(400MHz,CDCl3):δ=7.85(d,J=7.5Hz,1H),7.62(dd,J=1.0,7.1Hz,1H),7.55(d,J=2.6Hz,1H),7.41(t,J=7.8Hz,1H),7.30(br d,J=9.3Hz,1H),7.22(t,J=2.8Hz,1H),5.33(s,2H),4.67(br s,1H),4.25(br d,J=10.9Hz,4H),4.16-4.03(m,1H),3.73-3.63(m,1H),3.54(s,3H),3.43(br s,4H),3.05-2.90(m,1H),2.89-2.70(m,3H),2.69-2.58(m,1H),2.21(br d,J=1.9Hz,2H),1.97(br d,J=5.0Hz,4H),1.78(br s,2H),1.52(s,9H)ppm。
步骤十一:2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在氮气保护下把叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基3-(甲氧基甲基氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,270umol)溶于盐酸/二氧六环(4mL,4M)后在25℃反应1小时。LCMS监测反应结束。反应液浓缩得黄色固体2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(160mg,粗品)。
LCMS:m/z 595.3[M+H]+
步骤十二:2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(96.9mg,1.08mmol)溶于二氯甲烷(4mL)后加入草酰氯(140mg,1.10mmol)并在该温度下反应10分钟,然后加入2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(160mg,269umol)溶于N,N-二甲基甲酰胺(2mL)后加入N,N-二异丙基乙胺(104mg,807umol)的溶液。最后在0℃反应30分钟。LCMS监测反应结束。反应液过滤送prep-HPLC和SFC分离纯化得到白色固体2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈,其中经SFC拆分得到两个目标化合物峰7A和7B。化合物7A和7B互为轴手性异构体。
7A:(12.8mg,产率8.57%),LCMS:m/z 667.3[M+H]+
1H NMR(400MHz,CD3CN):δ=7.91-7.79(m,1H),7.57-7.47(m,2H),7.45-7.35(m,2H),7.15(br d,J=2.1Hz,1H),5.34-5.17(m,2H),5.07-4.75(m,1H),4.30-4.07(m,5H),3.92-3.67(m,1H),3.61-3.52(m,1H),3.34(br t,J=11.5Hz,1H),3.17-3.07(m,1H),3.01-2.94(m,2H),2.87(br s,2H),2.63-2.56(m,2H),1.83-1.75(m,5H),1.68-1.58(m,3H)ppm。
7B:(6.00mg,产率3.18%),LCMS:m/z 667.3[M+H]+
1H NMR(400MHz,CD3CN):δ=7.87(d,J=8.3Hz,1H),7.54(d,J=7.0Hz,1H),7.50-7.36(m,3H),7.15(br d,J=1.6Hz,1H),5.35-5.16(m,2H),5.08-4.73(m,1H),4.28-4.05(m,4H), 3.88-3.21(m,4H),3.18-2.81(m,6H),2.65(td,J=6.8,9.9Hz,3H),1.87-1.80(m,4H),1.67(br dd,J=7.3,12.3Hz,2H)ppm。
实施例8:2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物8)
化合物8的具体合成路线如下:
以化合物7合成路线里中间体9叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯出发,化合物8的具体合成过程为:
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
氮气保护下在0℃把((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(185mg,1.16mmol)溶于四氢呋喃(5mL)后加入钠氢(51.1mg,1.28mmol)并在20℃反应1小时。然后加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(450mg,581umol)后在20℃反应30分钟。LCMS监测反应结束。反应液在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析得黄色固体叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(480mg,产率90.4%)。
LCMS:m/z 913.6[M+H]+
1H NMR(400MHz,CDCl3):δ=7.82(d,J=8.4Hz,1H),7.67(ddd,J=1.1,2.6,7.2Hz,1H),7.54(d,J=2.0Hz,1H),7.45-7.38(m,1H),7.30(s,1H),7.20-7.12(m,1H),5.32(s,3H),4.79-4.64(m,1H),4.22(br d,J=12.1Hz,4H),3.69-3.56(m,1H),3.54(s,3H),3.51-3.16(m,5H),3.13-2.99(m,1H),2.95-2.73(m,2H),2.53-2.10(m,4H),2.04-1.83(m,3H),1.53(s,9H),0.90-0.80(m,18H),0.61-0.45(m,3H)ppm。
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-3-(甲氧基甲基氧基)萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
氮气保护下把叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(3-(甲氧基甲基氧基)-8-((三异丙基硅)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(480mg,525umol),氟化铯(319mg,2.10mmol)溶于N,N-二甲基甲酰胺(5mL)后在60℃反应1小时。LCMS监测反应结束。反应液在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析得黄色油叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-3-(甲氧基甲基氧基)萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(350mg,产率87.9%)。
LCMS:m/z 757.4[M+H]+
1H NMR(400MHz,CDCl3):δ=8.02(s,1H),7.89-7.82(m,1H),7.62(d,J=7.1Hz,1H),7.56(d,J=2.4Hz,1H),7.46-7.37(m,1H),7.31(br d,J=9.3Hz,1H),7.22(dd,J=2.5,5.4Hz, 1H),5.52-5.31(m,3H),4.66(br s,1H),4.55-4.35(m,2H),4.31-4.21(m,1H),4.14-4.05(m,1H),3.65(br d,J=13.9Hz,1H),3.55(s,3H),3.50-3.28(m,3H),3.22-3.00(m,2H),2.61(br s,3H),2.51-2.19(m,3H),2.02(br s,4H),1.52(s,9H)ppm。
步骤十一:2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
氮气保护下把叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-3-(甲氧基甲基氧基)萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(170mg,224umol)溶于盐酸/二氧六环(3mL)后在0℃反应1小时。LCMS监测反应结束。反应液浓缩得黄色固体2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(130mg,粗品)。
LCMS:m/z 613.2[M+H]+
步骤十二:2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(76.4mg,848umol)溶于二氯甲烷(4mL)后加入草酰氯(110mg,870.0umol)并在该温度下反应10分钟,然后加入2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(130mg,212umol)溶于N,N-二甲基甲酰胺(2mL)后加入N,N-二异丙基乙胺(82.2mg,636umol)的溶液。最后在0℃反应30分钟。LCMS监测反应结束。反应液过滤送prep-HPLC和SFC分离纯化得黄色固体2-((2S)-4-(7-(8-乙炔基-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈,其中经SFC拆分得到两个目标化合物峰8A和8B,化合物8A和8B互为轴手性异构体。
8A:(8.1mg,产率5.54%),LCMS:m/z 685.5[M+H]+
1H NMR(400MHz,CD3CN):δ=7.88(d,J=8.4Hz,1H),7.58-7.48(m,2H),7.46-7.37(m,2H),7.16(d,J=2.5Hz,1H),5.38-5.17(m,3H),4.92(dt,J=4.6,7.2Hz,1H),4.30-4.03(m,5H),3.88-3.50(m,2H),3.37(br t,J=11.3Hz,1H),3.18-3.03(m,4H),2.94-2.82(m,3H),2.07-2.01(m,2H),1.91-1.70(m,4H)ppm。
8B:(7.70mg,产率5.20%),LCMS:m/z 685.4[M+H]+
1H NMR(400MHz,CD3CN):δ=7.88(d,J=8.3Hz,1H),7.57-7.41(m,3H),7.39(d,J=2.4Hz,1H),7.16(d,J=2.5Hz,1H),5.37-5.13(m,3H),5.10-4.69(m,1H),4.33-3.98(m,5H),3.79-3.26(m,3H),3.22-3.05(m,4H),3.01-2.81(m,3H),2.08-2.02(m,2H),1.92-1.78(m,4H)ppm。
实施例9:(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)氨基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物9)
化合物9的具体合成路线如下:
以中间体5号化合物出发,化合物9的具体合成过程如下:
步骤五:叔丁基(S)-4-(7-(8-氯萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(400mg,854umol),(8-氯-1-萘基)三氟硼酸钾(321mg,1.20mmol),甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(124mg,171umol)和碳酸钾(236mg,1.71mmol)溶于2.50mL二氧六环中,置换氮气三次,在110℃下搅拌5小时。LCMS监测反应结束,反应液用乙酸乙酯稀释,经盐水洗涤,有机相减压浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(7-(8-氯萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(420mg,764umol,89.4%收率)。
1H NMR(400MHz,CDCl3):δ=8.06-7.94(m,2H),7.90(d,J=8.0Hz,1H),7.78-7.72(m,1H),7.63-7.53(m,2H),7.46-7.41(m,2H),4.75-4.63(m,1H),4.49-4.41(m,2H),4.28-4.16(m,1H),3.67-3.59(m,1H),3.54-3.42(m,1H),2.91-2.74(m,2H),2.51-2.29(m,1H),1.54(s,9H)ppm。
步骤六:叔丁基(S)-4-(7-(8-氯萘-1-基)-8-氟-2-(((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)胺基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-(8-氯萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(200mg,363umol)、(四氢-1H-吡咯里嗪-7a(5H)-基)甲胺(81.5mg,581umol)和DIEA(117mg,909umol)溶于乙腈(3.00mL)中,在80℃下搅拌2小时。LCMS和TLC监测反应结束,反应液直接减压浓缩,经快速硅胶柱纯化得到叔丁基(S)-4-(7-(8-氯萘-1-基)-8-氟-2-(((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)胺基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(110mg,164umol,45.1%收率)。
1H NMR(400MHz,CDCl3):δ=8.05-7.91(m,2H),7.90-7.79(m,1H),7.71(td,J=7.6,15.6Hz,1H),7.62-7.51(m,2H),7.50-7.36(m,2H),4.70(br d,J=2.1Hz,1H),4.41-4.19(m,2H),3.68-3.40(m,3H),3.30(td,J=6.8,13.5Hz,2H),3.02-2.64(m,5H),2.13-2.02(m,2H),1.96-1.80(m,4H),1.67-1.60(m,4H),1.55-1.51(m,9H)ppm。
步骤七:(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-(((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)胺基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
将叔丁基(S)-4-(7-(8-氯萘-1-基)-8-氟-2-(((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)胺基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(100mg,149umol)溶于盐酸/1,4-二氧六环(4M,0.2mL)中,氮气置换三次,在20℃下搅拌1小时。LCMS监测反应结束,反应液减压浓缩得到(S)-2-(4-(7-(8- 氯萘-1-基)-8-氟-2-(((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)胺基)喹唑啉-4-基)哌嗪-2-基)乙腈(85.0mg,粗品)
步骤八:(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)氨基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
将2-氟丙烯酰基-2-酸(13.3mg,149umol)溶于2.00mL二氯甲烷中,在0℃下向反应液中加入草酰氯(3.03mg,23.8umol,33.7uL),后加入N,N-二甲基甲酰胺(108ug,1.49umol)并升至20℃搅拌30分钟。随后在0℃下将上述反应液滴入(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-(((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)胺基)喹唑啉-4-基)哌嗪-2-基)乙腈(85.0mg,149umol)和DIEA(192mg,1.49mmol)的N,N-二甲基甲酰胺溶液(2.00mL)中并升至20℃搅拌1小时。LCMS监测反应结束,反应液浓缩后经prep-HPLC和SFC纯化得到(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲基)氨基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(12.5mg,19.4umol,13.8%收率)。
LCMS:m/z 642.5[M+H]+
1H NMR(400MHz,CD3CN):δ=8.08(d,J=7.9Hz,1H),8.01(d,J=8.1Hz,1H),7.72-7.62(m,2H),7.62-7.57(m,1H),7.54-7.47(m,2H),7.20-7.05(m,1H),6.52(br s,1H),5.35-5.18(m,2H),5.06-4.79(m,1H),4.29(br d,J=13.4Hz,2H),4.20-3.93(m,1H),3.80-3.55(m,3H),3.54-3.35(m,3H),3.33-3.20(m,2H),3.14-3.04(m,1H),3.03-2.95(m,1H),2.94-2.81(m,2H),2.07-1.99(m,3H),1.90-1.84(m,2H),1.84-1.74(m,2H)ppm。
实施例10:2-((2S)-4-(6-氯-7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物10)
LCMS:m/z 719.2[M+H]+
实施例11:(S)-2-(4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物11)
化合物11的具体合成路线如下:
以中间体5号化合物出发,化合物11的具体合成过程如下:
步骤五:叔丁基(S)-2-(氰甲基)-4-(2,8-二氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(300mg,641umol),(8-(2-三异丙基硅基)-1-萘基)三氟硼酸钾(531mg,1.28mmol),甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(93.0mg,128umol)和碳酸钾(177mg,1.28mmol)溶于3.00mL二氧六环中,反应液氮气氛围保护,在100℃下搅拌6小时。LCMS监测反应结束,反应液减压浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(2,8-二氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(330mg,474umol,74.0%收率)。
1H NMR(400MHz,CDCl3):δ=7.95(t,J=7.6Hz,2H),7.82(br d,J=7.2Hz,1H),7.74(br dd,J=9.2,12.0Hz,1H),7.57(t,J=7.6Hz,1H),7.53-7.44(m,2H),7.41(br d,J=6.8Hz,1H),4.71(br s,1H),4.53-4.26(m,2H),4.16(br s,1H),3.91-3.29(m,3H),3.10-2.67(m,2H),1.54(br d,J=4.4Hz,9H),1.02-0.76(m,18H),0.55(quin,J=7.2Hz,3H)ppm。
步骤六:叔丁基(S)-2-(氰甲基)-4-(8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(244mg,1.72mmol)溶于10.0mL四氢呋喃中,在0℃下加入钠氢(77.6mg,1.94mmol,60.0%purity),反应液在0℃下搅拌0.5小时,将叔丁基(S)-2-(氰甲基)-4-(2,8-二氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(300mg,431umol)溶于5.00mL四氢呋喃并滴加入上述反应液中,反应液在20℃下继续搅拌1小时。LCMS监测反应结束,反应液用饱和氯化铵水溶液淬灭,乙酸乙酯萃取,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(310mg,379umol,88.0%收率)。
LCMS:m/z 817.3[M+H]+
步骤七:叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-2-(氰甲基)-4-(8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(260mg,318umol)溶于N,N-二甲基甲酰胺(10.0mL)中,加入氟化铯(145mg,955umol)。反应液在60℃下反应2小时,LCMS监测反应结束。反应液加水稀释,乙酸乙酯萃取,经盐水洗涤,干燥,有机相浓缩经快速硅胶柱纯化 得到叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(220mg,288umol,90.4%收率)。
LCMS:m/z 661.5[M+H]+
1H NMR(400MHz,CDCl3):δ=7.96(d,J=8.4Hz,2H),7.74(d,J=7.2Hz,1H),7.63-7.54(m,2H),7.49-7.41(m,2H),7.27-7.21(m,1H),4.68(br s,1H),4.46-4.22(m,4H),4.15-4.01(m,1H),3.69-3.55(m,1H),3.50-3.16(m,4H),2.88-2.54(m,5H),2.24-2.11(m,2H),2.01-1.85(m,4H),1.79-1.66(m,2H),1.53(s,9H)ppm。
步骤八:(S)-2-(4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃下向叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,303umol)中加入2.00mL盐酸/1,4-二氧六环溶液,反应液在20℃下搅拌0.5小时。LCMS监测反应结束,反应液减压浓缩得到(S)-2-(4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(180mg,粗品)。
LCMS:m/z 561.3[M+H]+
步骤九:(S)-2-(4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈的合成
将2-氟丙烯酰基-2-酸(34.7mg,385umol)溶于1.00mL二氯甲烷中,在0℃下向反应液中加入草酰氯(48.9mg,385umol,33.7uL),后加入N,N-二甲基甲酰胺(2.35mg,32.1umol,2.47uL)并搅拌0.5小时,随后将该反应液滴入(S)-2-(4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(180mg,321umol)和N,N-二异丙基乙胺(83.0mg,642umol,112uL)的N,N-二甲基甲酰胺溶液(1.00mL)中并搅拌0.5小时。LCMS监测反应结束,反应液浓缩后经prep-HPLC纯化得(S)-2-(4-(7-(8-乙炔基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈(22.9mg,36.0umol,11.2%收率)。
LCMS:m/z 633.6[M+H]+
1H NMR(400MHz,CD3CN):δ=8.07(d,J=8.4Hz,2H),7.79-7.70(m,2H),7.69-7.61(m,1H),7.56-7.47(m,2H),7.28(ddd,J=4.4,6.8,8.5Hz,1H),5.41-5.15(m,2H),4.93(br d,J=3.2Hz,1H),4.36-4.21(m,2H),4.12(s,2H),3.95-3.28(m,4H),3.12(br dd,J=7.2,18.1Hz,1H),3.04-2.81(m,4H),2.66-2.56(m,2H),2.03-1.96(m,2H),1.89-1.74(m,4H),1.71-1.58(m,2H)ppm。
实施例12:(S)-2-(4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物12)
化合物12的具体合成路线如下:
从中间体5号化合物出发,化合物12的具体合成过程如下:
步骤五:叔丁基(S)-2-(氰甲基)-4-(2,8-二氟-7-(7-氟-3-(甲氧基甲基氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(300mg,641umol),((2-氟-6-(甲氧基甲基氧基)-8-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)萘-1-基)乙炔基)三异丙基硅烷(394mg,769umol)溶于5.00mL二氧六环中,加入甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(93.3mg,128umol),碳酸钾(177mg,1.28mmol),反应液在110℃下搅拌12小时。平行投放五次反应,LCMS监测反应结束,反应液浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(2,8-二氟-7-(7-氟-3-(甲氧基甲基氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(1.05g,1.36mmol,42.4%收率)。
LCMS:m/z 774.5[M+H]+
1H NMR(400MHz,CDCl3):δ=7.80(dd,J=5.6,9.1Hz,1H),7.76-7.70(m,1H),7.51(d,J=2.4Hz,1H),7.49-7.42(m,1H),7.32(t,J=8.8Hz,1H),7.18(d,J=2.4Hz,1H),5.31(s,2H),4.71(br s,1H),3.53(s,3H),2.91-2.70(m,2H),1.54(d,J=4.4Hz,9H),1.25(s,6H),0.87-0.83(m,18H),0.54(quin,J=7.6Hz,3H)ppm。
步骤六:叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-3-(甲氧基甲基氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(493mg,3.49mmol)溶于20.0mL四氢呋喃中,在0℃加入钠氢(209mg,5.23mmol,60.0%纯度),反应液在20℃下搅拌1小时。将叔丁基(S)-2-(氰甲基)-4-(2,8-二氟-7-(7-氟-3-(甲氧基甲基氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(900mg,1.16mmol)加入反应液中,反应液在20℃下继续搅拌2小时。LCMS监测反应结束,反应液用水淬灭,乙酸乙酯萃取,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-3-(甲氧基甲基氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(0.69g,765umol,65.8%收率)。
LCMS:m/z 895.6[M+H]+
1H NMR(400MHz,CDCl3):δ=7.79(dd,J=5.6,8.8Hz,1H),7.68-7.59(m,1H),7.49(d,J=2.4Hz,1H),7.36-7.28(m,2H),7.19(t,J=2.4Hz,1H),5.30(s,2H),4.71(br dd,J=4.4,5.3Hz,1H),4.33-4.21(m,2H),3.53(d,J=0.8Hz,3H),3.36-3.11(m,2H),2.97-2.62(m,4H),2.39-2.18(m,2H),2.10-1.69(m,8H),1.69-1.58(m,4H),1.53(s,9H),0.84(td,J=4.0,7.6Hz,18H),0.53(quin,J=7.2Hz,3H)ppm。
步骤七:叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲基氧基)萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-3-(甲氧基甲基氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(580mg,648umol)溶于20.0mL N,N-二甲基甲酰胺中,向反应液中加入氟化铯(295mg,1.94mmol)。反应液在60℃下搅拌2小时。LCMS监测反应结束,反应液用乙酸乙酯萃取,盐水洗涤,有机相浓缩经快速硅胶柱得到叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲基氧基)萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(0.56g,粗品)
LCMS:m/z 739.2[M+H]+
1H NMR(400MHz,CDCl3):δ=7.87-7.77(m,1H),7.61(br d,J=8.4Hz,1H),7.51(br s,1H),7.34-7.28(m,1H),7.26-7.18(m,2H),5.31(s,2H),4.68(br d,J=1.2Hz,1H),4.51-4.26(m,4H),3.73-3.64(m,1H),3.54(s,3H),3.45(br d,J=2.8Hz,3H),3.06-2.71(m,6H),2.23(br s,2H),2.03-1.91(m,4H),1.80(br d,J=0.8Hz,3H),1.52(br s,9H)ppm。
步骤八:(S)-2-(4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃向叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲基氧基)萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(250mg,338umol)中加入盐酸/1,4-二氧六环溶液(4.00M,3.85mL),反应液在20℃下搅拌0.5小时。LCMS监测反应结束,反应液浓缩得到(S)-2-(4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(200mg,粗品,盐酸盐)。
LCMS:m/z 595.3[M+H]+
步骤九:(S)-2-(4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
将2-氟丙烯酰基-2-酸(30.3mg,336umol)溶于1.00mL二氯甲烷中,在0℃下向反应液中加入草酰氯(51.2mg,404umol,35.3uL),后加入N,N-二甲基甲酰胺(1.23mg,16.8umol,1.29uL)并搅拌30分钟,随后将该反应液滴入(S)-2-(4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(100mg,168umol)及N,N-二异丙基乙胺(109mg,841umol,146uL)的N,N-二甲基甲酰胺溶液(2.00mL)中并搅拌0.5小时。LCMS监测反应结束,反应液浓缩后经prep-HPLC及SFC拆分纯化得(S)-2-(4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(35.0mg,52.5umol,31.2%收率)。
LCMS:m/z 667.5[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=10.67(br s,1H),10.27(s,1H),9.13-8.40(m,1H),7.97(dd,J=6.0,9.1Hz,1H),7.91-7.82(m,1H),7.47(t,J=9.2Hz,1H),7.41-7.29(m,2H),7.13(s,1H),5.50-5.20(m,2H),5.01-4.69(m,1H),4.64-4.50(m,2H),4.36(br t,J=10.8Hz,2H),4.20-3.87(m,1H),3.81(s,1H),3.51(br d,J=5.2Hz,4H),3.24-3.13(m,3H),2.23-2.08(m,4H),2.06-1.95(m,4H)ppm。
实施例13:(S)-2-(4-(7-(8-乙炔基-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物13)
化合物13的具体合成路线如下:
以中间体4号化合物出发,化合物13的具体合成过程如下:
步骤四:叔丁基(S)-4-(2-氯-8-氟-7-(3-(甲氧基甲基)氧基)-8-((三异丙基硅基)-乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰基甲基)哌嗪-1-羧酸酯的合成
将叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰基甲基)哌嗪-1-甲酸酯(500mg,1.03mmol),三异丙基((6-(甲氧基甲基)氧基)-8-(4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊-2-基)萘-1-基)乙炔基)硅烷(510mg,1.03mmol)溶于水(1.25mL)和乙二醇二甲醚(12.5mL)中。加入甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(93.3mg,128umol)和碳酸钾(656mg,3.09mmol),反应液在80℃下搅拌2小时。平行投放三次反应,LCMS监测反应结束,反应液浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(2-氯-8-氟-7-(3-(甲氧基甲基)氧基)-8-((三异丙基硅基)-乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰基甲基)哌嗪-1-羧酸酯(1.40g,收率55.6%)。
1H NMR(400MHz,CDCl3):δ=7.75(d,J=8.1Hz,1H),7.65-7.56(m,2H),7.47-7.32(m,3H),7.07(d,J=2.0Hz,1H),5.24(s,2H),4.65(br s,1H),4.46-4.08(m,3H),3.77-3.64(m,1H),3.57-3.34(m,5H),3.01-2.65(m,2H),1.46(d,J=3.6Hz,9H),0.83-0.72(m,18H),0.61-0.32(m,3H)ppm。
步骤五:叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯的合成
将(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(164.5mg,1.17mmol,3eq)溶于6.00mL四氢呋喃中,在0℃加入钠氢(62.1mg,1.55mmol),反应液氮气保护,在20℃下搅拌1小时。将叔丁基(S)-4-(2-氯-8-氟-7-(3-(甲氧基甲基)氧基)-8-((三异丙基硅基)-乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰基甲基)哌嗪-1-羧酸酯(300mg,388umol)的四氢呋喃(3mL)溶液加入反应液中,反应液继续搅拌1小时。LCMS监测反应结束,反应液用水淬灭,乙酸乙酯萃取,经盐水洗涤,有机相浓缩得到叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(400mg,粗品)。
LCMS:m/z 877.8[M+H]+
步骤六:叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯的合成
将叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(270mg,331umol)溶于N,N-二甲基甲酰胺(5.0mL)中,向反应液中加入氟化铯(295mg,1.94mmol)。反应液在60℃下搅拌1小时。LCMS监测反应结束,反应液用乙酸乙酯萃取,盐水洗涤,有机相浓缩经快速硅胶柱得到叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(200mg,收率60.8%)。
LCMS:m/z 721.4[M+H]+
步骤七:(S)-2-(4-(7-(8-乙炔基-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
溶液A:在0℃,把叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-3-(甲氧基甲氧基)萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-羧酸酯(200mg,277umol)溶于盐酸二氧六环(4.00M,5.00mL)中并搅拌一小时。反应液浓缩后加入N,N-二甲基甲酰胺(2.00mL)和N,N-二异丙基乙胺(107mg,832umol,144uL)。
溶液B:在0℃把2-氟丙烯酸(30.0mg,332umol)溶于二氯甲烷(1.00mL)和N,N-二甲基甲酰胺(0.1mL)中,加入草酰氯(52.8mg,416umol)并在该温度下反应20分钟,后在0℃反应10分钟。在0℃将溶液B加入溶液A并搅拌20分钟。LCMS监测反应结束。反应液过滤经prep-HPLC分离纯化得到(S)-2-(4-(7-(8-乙炔基-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(16mg,收率8.71%)。
LCMS:m/z 649.5[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=10.53-9.54(m,1H),7.92(s,1H),7.82(dd,J1=8.5,J2=13.6Hz,1H),7.50-7.39(m,2H),7.32(d,J=2.5Hz,1H),7.29-7.23(m,1H),7.06-7.02(m,1H),5.51-5.22(m,2H),5.09-4.63(m,1H),4.36-4.21(m,2H),4.03(s,2H),3.59-3.46(m,3H),3.45-3.39(m,2H),3.17-3.04(m,1H),2.99-2.88(m,2H),2.58-2.53(m,2H),1.96-1.86(m,2H),1.85-1.70(m,5H),1.58(td,J1=7.5,J2=11.9Hz,2H)ppm。
实施例14:(S)-2-(4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物14)
化合物14的具体合成路线如下:
从中间体4号化合物出发,化合物14的具体合成过程如下:
步骤四:叔丁基(S)-4-(2-氯-8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰基甲基)哌嗪-1-甲酸酯(100mg,206umol),2-(2-氟-8-(4,4,5,5-四甲基-1,3,2-嚬哪醇硼酸酯-2-基)-1-萘)乙炔基-三异丙基硅烷(93.3mg,206umol)溶于1.00mL二氧六环和0.2mL水中,向反应液中加入甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(30.1mg,41.3umol)和碳酸钾(57.0mg,413umol)。反应液于氮气氛围下在80℃下反应2小时。平行投放十次反应,LCMS和TLC监测反应结束,反应液减压浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(2-氯-8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(1.12g,1.53mmol,74.3%收率)。
LCMS:m/z 730.1[M+H]+
1H NMR(400MHz,CDCl3):δ=7.98-7.86(m,2H),7.75-7.65(m,1H),7.57-7.46(m,2H),7.43(br d,J=7.1Hz,1H),7.39-7.33(m,1H),4.72(br s,1H),4.55-4.02(m,3H),3.65-3.41(m,2H),3.07-2.72(m,2H),1.88-1.85(m,1H),1.54(d,J=4.3Hz,9H),0.90-0.78(m,18H),0.53(quin,J=7.5Hz,3H)ppm。
步骤五:叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(2-氯-8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(500mg,685umol),(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(193mg,1.37mmol)溶于2.00mL四氢呋喃中,加入双(三甲基硅基)氨基钠(1.00M,1.37mL)。反应液在40℃下反应2小时。LCMS和TLC监测反应结束。反应液在0℃下用饱和氯化铵水溶液淬灭,乙酸乙酯萃取,有机相经减压浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(310mg,371umol,54.2%收率)。
LCMS:m/z 835.5[M+H]+
1H NMR(400MHz,CDCl3):δ=7.98-7.84(m,2H),7.64(br d,J=8.6Hz,1H),7.57-7.50(m,1H),7.47-7.41(m,1H),7.38-7.30(m,2H),4.76-4.51(m,3H),4.29(br d,J=10.0Hz,2H),3.96-3.83(m,1H),3.69-3.17(m,4H),2.99-2.84(m,3H),2.50-2.30(m,2H),2.24-2.10(m,2H),2.01-1.90(m,2H),1.68(br s,4H),1.52(br d,J=1.5Hz,9H),0.89-0.78(m,18H),0.64-0.45(m,3H)ppm。
步骤六:叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(300mg,359umol)溶于2.00mL的N,N-二甲基甲酰胺溶液中,加入氟化铯(164mg,1.08mmol)。反应液在60℃下反应2小时。LCMS和TLC监测反应结束。反应液用乙酸乙酯萃取,盐水洗涤,干燥,合并有机相减压浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(240mg,354umol,98.4%收率)。
LCMS:m/z 679.4[M+H]+
1H NMR(400MHz,CDCl3):δ=7.98-7.90(m,2H),7.60(d,J=8.4Hz,1H),7.56-7.51(m,1H),7.48(br d,J=7.3Hz,1H),7.35(t,J=8.8Hz,1H),7.23(br dd,J=1.0,6.5Hz,1H),4.75-4.63(m,1H),4.33-4.22(m,3H),3.80-3.71(m,2H),3.20-3.07(m,2H),2.98-2.79(m,4H),2.70 -2.59(m,2H),2.11(td,J=6.0,12.3Hz,2H),1.93-1.81(m,6H),1.71-1.65(m,2H),1.53(s,9H)ppm。
步骤七:(S)-2-(4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃下向叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,295umol)中滴加盐酸二氧六环(4.00M,4.00mL)。反应液在0℃下反应0.5小时。LCMS监测反应结束。反应液经减压浓缩得到(S)-2-(4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(200mg,粗品)。
LCMS:m/z 579.3[M+H]+
步骤八:(S)-2-(4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈的合成
将2-氟丙烯酸(31.1mg,346umol)溶于4.00mL二氯甲烷中,在0℃下滴加草酰氯(52.7mg,415umol),随后滴加N,N-二甲基甲酰胺(2.53mg,34.6umol),反应液在0℃下搅拌0.5小时,后将上述反应液逐滴加入(S)-2-(4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(200mg,346umol),二异丙基乙胺(134mg,1.04mmol)的2.00mL N,N-二甲基甲酰胺溶液中。反应液在0℃下搅拌0.5小时。LCMS监测反应结束。反应液减压浓缩经prep-HPLC纯化得到(S)-2-(4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈(100mg,152umol,44.1%收率,99.2%纯度)。
LCMS:m/z 651.5[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=8.27-8.14(m,2H),7.86(t,J=9.5Hz,1H),7.72-7.53(m,3H),7.32(t,J=7.5Hz,1H),5.49-5.21(m,2H),5.02-4.70(m,1H),4.32(br t,J=12.1Hz,4H),3.91(s,1H),3.67-3.36(m,3H),3.30-2.70(m,6H),2.27-1.52(m,9H)ppm。
实施例15:2-((S)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物15)
化合物15的具体合成路线如下:
以中间体4号化合物出发,化合物15的具体合成过程如下:
步骤四:叔丁基(S)-4-(2-氯-8-氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(400mg,825umol),三异丙基((8-(4,4,5,5-四甲基-1,3,2-嚬哪醇硼酸酯-2-基)萘-1-基)乙炔基)硅烷(537mg,1.24mmol),甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(120mg,165umol)和碳酸钾(228mg,1.65mmol)溶于1,4-二氧六环(3mL)和水(0.1mL)中,氮气置换三次,反应液在80℃ 下搅拌5小时,LCMS和TLC监测反应结束,反应液加水和乙酸乙酯萃取,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(2-氯-8-氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(800mg,1.12mmol,68.0%收率)。
1H NMR(400MHz,CDCl3):δ=7.95(t,J=8.2Hz,2H),7.85-7.79(m,1H),7.73-7.66(m,1H),7.57(t,J=7.7Hz,1H),7.53-7.46(m,2H),7.41(br d,J=7.1Hz,1H),4.72(br s,1H),4.52-4.26(m,2H),3.68-3.42(m,2H),3.07-2.70(m,2H),1.93(s,2H),1.25(s,9H),0.88-0.84(m,18H),0.53(quin,J=7.4Hz,3H)ppm。
步骤五:叔丁基(S)-2-(氰甲基)-4-(8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将LiHMDS的四氢呋喃(1M,2.29mL)滴加到叔丁基(S)-4-(2-氯-8-氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(800mg,1.12mmol)和((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(250mg,1.57mmol)的四氢呋喃(8mL)中,置换氮气,反应液在65℃下搅拌4小时,LCMS和TLC监测反应结束,饱和氯化铵水溶液淬灭,乙酸乙酯萃取,有机相浓缩经柱层析纯化后得到叔丁基(S)-2-(氰甲基)-4-(8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(700mg,838umol,74.6%收率)。
1H NMR(400MHz,CDCl3):δ=7.94(dd,J=2.9,8.1Hz,2H),7.81(d,J=7.1Hz,1H),7.65-7.52(m,2H),7.50-7.44(m,1H),7.40(d,J=6.9Hz,1H),7.36-7.29(m,1H),5.45-5.17(m,1H),4.81-4.61(m,1H),4.40-4.31(m,1H),4.30-4.04(m,4H),3.57(dd,J=3.9,13.8Hz,1H),3.44(br dd,J=3.8,13.4Hz,1H),3.33-3.14(m,4H),3.05-2.84(m,2H),2.80(br d,J=7.0Hz,1H),2.38-2.12(m,3H),2.03-1.88(m,3H),1.54(d,J=2.4Hz,9H),0.84(dt,J=3.0,7.2Hz,18H),0.54(qd,J=7.4,14.9Hz,3H)ppm。
步骤六:叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-2-(氰甲基)-4-(8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(600mg,718umol)和氟化铯(327 mg,2.16mmol)加到DMF中(10mL),置换氮气三次,反应液在80℃下搅拌3小时。LCMS和TLC监测反应结束,反应液用乙酸乙酯稀释,卤水洗涤,有机相浓缩后经柱层析得到叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(400mg,589umol,82.0%收率)。
1H NMR(400MHz,CDCl3):δ=7.97(d,J=8.1Hz,2H),7.75(td,J=1.3,7.1Hz,1H),7.62-7.52(m,2H),7.50-7.42(m,2H),7.29(d,J=1.9Hz,1H),5.46-5.16(m,1H),4.82-4.57(m,1H),4.49-4.25(m,3H),4.25-4.17(m,1H),3.70-3.54(m,1H),3.51-3.33(m,2H),3.32-3.11(m,3H),3.05-2.94(m,1H),2.93-2.72(m,2H),2.64-2.47(m,1H),2.36-2.11(m,3H),1.99-1.79(m,4H),1.53(s,9H)ppm。
步骤七:2-((S)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃下,将叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,294umol)溶于盐酸/1,4-二氧六环(4M,3mL)中,反应液在该温度下继续反应1小时。LCMS监测反应结束,反应液经三乙胺淬灭至pH=8,并直接用于下一步。
步骤八:2-((S)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
在0℃下将草酰氯(372mg,2.94mmol)滴加到2-氟丙烯酰基-2-酸(264mg,2.94mmol)的二氯甲烷(2.00mL)中,随后加入N,N-二甲基甲酰胺(214ug,2.94umol)并升至20℃搅拌1小时。随后在0℃下将上述反应液滴入2-((S)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(170mg,293umol)和DIEA(379mg,2.94mmol)的N,N-二甲基甲酰胺溶液(2.00mL)中并升至20℃搅拌1小时。LCMS监测反应结束,反应液浓缩后加入2mL DMF,过滤,滤液经prep-HPLC和SFC纯化得到2-((S)-4-(7-(8-乙炔基萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(60.0mg,91.6umol,31.2%收率)。
LCMS:m/z 651.5[M+H]+
1H NMR(400MHz,CD3OD):δ=8.03(ddd,J=1.0,3.3,8.2Hz,2H),7.83(dd,J=1.5,8.6Hz,1H),7.71(d,J=7.1Hz,1H),7.66-7.57(m,1H),7.53-7.43(m,2H),7.32(ddd,J=2.4,6.5,8.7Hz,1H),5.48-5.18(m,3H),5.06-4.92(m,1H),4.62-4.40(m,2H),4.36-3.95(m,3H),3.90-3.52(m,3H),3.29-3.17(m,3H),3.17-3.13(m,1H),3.12-2.94(m,3H),2.45-2.27(m,1H),2.26-2.07(m,2H),2.05-1.86(m,3H)ppm。
实施例16:2-((S)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物16)
化合物16的具体合成路线如下:
以中间体4号化合物出发,化合物16的具体合成过程如下:
步骤四:叔丁基(S)-4-(2-氯-8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2-氯-8-氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(100mg,206umol),2-(2-氟-8-(4,4,5,5-四甲基-1,3,2-嚬哪醇硼酸酯-2-基)-1-萘)乙炔基-三异丙基硅烷(93.3mg,206umol)溶于1.00mL二氧六环和0.2mL水中,向反应液中加入甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(30.1mg,41.3umol)和碳酸钾(57.0mg,413umol)。反应液于氮气氛围下在80℃下反应2小时,平行十次投放,LCMS和TLC监测反应结束,反应液减压浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(2-氯-8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(1.12g,1.53mmol,74.3%收率)。
LCMS:m/z 730.1[M+H]+
1H NMR(400MHz,CDCl3):δ=7.98-7.86(m,2H),7.75-7.65(m,1H),7.57-7.46(m,2H),7.43(br d,J=7.1Hz,1H),7.39-7.33(m,1H),4.72(br s,1H),4.55-4.02(m,3H),3.65-3.41(m,2H),3.07-2.72(m,2H),1.88-1.85(m,1H),1.54(d,J=4.3Hz,9H),0.90-0.78(m,18H),0.53(quin,J=7.5Hz,3H)ppm。
步骤五:叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(2-氯-8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(400mg,548umol),((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(174mg,1.10mmol)溶于10.0mL四氢呋喃中,加入双(三甲基硅基)氨基钠(1.00M,1.10mL)。反应液在40℃下反应2小时。LCMS和TLC监测反应结束。反应液在0℃下用饱和氯化铵水溶液淬灭,乙酸乙酯萃取,有机相经减压浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(320mg,375umol,68.5%收率)。
1H NMR(400MHz,CDCl3):δ=7.98-7.87(m,2H),7.66-7.57(m,1H),7.56-7.50(m,1H),7.43(d,J=7.0Hz,1H),7.38-7.32(m,2H),5.44-5.17(m,1H),4.71(br s,1H),4.43-4.16(m,4H),3.64-3.39(m,2H),3.37-3.12(m,3H),2.99(br d,J=3.9Hz,1H),2.90-2.73(m,2H),2.31-2.10(m,3H),2.00-1.82(m,5H),1.54(d,J=2.4Hz,9H),0.85(dt,J=3.0,7.6Hz,18H),0.54(qd,J=7.4,14.8Hz,3H)ppm。
步骤六:叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-2-(氰甲基)-4-(8-氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(310mg,363umol)溶于6.00mL的N,N-二甲基甲酰胺溶液中,加入氟化铯(166mg,1.09mmol)。反应液在60℃下反应2小时。LCMS和TLC监测反应结束。反应液用乙酸乙酯萃取,盐水洗涤,干燥,合并有机相减压浓缩经快速硅胶柱纯化得到叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(0.24g,344umol,94.8%收率)。
1H NMR(400MHz,CDCl3):δ=7.90-7.84(m,2H),7.53(d,J=8.6Hz,1H),7.50-7.44(m,1H),7.42-7.37(m,1H),7.30-7.24(m,1H),7.16(s,1H),5.32-5.10(m,1H),4.67-4.53(m,1H),4.34-3.95(m,5H),3.72-3.63(m,1H),3.56-3.47(m,1H),3.40-3.07(m,5H),2.91(br s,1H),2.74-2.66(m,1H),2.27-2.05(m,3H),1.91-1.77(m,4H),1.45(s,9H)ppm。
步骤七:2-((S)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃下向叔丁基(S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,287umol)中滴加盐酸/二氧六环(4.00M,4.00mL)。反应液在20℃下反应0.5小时。LCMS监测反应结束。反应液经减压浓缩得到2-((S)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(200mg,粗品)。
LCMS:m/z 597.3[M+H]+
步骤八:2-((S)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
将2-氟丙烯酸(30.2mg,335umol)溶于4.00mL二氯甲烷中,在0℃下滴加草酰氯(51.1mg,402umol),随后滴加N,N-二甲基甲酰胺(2.45mg,33.5umol),反应液在0℃下搅拌0.5小时,后将上述反应液逐滴加入2-((S)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(200mg,335umol),二异丙基乙胺(130mg,1.01mmol)的2.00mL N,N-二甲基甲酰胺溶液中。反应液在0℃下搅拌0.5小时。LCMS监测反应结束。反应液减压浓缩经prep-HPLC纯化得到2-((S)-4-(7-(8-乙炔基-7-氟萘-1-基)-8-氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(110mg,163umol,48.7%收率)。
LCMS:m/z 669.5[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=8.26-8.14(m,2H),7.84(t,J=9.4Hz,1H),7.71-7.53(m,3H),7.33-7.25(m,1H),5.49-5.31(m,2H),5.28-5.17(m,1H),5.03-4.72(m,1H),4.36-4.22(m,2H),4.13-4.08(m,1H),4.05-3.99(m,1H),3.91(d,J=5.9Hz,1H),3.60-3.48(m,1H),3.46-3.35(m,1H),3.30-3.23(m,1H),3.17-3.00(m,4H),2.87-2.78(m,1H),2.49-2.45(m,2H),2.17-1.96(m,3H),1.89-1.71(m,3H)ppm。
实施例17:(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物17)
化合物17的具体合成路线如下:

以中间体5号化合物出发,化合物17的具体合成过程如下:
步骤五:叔丁基(S)-4-(7-(8-氯萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(400mg,854umol),(8-氯-1-萘基)三氟硼酸钾(321mg,1.20mmol),甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(124mg,171umol)和碳酸钾(236mg,1.71mmol)溶于2.50mL二氧六环中,置换氮气三次,在110℃下搅拌5小时。LCMS监测反应结束,反应液用乙酸乙酯稀释,经盐水洗涤,有机相减压浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(7-(8-氯萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(420mg,764umol,89.4%收率)。
1H NMR(400MHz,CDCl3):δ=8.06-7.94(m,2H),7.90(d,J=8.0Hz,1H),7.78-7.72(m,1H),7.63-7.53(m,2H),7.46-7.41(m,2H),4.75-4.63(m,1H),4.49-4.41(m,2H),4.28-4.16(m,1H),3.67-3.59(m,1H),3.54-3.42(m,1H),2.91-2.74(m,2H),2.51-2.29(m,1H),1.54(s,9H)ppm。
步骤六:叔丁基(S)-4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
将(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(205mg,1.45mmol)溶于10.0mL四氢呋喃中,在0℃下加入钠氢(65.5mg,1.64mmol,60.0%purity),反应液在0℃下搅0.5小时。将叔丁基(S)-4-(7-(8-氯萘-1-基)-2,8-二氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(200mg,364umol)溶于2.00mL四氢呋喃并滴加入反应液中,反应液在20℃下继续搅拌1小时。LCMS监测反应结束,反应液用饱和氯化铵水溶液淬灭,乙酸乙酯萃取,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(S)-4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(0.17g,185umol,50.8%收率)。
LCMS:m/z 671.2[M+H]+
1H NMR(400MHz,CDCl3):δ=8.31-8.05(m,1H),7.97(br d,J=7.2Hz,1H),7.94-7.85(m,1H),7.79-7.49(m,3H),7.46-7.41(m,1H),7.26-7.21(m,1H),4.76-4.65(m,1H),4.42-4.26(m,3H),3.72-3.33(m,4H),2.99-2.60(m,4H),2.44-2.09(m,3H),2.03-1.84(m,4H),1.81-1.68(m,2H),1.60(br s,2H),1.57-1.51(m,9H)ppm。
步骤七:(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃下向叔丁基(S)-4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(150mg,223umol)中加入2.00mL盐酸/1,4-二氧六环,反应液在0℃下搅拌0.5小时。LCMS监测反应结束,反应液减压浓缩得到(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(150mg,粗品)
LCMS:m/z 571.3[M+H]+
步骤八:(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
将2-氟丙烯酰基-2-酸(44.2mg,490umol)溶于2.00mL二氯甲烷中,在0℃下向反应液中加入草酰氯(74.7mg,588umol,51.5uL),后加入N,N-二甲基甲酰胺(1.79mg,24.5umol,1.89uL)并搅拌30分钟,随后将该反应液滴入(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(140mg,245umol)及N,N-二异丙基乙胺(95.1mg,735umol,128uL)的N,N-二甲基甲酰胺溶液(2.00mL)中并搅拌0.5小时。LCMS监测反应结束, 反应液浓缩后经prep-HPLC纯化得(S)-2-(4-(7-(8-氯萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(31.0mg,47.7umol,19.5%收率)。
LCMS:m/z 643.5[M+H]+
1H NMR(400MHz,(CD3)2SO):δ=8.22-8.07(m,2H),7.89(dd,J=4.8,8.4Hz,1H),7.78-7.60(m,2H),7.59-7.48(m,2H),7.38-7.28(m,1H),5.49-5.20(m,2H),5.06-4.74(m,1H),4.38-4.25(m,2H),4.08(br s,4H),3.62-3.44(m,2H),3.13-2.92(m,3H),2.63-2.56(m,2H),2.02-1.53(m,9H)ppm。
实施例18:2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物18)
化合物18的具体合成路线如下:
以中间体6号化合物出发,化合物18的具体合成过程如下:
步骤八:叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
氮气保护下把叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(100mg,205umol),三异丙基((8-三氟硼酸钾-2-基)萘-1-基)乙炔基)硅烷(200mg,482umol),甲磺酰氧基(二金刚烷基-正丁基膦基)-2-氨基-1,1-联苯-2-基)钯(II)(29.9mg,41.1umol),碳酸钾(100mg,723umol)溶于二氧六环(2.5mL)和水(0.25mL),在85℃反应2小时。LCMS监测反应结束。反应液浓缩柱层析得黄色固体叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(340mg,收率57.9%)。
LCMS:m/z 713.3[M+H]+
1H NMR(400MHz,CDCl3)δ=8.04-7.92(m,2H),7.82(d,J=7.1Hz,1H),7.60(t,J=7.7Hz,1H),7.53-7.40(m,3H),4.71(br d,J=2.0Hz,1H),4.39-4.05(m,3H),3.76-3.51(m,2H),3.49-3.16(m,1H),3.06-2.73(m,2H),1.56-1.51(m,9H),0.91-0.82(m,18H),0.63-0.50(m,3H)ppm。
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
氮气保护下在0℃把(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(201mg,1.43mmol)溶于四氢呋喃(6mL)后加入钠氢(59.1mg,1.48mmol)后,该反应液在20℃反应1小时后加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(340mg,476umol)并反应30分钟。LCMS监测反应结束。反应液在0℃加水,乙酸乙酯萃取,食盐水洗,干燥,过滤浓缩,柱层析得白色固体叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(250mg,产率62.8%)。
LCMS:m/z 835.4[M+H]+
1H NMR(400MHz,CDCl3)δ=7.96(br dd,J1=8.2,J2=18.2Hz,2H),7.81(br d,J=7.1Hz,1H),7.58(t,J=7.6Hz,1H),7.51-7.40(m,2H),7.35-7.28(m,1H),4.77-4.62(m,1H),4.55-4.29(m,2H),4.26-4.11(m,3H),3.87-3.60(m,1H),3.59-3.40(m,2H),3.35-3.14(m,2H),2.94 -2.52(m,4H),2.29-2.13(m,2H),1.96(br s,3H),1.85-1.67(m,3H),1.53(s,9H),0.91-0.82(m,18H),0.61-0.48(m,3H)ppm。
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在氮气保护下把叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(250mg,299umol),氟化铯(181mg,1.20mmol)溶于N,N-二甲基甲酰胺(3mL)后在60℃反应1小时。LCMS监测反应结束。反应液加水淬灭,乙酸乙酯萃取,食盐水洗,干燥,过滤浓缩,柱层析得淡黄色固体叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(130mg,产率63.9%)。
LCMS:m/z 679.4[M+H]+
1H NMR(400MHz,CDCl3)δ=7.99(dd,J1=8.0,J2=14.4Hz,2H),7.76(dd,J1=1.0,J2=7.1Hz,1H),7.61(t,J=7.6Hz,1H),7.50-7.44(m,2H),7.33-7.29(m,1H),4.68(br d,J=1.8Hz,1H),4.47-4.22(m,4H),4.12-4.01(m,1H),3.72-3.62(m,1H),3.55-3.23(m,4H),3.02-2.90(m,1H),2.84-2.59(m,4H),2.27-2.13(m,2H),1.96(br s,4H),1.80-1.73(m,2H),1.53(s,9H)ppm。
步骤十一:2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
把叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(130mg,191umol)溶于盐酸/二氧六环(10mL)后在0℃反应30分钟。LCMS监测反应结束。反应液浓缩得黄色固体2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(110mg,粗品)。
LCMS:m/z 579.3[M+H]+
步骤十二:2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(58.3mg,648umol)溶于二氯甲烷(4mL)后加入草酰氯(84.3mg,664umol)并在该温度下反应10分钟,然后加入2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(11.0mg,162umol)溶于N,N-二甲基甲酰胺(2mL)后加入N,N-二异丙基乙胺(41.8mg,324umol)的溶液,所得混合物在0℃下搅拌30分钟。LCMS监测反应结束。反应液过滤送prep-HPLC和SFC分离纯化得白色固体2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈。其中经SFC拆分得到两个目标化合物峰18A和18B。化合物18A和18B互为轴手性异构体。
18A:(7.80mg,产率7.12%),LCMS:m/z 651.5[M+H]+
1H NMR(400MHz,CD3CN):δ=8.11(ddd,J1=0.9,J2=8.3,J3=12.2Hz,2H),7.78(dd,J1=1.1,J2=7.1Hz,1H),7.72-7.65(m,1H),7.59-7.48(m,3H),5.36-5.18(m,2H),5.12-4.71(m,1H),4.30-4.04(m,5H),3.79-3.47(m,2H),3.44-3.32(m,1H),3.14(br dd,J1=8.1,J2=17.3Hz,1H),3.01-2.92(m,3H),2.90(s,1H),2.59(td,J1=6.7,J2=9.9Hz,2H),1.90-1.72(m,6H),1.62(td,J1=7.4,J2=12.1Hz,2H)ppm。
18B:(6.70mg,产率6.24%),LCMS:m/z 651.5[M+H]+
1H NMR(400MHz,CD3CN):δ=8.11(ddd,J1=1.1,J2=8.3,J3=12.1Hz,2H),7.78(dd,J1=1.3,J2=7.1Hz,1H),7.69(dd,J1=7.2,J2=8.2Hz,1H),7.59-7.50(m,3H),5.37-5.17(m,2H),5.03-4.64(m,1H),4.33-4.05(m,5H),3.89-3.52(m,2H),3.42-3.30(m,1H),3.12(br dd,J1=7.4,J2=17.4Hz,1H),3.03-2.94(m,3H),2.90(dd,J1=6.8,J2=17.2Hz,1H),2.61(td,J1=6.7,J2=10.1Hz,2H),1.92-1.74(m,6H),1.69-1.59(m,2H)ppm。
实施例19:2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物19)
化合物19的具体合成路线如下所示:
以中间体6号化合物出发,化合物19的具体合成过程如下:
步骤八:叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(220mg,452umol)溶于3.00mL二氧六环和0.30mL水中,加入碳酸钾(188mg,1.36mmol)和甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(65.9mg,90.4umol)。反应液在80℃下反应3小时。LCMS监测反应结束。反应液浓缩经快速硅胶柱纯化叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(230mg,253umol,56.0%收率,80.7%纯度)。
LCMS:m/z 732.5[M+H]+
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在0℃氮气保护下把(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(277mg,1.97mmol)溶于四氢呋喃(10.0mL)后加入钠氢(80.67mg,2.02mmol,60%purity)后在20℃反应1小时。然后加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(360mg,491.87umol)后反应2小时。LCMS监测反应结束。反应液在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析纯化得到叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(250mg,250.85umol,51.0%收率)。
LCMS:m/z 853.4[M+H]+
1H NMR(400MHz,CDCl3):δ=7.99-7.90(m,2H),7.58-7.53(m,1H),7.46(br d,J=7.0Hz,1H),7.37-7.32(m,1H),4.77-4.67(m,1H),4.38-4.18(m,4H),3.53-3.40(m,2H),3.31-3.03(m,4H),2.92-2.77(m,2H),2.75-2.58(m,3H),2.07-2.03(m,2H),1.95-1.65(m,10H),1.54(d,J=3.2Hz,9H),0.91-0.83(m,18H),0.62-0.48(m,3H)。
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里啉-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(250mg,293umol)溶于5.00mL N,N-二甲基甲酰胺溶液中,加入氟化铯(178mg,1.17mmol)。反应液在60℃下反应1小时。LCMS监测反应结束。反应液加水稀释,乙酸乙酯萃取,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,253umol,86.4%收率)。
LCMS:m/z 697.4[M+H]+
步骤十一:2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃将叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(300mg,322umol)溶于3.00mL盐酸/二氧六环溶液中。反应液在20℃下反应0.5小时。LCMS监测反应结束。反应液浓缩后得到2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(171mg,粗品)。
LCMS:m/z 597.2[M+H]+
步骤十二:2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(103mg,1.15mmol,4.00eq)溶于二氯甲烷(4.00mL)后加入草酰氯(149mg,1.18mmol,102uL,4.10eq)并在该温度下反应10分钟,然后加入2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(171mg,286umol,1.00eq)溶于N,N-二甲基甲酰胺(1.00mL)后加入N,N-二异丙基乙胺(111mg,859umol,149uL,3.00eq)的溶液,所得混合物在0℃下搅拌30分钟。LCMS监测反应结束。反应液过滤,滤液prep-HPLC和SFC分离纯化得黄色固体2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈。其中经过SFC拆分得到两个目标化合物峰19A和19B。化合物19A和19B互为轴手性异构体。
19A:(15.7mg,产率8.39%),LCMS:m/z 669.5[M+H]+,SFC:100ee%。
1H NMR(400MHz,CD3CN):δ=8.16-8.11(m,2H),7.71-7.65(m,1H),7.64-7.60(m,1H),7.54-7.43(m,2H),5.37-5.17(m,2H),5.05-4.79(m,1H),4.31-4.21(m,2H),4.11(s,2H),3.57-3.48(m,1H),3.46-3.34(m,1H),3.23-3.08(m,2H),3.03-2.91(m,3H),2.60(td,J=6.7,9.9Hz,2H),2.11(br d,J=2.3Hz,4H),1.87-1.77(m,4H),1.69-1.57(m,2H)ppm。
19B:(16.6mg,产率8.86%),LCMS:m/z 669.5[M+H]+,SFC:97.4ee%。
1H NMR(400MHz,CD3CN):δ=8.16-8.10(m,2H),7.70-7.65(m,1H),7.64-7.60(m,1H),7.54(dd,J=1.6,9.8Hz,1H),7.47(t,J=9.0Hz,1H),5.37-5.17(m,2H),5.04-4.82(m,1H),4.30-4.15(m,2H),4.11(s,2H),3.59(br d,J=13.2Hz,1H),3.43-3.30(m,1H),3.27(d,J=0.6Hz, 1H),3.17-3.07(m,1H),3.01-2.86(m,3H),2.60(td,J=6.8,9.9Hz,2H),2.07(br s,4H),1.85-1.76(m,4H),1.67-1.59(m,2H)。
实施例20:2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物20)
化合物20的具体合成路线如下:
从中间体6号化合物出发,化合物20的具体合成过程如下:
步骤八:叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(1.00g,2.06mmol,1eq)和(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)三氟硼酸钾溶于12.0mL二氧六环和1.20mL水中,加入碳酸钾(852mg,6.17mmol,3eq)和甲烷磺酸(二金刚烷基-N-丁基膦基)-2'-氨基-1,1'-二联苯-2-基)钯(II)(299mg,411umol,0.2eq)。反应液在80℃下反应3小时。LCMS监测反应结束。反应液浓缩经快速硅胶柱纯化叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(1.10g,1.39mmol,67.5%收率)。
LCMS:m/z 792.8[M+H]+
1H NMR:(400MHz,CDCl3):δ=7.81(dd,J=5.7,8.8Hz,1H),7.59-7.50(m,1H),7.49-7.38(m,1H),7.32(t,J=8.6Hz,1H),7.21(br s,1H),5.31(s,2H),4.75-4.64(m,1H),4.77-4.42(m,1H),4.39-4.17(m,3H),3.98-3.66(m,2H),3.54(s,3H),2.89-2.69(m,2H),1.54(br d,J=6.6Hz,9H),0.91-0.83(m,18H),0.65-0.44(m,3H)。
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在0℃氮气保护下把(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(356mg,2.53mmol,4eq)溶于四氢呋喃(10.0mL)后加入钠氢(103mg,2.59mmol,60.0%purity,4.1eq)在20℃反应1小时。然后加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(500mg,631umol,1eq)反应2小时。LCMS监测反应结束。反应液在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析纯化得到叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(380mg,416umol,65.9%收率)。
LCMS:m/z 913.5[M+H]+
1H NMR:(400MHz,CDCl3):δ=7.80(dd,J=5.6,8.6Hz,1H),7.53(d,J=2.4Hz,1H),7.34-7.29(m,2H),7.21(d,J=2.4Hz,1H),5.31(s,2H),4.78-4.66(m,1H),4.54-4.15(m,4H),3.53(s,3H),3.44-3.04(m,3H),3.04-2.55(m,4H),2.33-2.11(m,2H),2.01-1.59(m,9H),1.53(d,J=1.6Hz,9H),0.92-0.81(m,18H),0.63-0.47(m,3H)ppm。
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
将叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-(三异丙基硅基)乙炔基)萘-1-基)-2-(四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(380mg,416umol,1eq)溶于5.00mL N,N-二甲基甲酰胺溶液中,加入氟化铯(252mg,1.66mmol,61.3uL,4eq)。反应液在60℃下反应1小时。LCMS监测反应结束。反应液加水稀释,乙酸乙酯萃取,经盐水洗涤,有机相浓缩经快速硅胶柱纯化得到叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(360mg,330umol,79.3%收率)。
LCMS:m/z 757.3[M+H]+
1H NMR:(400MHz,CDCl3):δ=7.83(dd,J=5.8,9.0Hz,1H),7.55(d,J=2.4Hz,1H),7.36-7.28(m,2H),7.26(br s,1H),5.32(s,2H),4.67(br s,1H),4.59-4.20(m,4H),3.86-3.60(m,2H),3.54(s,3H),3.51-3.41(m,2H),3.12-2.95(m,2H),2.90-2.76(m,3H),2.53-2.21(m,4H),2.03-1.79(m,6H),1.52(s,9H)ppm。
步骤十一:2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在0℃将叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(260mg,343umol,1eq)溶于5.00mL盐酸/二氧六环溶液中。反应液在20℃下反应0.5小时。LCMS监测反应结束。反应液浓缩后得到2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(210mg,粗品)。
LCMS:m/z 613.1[M+H]+
步骤十二:2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(41.1mg,457umol l,4.00eq)溶于二氯甲烷(2.00mL)后加入草酰氯(59.4mg,468umol,41.0uL,4.10eq)并在该温度下反应10分钟,然后加入2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(70.0mg,114umol,1.00eq)溶于N,N-二甲基甲酰胺(1.00mL)后加入N,N-二异丙基乙胺(44.3mg,342umol,59.7uL,3.00eq)的溶液,所得混合物在0℃下搅拌30分钟。LCMS监测反应结束。反应液过滤,滤液prep-HPLC和SFC分离纯化得黄色固体2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈。其中经SFC拆分得到两个目标化合物峰20A和20B。化合物20A和20B互为轴手性异构体。
20A:(5.3mg,产率6.80%),LCMS:m/z 685.6[M+H]+,SFC:97.1ee%。
1H NMR(400MHz,CD3CN):δ=7.91(dd,J=5.8,9.1Hz,1H),7.50(br d,J=10.0Hz,1H),7.41(d,J=2.1Hz,1H),7.37(t,J=9.0Hz,1H),7.21(d,J=1.8Hz,1H),5.37-5.18(m,2H),5.02-4.83(m,1H),4.32-4.20(m,2H),4.11(s,2H),3.55-3.46(m,1H),3.44-3.31(m,1H),3.21-3.05(m,2H),3.02-2.92(m,3H),2.60(td,J=6.8,9.9Hz,2H),2.11-2.10(m,4H),1.85-1.81(m,4H),1.66-1.61(m,2H)ppm。
20B:(5.7mg,产率7.30%),LCMS:m/z 685.6[M+H]+,SFC:98.7ee%。
1H NMR(400MHz,CD3CN):δ=7.91(dd,J=5.8,9.1Hz,1H),7.53(dd,J=1.5,9.8Hz,1H),7.41(d,J=2.4Hz,1H),7.36(t,J=9.0Hz,1H),7.20(d,J=2.0Hz,1H),5.37-5.18(m,2H),5.02-4.79(m,1H),4.30-4.18(m,2H),4.16(s,2H),3.64-3.51(m,1H),3.45-3.32(m,1H),3.24-3.00(m,4H),2.89(br dd,J=6.8,17.1Hz,1H),2.67-2.62(m,2H),2.10(br dd,J=3.2,5.6Hz,4H),1.86-1.81(m,4H),1.70-1.64(m,2H)ppm。
实施例21:2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物21)
化合物21的具体合成路线如下:
从中间体6号化合物出发,化合物21的具体合成过程如下:
步骤八:叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在氮气保护下把叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(100mg,205umol),(8-((三异丙基硅基)乙炔基)萘-1-基)氟硼酸钾(136mg,329umol),甲磺酰氧基(二金刚烷基-正丁基膦基)-2’-氨基-1,1’-联苯-2-基)钯(II)(29.9mg,41.1umol)和碳酸钾(100mg,723umol)溶于二氧六环(2mL)和水(2.5mL)后,在85℃反应3小时。LCMS检测反应完成。反应液浓缩柱层析纯化得黄色固体叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(300mg,产率51.1%)。
LCMS:m/z 713.9(M+H)+
1H NMR(400MHz,CDCl3):δ=8.04-7.93(m,2H),7.83(d,J=7.1Hz,1H),7.60(t,J=7.6Hz,1H),7.52-7.40(m,3H),4.78-4.63(m,1H),4.38-4.07(m,3H),3.75-3.45(m,3H),2.89-2.64(m,2H),1.54(d,J=6.5Hz,9H),0.91-0.83(m,18H),0.65-0.52(m,3H)ppm。
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
把((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(267mg,1.68mmol)溶于四氢呋喃(10mL),氮气保护下在0℃加入钠氢(68.9mg,1.72mmol),升温至20℃反应1小时。然后在20℃加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(300mg,420umol)并反应30分钟。LCMS检测反应完成。在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,干燥浓缩。粗品柱层析纯化得黄色固体叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(300mg,产率83.6%)。
LCMS:m/z 853.1(M+H)+
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在氮气保护下,把叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)-7-(8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(300mg,351umol)和氟化铯(213mg,1.41mmol)溶于N,N-二甲基甲酰胺(10mL)中,在60℃反应1小时。LCMS检测反应完成。反应液加水和乙酸乙酯萃取,有机相用饱和食盐水洗,干燥浓缩后用柱层析纯化得叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(240mg,产率97.9%)。
LCMS:m/z 696.8(M+H)+
1H NMR(400MHz,CDCl3):δ=8.04-7.94(m,3H),7.76(d,J=7.0Hz,1H),7.60(t,J=7.7Hz,1H),7.52-7.43(m,2H),5.41-5.14(m,2H),4.67(br s,1H),4.33-4.15(m,4H),4.14-3.99(m,1H),3.68-3.56(m,1H),3.33-3.12(m,6H),3.09-2.97(m,2H),1.93-1.85(m,6H),1.53(s,9H)ppm。
步骤十一:2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
把叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(240mg,344umol)溶于盐酸/二氧六环(10mL)后,氮气置换三次后在0℃反应30分钟。LCMS检测反应完成。反应液浓缩得粗品2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(200mg,粗品)。
LCMS:m/z 596.6(M+H)+
步骤十二:2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
在0℃下,把2-氟丙烯酸((120mg,1.34mmol)溶于二氯甲烷(10mL)后加入草酰氯(174mg,1.37mmol)并在该温度下反应10分钟,然后加入到2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(200mg,335umol)和N,N-二异丙基乙胺(129mg,1.01mmol)的N,N-二甲基甲酰胺(2mL)溶液中,所得混合物在0℃下搅拌30分钟。LCMS监测反应结束。反应液过滤送prep-HPLC和SFC分离纯化得黄色固体2-((2S)-4-(7-(8-乙炔基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈。产物经过SFC手性拆分得到两个目标化合物峰21A和21B。化合物21A和21B互为轴手性异构体。
21A:(22mg,产率9.81%),LCMS:m/z 669.5(M+H)+
1H NMR(400MHz,CD3CN):δ=8.11(ddd,J1=1.1,J2=8.3,J3=12.1Hz,2H),7.78(dd,J1=1.1,J2=7.1Hz,1H),7.71-7.66(m,1H),7.60-7.51(m,3H),5.35-5.24(m,2H),5.22-5.17(m,1H),5.08-4.77(m,1H),4.27(br d,J=13.6Hz,1H),4.22-4.15(m,2H),3.84-3.49(m,2H),3.44-3.32(m,1H),3.16-3.05(m,4H),2.97-2.86(m,3H),2.20-2.17(m,1H),2.11-2.01(m,3H),1.92(br s,4H)ppm。
21B:(23.3mg,产率10.3%),LCMS:m/z 669.5(M+H)+
1H NMR(400MHz,CD3CN):δ=8.11(ddd,J1=0.9,J2=8.3,J3=12.0Hz,2H),7.78(dd,J1=1.1,J2=7.3Hz,1H),7.72-7.66(m,1H),7.59-7.53(m,2H),7.50(dd,J1=1.8,J2=9.9Hz,1H),5.35-5.25(m,2H),5.23-5.16(m,1H),5.04-4.80(m,1H),4.30-4.22(m,2H),4.20-4.16(m,1H),4.10-4.06(m,1H),3.52(br dd,J1=2.9,J2=14.1Hz,1H),3.45-3.35(m,1H),3.16-3.05(m, 4H),3.00-2.93(m,1H),2.93-2.86(m,2H),2.20-2.17(m,1H),2.11-2.04(m,3H),1.92-1.74(m,4H)ppm。
实施例22:2-((2S)-4-(7-(8-氯-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物22)
化合物22的具体合成路线如下所示:
从中间体6号化合物出发,化合物22的具体合成过程如下:
步骤八:叔丁基(2S)-4-(7-(8-氯-3-(甲氧基甲氧基)萘-1-基)-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
把叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(700mg,1.44mmol),(8-氯-3-(甲氧基甲氧基)-1-萘)-氟硼酸钾(700mg,2.13mmol),氟化铯(99.9mg,658umol)和1,1-二(叔丁基磷)二茂铁氯化钯(187mg,287umol)溶于水(20.0mL)和N,N-二甲基甲酰胺(50.0mL)后换气,最后在100℃氮气保护下反应15分钟。LCMS监测反应结束。反应液用水和乙酸乙酯萃取,有机相经饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析纯化得到叔丁基(2S)-4-(7-(8-氯-3-(甲氧基甲氧基)萘-1-基)-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(500mg,收率55.3%)。
1H NMR(400MHz,CDCl3):δ=7.71(dd,J1=1.6,J2=7.8Hz,1H),7.51(d,J=2.5Hz,1H),7.38(br dd,J1=1.8,J2=9.3Hz,1H),7.36-7.28(m,2H),7.13(t,J=2.6Hz,1H),5.25(s,2H),4.62(br dd,J1=3.6,J2=5.9Hz,1H),4.39-4.24(m,2H),4.14-4.06(m,1H),3.82-3.68(m,1H),3.62-3.38(m,5H),2.92-2.60(m,2H),1.46(s,9H)ppm。
步骤九:叔丁基(2S)-4-(7-(8-氯-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯的合成
在0℃氮气保护下把(四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(134mg,955umol)溶于四氢呋喃(6.00mL)后加入钠氢(50.9mg,1.27mmol,60%purity)后在20℃反应1小时。然后加入叔丁基(2S)-4-(7-(8-氯-3-(甲氧基甲氧基)萘-1-基)-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(200mg,318umol)后反应2小时。LCMS监测反应结束。反应液在0℃加水淬灭,乙酸乙酯萃取,饱和食盐水洗,硫酸钠干燥,过滤浓缩柱层析纯化得到叔丁基(2S)-4-(7-(8-氯-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(200mg,收率83.8%)。
1H NMR(400MHz,CDCl3):δ=7.69(dd,J1=1.5,J2=7.9Hz,1H),7.49(d,J=2.4Hz,1H),7.37-7.25(m,3H),7.14(dd,J1=2.8,J2=3.8Hz,1H),4.80-4.66(m,2H),4.64-4.52(m,1H),4.50-4.35(m,1H),4.28-4.18(m,1H),4.11-4.04(m,1H),3.98-3.85(m,2H),3.82-3.66(m,1H),3.62-3.51(m,1H),3.50-3.44(m,3H),3.37-3.22(m,1H),3.22-3.07(m,1H),2.99-2.76 (m,3H),2.49-2.28(m,2H),2.28-2.16(m,2H),2.13-2.01(m,3H),1.98-1.89(m,3H),1.44(s,9H)ppm。
步骤十:2-((2S)-4-(7-(8-氯-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
溶液A:在0℃,把叔丁基(2S)-4-(7-(8-氯-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸(100mg,133umol)溶于盐酸二氧六环(4.00M,9.98mL)中并搅拌一小时。反应液浓缩后加入N,N-二甲基甲酰胺(2.00mL)和N,N-二异丙基乙胺(51.7mg,400umol)。
溶液B:在0℃把2-氟丙烯酸(14.4mg,160umol)溶于二氯甲烷(1.00mL)和N,N-二甲基甲酰胺中,加入草酰氯(25.4mg,200umol)并在该温度下反应20分钟,后在0℃反应30分钟。在0℃将溶液B加入溶液A并搅拌20分钟。LCMS监测反应结束。反应液过滤经prep-HPLC和SFC分离纯化得到2-((2S)-4-(7-(8-氯-3-羟基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈。产物经过SFC手性拆分后得到目标化合物的两个峰22A和22B。化合物22A和22B互为轴手性异构体。
22A:(25.0mg,收率27.4%,纯度99%),LCMS:m/z 677.5(M+H)+
1H NMR(400MHz,CD3CN):δ=7.80(dd,J1=2.4,J2=7.1Hz,1H),7.54(dd,J1=1.6,J2=9.9Hz,1H),7.44-7.35(m,3H),7.12(d,J=2.6Hz,1H),5.39-5.15(m,2H),4.91(br s,1H),4.33-3.98(m,5H),3.93-3.45(m,2H),3.33(br s,1H),3.08(br dd,J1=7.8,J2=16.3Hz,1H),3.02-2.94(m,2H),2.86(dd,J1=6.7,J2=17.2Hz,1H),2.66-2.55(m,2H),2.11(br dd,J1=2.4,J2=4.9Hz,2H),1.87-1.79(m,4H),1.68-1.59(m,2H)ppm。
22B:(23.0mg,收率25.2%,纯度99%),LCMS:m/z 677.5(M+H)+
1H NMR(400MHz,CD3CN):δ=7.81(dd,J1=2.6,J2=6.9Hz,1H),7.55(dd,J1=1.6,J2=9.9Hz,1H),7.47-7.33(m,3H),7.15(d,J=2.5Hz,1H),5.38-5.13(m,2H),4.95(br s,1H),4.35-3.91(m,5H),3.87-3.43(m,2H),3.34(br s,1H),3.09(br s,1H),3.02-2.89(m,3H),2.61(td,J1=6.8,J2=9.9Hz,2H),1.87-1.80(m,4H),1.64(td,J1=7.3,J2=12.3Hz,2H)ppm。
实施例23:2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物23)
化合物23的具体合成路线如下所示:
从中间体6号化合物出发,化合物23的具体合成过程如下:
步骤八:叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-喹唑啉-4-基)哌嗪-1-甲酸酯的合成
把叔丁基(S)-4-(7-溴-2,6,8-三氟喹唑啉-4-基)-2-(氰甲基)哌嗪-1-甲酸酯(200mg,411umol),(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)氟硼酸钾(279mg,616umol)溶于二氧六环(4mL)和水(0.4mL)后加入甲磺酰氧基(二金刚烷基-正丁基膦基)-2-氨基-1,1-联苯-2-基)钯(II)(59.9mg,82.2 umol)和碳酸钾(170mg,1.23mmol)。反应液在80℃反应3小时。LCMS监测反应结束。反应液浓缩,粗品柱层析得黄色固体叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-喹唑啉-4-基)哌嗪-1-甲酸酯(350mg,产率58.1%)。
LCMS:m/z 732.3[M+H]+
1H NMR(400MHz,CDCl3):δ=8.03-7.89(m,2H),7.60-7.52(m,1H),7.50-7.33(m,3H),4.78-4.62(m,1H),4.40-4.11(m,3H),3.74-3.65(m,1H),3.62-3.17(m,2H),2.92-2.65(m,2H),1.25(s,9H),0.94-0.81(m,18H),0.63-0.51(m,3H)ppm。
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
氮气保护下在0℃把((2R,7aS)-2-氟-四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(304mg,1.91mmol)溶于四氢呋喃(5mL)后加入钠氢(99.7mg,2.49mmol)后,在20℃反应1小时,然后加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-喹唑啉-4-基)哌嗪-1-甲酸酯(350mg,478u mol)后在20℃反应30分钟。LCMS监测反应结束。反应液在0℃加水淬灭和乙酸乙酯萃取,有机相食盐水洗,硫酸钠干燥,过滤浓缩得黄色固体叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(270mg,产率64.8%)。
LCMS:m/z 871.5[M+H]+
1H NMR(400MHz,CDCl3):δ=8.00-7.89(m,2H),7.58-7.52(m,1H),7.48-7.43(m,1H),7.39-7.28(m,2H),5.40-5.14(m,1H),4.77-4.67(m,1H),4.39-4.22(m,2H),4.22-4.15(m,2H),3.57-3.34(m,2H),3.32-3.16(m,4H),3.10-2.91(m,2H),2.38-2.08(m,4H),2.01-1.88(m,4H),1.54(d,J=3.5Hz,9H),0.92-0.81(m,18H),0.63-0.49(m,3H)ppm。
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
把叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(270mg,309umol)溶于N,N-二甲基甲酰胺(2.5mL)后加入氟化铯(235mg,1.55mmol),在60℃反应2小时。LCMS监测反应结束。反应液加水和乙酸乙酯萃取,有机相食盐水洗,硫酸钠干燥,过滤浓 缩得黄色固体叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,279umol)。
LCMS:m/z 715.3[M+H]+
1H NMR(400MHz,CDCl3):δ=8.03-7.94(m,2H),7.62-7.55(m,1H),7.54-7.47(m,1H),7.40-7.28(m,2H),5.41-5.21(m,1H),4.67(br s,1H),4.39-4.01(m,5H),3.62(br d,J=12.8Hz,1H),3.48-3.15(m,5H),3.14-2.96(m,2H),2.87-2.72(m,2H),2.37-2.12(m,4H),1.97-1.92(m,2H),1.53(s,9H)ppm。
步骤十一:2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
在氮气保护下把叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(200mg,279umol)溶于盐酸/乙酸乙酯(5mL)后在0℃反应30分钟。LCMS监测反应结束。反应液浓缩得黄色固体2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(160mg,粗品)。
LCMS:m/z 715.3[M+H]+
步骤十二:2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(93.7mg,1.04mmol)溶于二氯甲烷(4mL)后加入草酰氯(135mg,1.07mmol)并在该温度下反应10分钟,然后在0℃加入2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(160mg,260umol)溶于N,N-二甲基甲酰胺(2mL)后加入N,N-二异丙基乙胺(100mg,780umol),最后在0℃反应30分钟。LCMS监测反应结束。反应液过滤送prep-HPLC和SFC分离纯化得白色固体2-((2S)-4-(7-(8-乙炔基-7-氟萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈。产物经过SFC手性拆分后得到目标化合物的两个峰23A和23B。化合物23A和23B互为轴手性异构体。
23A:(16.2mg,产率8.95%),LCMS:m/z 687.5(M+H)+
1H NMR(400MHz,CD3CN):δ=8.17-8.10(m,2H),7.72-7.60(m,2H),7.54(dd,J1=1.8,J2=9.8Hz,1H),7.47(t,J=9.0Hz,1H),5.38-5.16(m,3H),5.07-4.76(m,1H),4.31-4.01(m,5H),3.93-3.51(m,2H),3.45-3.33(m,1H),3.26(d,J=1.0Hz,1H),3.19-3.03(m,4H),2.96-2.83(m,2H),2.24-2.14(m,2H),2.10-2.03(m,2H),1.89-1.83(m,2H)ppm。
23B:(13.9mg,产率7.75%),LCMS:m/z 687.5(M+H)+
1H NMR(400MHz,CD3CN):δ=8.17-8.10(m,2H),7.71-7.59(m,2H),7.54-7.43(m,2H),5.37-5.14(m,3H),5.07-4.77(m,1H),4.35-4.03(m,5H),3.82-3.32(m,3H),3.22-3.04(m,5H),3.00-2.85(m,2H),2.24-2.14(m,2H),2.10-2.03(m,2H),1.89-1.84(m,2H)ppm。
实施例24:2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物24)
化合物24的具体合成路线如下:
以化合物20合成路线中的中间体Int-9出发,化合物24的具体合成步骤为:
步骤九:叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
在0℃氮气保护下把((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲醇(402mg,2.53mmol)溶于四氢呋喃(10mL)加入钠氢(103mg,2.59mmol),在20℃反应1小时后加入叔丁基(2S)-2-(氰甲基)-4-(2,6,8-三氟-7-(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)喹唑啉-4-基)哌嗪-1-甲酸酯(500mg,631umol)并反应30分钟。LCMS监测反应结束。在0℃加水淬灭,乙酸乙酯萃取,食盐水洗,硫酸钠干燥,过滤浓缩柱层析纯化得到叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(500mg,产率85.1%)。
LCMS:m/z 931.6(M+H)+
步骤十:叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯的合成
把叔丁基(2S)-2-(氰甲基)-4-(6,8-二氟-7-(7-氟-3-(甲氧基甲氧基)-8-((三异丙基硅基)乙炔基)萘-1-基)-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(500mg,536umol)和氟化铯(326mg,2.15mmol)溶于N,N-二甲基甲酰胺(10mL)中,在60℃反应1小时。LCMS监测反应结束。在0℃加水淬灭,乙酸乙酯萃取,有机相用食盐水洗,硫酸钠干燥,过滤浓缩柱层析纯化得到叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(400mg,产率96.1%)。
LCMS:m/z 775.4(M+H)+
1H NMR(400MHz,CDCl3):δ=7.82(dd,J1=5.8,J2=9.1Hz,1H),7.54(d,J=2.5Hz,1H),7.29(br d,J=3.5Hz,2H),7.24(dd,J1=2.8,J2=4.9Hz,1H),5.35(br s,1H),5.27(br d,J=1.5Hz,1H),5.21(br s,1H),5.14(dd,J1=3.2,J2=4.2Hz,1H),4.66(br s,1H),4.31-4.14(m,4H),4.13-3.97(m,1H),3.61(td,J1=3.7,J2=13.8Hz,1H),3.52(s,3H),3.41-3.32(m,1H),3.31-3.23(m,2H),3.23-3.18(m,2H),2.83-2.74(m,2H),2.26(br s,1H),2.19(br s,1H),2.05-2.00(m,2H),1.85(br d,J=6.3Hz,2H),1.84-1.77(m,2H),1.51(s,9H)ppm。
步骤十一:2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈的合成
把叔丁基(2S)-2-(氰甲基)-4-(7-(8-乙炔基-7-氟-3-(甲氧基甲氧基)萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-1-甲酸酯(400mg,516umol)溶于盐酸二氧六环(10mL)后,氮气置换三次,在氮气保护下0℃反应30分钟。LCMS监测反应结束。反应液浓缩粗品得2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(300mg,粗品)。
LCMS:m/z 631.2(M+H)+
步骤十二:2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈的合成
在0℃把2-氟丙烯酸(171mg,1.90mmol)溶于二氯甲烷(4mL)后加入草酰氯(247mg,1.95mmol)并在该温度下反应10分钟,然后加入2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)哌嗪-2-基)乙腈(300mg,475umol)和N,N-二异丙基乙胺(184mg,1.43mmol)的N,N-二甲基甲酰胺(3mL)溶液,所得混合物在0℃下搅拌30分钟。LCMS监测反应结束。反应液过滤送prep-HPLC和SFC分离纯化得黄色固体2-((2S)-4-(7-(8-乙炔基-7-氟-3-羟基萘-1-基)-6,8-二氟-2-(((2R,7aS)-2-氟四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰基)哌嗪-2-基)乙腈。产物经过SFC手性拆分得到目标化合物的两个峰24A和24B。化合物24A和24B互为轴手性异构体。
24A:(14.6mg,产率4.35%),LCMS:m/z 703.5(M+H)+
1H NMR(400MHz,CD3CN):δ=7.90(dd,J1=5.8,J2=9.2Hz,1H),7.52(dd,J1=1.4,J2=9.8Hz,1H),7.41(d,J=2.5Hz,1H),7.35(t,J=9.1Hz,1H),7.22(d,J=2.4Hz,1H),5.37-5.24(m,2H),5.20(br s,1H),5.03-4.76(m,1H),4.30-4.02(m,5H),3.89-3.54(m,2H),3.45-3.34(m, 1H),3.28-3.16(m,3H),3.14-3.04(m,2H),2.97-2.86(m,2H),2.17-2.05(m,4H),1.91-1.82(m,2H)ppm。
24B:(17.7mg,产率5.24%),LCMS:m/z 703.5[M+H]+
1H NMR(400MHz,CD3CN):δ=7.91(dd,J1=5.9,J2=9.1Hz,1H),7.50(dd,J1=1.6,J2=9.9Hz,1H),7.41(d,J=2.4Hz,1H),7.37(t,J=9.0Hz,1H),7.21(d,J=2.3Hz,1H),5.35-5.25(m,2H),5.23-5.17(m,1H),5.03-4.77(m,1H),4.37-4.06(m,5H),3.72-3.34(m,3H),3.18-3.04(m,5H),2.99-2.86(m,2H),2.10-2.01(m,4H),1.89-1.83(m,2H)ppm。
实施例25:2-((2S)-4-(7-(7-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物25)
LCMS:m/z 651.3[M+H]+
实施例26:2-((2S)-4-(7-(3-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物26)
LCMS:m/z 651.3[M+H]+
实施例27:2-((2S)-4-(7-(5-乙炔基萘-1-基)-6,8-二氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物27)
LCMS:m/z 651.3[M+H]+
实施例28:(S)-2-(4-(7-(5-氯-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物28)
LCMS:m/z 659.5[M+H]+
实施例29:(S)-2-(4-(7-(7-氯-3-羟基萘-1-基)-8-氟-2-((四氢-1H-吡咯里嗪-7a(5H)-基)甲氧基)喹唑啉-4-基)-1-(2-氟丙烯酰)哌嗪-2-基)乙腈(化合物29)
LCMS:m/z 659.5[M+H]+
生物学测试评价
以下结合测试例进一步描述解释本发明。各测试例中所用的化合物AMG510(目录号:HY-114277)和MRTX849(目录号:HY-130149)均购自MedChemExpress。
测试例1:NCI-H358细胞增殖试验
人肺癌细胞系NCI-H358(ATCC,CRL-5807)为KRAS G12C突变型细胞株。将NCI-H358细胞培养在含有10%胎牛血清的RPMI 1640培养基中,置于有5%CO2的加湿培养箱中于37℃生长。
依照Promega公司的Cell Titer-Glo Luminescent cell Viability Assay(Promega目录号#G7570)中所描述的方案,来进行检测培养物中活细胞的数目。将90μL细胞(8,000细胞/孔)培养在Corning黑色透明底96孔板里的生长培养基中,并于37℃下在5%CO2加湿培养箱中培养过夜。使用移液器将100%DMSO中连续稀释的化合物加至细胞,并将细胞再培养72小时。将100μL混合好的Cell Titer-Glo试剂加入到96孔培养板中的细胞中裂解细胞,并轻柔混合。随后,在Envision微孔板检测仪上进行自发荧光的检测,得到各个化合物的数据。最后将数据输入合适的软件包(例如Prism)以进行曲线拟合分析。基于此数据并通过计算获得50%抑制效果所需的化合物浓度来确定IC50值。
测试例2:NCI-H23细胞增殖试验
人肺癌细胞系NCI-H23(ATCC,CRL-5800)为KRAS G12C突变型细胞株。将NCI-H23细胞培养在含有10%胎牛血清的RPMI 1640培养基中,置于有5%CO2的加湿培养箱中于37℃生长。
依照Promega公司的Cell Titer-Glo Luminescent cell Viability Assay(Promega目录号#G7570)中所描述的方案,来进行检测培养物中活细胞的数目。将90μL细胞(8,000细胞/孔) 培养在Corning黑色透明底96孔板里的生长培养基中,并于37℃下在5%CO2加湿培养箱中培养过夜。使用移液器将100%DMSO中连续稀释的化合物加至细胞,并将细胞再培养72小时。将100μL混合好的Cell Titer-Glo试剂加入到96孔培养板中的细胞中裂解细胞,并轻柔混合。随后,在Envision微孔板检测仪上进行自发荧光的检测,得到各个化合物的数据。最后将数据输入合适的软件包(例如Prism)以进行曲线拟合分析。基于此数据并通过计算获得50%抑制效果所需的化合物浓度来确定IC50值。
测试例1和测试例2所获得的各化合物抑制KRAS G12C突变活性数据,示于表1中。
表1
测试例3:Ba/F3(KRAS-G12C-Y96C)细胞增殖试验
工程细胞株Ba/F3(KRAS-G12C-Y96C)是由发明人按照Warmuth M等,Curr Opin Oncol.2007 Jan;19(1):55-60;Tanaka N等,Cancer Discov.2021 Aug;11(8):1913-1922中记载的方法构建的细胞株。将工程细胞株培养在含有10%胎牛血清和2mM谷氨酰胺的RPMI 1640培养基中。使细胞在有5%CO2的加湿培养箱中于37℃生长。
依照Promega公司的Cell Titer-Glo Luminescent cell Viability Assay(Promega目录号#G7570)中所描述的方案,来进行检测培养物中活细胞的数目。将90μL细胞(3,000细胞/孔)培养在Corning黑色透明底96孔板里的生长培养基中,并于37℃下在5%CO2加湿培养箱中培养过夜。使用移液器将100%DMSO中连续稀释的化合物加至细胞,并将细胞再培养72小时。将100μL混合好的Cell Titer-Glo试剂加入到96孔培养板中的细胞中裂解细胞,并轻柔混合。随后,在Envision微孔板检测仪上进行自发荧光的检测,得到各个化合物的数据。最后将数据输入合适的软件包(例如Prism)以进行曲线拟合分析。基于此数据并通过计算获得50%抑制效果所需的化合物浓度来确定IC50值。
测试例4:Ba/F3(KRAS-G12C-H95Q)细胞增殖试验
工程细胞株Ba/F3(KRAS-G12C-H95Q)是由发明人按照Warmuth M等,Curr Opin Oncol.2007 Jan;19(1):55-60;Tanaka N等,Cancer Discov.2021 Aug;11(8):1913-1922中记载的方法构建 的细胞株。将工程细胞株培养在含有10%胎牛血清和2mM谷氨酰胺的RPMI 1640培养基中。使细胞在有5%CO2的加湿培养箱中于37℃生长。
依照Promega公司的Cell Titer-Glo Luminescent cell Viability Assay(Promega目录号#G7570)中所描述的方案,来进行检测培养物中活细胞的数目。将90μL细胞(3,000细胞/孔)培养在Corning黑色透明底96孔板里的生长培养基中,并于37℃下在5%CO2加湿培养箱中培养过夜。使用移液器将100%DMSO中连续稀释的化合物加至细胞,并将细胞再培养72小时。将100μL混合好的Cell Titer-Glo试剂加入到96孔培养板中的细胞中裂解细胞,并轻柔混合。随后,在Envision微孔板检测仪上进行自发荧光的检测,得到各个化合物的数据。最后将数据输入合适的软件包(例如Prism)以进行曲线拟合分析。基于此数据并通过计算获得50%抑制效果所需的化合物浓度来确定IC50值。
测试例5:Ba/F3(KRAS-G12C-R68S)细胞增殖试验
工程细胞株Ba/F3(KRAS-G12C-R68S)是由发明人按照Warmuth M等,Curr Opin Oncol.2007 Jan;19(1):55-60;Tanaka N等,Cancer Discov.2021 Aug;11(8):1913-1922中记载的方法构建的细胞株。将工程细胞株培养在含有10%胎牛血清和2mM谷氨酰胺的RPMI 1640培养基中。使细胞在有5%CO2的加湿培养箱中于37℃生长。
依照Promega公司的Cell Titer-Glo Luminescent cell Viability Assay(Promega目录号#G7570)中所描述的方案,来进行检测培养物中活细胞的数目。将90μL细胞(3,000细胞/孔)培养在Corning黑色透明底96孔板里的生长培养基中,并于37℃下在5%CO2加湿培养箱中培养过夜。使用移液器将100%DMSO中连续稀释的化合物加至细胞,并将细胞再培养72小时。将100μL混合好的Cell Titer-Glo试剂加入到96孔培养板中的细胞中裂解细胞,并轻柔混合。随后,在Envision微孔板检测仪上进行自发荧光的检测,得到各个化合物的数据。最后将数据输入合适的软件包(例如Prism)以进行曲线拟合分析。基于此数据并通过计算获得50%抑制效果所需的化合物浓度来确定IC50值。
测试例6:Ba/F3(KRAS-G12C-Q99L)细胞增殖试验
工程细胞株Ba/F3(KRAS-G12C-Q99L)是由发明人按照Warmuth M等,Curr Opin Oncol.2007 Jan;19(1):55-60;Tanaka N等,Cancer Discov.2021 Aug;11(8):1913-1922中记载的方法构建的细胞株。将工程细胞株培养在含有10%胎牛血清和2mM谷氨酰胺的RPMI 1640培养基中。使细胞在有5%CO2的加湿培养箱中于37℃生长。
依照Promega公司的Cell Titer-Glo Luminescent cell Viability Assay(Promega目录号#G7570)中所描述的方案,来进行检测培养物中活细胞的数目。将90μL细胞(3,000细胞/孔)培养在Corning黑色透明底96孔板里的生长培养基中,并于37℃下在5%CO2加湿培养箱中培养过夜。使用移液器将100%DMSO中连续稀释的化合物加至细胞,并将细胞再培养72小时。将100μL混合好的Cell Titer-Glo试剂加入到96孔培养板中的细胞中裂解细胞,并轻柔混合。随后,在Envision微孔板检测仪上进行自发荧光的检测,得到各个化合物的数据。最后将数据输入合适的软件包(例如Prism)以进行曲线拟合分析。基于此数据并通过计算获得50%抑制效果所需的化合物浓度来确定IC50值。
测试例3至6所获得的各化合物抑制耐药突变的活性数据,示于表2中。
表2

测试例7:体外人体肝微粒体稳定性试验
准备8块96孔孵育板,分别命名为T0、T5、T15、T30、T45、T60、Blank60和NCF60。前6块孵育板对应的反应时间点分别为0、5、15、30、45和60分钟。Blank60板中不加入待测化合物或对照化合物并在孵育60分钟后取样。NCF60板中用磷酸钾盐缓冲液代替NADPH再生体系溶液(Sigma,N0505)进行孵育60分钟。
分别在T0、T5、T15、T30、T45、T60和NCF60板上添加2μL待测化合物或对照品工作液和100μL人体肝脏微粒体工作液(Corning,452117),微粒体蛋白浓度为1mg/mL)。在Blank60板中只添加微粒体工作液,然后将除T0和NCF60外的孵育板Blank60、T5、T15、T30、T45和T60放置于37℃水浴锅中预孵育大约10分钟。
T0板样品先加入600μL的终止液(含100ng/mL甲苯磺丁脲(Sigma,T0891)的乙腈:甲醇(95:5,v/v)溶液)后,再添加NADPH再生体系工作液。
在NCF60板上每孔添加98μL磷酸钾盐缓冲液,孵育60分钟。
孵育板Blank60、T5、T15、T30、T45和T60预孵育结束后,每个样品孔内添加98μL NADPH再生体系工作液以启动反应。
孵育适当时间(如5、15、30、45和60分钟)后,分别在Blank60、T5、T15、T30、T45、T60和NCF60板的每个样品孔和对照品样品孔中加入600μL的终止液以终止反应。
所有样品板摇匀并在3220×g离心20分钟,分别取200μL试验品上清液稀释到200μL含0.3%甲酸的水溶液中用于LC-MS/MS分析,取100μL对照品上清液稀释到300μL纯水中用于LC-MS/MS分析,并按照如下公式计算:
when


测试例7所获得的各化合物体外人肝微粒体稳定性实验数据,示于表3中。
表3

Claims (8)

  1. 式(II)的化合物,或其药学上可接受的盐或立体异构体:
    其中
    L选自键、氧、硫、-NH-、-(CH2)n-、-O(CH2)n-、-S(CH2)n-、-NH(CH2)n-、-(CH2)nNH-、-(CH2)nO-、-(CH2)nS-、-(CH2)nC(=O)-、-C(=O)O(CH2)n-、-OC(=O)(CH2)n-、-C(=O)(CH2)n-、-C(=O)NH(CH2)n-、-NHC(=O)(CH2)n-;优选为-OCH2-、-NHCH2-或-NHC(=O)-;优选为-OCH2-、-NHCH2-或-NHC(=O)-;
    环A选自取代的或未被取代的,饱和或者非饱和的C4-14含N环状,螺环或者桥环化合物,且至少另含有一个来自O,S或者N的杂原子;
    R1、R2和R3分别独立地选自:氢、氘、氰基、氨基、羟基、卤素(例如-F、-Cl或-Br)、硝基、烷基、烯基、炔基、烷氧基、C1-3卤代烷基、C1-3卤代烷氧基(例如-OCF3)、氘代烷基、其中,所述的氨基、烷基、烯基、炔基、烷氧基、卤代烷基、卤代烷氧基、氘代烷基、任选的可进一步被取代;
    R4选自氢、卤素、C1-6烷基、C2-6炔基、羧基取代的C1-6烷基、氨基取代的C1-6烷基、羟基取代的C1-6烷基、C1-6卤代烷基、环烷基、C1-4亚烷基-C2-6杂环烷基、C2-6杂环烷基、芳基、杂芳基、C1-3烷基胺基取代的C1-4烷基、C1-3烷基胺基取代的C1-8烷氧基;
    R5选自卤素或卤代烷基;
    R6选自C6-10芳基、C5-9杂芳基、C6-10芳基-C1-6亚烷基、C5-10杂芳基-C1-6亚烷基,其中所述烷基、芳基、杂芳基或杂环基任选地被一个或多个独立地选自卤素、氰基、氨基、羟基、硝基、C1-6烷基、C1-6烷氧基、C1-6烷基氨基、C2-4炔基、C2-4烯基、C1-4烷基氰基、C3-6环烷基、二-C1-6烷基氨基、C1-6卤代烷基、氨基酰基、C1-6烷基氨基酰基或二-C1-6烷基氨基酰基的取代基所取代;
    R7、R8、R9、R10分别选自氢、-NH2、-OH、-C(=O)、-CN、-NO2、卤素、-COOH、C1-12烷基、C2-6烯基、C2-6炔基、C1-12卤代烷基、C3-12环烷基、C3-14杂环烷基、C6-10芳基、C5-9杂芳基、-(CH2)nOC(=O)-C6-10芳基、-(CH2)nOC(=O)-C5-9杂芳基、-(CH2)nOC(=O)-C3-14杂环烷基、-(CH2)nOC(=O)N(R11)2、-N(R11)2、-NHC(=NH)NH2、-NR11C(=O)-C6-10芳基、-NR11C(=O)-C5-9杂芳基、-NR11C(=O)-C3-14杂环烷基、-C(=O)N(R11)2、-(CH2)nNHC(=O)-C6-10芳基、-(CH2)nNHC(=O)-C5-9杂芳基、-(CH2)nNHC(=O)-C3-14杂环烷基,所述烷基、氨基、芳基、杂芳 基、环烷基或杂环基任选地被一个或多个独立地选自C1-6烷基、C1-6烷氧基、C1-6卤代烷基、C1-6杂环烷基、-NH2、-OH、-C(=O)、-CN、-NO2、卤素、-COOH的取代基所取代;
    m、n各自独立地为0,1,2或3;
    R11选自C1-3烷基、C1-3烷氧基、C1-3卤代烷基、羟基。
  2. 根据权利要求1所述的化合物或其药学上可接受的盐或立体异构体,其中,所述化合物为式(II-A0)、式(II-A)、式(II-B0)或式(II-B)的化合物或其药学上可接受的盐或立体异构体:
    其中,R2具有权利要求1中所给出的定义,优选为氢、氟、氯;R7具有权利要求1中所给出的定义,优选为氢或氟。R12至R18各自独立地选自氢、卤素(特别是氟、氯)、氰基、羟基、氨基、C1-6烷基(特别是甲基,乙基)、C2-6炔基(特别是乙炔基)。
  3. 根据权利要求1所述的化合物或其药学上可接受的盐或立体异构体,其中,所述化合物为式(II-C)、式(II-C1)或式(II-C2)的化合物:
    其中,R13至R18各自独立地选自氢、卤素(特别是氟、氯)、氰基、羟基、氨基、C1-6烷基(特别是甲基,乙基)、C2-6炔基(特别是乙炔基),优选氢、氟、氯、氰基、甲基、乙基、羟基、氨基。R7优选氢或氟。
  4. 根据权利要求1所述的化合物或其药学上可接受的盐或立体异构体,其为式(II-D)或式(II-D0)的化合物:
    其中
    L选自键、氧、硫、-NH-、-(CH2)n-、-O(CH2)n-、-S(CH2)n-、-NH(CH2)n-、-(CH2)nNH-、-(CH2)nO-、-(CH2)nS-、-(CH2)nC(=O)-、-C(=O)O(CH2)n-、-OC(=O)(CH2)n-、-C(=O)(CH2)n-、-C(=O)NH(CH2)n-、-NHC(=O)(CH2)n-;优选为-OCH2-、-NHCH2-或-NHC(=O)-;
    环A选自取代的或未被取代的,饱和或者非饱和的C4-14含N环状,螺环或者桥环化合物,且至少另含有一个来自O,S或者N的杂原子;
    R1、R2和R3分别独立地选自:氢、氘、氰基、氨基、羟基、卤素(例如-F、-Cl或-Br)、硝基、烷基、烯基、炔基、烷氧基、C1-3卤代烷基、C1-3卤代烷氧基(例如-OCF3)、氘代烷基、其中,所述的氨基、烷基、烯基、炔基、烷氧基、卤代烷基、卤代烷氧基、氘代烷基、任选的可进一步被取代;
    R4选自氢、卤素、C1-6烷基、C2-6炔基、羧基取代的C1-6烷基、氨基取代的C1-6烷基、羟基取代的C1-6烷基、C1-6卤代烷基、环烷基、C1-4亚烷基-C2-6杂环烷基、C2-6杂环烷基、芳基、杂芳基、C1-3烷基胺基取代的C1-4烷基、C1-3烷基胺基取代的C1-8烷氧基;
    R5选自卤素或卤代烷基;
    R6选自C6-10芳基、C5-9杂芳基、C6-10芳基-C1-6亚烷基、C5-10杂芳基-C1-6亚烷基,其中所述烷基、芳基、杂芳基或杂环基任选地被一个或多个独立地选自卤素、氰基、氨基、羟基、硝基、C1-6烷基、C1-6烷氧基、C1-6烷基氨基、C2-4炔基、C2-4烯基、C1-4烷基氰基、C3-6环烷基、二-C1-6烷基氨基、C1-6卤代烷基、氨基酰基、C1-6烷基氨基酰基或二-C1-6烷基氨基酰基的取代基所取代;
    R7、R8、R9、R10分别选自氢、-NH2、-OH、-C(=O)、-CN、-NO2、卤素、-COOH、C1-12烷基、C2-6烯基、C2-6炔基、C1-12卤代烷基、C3-12环烷基、C3-14杂环烷基、C6-10芳基、C5-9杂芳基、-(CH2)nOC(=O)-C6-10芳基、-(CH2)nOC(=O)-C5-9杂芳基、-(CH2)nOC(=O)-C3-14杂环烷基、-(CH2)nOC(=O)N(R11)2、-N(R11)2、-NHC(=NH)NH2、-NR11C(=O)-C6-10芳基、-NR11C(=O)-C5-9杂芳基、-NR11C(=O)-C3-14杂环烷基、-C(=O)N(R11)2、-(CH2)nNHC(=O)-C6-10芳基、-(CH2)nNHC(=O)-C5-9杂芳基、-(CH2)nNHC(=O)-C3-14杂环烷基,所述烷基、氨基、芳基、杂芳基、环烷基或杂环基任选地被一个或多个独立地选自C1-6烷基、C1-6烷氧基、C1-6卤代烷基、C1-6杂环烷基、-NH2、-OH、-C(=O)、-CN、-NO2、卤素、-COOH的取代基所取代;
    m、n各自独立地为0,1,2或3;
    R11选自C1-3烷基、C1-3烷氧基、C1-3卤代烷基、羟基;
    R13和R15至R18各自独立地选自氢、卤素(特别是氟、氯)、氰基、羟基、氨基、C1-6烷基(特别是乙基)、C2-6炔基(特别是乙炔基),优选氢、氟、氯、氰基、甲基、乙基、羟基、氨基。
  5. 根据权利要求4所述的化合物或其药学上可接受的盐或立体异构体,其中,所述化合物为式(II-D1)或式(II-D2)的化合物:
    其中R13和R15至R18各自独立地选自氢、卤素(特别是氟、氯)、氰基、羟基、氨基、C1-6烷基(特别是乙基)、C2-6炔基(特别是乙炔基),优选氢、氟、氯、氰基、甲基、乙基、羟基、氨基。R7优选氢或氟。
  6. 根据权利要求1所述的化合物或其药学上可接受的盐,其中所述化合物选自:

  7. 药物组合物,其含有根据权利要求1-6中任一项所述的化合物或其药学上可接受的盐,以及药学上可接受的稀释剂或载体。
  8. 一种治疗疾病的方法,所述疾病为涉及KRAS G12C突变的疾病(例如癌症,如肺癌),所述方法包括将权利要求1-6中任一项所述的化合物或其药学上可接受的盐给予有需要的受试者。
PCT/CN2023/075571 2022-02-14 2023-02-13 作为kras g12c突变抑制剂的喹唑啉衍生物 WO2023151674A1 (zh)

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