CN106432043A - 2,3‑吲哚二酮‑3‑n‑烯基硝酮衍生物及其合成方法和应用 - Google Patents
2,3‑吲哚二酮‑3‑n‑烯基硝酮衍生物及其合成方法和应用 Download PDFInfo
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- CN106432043A CN106432043A CN201610851288.2A CN201610851288A CN106432043A CN 106432043 A CN106432043 A CN 106432043A CN 201610851288 A CN201610851288 A CN 201610851288A CN 106432043 A CN106432043 A CN 106432043A
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- Prior art keywords
- alkyl
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- unsubstituted
- mono
- alkoxy
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- 238000001308 synthesis method Methods 0.000 title claims abstract description 20
- 238000006352 cycloaddition reaction Methods 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 150000001879 copper Chemical class 0.000 claims abstract description 11
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000012043 crude product Substances 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 3
- 239000001301 oxygen Substances 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 58
- 239000001257 hydrogen Substances 0.000 claims description 58
- -1 pentasubstitutedPhenyl Chemical group 0.000 claims description 47
- 125000005843 halogen group Chemical group 0.000 claims description 44
- 150000002431 hydrogen Chemical class 0.000 claims description 42
- 125000001424 substituent group Chemical group 0.000 claims description 42
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 18
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 17
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 15
- 125000005466 alkylenyl group Chemical group 0.000 claims description 15
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 10
- 125000002541 furyl group Chemical group 0.000 claims description 10
- 125000001624 naphthyl group Chemical group 0.000 claims description 10
- 125000001544 thienyl group Chemical group 0.000 claims description 10
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003208 petroleum Substances 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000002246 antineoplastic agent Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 4
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- 229940041181 antineoplastic drug Drugs 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 4
- 238000010898 silica gel chromatography Methods 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- 238000004809 thin layer chromatography Methods 0.000 claims description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 3
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims description 3
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000001953 recrystallisation Methods 0.000 claims description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 2
- 229910021595 Copper(I) iodide Inorganic materials 0.000 claims description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- ODWXUNBKCRECNW-UHFFFAOYSA-M bromocopper(1+) Chemical compound Br[Cu+] ODWXUNBKCRECNW-UHFFFAOYSA-M 0.000 claims description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 235000011148 calcium chloride Nutrition 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 2
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- LSXDOTMGLUJQCM-UHFFFAOYSA-M copper(i) iodide Chemical compound I[Cu] LSXDOTMGLUJQCM-UHFFFAOYSA-M 0.000 claims description 2
- SBTSVTLGWRLWOD-UHFFFAOYSA-L copper(ii) triflate Chemical compound [Cu+2].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F SBTSVTLGWRLWOD-UHFFFAOYSA-L 0.000 claims description 2
- GBRBMTNGQBKBQE-UHFFFAOYSA-L copper;diiodide Chemical compound I[Cu]I GBRBMTNGQBKBQE-UHFFFAOYSA-L 0.000 claims description 2
- 229940045803 cuprous chloride Drugs 0.000 claims description 2
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 2
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011698 potassium fluoride Substances 0.000 claims description 2
- 235000003270 potassium fluoride Nutrition 0.000 claims description 2
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 229910000404 tripotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019798 tripotassium phosphate Nutrition 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 2
- 239000004480 active ingredient Substances 0.000 claims 1
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- 230000000259 anti-tumor effect Effects 0.000 abstract description 3
- 150000002611 lead compounds Chemical class 0.000 abstract description 2
- WLVKDFJTYKELLQ-UHFFFAOYSA-N cyclopropylboronic acid Chemical compound OB(O)C1CC1 WLVKDFJTYKELLQ-UHFFFAOYSA-N 0.000 abstract 1
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 96
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- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 25
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- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 4
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- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
- C07D209/40—Nitrogen atoms, not forming part of a nitro radical, e.g. isatin semicarbazone
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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Abstract
本发明公开了一种2,3‑吲哚二酮‑3‑N‑烯基硝酮衍生物及其合成方法和应用。本发明所述衍生物具有如下式(I)所示结构,其合成方法为:取如下式(II)所示的2,3‑吲哚二酮‑3‑肟衍生物、式(III)所示的烯基硼酸、铜盐和碱性物质,置于有机溶剂中,在氧气存在的条件下反应,制得目标物粗品。本发明所述衍生物的合成方法简单易控,周期短,产率较高,且其中部分化合物具有显著的抗肿瘤活性,为研制新的抗肿瘤药物提供了先导化合物。所述式(I)、式(II)和式(III)所示结构的化合物分别如下:
Description
技术领域
本发明涉及医药技术领域,具体涉及一种2,3-吲哚二酮-3-N-烯基硝酮衍生物及其合成方法和应用。
背景技术
硝酮是一类非常重要的有机合成子,也是药物分子中的重要药效团,是重要的生理活性单元,在抗肿瘤、抗癌等方面具有重要的应用。
N-烯基硝酮由于其反应活性高、转化多样,在有机合成中越来越备受关注。但是N-烯基硝酮一直是有机合成中的难点,国际上很多课题组都致力于这一方向的研究。目前合成N-烯基硝酮的方法主要有:硝基烯烃的多步合成法(S.E.Denmark,J.I.Montgomery,J.Org.Chem.2006,71,6211),铜介导的偶联反应(D.L.Mo,D.A.Wink,L.L.Anderson,Org.Lett.2012,14,5180),卤代肟的1,4-共轭消除(R.E.Michael,K.M.Chando,T.Sammakia,J.Org.Chem.2015,80,6930)等,但是这些反应都存在原料难合成,产率低,底物的适用范围窄等不足。
发明内容
本发明要解决的技术问题是提供一系列结构新颖的2,3-吲哚二酮-3-N-烯基硝酮衍生物,以及它们的合成方法和应用。
本发明涉及下述式(I)所示化合物或其药学上可接受的盐:
其中:
R1表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R2表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R3表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R4表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R5表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R6表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R7表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R8表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子。
上述化合物中:
R1进一步优选为氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R2进一步优选为氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R3进一步优选为氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R4进一步优选为氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R5进一步优选为氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R6进一步优选为氢或C1~6烷基,或者是未取代、单取代或二取代的苯基;
R7进一步优选为氢或C1~6烷基,或者是未取代、单取代或二取代的苯基;
R8进一步优选为氢或C1~6烷基,或者是未取代、单取代或二取代的苯基。
上述式(I)所示化合物的合成方法,主要包括以下步骤:取如下式(II)所示的2,3-吲哚二酮-3-肟衍生物、式(III)所示的烯基硼酸、铜盐和碱性物质,置于有机溶剂中,在氧气存在的条件下反应,制得目标物粗品;
其中:
R1表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R2表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R3表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R4表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R5表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R6表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R7表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R8表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子。
上述合成方法中,R1、R2、R3、R4、R5R6、R7和R8的优先选择如前所述。
上述合成方法中,涉及的原料式(II)所示的2,3-吲哚二酮-3-肟衍生物可参考现有文献(Z.Wang,C.L.Wang,Y.N.Sun,N.Zhang,Z.L.Liu,J.L.Liu,Tetrahedron.2014,70,906-913)进行合成,也可自选设计合成路线进行合成,在此不再详述。涉及的原料式(III)所示的有机硼试剂中部分可以直接从市场上购买得到(如(E)-1-戊烯基硼酸、环己烯基硼酸、环戊烯基硼酸等),对于无法从市场上买到的有机硼试剂(如3-己烯基硼酸、2-丁烯基硼酸、环庚烯基硼酸等),可以参考现有文献(H.Y.Wang,L.Anderson,Org.Lett.,2013,15,3362-3365、C.Feng,T.P.Loh,Org.Lett.,2014,16,3444-3447或A.Patil,D.L.Mo,H.Y.Wang,D.Mueller,L.Anderson Angew.Chem.Int.Ed.2012,51,7799-7803)进行合成,也可自行设计合成路线进行合成,在此不再详述。
上述合成方法中,所述的铜盐作为催化剂使用,具体可以是选自溴化铜、碘化铜、氯化铜、硫酸铜、醋酸酮、硝酸铜、三氟甲磺酸铜、溴化亚铜、碘化亚铜和氯化亚铜中的一种或两种以上的组合。当铜盐的选择为上述两种以上物质的组合时,它们的配比可以为任意配比。
上述合成方法中,所述的碱性物质可以是含有羟基的碱类物质,具体可以是选自磷酸三钾、氢氧化钠、氢氧化钾、氢氧化钙、氢氧化铯、碳酸铯,碳酸钾、叔丁醇钾、叔丁醇钠、氟化钾、吡啶、三乙胺和N,N-二异丙基乙基胺中的一种或两种以上的组合。当碱性物质的选择为上述两种以上物质的组合时,它们的配比可以为任意配比。
上述合成方法中,所述的有机溶剂可以是选自苯、甲苯、环己烷、石油醚、四氯化碳、四氢呋喃、乙酸乙酯、乙腈、乙醚、二氯甲烷、丙酮、三氯甲烷、正己烷和二氧六环中一种或两种以上的组合。当有机溶剂的选择为上述两种以上物质的组合时,它们的配比可以为任意配比。
上述合成方法中,反应一般选择在空气条件下进行,同时反应优选是在低于80℃的条件下进行,进一步优选是在常温至60℃的条件下进行,更优选是在常温至40℃的条件下进行。反应是否完全可采用TLC跟踪检测。根据申请人的经验,当反应在常温至60℃条件下进行时,反应时间控制在5~24h较为适宜。
为了使反应更有利地进行,进一步提高目标产物的收率,优选在反应进行之前加入添加剂,所述的添加剂可以是选自硫酸钠、硫酸镁、氯化钙、五氧化二磷、3A分子筛、4A分子筛和5A分子筛中的一种或两种以上的组合。当添加剂的选择为上述两种以上物质的组合时,它们的配比可以为任意配比。
本发明所述的合成方法中,各原料的用量配比为化学计量比,在实际操作时,式(II)所示的2,3-吲哚二酮-3-肟衍生物、式(III)所示的烯基硼酸、铜盐和碱性物质的摩尔比通常为1.0:1.0~5.0:0.1~2.0:1.0~10.0。所述有机溶剂的用量以能够溶解参加反应的原料为宜,通常情况下,以1mmol式(II)所示的2,3-吲哚二酮-3-肟衍生物为基准,所有参加反应的原料通常用0.5~1mL的有机溶剂来溶解。当反应需要加入添加剂时,添加剂的加入量通常为式(II)所示的2,3-吲哚二酮-3-肟衍生物物质的量的4.0-10.0倍。
由上述方法制得的是式(I)化合物的粗品,可采用现有常规的纯化方法对其进行纯化以提高式(I)化合物的纯度。通常采用硅胶薄层色谱或硅胶柱层析,或者是重结晶的方式进行纯化,在层析时用的洗脱剂和重结晶时用的溶剂相同,可以是由石油醚和乙酸乙酯按10:1~1:1的体积比组成的混合溶剂,也可以是由正己烷和乙酸乙酯按10:1~1:1的体积比组成的混合溶剂,还可以是由石油醚和甲醇按100:1~10:1的体积比组成的混合溶剂,又或者是由二氯甲烷和甲醇按100:1~10:1的体积比组成的混合溶剂。
本发明还提供上述式(I)所示化合物或其药学上可接受的盐在制备抗肿瘤药物中的应用。
进一步地,本发明还提供以上述式(I)所示化合物或其药学上可接受的盐为有效成分制备的抗肿瘤药物。
与现有技术相比,本发明提供了一系列结构新颖的2,3-吲哚二酮-3-N-烯基硝酮衍生物,以及它们的合成方法和它们应用,申请人发现部分2,3-吲哚二酮-3-N-烯基硝酮衍生物具有显著的抗肿瘤活性,为研制新的抗肿瘤药物提供了先导化合物。另一方面,本发明提供的2,3-吲哚二酮-3-N-烯基硝酮衍生物合成方法简单易控,周期短,产率较高。
具体实施方式
下面结合具体实施例对本发明作进一步的详述,以更好地理解本发明的内容,但本发明并不限于以下实施例。
以下各实施例中涉及的2,3-吲哚二酮-3-肟衍生物1参照下述合成路线进行合成:
其中,
R1表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R2表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R3表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R4表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R5表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子。
具体的合成方法为:将2,3-吲哚二酮底物(10.00g,0.068mol)和盐酸羟胺(5.00g,0.072mol),置于三口瓶中,加入100mL水,在120℃下搅拌回流30分钟后加入乙酸钠(5.00g,0.048mol)继续回流30分钟,冷却至室温,析出固体,抽滤,干燥,得到黄色固体,即为目标产物1(即2,3-吲哚二酮-3-肟衍生物)。
以下实施例中涉及的烯基硼酸参照下述方法一或方法二所示合成路线进行合成:
方法一:
其中,
R6表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R7表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子。
具体的合成方法为:在氮气保护下向100mL三颈烧瓶中加入炔(10.0mmol)并使其充分冷却到0℃下,随后加入浓度为1M的二溴硼烷二甲硫醚络合物(12.0mL),使其在0℃下搅拌反应2h;将反应液恢复到室温,随后转移注入到30ml混合液(Et2O:H2O=3:1,体积比)中,0℃下反应15min后停止反应,向反应液中加入40mL乙醚,随后用(3×5mL)水萃取,有机液加入10mL饱和氯化钠液洗涤,无水硫酸钠干燥后,减压浓缩后得到烯基硼酸产物。
方法二:
其中,
R6表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R7表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R8表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子。
具体的合成方法为:
1)在100mL圆底烧瓶中加入热的甲醇(10mL),随后将反应物S1(10mmol)和对甲苯磺酰肼(10mmol)加入,搅拌均匀后回流反应2h,冷却到室温下,将析出的固体抽滤,石油醚洗涤得产物S2;
2)向100mL三颈烧瓶中称入反应物S2(1equiv,即1当量,下同),抽换氮气,于氮气保护下注入正己烷(3mL/mmol)和TMEDA(3mL/mmol),使其冷却到-78℃下,加入浓度为2.5M的n-BuLi(4equiv),保持在-78℃下反应1h,然后恢复到室温下搅拌反应2h,再次将反应液冷却到-78℃下加入异丙醇频哪醇硼酸酯(4equiv),TLC监测反应完成后,用(3×40mL)乙醚萃取,有机相用饱和氯化钠洗涤,无水硫酸钠干燥后,柱层析分离(EA乙酸乙酯:PE石油醚=1:100~1:10)得产物S3;
3)在10mL反应瓶中称入反应物S3(0.5mmol)、高碘酸钠(1.5mmol,3equiv)、醋酸铵(1.5mmol,3equiv),注入3mL(丙酮:水=1:1)混合液,室温下搅拌反应2d,停止反应,将不溶物抽滤,滤液用乙醚萃取,饱和氯化钠溶液洗涤、无水硫酸钠干燥,减压浓缩后得烯基硼酸产物2。
实施例1
按下述合成路线合成本发明所述的2,3-吲哚二酮-3-N-烯基硝酮衍生物。
将2,3-吲哚二酮-3-肟底物1(0.3mmol)、烯基硼酸2(0.9mmol)置于反应管中,加入3mL甲醇,在25℃下搅拌反应5-20h,旋去溶剂,所得反应物加入水(10mL),用二氯甲烷萃取(2×10mL),合并有机相,用无水硫酸钠干燥后过滤,减压除去溶剂,硅胶柱层析分离(石油醚/乙酸乙酯=10:1~1:1,体积比),得到目标产物3。不同的目标产物及其表征如下:
3aa:橙红色固体,68mg,93%yield;mp 170-171℃.1H NMR(400MHz,DMSO–d6):δ10.94(s,1H),8.78(dt,J=13.2,1.4Hz,1H),8.22(d,J=7.6Hz,1H),7.34(t,J=7.7Hz,1H),7.02(t,J=7.7Hz,1H),6.95-6.85(m,2H),2.27(q,J=7.3Hz,2H),1.49-1.41(m,2H),1.38-1.28(m,2H),0.88(t,J=7.3Hz,3H);13C NMR(100MHz,DMSO–d6):δ161.7,140.8,134.6,132.6,125.2,122.5,118.9,110.3,30.6,28.9,22.2,14.1;IR(neat):3452,3174,2926,1683,1525,1459,1213,771cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H16N2O2]+:245.1290;found:245.1312.其结构式如下:
3ab:橙红色固体,76mg,88%yield;mp 145-146℃.1H NMR(400MHz,DMSO–d6):δ10.94(s,1H),8.80-8.74(d,J=13.2Hz,1H),8.22(d,J=7.5Hz,1H),7.35(t,J=7.7,1.2Hz,1H),7.06-7.00(m,1H),6.94-6.85(m,2H),3.82(s,1H),3.59(s,3H),2.37(t,J=7.4Hz,2H),2.34-2.27(m,2H),1.73(t,J=7.4Hz,2H);13C NMR(100MHz,DMSO–d6):δ173.5,161.7,140.9,133.7,133.1,132.7,132.6,125.2,122.5,118.9,110.4,51.8,33.1,28.5,23.9;IR(neat):3459,3179,2952,1712,1530,1461,1207,655cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H16N2O2]+:289.1188;found:289.1181.其结构式如下:
3ac:橙红色固体,63mg,76%yield;mp 157-158℃.1H NMR(500MHz,DMSO–d6):δ10.95(s,1H),8.80(d,J=13.2Hz,1H),8.23(d,J=7.6Hz,2H),7.36(dt,J=7.7,1.1Hz,1H),7.03(dd,J=11.1,4.2Hz,1H),6.98–6.86(m,2H),3.68(t,J=6.6Hz,2H),2.33(q,J=7.4Hz,2H),1.83-1.74(m,2H),1.65-1.56(m,2H);13C NMR(125MHz,DMSO–d6):δ161.7,140.9,134.2,132.9,132.6,132.5,125.2,122.5,118.9,110.3,45.5,31.9,28.4,25.8;IR(neat):3398,3161,2929,1713,1533,1460,1208,657cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H16ClN2O2]+:279.0900;found:279.0898.其结构式如下:
3ad:橙红色固体,67mg,85%yield;mp 212–213℃.1H NMR(400MHz,DMSO–d6):δ11.02(s,1H),9.53(d,J=13.5Hz,1H),8.28(d,J=7.5Hz,1H),7.79(d,J=13.5Hz,1H),7.67-7.61(m,2H),7.50-7.32(m,4H),7.04(dd,J=11.2,4.1Hz,1H),6.90(d,J=7.7Hz,1H);13C NMR(100MHz,DMSO–d6):δ161.9,141.0,133.5,133.4,132.9,131.8,131.2,130.7,129.7,128.7,125.4,122.6,119.0,110.5;IR(neat):3453,3175,2927,1710,1525,1459,1253,657cm-1;HRMS(ESI)m/z[M+H]+calcd for[C16H13N2O2]+:265.0977;found:265.0971.其结构式如下:
3ae:橙红色固体,41mg,64%yield;mp 128-129℃.1H NMR(400MHz,DMSO–d6):δ10.70(s,1H),8.14(d,J=7.6Hz,1H),7.38-7.30(m,2H),7.03-6.96(m,1H),6.87(t,J=6.2Hz,1H),5.76-5.68(m,1H),1.99(dd,J=6.9,5.7Hz,3H),1.70(dd,J=7.1,1.2Hz,3H);13C NMR(100MHz,DMSO–d6):δ160.6,142.5,141.0,133.5,132.3,124.4,122.6,122.2,118.9,110.2,14.3,13.0;IR(neat):3453,3074,2927,1697,1518,1461,1217,741cm-1;HRMS(ESI)m/z[M+H]+calcd for[C12H13N2O2]+:217.0977;found:217.0977.其结构式如下:
3af:橙红色固体,57mg,72%yield;mp 143-144℃.1H NMR(400MHz,DMSO–d6):δ10.76(s,1H),8.27(d,J=7.0Hz,1H),7.48-7.37(m,6H),7.08(t,J=7.6Hz,1H),6.91(d,J=7.8Hz,1H),6.04(d,J=2.1Hz,1H),5.61-5.58(m,1H);13C NMR(100MHz,DMSO–d6):δ160.3,151.5,141.5,135.2,133.0,132.7,129.6,129.2,125.7,124.8,122.4,118.3,111.5,110.4;IR(neat):3454,3084,2925,1708,1546,1346,1197,696cm-1;HRMS(ESI)m/z[M+H]+calcd for[C16H13N2O2]+:265.0977;found:265.0976.其结构式如下:
3ag:橙红色固体,63mg,72%yield;mp 109-110℃.1H NMR(400MHz,DMSO–d6):δ10.74(d,J=11.2Hz,1H),8.30(d,J=7.5Hz,1H),7.45-7.30(m,7H),7.08(dt,J=7.7,0.8Hz,1H),6.90(dd,J=11.3,7.5Hz,1H),6.31(t,J=7.7Hz,1H),2.12-1.97(m,2H),1.00(t,J=7.5Hz,3H);13C NMR(100MHz,DMSO–d6):δ160.0,144.9,141.5,135.5,133.5,133.0,129.2,128.8,126.6,125.1,124.8,122.5,118.0,110.5,21.3,13.5;IR(neat):3435,3196,2930,1713,1547,1461,1192,697cm-1;HRMS(ESI)m/z[M+H]+calcd for[C18H17N2O2]+:293.3396;found:293.3396.其结构式如下:
3ah:橙红色固体,71mg,98%yield;mp 186-187℃.1H NMR(400MHz,DMSO–d6):δ10.72(s,1H),8.14(d,J=7.6,Hz,1H),7.34(dt,J=7.7,1.3Hz,1H),7.00(dt,J=7.6,0.9Hz,1H),6.86(d,J=7.7Hz,1H),5.95-5.91(m,1H),2.34-2.27(m,2H),2.16-2.10(m,2H),1.78-1.71(m,2H),1.65-1.56(m,2H);13C NMR(100MHz,DMSO–d6):δ160.6,144.7,141.0,133.7,132.3,124.5,124.3,122.2,118.8,110.2,26.0,24.1,22.3,21.2;IR(neat):3411,3175,2886,1717,1617,1463,1336,687cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H15N2O2]+:243.1133;found:243.1131.其结构式如下:
3ai:橙红色固体,57mg,78%yield;mp 178-179℃.1H NMR(500MHz,DMSO–d6):δ10.76(s,1H),8.19(d,J=7.5Hz,1H),7.36(dt,J=7.7,1.3Hz,1H),7.02(dt,J=7.6,1.0Hz,1H),6.87(dd,J=7.8,0.7Hz,1H),6.13(dd,J=2.7,1.4Hz,1H),4.20(q,J=2.7Hz,2H),3.85(t,J=5.4Hz,2H),2.43(dd,J=4.3,2.7Hz,2H);13C NMR(125MHz,DMSO–d6):δ160.6,141.5,141.2,134.1,132.6,124.5,123.6,122.2,118.7,110.3,64.0,63.8,26.3;IR(neat):3450,3194,2923,1705,1539,1459,1121,659cm-1;HRMS(ESI)m/z[M+H]+calcd for[C13H13N2O3]+:245.0926;found:245.0920.其结构式如下:
3aj:橙红色固体,52mg,58%yield;mp 175-176℃.1H NMR(400MHz,DMSO–d6):δ10.70(s,1H),8.14(d,J=7.2Hz,1H),7.35(dt,J=7.7,1.3Hz,1H),7.05-6.95(m,1H),6.87(d,J=7.8Hz,1H),5.97-5.90(m,1H),2.35(t,J=6.5Hz,2H),2.22-2.12(m,1H),1.92(dd,J=7.1,3.4Hz,2H),1.34(q,J=6.6Hz,2H),0.89(s,9H);13C NMR(100MHz,DMSO–d6):δ160.6,144.7,141.0,133.7,132.3,124.5,124.3,122.2,118.8,110.2,44.3,32.6,27.7,27.2,26.5,26.0,24.1,22.3;IR(neat):3456,3194,2926,1621,1463,1341,1193,752cm-1;HRMS(ESI)m/z[M+H]+calcd for[C18H23N2O2]+:299.1759;found:299.1759.其结构式如下:
3ba:橙红色固体,64mg,78%yield;mp 175-176℃.1H NMR(400MHz,CDCl3):δ8.83(dt,J=13.1,1.5Hz,1H),8.49(s,1H),8.06(d,J=2.6Hz,1H),7.09(dt,J=13.1,7.6Hz,1H),6.90(dd,J=8.5,2.7Hz,1H),6.78(d,J=8.5Hz,1H),3.83(s,3H),2.35(m,2H),1.58-1.48(m,2H),1.44-1.36(m,2H),0.97-0.89(m,3H);13C NMR(100MHz,CDCl3):δ162.2,155.9,135.6,132.9,132.8,132.7,119.7,118.8,110.5,110.4,55.9,30.7,29.2,22.3,13.8;IR(neat):3453,3193,2927,1713,1526,1488,1247,653cm-1;HRMS(ESI)m/z[M+H]+calcd for[C15H19N2O3]+:275.1395;found:275.1393.其结构式如下:
3ca:橙红色固体,67mg,68%yield;mp 171-172℃.1H NMR(400MHz,DMSO–d6):δ11.12(s,1H),8.74(d,J=13.2Hz,1H),8.12(s,1H),7.35(d,J=8.5Hz,1H),7.00-6.91(m,2H),2.29(m,2H),1.49-1.40(m,2H),1.34(m,2H),0.90(m,3H);13C NMR(100MHz,DMSO–d6):δ162.2,155.9,135.6,132.9,132.8,132.7,122.7,119.7,118.8,110.5,110.4,30.7,29.2,22.3,13.8;IR(neat):3439,3031,2926,2858,1723,1631,1493,1450,1383,972,697cm-1;HRMS(ESI)m/z[M+H]+calcd for[C15H16F3N2O3]+:329.1113;found:329.1097.其结构式如下:
3da:橙红色固体,15mg,15%yield;mp 180-181℃.1H NMR(500MHz,DMSO–d6):δ11.05(s,1H),8.12-8.08(m,1H),7.21(dd,J=8.2,1.8Hz,1H),7.01(dd,J=6.6,2.1Hz,1H),6.98-6.87(m,1H),6.42(d,J=17.8Hz,1H),2.31-2.21(m,2H),1.45(m,2H),1.33(m,2H),0.93-0.81(m,3H);13C NMR(125MHz,DMSO–d6):δ161.4,142.0,135.2,132.8,131.8,126.3,125.2,124.9,118.1,113.1,30.5,28.9,22.2,14.1;IR(neat):3454,3170,2926,1698,1516,1443,1213,661cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H16BrN2O2]+:323.0395;found:323.0385其结构式如下:
3ea:橙红色固体,28mg,29%yield;mp 184-185℃.1H NMR(400MHz,DMSO–d6):δ11.06(s,1H),8.71(dt,J=13.1,1.4Hz,1H),8.12-8.08(m,1H),7.21(dd,J=8.2,1.8Hz,1H),7.01(dd,J=6.6,2.1Hz,1H),6.98-6.87(m,1H),2.31-2.21(m,2H),1.45(m,2H),1.33(m,2H),0.94-0.87(m,3H);13C NMR(100MHz,DMSO–d6):δ161.4,142.0,135.2,132.8,131.8,126.3,125.2,124.9,118.1,113.1,30.5,28.9,22.2,14.1;IR(neat):3453,3172,2927,1692,1521,1443,1213,661cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H16BrN2O2]+:323.0395;found:323.0385.其结构式如下:
3fa:橙红色固体,83mg,88%yield;mp 157-158℃.1H NMR(400MHz,DMSO–d6):δ11.39(s,1H),8.77(d,J=13.2Hz,1H),8.51(d,J=7.5Hz,1H),7.63(d,J=8.0Hz,1H),7.21(t,J=7.7Hz,1H),7.03-6.93(m,1H),2.31(m,2H),1.46(m,2H),1.35(m,2H),0.91(m,3H);13C NMR(100MHz,DMSO–d6):δ162.1,137.6,135.9,132.9,131.1,128.3,128.2,128.1,122.6,120.7,30.6,30.0,29.5,22.2,14.2;IR(neat):3454,3170,2927,1695,1528,1435,1120,687cm-1;HRMS(ESI)m/z[M+H]+calcd for[C15H16F3N2O2]+:313,1164;found:313,1187.其结构式如下:
3ge:橙红色固体,53mg,56%yield;mp 117-118℃.1H NMR(400MHz,DMSO–d6):δ10.70(s,1H),8.14(s,1H),7.03(s,1H),5.76-5.68(m,1H),3.83(s,3H),1.99(m,3H),1.70(m,3H);13C NMR(100MHz,DMSO–d6):δ160.6,142.5,141.0,133.5,125.7,124.8,122.4,118.3,111.5,110.4,55.9,30.7,14.3,13.0;IR(neat):3454,3074,2926,1692,1516,1443,1213,745cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H14F3N2O3]+:315.0957;found:315.0949.其结构式如下:
3hh:橙红色固体,31mg,26%yield;mp 156-157℃.1H NMR(400MHz,DMSO–d6):δ11.06(s,1H),8.07(s,1H),7.86(s,1H),5.95-5.91(m,1H),2.34-2.27(m,2H),2.16-2.10(m,2H),1.78-1.71(m,2H),1.65-1.56(m,2H);13C NMR(100MHz,DMSO–d6):δ161.4,142.0,135.2,132.8,132.3,124.5,124.3,122.2,118.8,110.2,26.0,24.1,22.3,21.2;IR(neat):3430,3171,2926,1690,1526,1459,1214,771cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H13Br2N2O2]+:398.9344;found:398.9345.其结构式如下:
3ik:橙红色固体,35mg,36%yield;mp 181-182℃.1H NMR(400MHz,DMSO–d6):δ10.72(s,1H),7.34(d,J=7.7Hz,1H),6.86(d,J=7.7Hz,1H),5.95-5.91(m,1H),4.20(m,4H),2.54(s,3H),2.42(s,3H),2.34(d,2H),2.21-2.20(m,2H),2.01-2.00(m,2H);13C NMR(100MHz,DMSO–d6):δ160.6,144.7,141.0,133.7,132.3,124.5,124.3,122.2,118.8,110.2,64.1,64.1,26.0,24.1,22.3,21.2,18.9,13.2;IR(neat):3454,3194,2923,1715,1539,1459,1121,655cm-1;HRMS(ESI)m/z[M+H]+calcd for[C30H31N2O2]+:451.2386;found:451.2391.其结构式如下:
实施例2:
按下述合成路线合成本发明所述的2,3-吲哚二酮-3-N-烯基硝酮衍生物。
将2,3-吲哚二酮-3-肟底物1(0.3mmol)、烯基硼酸2(0.9mmol),溴化亚铜(0.3mmol),三乙胺(3mmol)置于反应管中,加入3mL1,2-二氯乙烷,在60℃下搅拌反应5-20h,所得反应物减压除去溶剂,硅胶柱层析分离(二氯甲烷/甲醇=100:1~10:1,体积比),得到目标产物3。不同的目标产物及其表征如下:
3al:橙红色固体,52mg,76%yield;mp 144-145℃.1H NMR(500MHz,DMSO–d6):δ10.94(s,1H),8.37(d,J=7.6Hz,1H),7.55(t,J=7.7Hz,1H),7.21(t,J=7.6Hz,1H),7.06(d,J=7.8Hz,1H),6.31(d,J=7.7Hz,1H),2.89(d,J=5.9Hz,2H),2.69(m,2H),2.27-2.19(m,2H);13C NMR(125MHz,DMSO–d6):δ160.6,146.9,141.2,135.0,132.8,128.6,124.7,122.4,119.0,110.4,32.0,31.3,22.6;IR(neat):3411,3175,2886,1717,1617,1463,1336,687cm-1;HRMS(ESI)m/z[M+H]+calcd for[C13H13N2O2]+:229.0977;found:229.0972.其结构式如下:
3am:橙红色固体,42mg,54%yield;mp 188-189℃.1H NMR(400MHz,DMSO–d6):δ10.68(s,1H),8.13(d,J=7.6Hz,1H),7.34(dt,J=7.7,1.3Hz,2H),7.00(dt,J=7.6,0.9Hz,1H),6.87(t,J=5.8Hz,1H),2.19(dt,J=14.6,7.2Hz,2H),1.73(m,5H),1.67-1.60(m,3H);13C NMR(100MHz,DMSO–d6):δ160.6,148.8,140.9,135.0,132.3,129.0,124.3,122.2,118.9,110.1,31.5,30.7,29.5,26.8,26.0;IR(neat):3456,2927,2856,2864,1725,1621,1463,969,752cm-1;HRMS(ESI)m/z[M+H]+calcd for[C15H17N2O2]+:257.1290;found:257.1285.其结构式如下:
3an:橙红色固体,53mg,73%yield;mp 125-126℃.1H NMR(400MHz,DMSO–d6):δ10.70(s,1H),8.19(d,J=7.6Hz,1H),7.38-7.30(m,1H),7.03-6.96(m,1H),6.87(t,J=6.2Hz,1H),5.76-5.68(m,1H),2.42-2.31(m,2H),1.23(dd,J=16.5,9.3Hz,2H),1.06-0.83(m,6H);13C NMR(100MHz,DMSO–d6):δ160.6,147.0,141.1,134.3,132.3,128.7,124.3,122.2,118.9,110.2,21.6,20.4,13.5,12.0;IR(neat):3264,2963,2872,1714,1620,1459,1079,746cm-1;HRMS(ESI)m/z[M+H]+calcd for[C14H17N2O2]+:245.1290;found:245.1284.其结构式如下:
3ja:橙红色固体,42mg,54%yield;mp 55-56℃.1H NMR(400MHz,DMSO–d6):δ8.78(dt,J=13.2,0.5Hz,1H),8.21(d,J=7.6Hz,1H),7.44-7.35(m,1H),7.05(dd,J=15.3,7.7Hz,2H),6.92(dt,J=13.3,7.4Hz,1H),3.17(s,3H),2.27(m,2H),1.51-1.39(m,2H),1.38-1.29(m,2H),0.90(t,J=7.3Hz,3H);13C NMR(100MHz,DMSO–d6):δ160.2,141.9,134.8,132.8,132.4,131.8,124.7,123.0,118.0,109.1,30.5,28.9,26.4,22.1,14.1;IR(neat):3107,2926,1687,1606,1464,1237,750,540cm-1;HRMS(ESI)m/z[M+H]+calcd for[C15H18N2O2]+:259.1446;found:259.1445.其结构式如下:
3ka:橙红色固体,81mg,84%yield;mp 120-121℃.1H NMR(400MHz,DMSO–d6):δ8.82(s,1H),8.39(dd,J=7.6,0.7Hz,1H),7.59(dt,J=2.2,1.7Hz,2H),7.50(dt,J=6.5,1.4Hz,3H),7.39(dt,J=7.8,1.3Hz,1H),7.22-7.12(m,1H),7.00(dt,J=13.2,7.4Hz,1H),6.77(d,J=8.6Hz,1H),2.30(m,2H),1.47(m,2H),1.34(m,2H),0.90(t,J=7.3Hz,3H);13CNMR(100MHz,DMSO–d6):δ160.0,141.9,135.4,134.1,132.9,132.6,131.8,130.1,128.9,127.7,125.2,123.6,118.5,109.6,30.5,28.9,22.2,14.2;IR(neat):3097,2926,2857,1692,1641,1497,1189,745cm-1;HRMS(ESI)m/z[M+H]+calcd for[C20H21N2O2]+:321.1603;found:321.1596.其结构式如下:
3la:橙红色固体,87mg,78%yield;mp 181-182℃.1H NMR(400MHz,DMSO–d6):δ8.74(d,J=13.2Hz,1H),8.12(s,1H),7.35(d,J=8.5Hz,1H),7.00-6.91(m,2H),3.66(s,3H),2.29(m,2H),1.49-1.40(m,2H),1.34(m,2H),0.90(t,J=7.3Hz,3H);13C NMR(100MHz,DMSO–d6):δ172.7,162.2,155.9,135.6,132.9,132.8,132.7,122.7,119.7,118.8,110.5,110.4,30.7,29.2,26.3,22.3,13.8;IR(neat):3091,2953,1701,1644,1517,1466,1164,661cm-1;HRMS(ESI)m/z[M+H]+calcd for[C17H18F3N2O4]+:371.1219;found:371.1209.其结构式如下:
3mh:橙红色固体,34mg,40%yield;mp 175-176℃.1H NMR(400MHz,DMSO–d6):δ7.34(s,1H),7.14(s,1H),5.95-5.91(m,1H),3.44(s,3H),2.45(s,3H),2.34-2.27(m,2H),2.16-2.10(m,2H),1.78-1.71(m,2H),1.65-1.56(m,2H);13C NMR(100MHz,DMSO–d6):δ160.3,144.7,141.0,133.7,132.3,124.5,124.3,122.2,118.8,110.2,29.2,26.2,26.0,24.1,22.3,21.2;IR(neat):3175,2886,1717,1617,1463,1336,740,687cm-1;HRMS(ESI)m/z[M+H]+calcd for[C16H18FN2O2]+:289.1352;found:289.1355.其结构式如下:
实验例1:本发明所述2,3-吲哚二酮-3-N-烯基硝酮衍生物对多种人肿瘤株进行体外抑制活性实验:
(1)细胞培养:将MGC-803、HepG2、NCI-H460、7702细胞培养于含10%(体积比)胎牛血清和1%(体积比)双抗(含青霉素和链霉素)的DMEM培养基,在温度37℃、5%CO2及95%空气的培养箱中培养,隔天换液。待细胞长满后进行传代,冻存。
(2)种板:取处于对数生长期的细胞,去掉旧培养基,用PBS洗涤两次,胰蛋白酶消化细胞,待细胞变圆后加入新的培养基终止细胞消化并吹打悬浮细胞,制成单个细胞悬液。取适量的细胞悬液,加入一定量的培养基稀释,接种到96孔板中,每孔180μL,每孔细胞数为20000-40000。
(3)加药:于种有肿瘤细胞的96孔板中加入待测样品,每孔20μL,使样品的最终浓度为10μM,进行初筛。根据初筛的结果,对化合物设置不同的浓度梯度进行筛选,每组设置5个复孔。加化合物后放CO2培养箱培养48h,每孔加入10μL配好的MTT溶液,放CO2培养箱继续培养4~6h。
(4)测试:吸弃96孔板内的培养基,加入100μL的DMSO,放摇床上震荡5~10min,使结晶的甲瓒完全溶解。用酶标仪以570nm的吸收波长,630nm的参比波长双波长测定吸光度(OD)值,计算抑制率。抑制率=(1-样品组OD值/空白组OD值)×100%,用SPSS软件分别计算各化合物对不同肿瘤细胞株的IC50值。其测试结果如下表1所示:
表1:
Claims (10)
1.下式(I)所示化合物或其药学上可接受的盐:
其中:
R1表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R2表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R3表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R4表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R5表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R6表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R7表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R8表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子。
2.根据权利要求1所述的化合物,其特征在于:
R1表示氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R2表示氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R3表示氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R4表示氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R5表示氢或C1~4烷基,或者是未取代、单取代或二取代的苯基;
R6表示氢或C1~6烷基,或者是未取代、单取代或二取代的苯基;
R7表示氢或C1~6烷基,或者是未取代、单取代或二取代的苯基;
R8表示氢或C1~6烷基,或者是未取代、单取代或二取代的苯基。
3.权利要求1所述化合物的合成方法,其特征在于:取如下式(II)所示的2,3-吲哚二酮-3-肟衍生物、式(III)所示的烯基硼酸、铜盐和碱性物质,置于有机溶剂中,在氧气存在的条件下反应,制得目标物粗品;
其中:
R1表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R2表示氢、C1~4的烷基、C1~4的烷氧基、C1~4的全氟烷基或卤原子,或者是未取代、单取代、二取代、三取代、四取代或五取代的苯基,或者是未取代的呋喃基,或者是未取代的噻吩基,或者是未取代的萘基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~4的烷基、氰基或卤原子;
R3表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R4表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R5表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R6表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R7表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子;
R8表示氢、C1~8的烷基、C1~6的烷氧基或C1~4的全氟烷基,或者是未取代、单取代或二取代的苯基,其中,取代基为C1~4的烷氧基、C1~4的全氟烷基、C1~6的烷基或卤原子。
4.根据权利要求3所述的合成方法,其特征在于:所述的铜盐为选自溴化铜、碘化铜、氯化铜、硫酸铜、醋酸酮、硝酸铜、三氟甲磺酸铜、溴化亚铜、碘化亚铜和氯化亚铜中的一种或两种以上的组合;
所述的碱性物质为选自磷酸三钾、氢氧化钠、氢氧化钾、氢氧化钙、氢氧化铯、碳酸铯,碳酸钾、叔丁醇钾、叔丁醇钠、氟化钾、吡啶、三乙胺和N,N-二异丙基乙基胺中的一种或两种以上的组合。
5.根据权利要求3所述的合成方法,其特征在于:所述的有机溶剂为选自苯、甲苯、环己烷、石油醚、四氯化碳、四氢呋喃、乙酸乙酯、乙腈、乙醚、二氯甲烷、丙酮、三氯甲烷、正己烷和二氧六环中一种或两种以上的组合。
6.根据权利要求3所述的合成方法,其特征在于:反应在低于80℃的条件下进行。
7.根据权利要求3~7中任一项所述的合成方法,其特征在于:在反应进行之前加入添加剂,所述的添加剂为选自硫酸钠、硫酸镁、氯化钙、五氧化二磷、3A分子筛、4A分子筛和5A分子筛中的一种或两种以上的组合。
8.根据权利要求3~7中任一项所述的合成方法,其特征在于:还包括纯化步骤:具体是将制得的目标物粗品进行硅胶薄层色谱或硅胶柱层析,或者是重结晶,得到纯化后的目标物。
9.权利要求1所述化合物或其药学上可接受的盐在制备抗肿瘤药物中的应用。
10.以权利要求1所述化合物或其药学上可接受的盐为有效成分制备的抗肿瘤药物。
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