CN111518067A - 2,3-二取代色酮类衍生物的合成及其制备方法 - Google Patents
2,3-二取代色酮类衍生物的合成及其制备方法 Download PDFInfo
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- -1 2, 3-disubstituted chromone Chemical class 0.000 title claims abstract description 37
- 238000001308 synthesis method Methods 0.000 title claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 title claims description 17
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000003513 alkali Substances 0.000 claims abstract description 12
- 150000002923 oximes Chemical class 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 33
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 17
- 238000003786 synthesis reaction Methods 0.000 claims description 16
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- 239000000460 chlorine Substances 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 3
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 3
- 150000004777 chromones Chemical class 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- FJDQFPXHSGXQBY-UHFFFAOYSA-L Cs2CO3 Substances [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 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
- 238000010189 synthetic method Methods 0.000 claims description 2
- 239000002585 base Substances 0.000 claims 3
- LGGHDPFKSSRQNS-UHFFFAOYSA-N Tariquidar Chemical compound C1=CC=CC2=CC(C(=O)NC3=CC(OC)=C(OC)C=C3C(=O)NC3=CC=C(C=C3)CCN3CCC=4C=C(C(=CC=4C3)OC)OC)=CN=C21 LGGHDPFKSSRQNS-UHFFFAOYSA-N 0.000 claims 2
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 24
- SRNDYVBEUZSFEZ-TWGQIWQCSA-N (nz)-n-[(4-methylphenyl)methylidene]hydroxylamine Chemical compound CC1=CC=C(\C=N/O)C=C1 SRNDYVBEUZSFEZ-TWGQIWQCSA-N 0.000 description 12
- JAGZUIGGHGTFHO-UHFFFAOYSA-N Ethyl 3-phenylpropanoate Chemical compound CCOC(=O)CCC1=CC=CC=C1 JAGZUIGGHGTFHO-UHFFFAOYSA-N 0.000 description 12
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- 229930014626 natural product Natural products 0.000 description 3
- JJFRCDMNJBIZLF-UHFFFAOYSA-N 1-(2-bromophenyl)-3-(4-chlorophenyl)prop-2-yn-1-one Chemical compound C1=CC(Cl)=CC=C1C#CC(=O)C1=CC=CC=C1Br JJFRCDMNJBIZLF-UHFFFAOYSA-N 0.000 description 2
- ZWXVMMGTBRAYSK-UHFFFAOYSA-N 1-(2-bromophenyl)-3-(4-methoxyphenyl)prop-2-yn-1-one Chemical compound BrC1=C(C=CC=C1)C(C#CC1=CC=C(C=C1)OC)=O ZWXVMMGTBRAYSK-UHFFFAOYSA-N 0.000 description 2
- HFPCYTLAOFOSKE-UHFFFAOYSA-N 1-(2-bromophenyl)-3-(4-methylphenyl)prop-2-yn-1-one Chemical compound C1=CC(C)=CC=C1C#CC(=O)C1=CC=CC=C1Br HFPCYTLAOFOSKE-UHFFFAOYSA-N 0.000 description 2
- 125000006276 2-bromophenyl group Chemical group [H]C1=C([H])C(Br)=C(*)C([H])=C1[H] 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- KLYCPFXDDDMZNQ-UHFFFAOYSA-N Benzyne Chemical compound C1=CC#CC=C1 KLYCPFXDDDMZNQ-UHFFFAOYSA-N 0.000 description 1
- 235000006810 Caesalpinia ciliata Nutrition 0.000 description 1
- 241000059739 Caesalpinia ciliata Species 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
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- 230000036436 anti-hiv Effects 0.000 description 1
- 208000027697 autoimmune lymphoproliferative syndrome due to CTLA4 haploinsuffiency Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
- C07D311/28—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
- C07D311/30—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only not hydrogenated in the hetero ring, e.g. flavones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/052—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being six-membered
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Abstract
本发明公开了一种如式(I)所示的2,3‑二取代色酮类衍生物及其合成方法,所述方法以炔酮类化合物、肟和炔酯类为原料,在碱的作用下,合成得到式(I)所示的2,3‑二取代色酮类衍生物。本发明制备方法具有原料简单易得、高原子经济性、高化学区域选择性、后处理简便、普适性好、收率良好、环境友好等优点。
Description
技术领域
本发明属于有机化合物合成的技术领域,涉及碱催化的2,3-二取代色酮类衍生物的合成方法。
背景技术
色酮是重要的天然产物类别,具有有用的药物特性,例如抗癌,抗菌和抗HIV活性。因此,其生物合成已引起长期关注。然而,温和条件下有效合成多取代色酮仍然值得进一步研究。无取代或单取代色酮类化合物合成方法众多,但2,3-二取代色酮的合成报道较少,并且还需要用到昂贵的苯炔前体或过渡金属试剂。例如:文献(1)Chai G.;Qiu Y.;Fu C.;MaS.,Org.Lett.,2011,13,5196.(2)Gaspar,A.;Matos,M.J.;Garrido,J.;Uriarte,E.;Borges,F.Chem Rev 2014,114,4960.(3)Smith,R.J.;Nhu,D.;Clark,M.R.;Gai,S.;Lucas,N.T.;Hawkins,B.C.,J Org Chem 2017,82,5317.
发明内容
本发明的目的是提供一种2,3-二取代色酮类衍生物及其合成方法,所述方法为一种碱促进的、低成本、对环境友好的合成方法。本发明提出的2,3-二取代色酮类衍生物,是许多天然产物和药物分子中主要的结构单元,而且大多具有较强的生物活性。可用于有机合成中间体,在药物合成方面具有重大研究价值。
本发明提出的一种未报道过的2,3-二取代色酮类衍生物,其结构如式(I)所示:
其中,
R1为H、卤素、吡啶;
R2为H、卤素、烷基、烷氧基。
优选地,
R1为H、氯、吡啶;
R2为H、C1-C10烷基、C1-C10烷氧基、氯。
进一步优选地,
R1为H、氯、吡啶;
R2为H、甲基、甲氧基、氯。
本发明还提供了一种式(I)所示的2,3-二取代色酮类衍生物的合成方法,第一步:在溶剂中,原料炔酯类化合物和肟在碱作用下反应一定时间;第二步:然后加入炔酮类化合物进行反应,合成得到式(I)所示的2,3-二取代色酮类衍生物;其反应过程如式(II)所示:
其中,
R1为H、卤素、吡啶;
R2为H、卤素、烷基、烷氧基。
优选地,
R1为H、氯、吡啶;
R2为H、C1-C10烷基、C1-C10烷氧基、氯。
进一步优选地,
R1为H、氯、吡啶;
R2为H、甲基、甲氧基、氯。
其中,所述为碱为催化剂,包括NaOH、K2CO3、Cs2CO3、t-BuOK等中的一种或多种;优选地,为NaOH。
其中,所述溶剂为N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、甲苯或二甲亚砜等中的一种或多种;优选地,为N,N-二甲基甲酰胺。
其中,所述第一步反应的温度为80-100℃;优选地,为100℃。
其中,所述第二步反应的温度为80-100℃;优选地,为100℃。
其中,所述第一步反应的时间为2-4小时;优选地,为3小时。
其中,所述第二步反应的时间为2-4小时;优选地,为2小时。
其中,所述炔酯类化合物、肟、碱、炔酮类化合物的摩尔比为(1-2):(1-2):(1-2):(1-2);优选地,为1:1:2:1。
在一个具体实施方式中,所述2,3-二取代色酮类衍生物的合成方法具体为,在空气下,在溶剂中,原料炔酯类化合物和肟在碱作用下反应一定时间,然后再与炔酮类化合物反应,合成得到式(I)所示的2,3-二取代色酮类衍生物;其反应过程如式(II’)所示:
其中,R1、R2的定义同式(II)。
本发明还提供了所述2,3-二取代色酮类衍生物在药物合成中的应用。
本发明的有益效果在于:本发明制备方法具有原料简单易得、高原子经济性、高化学区域选择性、后处理简便、普适性好、收率良好(57-90%)、环境友好等优点。本发明提出的2,3-二取代色酮类衍生物,是许多天然产物和药物分子中主要的结构单元,而且大多具有较强的生物活性。可用于有机合成中间体,在药物合成方面具有重大研究价值。
具体实施方式
结合以下具体实施例,对本发明作进一步的详细说明。实施本发明的过程、条件、实施方法等,除以下专门提及的内容之外,均为本领域的普遍知识和公知尝试,本发明没有特别限制内容。
实施例1:IA的合成
炔酮、炔酯、肟、碱、溶剂分别选用1-(2-溴苯基)-3-苯基丙-2-炔-1-酮、3-苯基丙酸乙酯、(E)-4-甲基苯甲醛肟、NaOH、N,N-二甲基甲酰胺(DMF),原料的用量分别为1-(2-溴苯基)-3-苯基丙-2-炔-1-酮0.3mmol、3-苯基丙酸乙酯0.3mmol、(E)-4-甲基苯甲醛肟0.3mmol、NaOH 0.6mmol、溶剂3mL,在100℃反应3小时,再反应2小时,得目标产物式(IA),浅黄色液体,分离收率86%。
核磁数据:
(Z:E=8:1),1H NMR(500MHz,CDCl3,TMS):δ1.15(t,J=7.0Hz,3H),4.05-4.10(m,2H),6.56(s,1H),7.27-7.33(m,4H),7.36-7.47(m,5H),7.54-7.60(m,3H),7.70-7.73(m,1H),8.30-8.33(m,1H);13C NMR(125MHz,CDCl3):δ14.00,60.08,117.96,121.37,122.88,125.06,126.40,128.04,128.29,128.48,129.32,130.39,132.91,133.72,138.91,148.09,156.14,161.02,165.31,176.24.
实施例2:IB的合成
炔酮、炔酯、肟、碱、溶剂分别选用1-(2-溴-5-氯苯基)-3-苯基丙-2-炔-1-酮、3-苯基丙酸乙酯、(E)-4-甲基苯甲醛肟、NaOH、N,N-二甲基甲酰胺(DMF),原料的用量分别为1-(2-溴-5-氯苯基)-3-苯基丙-2-炔-1-酮0.3mmol、3-苯基丙酸乙酯0.3mmol、(E)-4-甲基苯甲醛肟0.3mmol、NaOH 0.6mmol、溶剂3mL,在100℃反应3小时,再反应2小时,得目标产物式(IB),浅黄色液体,分离收率57%。
核磁数据:
(Z:E=49:1),1H NMR(500MHz,CDCl3,TMS):δ1.17(t,J=7.0Hz,3H),4.04-4.12(m,2H),6.56(s,1H),7.23-7.33(m,5H),7.36-7.39(m,2H),7.50-7.52(m,1H),7.55-7.57(m,2H),7.64-7.67(m,1H),8.27(d,J=3.0Hz,1H);13C NMR(125MHz,CDCl3):δ14.02,60.12,119.75,121.44,121.48,123.76,125.75,126.93,128.08,128.26,128.50,129.41,130.58,130.95,132.53,133.91,138.63,147.71,154.44,161.24,165.24,175.10.
实施例3:IC的合成
炔酮、炔酯、肟、碱、溶剂分别选用1-(2-溴吡啶-3-基)-3-苯基丙-2-炔-1-酮、3-苯基丙酸乙酯、(E)-4-甲基苯甲醛肟、NaOH、N,N-二甲基甲酰胺(DMF),原料的用量分别为1-(2-溴吡啶-3-基)-3-苯基丙-2-炔-1-酮0.3mmol、3-苯基丙酸乙酯0.3mmol、(E)-4-甲基苯甲醛肟0.3mmol、NaOH 0.6mmol、溶剂3mL,在100℃反应3小时,再反应2小时,得目标产物式(IC),浅黄色液体,分离收率74%。
核磁数据:
(Z:E=5:1),1H NMR(500MHz,CDCl3,TMS):δ1.14(t,J=7.5Hz,3H),4.03-4.08(m,2H),6.57(s,1H),7.16-7.18(m,1H),7.24-7.31(m,5H),7.34-7.39(m,3H),7.47-7.50(m,1H),7.63-7.66(m,2H),8.64-8.67(m,1H),8.73-8.75(m,1H);13C NMR(125MHz,CDCl3):δ13.98,60.14,117.54,121.51,121.71,122.08,126.88,128.04,128.46,128.53,129.48,130.73,132.14,137.03,138.37,147.50,153.35,160.44,161.45,165.19,176.72.
实施例4:ID的合成
炔酮、炔酯、肟、碱、溶剂分别选1-(2-溴苯基)-3-(对甲苯基)丙-2-炔-1-酮、3-苯基丙酸乙酯、(E)-4-甲基苯甲醛肟、NaOH、N,N-二甲基甲酰胺(DMF),原料的用量分别为1-(2-溴苯基)-3-(对甲苯基)丙-2-炔-1-酮0.3mmol、3-苯基丙酸乙酯0.3mmol、(E)-4-甲基苯甲醛肟0.3mmol、NaOH 0.6mmol、溶剂3mL,在100℃反应3小时,再反应2小时,得目标产物式(ID),浅黄色液体,分离收率75%。
核磁数据:
(Z:E=9:1),1H NMR(500MHz,CDCl3,TMS):δ1.13(t,J=7.0Hz,3H),2.32(s,3H),4.01-4.09(m,2H),6.53(s,1H),7.08-7.10(m,2H),7.28-7.39(m,5H),7.42-7.46(m,1H),7.54-7.57(m,1H),7.60-7.62(m,2H),7.69-7.74(m,1H),8.29-8.32(m,1H);13C NMR(125MHz,CDCl3):δ13.96,21.14,59.94,117.92,120.07,121.20,122.86,124.98,126.33,126.85,128.00,128.17,128.23,129.28,130.33,132.91,133.65,135.84,139.61,148.18,156.12,160.84,165.34,176.34.
实施例5:IE的合成
炔酮、炔酯、肟、碱、溶剂分别选1-(2-溴苯基)-3-(4-甲氧基苯基)丙-2-炔-1-酮、3-苯基丙酸乙酯、(E)-4-甲基苯甲醛肟、NaOH、N,N-二甲基甲酰胺(DMF),原料的用量分别为1-(2-溴苯基)-3-(4-甲氧基苯基)丙-2-炔-1-酮0.3mmol、3-苯基丙酸乙酯0.3mmol、(E)-4-甲基苯甲醛肟0.3mmol、NaOH 0.6mmol、溶剂3mL,在100℃反应3小时,再反应2小时,得目标产物式(IE),浅黄色液体,分离收率81%。
核磁数据:
(Z:E=9:1),1H NMR(500MHz,CDCl3,TMS):δ1.12(t,J=7.0Hz,3H),3.77(s,3H),4.01-4.07(m,2H),6.48(s,1H),6.79-6.82(m,2H),7.28-7.33(m,2H),7.36-7.46(m,5H),7.54-7.57(m,1H),7.59-7.61(m,2H),7.69-7.73(m,1H),8.29-8.31(m,1H);13C NMR(125MHz,CDCl3):δ13.97,55.15,59.88,113.97,117.92,118.86,121.22,122.84,124.99,126.32,128.00,128.18,128.42,130.34,131.04,132.90,133.66,147.79,156.12,160.66,160.77,165.42,176.37.
实施例6:IF的合成
炔酮、炔酯、肟、碱、溶剂分别选1-(2-溴苯基)-3-(4-氯苯基)丙-2-炔-1-酮、3-苯基丙酸乙酯、(E)-4-甲基苯甲醛肟、NaOH、N,N-二甲基甲酰胺(DMF),原料的用量分别为1-(2-溴苯基)-3-(4-氯苯基)丙-2-炔-1-酮0.3mmol、3-苯基丙酸乙酯0.3mmol、(E)-4-甲基苯甲醛肟0.3mmol、NaOH 0.6mmol、溶剂3mL,在100℃反应3小时,再反应2小时,得目标产物式(IF),浅黄色液体,分离收率90%。
核磁数据:
(Z:E=6:1),1H NMR(500MHz,CDCl3,TMS):δ1.15(t,J=7.0Hz,3H),4.04-4.10(m,2H),6.51(s,1H),7.07-7.15(m,1H),7.21-7.25(m,2H),7.31-7.35(m,3H),7.36-7.49(m,3H),7.54-7.57(m,2H),7.71-7.75(m,1H),8.28-8.31(m,1H);13C NMR(125MHz,CDCl3):δ13.99,60.21,118.01,120.96,121.84,122.82,125.20,126.39,127.58,128.16,128.26,128.39,128.73,128.92,129.22,129.85,130.58,132.77,133.86,135.31,137.49,146.82,156.13,161.28,165.12,176.14.
本发明的保护内容不局限于以上实施例。在不背离发明构思的精神和范围下,本领域技术人员能够想到的变化和优点都被包括在本发明中,并且以所附的权利要求书为保护范围。
Claims (10)
2.如权利要求1所述的2,3-二取代色酮类衍生物,其特征在于,R1为H、氯、吡啶;R2为H、C1-C10烷基、C1-C10烷氧基、氯。
3.如权利要求1所述的2,3-二取代色酮类衍生物,其特征在于,R1为H、氯、吡啶;R2为H、甲基、甲氧基、氯。
5.如权利要求4所述的合成方法,其特征在于,所述碱为催化剂,所述碱包括NaOH、K2CO3、Cs2CO3、t-BuOK中的一种或多种。
6.如权利要求4所述的合成方法,其特征在于,所述溶剂为N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、甲苯或二甲亚砜中的一种或多种。
7.如权利要求4所述的合成方法,其特征在于,所述第一步反应的温度为80-100℃;和/或,所述第二步反应的温度为80-100℃。
8.如权利要求4所述的合成方法,其特征在于,所述第一步反应的时间为2-4小时;和/或,所述第二步反应的时间为2-4小时。
9.如权利要求4所述的合成方法,其特征在于,所述炔酯类化合物、肟、碱、炔酮类化合物的摩尔比为(1-2):(1-2):(1-2):(1-2)。
10.如权利要求1-3之任一项所述的2,3-二取代色酮类衍生物在药物合成中的应用。
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