CN103553857A - 一种制备邻三氟甲基苯胺或其衍生物的方法 - Google Patents
一种制备邻三氟甲基苯胺或其衍生物的方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 9
- VBLXCTYLWZJBKA-UHFFFAOYSA-N 2-(trifluoromethyl)aniline Chemical compound NC1=CC=CC=C1C(F)(F)F VBLXCTYLWZJBKA-UHFFFAOYSA-N 0.000 title claims abstract description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 28
- 229910052786 argon Inorganic materials 0.000 claims abstract description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 21
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229940125782 compound 2 Drugs 0.000 claims abstract description 10
- 238000005286 illumination Methods 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- MGFYSGNNHQQTJW-UHFFFAOYSA-N iodonium Chemical compound [IH2+] MGFYSGNNHQQTJW-UHFFFAOYSA-N 0.000 claims description 26
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 150000005360 2-phenylpyridines Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000001072 heteroaryl group Chemical group 0.000 claims description 2
- -1 methoxyl group Chemical group 0.000 claims description 2
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 claims description 2
- SLFVYFOEHHLHDW-UHFFFAOYSA-N n-(trifluoromethyl)aniline Chemical group FC(F)(F)NC1=CC=CC=C1 SLFVYFOEHHLHDW-UHFFFAOYSA-N 0.000 claims description 2
- 125000000101 thioether group Chemical group 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 39
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 abstract description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract description 2
- 150000001448 anilines Chemical class 0.000 abstract 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract 2
- 229910052740 iodine Inorganic materials 0.000 abstract 2
- 239000011630 iodine Substances 0.000 abstract 2
- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000006902 nitrogenation reaction Methods 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 108
- 238000005481 NMR spectroscopy Methods 0.000 description 50
- 239000012044 organic layer Substances 0.000 description 35
- 101100184046 Schizosaccharomyces pombe (strain 972 / ATCC 24843) mid1 gene Proteins 0.000 description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- 238000004440 column chromatography Methods 0.000 description 18
- 239000003480 eluent Substances 0.000 description 18
- 238000005406 washing Methods 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000007864 aqueous solution Substances 0.000 description 17
- 229920006395 saturated elastomer Polymers 0.000 description 17
- 239000000243 solution Substances 0.000 description 3
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- AFFPZJFLSDVZBV-UHFFFAOYSA-N 2-(trifluoromethyl)benzenesulfonamide Chemical class NS(=O)(=O)C1=CC=CC=C1C(F)(F)F AFFPZJFLSDVZBV-UHFFFAOYSA-N 0.000 description 1
- DHYHYLGCQVVLOQ-UHFFFAOYSA-N 3-bromoaniline Chemical compound NC1=CC=CC(Br)=C1 DHYHYLGCQVVLOQ-UHFFFAOYSA-N 0.000 description 1
- WDFQBORIUYODSI-UHFFFAOYSA-N 4-bromoaniline Chemical compound NC1=CC=C(Br)C=C1 WDFQBORIUYODSI-UHFFFAOYSA-N 0.000 description 1
- VLVCDUSVTXIWGW-UHFFFAOYSA-N 4-iodoaniline Chemical compound NC1=CC=C(I)C=C1 VLVCDUSVTXIWGW-UHFFFAOYSA-N 0.000 description 1
- VMPSWCWRQQJTGR-MJFPFMAVSA-N C[C@@](CC1)(C2OC2CC2)[C@@H]2C(CCc2c3C(F)(F)F)[C@H]1c2ccc3N Chemical compound C[C@@](CC1)(C2OC2CC2)[C@@H]2C(CCc2c3C(F)(F)F)[C@H]1c2ccc3N VMPSWCWRQQJTGR-MJFPFMAVSA-N 0.000 description 1
- 0 C[C@](CC1C(C)=C)(C2[C@](C)(CC3)c4cc(N)c(*=C)cc4CC2)[C@@]3(C)C1=O Chemical compound C[C@](CC1C(C)=C)(C2[C@](C)(CC3)c4cc(N)c(*=C)cc4CC2)[C@@]3(C)C1=O 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- BHAAPTBBJKJZER-UHFFFAOYSA-N p-anisidine Chemical compound COC1=CC=C(N)C=C1 BHAAPTBBJKJZER-UHFFFAOYSA-N 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000006692 trifluoromethylation reaction Methods 0.000 description 1
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Abstract
Description
技术领域
本发明涉及一种含三氟甲基苯胺衍生物的制备方法。
背景技术
近年来的研究表明,在重要分子骨架中引入一个三氟甲基可以显著改善其化学性质和生物可利用性,进一步增强生物活性,具有很好的应用前景[参见:(a)Shimizu,M.;Hiyama,T.Angew.Chem.Int.Ed.2005,44,214.(b)Muller,K.;Faeh,C.;Diederich,F.Science2007,317,1881.(c)Purser,S.;Moore,P.R.;Swallow,S.;Gouverneur,V.Chem.Soc.Rev.2008,37,320.]。苯胺作为一种重要的医药化工原料,广泛用于染料、精细化工和制药领域。然而到目前为止,在未保护的芳香胺上直接引入一个三氟甲基的有效合成方法报道较少[参见:(a)Hafner,A.;S.Angew.Chem.Int.Ed.2012,51,3713.(b)Zhang,L.-S.;Chen,K.;Chen,G.;Li,B.-J.;Luo,S.;Guo,Q.-Y.;Wei,J.-B.;Shi,Z.-J.Org.Lett.2013,15,10.(c)Besset,T.;Schneider,C.;Cahard,D.Angew.Chem.Int.Ed.2012,51,5048.(d)Ji,Y.;Brueckl,T.;Baxter,R.D.;Fujiwara,Y.;Seiple,I.B.;Su,S.;Blackmond,D.G.;Baran,P.S.Proc.Natl.Acad.Sci.U.S.A.2011,108,14411.]。
发明内容
本发明要解决的技术问题是提供一种新的芳香胺直接三氟甲基化的新方法以及其应用。
本发明的合成路线如下:
一种制备邻三氟甲基苯胺或其衍生物的方法,它是以苯胺或苯胺衍生物为原料,在溶液中,在氩气或氮气的保护下,以三(2-苯基吡啶)合铱[Ir(ppy)3]为催化剂,在光照下与三价碘试剂化合物2室温下反应,得到邻三氟苯胺或其衍生物3:
所述的三价碘试剂化合物2有如下结构:
[参见:(a)Matousek,V.;Pietrasiak,E.;Schwenk,R.;Togni,A.J.Org.Chem.2013,78,6763.(b)Eisenberger,P.;Gischig,S.;Togni,A.Chem.-Eur.J.2006,12,2579]
上述的制备方法,所述的苯胺衍生物中R基团可以是各种取代的芳基、杂芳基、烷基、酯基、氰基、硼酸酯基、硫醚基、酰胺基、甲砜基、卤素或甲氧基。
上述的制备方法,所述的在溶液中是在二甲基甲酰胺(DMF)溶液中。
上述的制备方法,所述的苯胺或苯胺衍生物与三价碘试剂化合物2的物质的量之比是1:1-2:1,优选的是2:1。
上述的制备方法,所述的催化剂三(2-苯基吡啶)合铱的用量是三价碘试剂化合物2摩尔数的1.5%的摩尔量。
典型反应如下:
本发明的方法反应条件温和,氨基不需要保护,能直接得到三氟甲基取代的苯胺或苯胺衍生物。
具体实施方式
下述实施例有助于理解本发明,但并不限制本发明的内容。以下实施例中所用的是根据文献Eisenberger,P.;Gischig,S.;Togni,A.Chem.-Eur.J.2006,12,2579.所述的制备方法制备的。
实施例1
氮气或者氩气保护下,4-溴苯胺0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析[200-300目层析硅胶(下同),洗脱剂:石油醚60-90:乙酸乙酯=20:1-10:1],得到产物产率61%(86%核磁产率)。1H NMR(400MHz,CDCl3):δ(ppm)=7.53(d,J=2.0Hz,1H),7.37(dd,J=8.8,2.0Hz,1H),6.63(d,J=8.0Hz,1H),3.86(s,2H);13C NMR(100MHz,CDCl3):δ(ppm)=143.5,135.6,129.2(q,J=5.5Hz),124.0(q,J=270.7Hz),110.8,115.2(q,J=30.9Hz);19F NMR(376MHz,CDCl3):δ(ppm)=-63.2;HRMS(ESI)m/z calcd for C7H4BrF3N[M-H]-:237.9485;found:237.9484.
实施例2
氮气或者氩气保护下,4-碘苯胺0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=20:1-10:1),得到产物产率60%。1H NMR(400MHz,CDCl3):δ(ppm)=7.68(d,J=1.6Hz,1H),7.52(dd,J=8.4,1.6Hz,1H),6.51(d,J=8.4Hz,1H),3.98(s,2H);13C NMR(100MHz,CDCl3):δ(ppm)=144.1,141.4,134.9(q,J=5.4Hz),123.8(q,J=271.3Hz),119.2,115.7(q,J=30.8Hz),77.4;19F NMR(376MHz,CDCl3):δ(ppm)=-63.2;HRMS(ESI)m/z calcd for C7H4F3IN[M-H]-:285.9346;found:285.9341.
实施例3
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=15:1-8:1),得到产物产率67%。1H NMR(400MHz,CDCl3):δ(ppm)=8.14(d,J=1.6Hz,1H),7.95(dd,J=8.4,1.6Hz,1H),6.73(d,J=8.4Hz),4.31(s,2H),3.88(s,3H);13C NMR(100MHz,CDCl3):δ(ppm)=166.2,148.3(d,J=1.8Hz),134.3,129.2(q,J=4.8Hz),124.5(q,J=271.2Hz),119.1,116.3,112.7(q,J=30.8Hz),51.9;19F NMR(376MHz,CDCl3):δ(ppm)=-63.1;HRMS(ESI)m/z calcd forC9H7F3NO2[M-H]-:218.0434;found:218.0449.
实施例4
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=15:1-8:1),得到产物产率61%。1H NMR(400MHz,CDCl3):δ(ppm)=8.07(d,J=1.6Hz,1H),7.91(dd,J=8.8,1.6Hz,1H),6.75(d,J=8.8Hz,1H),4.47(s,2H),2.53(s,3H);13C NMR(100MHz,CDCl3):δ(ppm)=195.6,148.5,133.2,128.3(q,J=4.7Hz),126.8,124.5(q,J=271.1Hz),116.4,112.5(q,J=30.2Hz),26.0;19F NMR(376MHz,CDCl3):δ(ppm)=-63.1;HRMS(ESI)m/z calcd for C9H7F3NO[M-H]-:202.0485;found:202.0485.
实施例5
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=10:1-3:1),得到产物产率85%。1H NMR(400MHz,CDCl3):δ(ppm)=7.87(d,J=1.2Hz,1H),7.72(dd,J=8.4,1.2Hz,1H),6.73(d,J=8.4Hz,1H),6.43(s,1H),4.14(s,2H),2.98(s,3H);13C NMR(100MHz,CDCl3):δ(ppm)=167.1,147.2(d,J=1.9Hz),131.7,126.0(q,J=5.1Hz),124.5(q,J=270.6Hz),123.3,116.7,112.7(q,J=30.5Hz),26.8;19F NMR(376MHz,CDCl3):δ(ppm)=-63.0;HRMS(ESI)m/z calcd for C9H10F3N2O[M+H]+:219.0740;found:219.0739.
实施例6
氮气或者氩气保护下,4-甲氧基苯胺0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=15:1-8:1),得到产物产率65%。1H NMR(400MHz,CDCl3):δ(ppm)=6.97(d,J=2.8Hz,1H),6.91(dd,J=8.8,2.8Hz,1H),6.70(d,J=8.8Hz,1H),3.76(s,3H),3.24(s,2H);13C NMR(100MHz,CDCl3):δ(ppm)=150.8,137.2(d,J=2.0Hz),123.6(q,J=270.7Hz),118.7,117.9,113.6(q,J=30.5Hz),110.0(q,J=5.3Hz),54.9;19F NMR(376MHz,CDCl3):δ(ppm)=-62.0;HRMS(ESI)m/z calcd for C8H7F3NO[M-H]-:190.0485;found:190.0480.
实施例7
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升蒸馏水,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=20:1-10:1),得到产物产率80%。1H NMR(400MHz,CDCl3):δ(ppm)=7.89(s,1H),7.71(d,J=8.0Hz,1H),6.71(d,J=8.0Hz,1H),3.89(s,2H),1.32(s,12H);13C NMR(100MHz,CDCl3):δ(ppm)=146.9,139.3,133.6(q,J=4.9Hz),125.1(q,J=271.0Hz),121.0,116.1,113.1(q,J=29.5Hz),83.7,24.8;19F NMR(376MHz,CDCl3):δ(ppm)=-62.5;HRMS(ESI)m/z calcd for C13H16BF3NO2[M-H]-:286.1232.;found:286.1235.
实施例8
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=10:1-5:1),得到产物产率64%。1H NMR(400MHz,CDCl3):δ(ppm)=8.64(d,J=4.4Hz,1H),8.11(d,J=1.6Hz,1H),7.94(dd,J=8.4,1.6Hz,1H),7.75-7.69(m,1H),7.64(d,J=8.0Hz),7.20-7.15(m,1H),6.82(d,J=8.4Hz),4.38(s,2H);13C NMR(100MHz,CDCl3):δ(ppm)=156.1,149.4,145.2(d,J=2.1Hz),137.0,131.3,128.7,125.3(q,J=5.6Hz),125.0(q,J=270.2Hz),121.6,119.4,117.4,113.8(q,J=30.6Hz);19F NMR(376MHz,CDCl3):δ(ppm)=-62.7;HRMS(ESI)m/z calcd forC12H8F3N2[M-H]-:237.0645;found:237.0650
实施例9
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=10:1-5:1),得到产物产率82%。1H NMR(400MHz,CDCl3):δ(ppm)=8.05(s,1H),7.96(s,1H),7.37(d,J=1.6Hz,1H),7.21(dd,J=8.0,1.6Hz,1H),6.73(d,J=8.0Hz,1H),5.22(s,2H),4.38(s,2H);13CNMR(100MHz,CDCl3):δ(ppm)=152.2,145.0,142.8,132.9,126.7(q,J=4.9Hz),124.6(q,J=269.2Hz),123.2,117.7,113.6(q,J=30.4Hz),52.8;19F NMR(376MHz,CDCl3):δ(ppm)=-63.0;HRMS(ESI)m/z calcd for C10H8F3N4[M-H]-:241.0707;found:241.0711.
实施例10
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=15:1-8:1),得到产物产率80%。1H NMR(400MHz,CDCl3):δ(ppm)=7.54(d,J=1.6Hz,1H),7.38(dd,J=8.4,1.6Hz,1H),6.68(d,J=8.4Hz,1H),3.67(t,J=6.0Hz,2H),2.96(t,J=6.0Hz,2H);13C NMR(100MHz,CDCl3):δ(ppm)=144.4(d,J=1.9Hz),137.8,131.5(q,J=4.6Hz),124.4(q,J=271.0Hz),121.3,117.9,114.2(q,J=30.4Hz),60.1,39.5;19F NMR(376MHz,CDCl3):δ(ppm)=-63.0;HRMS(ESI)m/z calcd for C9H9F3NOS[M-H]-:236.0362;found:236.0365.
实施例11
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=20:1-10:1),得到产物产率62%。1H NMR(400MHz,CDCl3):δ(ppm)=7.40(s,1H),6.26(s,1H),3.87(s,3H),3.57(s,2H);13C NMR(100MHz,CDCl3):δ(ppm)=158.1,144.7,128.1(q,J=5.8Hz),124.4(q,J=269.5Hz),111.3,106.9(q,J=31.2Hz),100.4,56.2;19F NMR(376MHz,CDCl3):δ(ppm)=-61.5;HRMS(ESI)m/z calcd for C8H6ClF3NO[M-H]-:224.0095;found:224.0095.
实施例12
氮气或者氩气保护下,3-溴苯胺0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=20:1-10:1)得到产物产率27%;产率23%。19F NMR(376MHz,CDCl3):δ(ppm)=-62.8和-54.4。
实施例13
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=10:1-5:1)得到产物产率43%。产率19%。主要产物1H NMR(400MHz,CDCl3):δ(ppm)=7.36(d,J=8.8Hz,1H),7.24(s,1H),6.68(d,J=1.2Hz,1H),6.53(dd,J=8.8,1.2Hz,1H),3.71(s,2H),3.07(s,3H);13C NMR(100MHz,CDCl3):δ(ppm)=146.0(d,J=0.9Hz),141.1,128.4(q,J=5.7Hz),124.7(q,J=269.8Hz),110.2(q,J=30.2Hz),107.9,106.3,39.6;19FNMR(376MHz,CDCl3):δ(ppm)=-62.2;HRMS(ESI)m/z calcd for C8H8F3N2O2S[M-H]-:253.0264;found:253.0277.
实施例14
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=15:1-8:1)得到产物产率53%。1H NMR(400MHz,CD3OD):δ(ppm)=7.64(d,J=7.6Hz,1H),7.43(d,J=7.6Hz,1H),6.58(t,J=7.6Hz,1H);13CNMR(100MHz,CD3OD):δ(ppm)=173.7,148.3,134.1,131.0(q,J=5.5Hz),126.3(q,J=270.0Hz),117.9,115.6,115.5(q,J=29.7Hz);19F NMR(376MHz,CD3OD):δ(ppm)=-65.0;HRMS(ESI)m/z calcd for C8H6F3N2O[M-H]-:203.0438;found:203.0439.
实施例15
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=20:1-10:1),得到产物产率48%。1H NMR(400MHz,CDCl3):δ(ppm)=7.50-7.35(m,6H),7.22(d,J=2.0Hz,1H),3.96(s,2H);13C NMR(100MHz,CDCl3):δ(ppm)=140.6,136.8,133.6,131.0,129.3,129.1,128.4,125.591(q,J=5.5Hz),124.292(q,J=271.1Hz),121.9,114.882(q,J=30.4Hz);19F NMR(376MHz,CDCl3):δ(ppm)=-63.3;HRMS(ESI)m/z calcd for C13H8ClF3N[M-H]-:270.0303;found:270.0305.
实施例16
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=15:1-10:1),得到产物产率50%。1H NMR(400MHz,CDCl3):δ(ppm)=8.35(d,J=1.6Hz,1H),8.14(dd,J=8.8,1.6Hz,1H),6.78(d,J=8.8Hz,1H),4.65(s,2H),2.61(t,J=6.4Hz,2H),2.11(s,3H),2.04(s,3H),2.00(s,3H),1.90-1.71(m,2H),1.62-1.02(m,24H),0.88-0.84(m,12H);13C NMR(100MHz,CDCl3):δ(ppm)=164.3,149.4,148.7,140.5,134.9,129.8(q,J=5.1Hz),127.0,125.2,124.4(q,J=270.9Hz),123.1,118.4,117.5,116.4,112.9(q,J=30.4Hz),75.1,40.5,39.5,39.4,37.6-37.5(m),37.4,37.3,32.8,32.7,31.3-31.0(m),28.0,24.8(m),24.5,24.2,23.7,22.7,22.6,21.1,20.7,19.8,19.7-19.6(m),13.1,12.2,11.9;19F NMR(376MHz,CDCl3):δ(ppm)=-63.1;HRMS(ESI)m/z calcd for C37H53F3NO3[M-H]-:616.3983;found:616.3960.
实施例17
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=10:1-5:1),得到产物产率81%。1H NMR(400MHz,CDCl3):δ(ppm)=7.98(d,J=2.0Hz,1H),7.79(dd,J=8.8,2.0Hz,1H),6.85(d,J=8.8Hz,1H),4.69(s,2H),3.05(s,3H);13C NMR(100MHz,CDCl3):δ(ppm)=149.1,132.0,128.0,127.4(q,J=5.6Hz),123.9(q,J=271.0Hz),117.0,112.8(q,J=30.9Hz),44.9;19FNMR(376MHz,CDCl3):δ(ppm)=-63.5;HRMS(ESI)m/z calcd for C8H7F3NO2S[M-H]-:238.0155;found:238.0165.
实施例18
氮气或者氩气保护下,0.4mmol,0.2mmol,Ir(ppy)3(2mg)和DMF1毫升加入到反应瓶中,然后用蓝色LED灯带(7W)在室温条件下照射直至三价碘试剂完全转化结束反应。加入10毫升饱和的Na2CO3水溶液,用乙酸乙酯萃取3次,有机层饱和食盐水洗涤一次,无水Na2SO4干燥有机层。柱层析(洗脱剂:石油醚60-90:乙酸乙酯=20:1-10:1)得到产物产率57%;1H NMR(400MHz,CDCl3):δ(ppm)=7.22(d,J=8.4Hz,1H),6.57(d,J=8.4Hz,1H),4.09(s,2H),3.05-1.30(m,15H),0.90(s,3H);13C NMR(100MHz,CDCl3):δ(ppm)=220.9,143.4(d,J=1.6Hz),137.0(d,J=1.6Hz),130.7,129.8,126.8(q,J=273.9Hz),116.3,111.5(q,J=27.4Hz),50.3,48.0,44.3,37.4,35.9,31.6,27.0(q,J=4.3Hz),26.3,26.2,21.5,13.9;19F NMR(376MHz,CDCl3):δ(ppm)=-52.8;HRMS(ESI)m/z calcd forC19H23F3NO[M+H]+:338.1726;found:338.1732.产率19%;1HNMR(400MHz,CDCl3):δ(ppm)=7.33(s,1H),6.54(s,1H),3.75(s,2H),2.89-1.38(m,15H),0.91(s,3H);13C NMR(100MHz,CDCl3):δ(ppm)=220.8,141.9,141.5,130.1,125.1(q,J=269.7Hz),123.4(q,J=5.4Hz),117.5,112.3(q,J=29.8Hz),50.3,48.0,43.7,38.3,35.9,31.4,29.2,26.3,25.8,21.6,13.8;19F NMR(376MHz,CDCl3):δ(ppm)=-61.8;HRMS(ESI)m/z calcd for C19H23F3NO[M+H]+:338.1726;found:338.1732.
Claims (5)
2.根据权利要求1所述的制备方法,其特征是:所述的苯胺衍生物中R基团是各种取代的苯基、杂芳基、烷基、酯基、氰基、硼酸酯基、硫醚基、酰胺基、甲砜基、卤素或甲氧基。
3.根据权利要求1所述的制备方法,其特征是:所述的在溶液中是在二甲基甲酰胺溶液中。
4.根据权利要求1所述的制备方法,其特征是:所述的苯胺或苯胺衍生物与三价碘试剂化合物2的物质的量之比是1:1-2:1。
5.根据权利要求1所述的制备方法,其特征是:所述的催化剂三(2-苯基吡啶)合铱的用量是三价碘试剂化合物2摩尔数的1.5%的摩尔量。
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