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      離子型環(huán)金屬銥配合物液晶發(fā)光材料及其在非摻雜單發(fā)光層偏振電致紅光器件中的應(yīng)用_2

      文檔序號:9837304閱讀:來源:國知局
      2.46(m,lH),1.91 (t,J= 14. lHz,4H) ,1 ·55-1·0(ι?,13H),0.90(t,J = 6.6Hz,3H) .13C NMR(CDC13 100MHz): δ 149.38,147.49,143.87,141.51,139.29,137.25,132.20,128.57,127.06,124.32,122.88, 112.08.44.34.37.38.34.29.33.58.32.21.26.65.22.72.14.11.
      [0038] 化合物3的制備:
      [0039] 在250mL單口瓶中依次加入化合物2(3.(^,8.4111111〇1)、二對甲苯磺酸三乙二醇酯 (3.8g,8.4mmo1)、K2C〇3( 1 ·7g, 12·6mmol)、KI(0 · 13g,0·8mmol)和丙酬(60mL),并將混合液在 氬氣保護下加熱回流過夜。待反應(yīng)冷卻至室溫,將反應(yīng)液倒入水中,并用CH 2C12萃取(3 X 20mL)。有機相依次通過水洗,干燥和過濾;濾液通過減壓蒸餾除去溶劑,剩余物利用柱色譜 分離(Hexane/ethyl acetate = 20:l)得到白色固體3(4.68,85%).? NMR(CDCl3 300MHz): 57.80(d,J = 8.4Hz,2H) ,7.42(dd,J = 8.4Hz,1.8Hz,2H) ,7.34-7.26(m,2H),7.09(td,J = 8.7Hz,2.1Hz,lH) ,6.84-6.78(m, 1H) ,4.19(dt ,J= 15.3Hz ,4.5Hz ,4H), 3.87(t ,J = 4.8Hz , 2.1Hz,2H),3.73-3.67(m,4H),3.64-3.61(m,2H),2.55-2.43(m,4H),1.91(t,J=ll.lHz, 4H) ,1.46-1.04(m,13H),0.90(t,J = 6.9Hz,3H) · 13C NMR(100MHz,CDC13) :152.01,149.77, 147.18,146.89,144.46,142.86,132.67,131.88,129.47,128.28,127.63,126.72,123.22, 109.67,70.57,69.26,68.93,68.42,44.02,37.05,36.98,33.96,33.25,31.89,26.32, 22.39,21.28,13.79.
      [0040] 化合物4的制備:
      [0041 ] 在250mL單口瓶中依次加入化合物2 (2 · Og,5 · 6mmol)、1,6-二溴己烷(8 · 2g, 33.6臟〇1)、1(2〇)3(7.78,56111111〇1)和丙酮(1201^),并將混合液在氬氣保護下加熱回流過夜 。 待反應(yīng)冷卻至室溫,將反應(yīng)液倒入水中,并用CH2C12萃取(3X20mL)。有機相依次通過水洗, 干燥和過濾;濾液通過減壓蒸餾除去溶劑,剩余物利用柱色譜分離(Hexane/CH2Cl2 = 3:1)得 到白色固體4(2 ?2g,76.8%).1H NMR(CDC13 300MHz) :S7.43(dd,J = 6.6Hz,1·8Ηζ,2Η),7· 28 (d ,J = 8.4Hz,2H),7.108(td ,J = 8.7Hz,2.4Hz,lH),6.81-6.75(m,lH) ,4.08(t ,J = 6.3Hz , 2H),3.44(t,J=6.6Hz,2H),2.57-2.46(m,lH),1.94-1.86(m,8H),1.56-1.45(m,6H),1.33-1.04(m,llH),0.90(t,J = 6.9Hz,3H).13C 匪R(CDC13 100ΜΗζ):δ150·15,147·49,143·15, 141.47,140.54,132.25,128.61,127.05,123.55,109.62,68.81,44.35,37.38,34.29, 33.58.32.21.29.24.27.82.26.65.22.71.14.11.
      [0042] 化合物5的制備:
      [0043] 在lOOmL單口瓶中依次加入3,4,5_三羥基苯甲酸乙酯(leq.)、化合物3(4eq.)(或 化合物4)、K 2C03(5eq.)和丙酮,并將混合液在氬氣保護下回流30h.待反應(yīng)冷卻至室溫,將反 應(yīng)液倒入水中,并用CH2CI2萃取(3 X 20mL)。有機相依次通過水洗,干燥和過濾;濾液通過減 壓蒸餾除去溶劑,剩余物利用柱色譜分離(Hexane/QfcCh = 3:1)得到化合物5。
      [0044] 5a:無色油狀物,產(chǎn)率:60.0%.1!1匪1?(3001抱,〇0(:13):57.41-7.36(111,6!〇,7.25-7.22(m,8H),7.04(ddd,J= 16.7,8.3,2.3Hz,3H) ,6.78-6.69(m,3H),4.35(q,J = 7.1Hz, 2H),4.07-4.03(m,12H),2.49(t,J=12.1Hz,3H),1.93-1.84(m,24H),1.57-1.28(m,48H), 1 · 10-1.03(m,6H) ,0.89(t,J = 6.6Hz,9H) .13C 匪R(100MHz,CDC13) :δ166·39,152·73, 147.55,147.52,147.49,147.38,142.20,132.32,128.57,127.02,125.23,123.52,123.01, 109.53,108.04,73.26,69.70,68.98,61.00,44.34,37.39,37.33,34.29,33.59,32.23, 30.90,30.22,29.23,29.17,26.66,25.86,25.79,25.69,22.71,14.40,14.11.
      [0045] 5b:白色固體,產(chǎn)率:63.4%.1!1匪1?(3001取,〇)(:13)^7.42-7.38(111,6!1),7.29-7.24(m,8H),7.05(tt ,J=16.8Hz,8.7Hz,2.4Hz,3H),6.81-6.75(m,3H),4.32(q ,J = 7.2Hz, 2H),4.25-4.18(m,12H),3.99-3.82(m,12H),3.75(s,12H),2.49(tt,J=23.4Hz,12.0Hz, 2.7Hz,3H) ,1.90(t ,J= 10.5Hz, 12H), 1.49-1.03(m,42H) ,0.90(t ,J = 6.6Hz ,9H). 13C NMR (100MHz,CDCl3):Sl66.09,152.27,147.44,147.24,142.49,132.21,128.56,127.02, 125 · 33,123·50,109·94,108·96,72·45,71·03,70·58,69·56,68·89,61·05,44·34,37·38, 37.31,34.28,33.58,32.22,26.66,22.72,14.12.
      [0046] 化合物6的制備:
      [0047] 0°C下,在干燥的lOOmL單口瓶中加入LiAlH4(2.5eq)、化合物5(leq)和干燥的THF, 并將混合液在氬氣保護下室溫攪拌24h。將反應(yīng)液冷卻至0°C,緩慢加入飽和NH4CI溶液淬滅 反應(yīng);用10 %的HC1 (10 % )調(diào)至pH = 2?;旌弦河肅H2C12萃取(3 X 20mL),有機相通過水洗,干 燥和過濾;濾液通過減壓蒸餾除去溶劑,剩余物利用柱色譜分離(CH2C1 2)得到化合物6。
      [0048] 6a:白色固體,產(chǎn)率:92.6%.1!1匪1?(3001泡,〇0(:13):37.47-7.36(111,6!1),7.32-7.20(m,6H),7.04(ddd,J=9.8,8.2,2.3Hz,3H),6.82-6.68(m,3H),6.58(s,2H),4.60(s, 2H) ,4.01(ddd ,J = 25.7,12.7,6.3Hz,12H), 2.49(t,J = 11.9Hz, 3H) ,1.98-1.73(m,21H), 1.52(dd,J = 28.5,6.8Hz,21H),1.29(t,J= 11.6Hz,27H) ,1.05(dd,J = 22.8,10.4Hz,6H), 0.90(t,J = 6.6Hz,9H).13C NMR(100MHz,CDC13):S153.19,150.10,147.37,144.37,143.06, 137.44,136.18,132.31,128.56,127.01,123.48,122.97,109.47,105.33,73.18,69.67, 68.86,65.61,44.33,37.31,34.28,33.58,32.22,30.20,29.30,26.66,25.85,22.71, 14· 11 ·MS(MALDI-T0F)m/z(M-): calcd· for C96H122F6O7,1476 · 91;found,1499 · 9(Na+) ·
      [0049] 613:白色固體,產(chǎn)率:87.4%.1!1匪1?(30010^,0)(:13)^7.40((1(1,了 = 8.1抱,1.5抱, 6H),7.27-7.24(m,6H),7.08-7.01(m,3H),6.812-6.75(m,3H),6.60(s,2H),4.54(s,2H), 4.22-4.14(m,12H),3.89-3.81(m,12H),3.74(s,12H),2.49(t,J=12.3Hz,3H),1.89(J= 10.8Hz,12H),1.49-1.03(m,39H),0.89(t,J = 6.6Hz,9H).13C NMR(100MHz,CDC13):152.79, 150.05,147.54,143.63,140.83,137.79,136.65,132.29,128.67,127.11,123.61,110.07, 109.43,106.44,72.41,71.10,70.60,69.92,69.61,68.92,65.37,44.42,37.46,37.40, 34.37,33.66,32.30,26.73,22.79,14.19.
      [0050] 配體LC的制備:
      [0051 ] 在50mL單口瓶中依次加入化合物6(33mg,0 · 13mmol)、2,2-聯(lián)吡啶-4,4 ' -二酰氯 (0.4g,0.27mmol)、三乙胺(3mL)和干燥的CH2C12,并將混合液在氬氣保護下加熱回流過夜。 待反應(yīng)冷卻至室溫,減壓蒸餾除去溶劑,剩余物通過柱色譜(CH 2C12/CH30H=100:1)分離得 到配體LG。
      [0052] LG-a:白色固體,產(chǎn)率:52.1% NMR(300MHz,CDCl3):S8.98(s,2H),8.83(d,J = 5.1Hz,2H),7.91(dd,J=4.8Hz,1.5Hz,2H),7.41-7.37(m,12H),7.25-7.22(m,12H),7.07-6.99(m,6H),6.76-6.70(m,6H),6.67(s,4H),5.31(s,4H),4.06-3.98(m,24H),2.48(t,J= 12.3Hz,6H), 1.93-1.85(m 52H), 1.49-1.03(m,98H),0.90(t,J = 6.9Hz, 18H).
      [0053] LG-b:白色固體,產(chǎn)率:41.6% NMR(300MHz,CDCl3):S8.96(s,2H),8.82(d,J = 4·8Ηζ,2Η),7.83(dd,J=5.1Hz,1.8Hz,2H),7.40-7.38(m,12H),7.26-7.23
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