CN108047254A - 一种新化合物ⅱ及制备方法和用途 - Google Patents

一种新化合物ⅱ及制备方法和用途 Download PDF

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CN108047254A
CN108047254A CN201711333776.5A CN201711333776A CN108047254A CN 108047254 A CN108047254 A CN 108047254A CN 201711333776 A CN201711333776 A CN 201711333776A CN 108047254 A CN108047254 A CN 108047254A
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fluorenes
phenanthro
quinoline
cyclopenta
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姜国民
江国庆
邓自发
谢晓玲
华平
朱国华
李建华
喻红梅
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Nantong University
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    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
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    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
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Abstract

本发明公开了一种新化合物Ⅱ及制备方法和用途,以邻菲罗啉为起始原料,经氧化反应、格氏反应和Friedel‑Crafts酰基化反应合成得到了乙酰基氮杂螺二芴,再与8‑氨基喹啉‑7‑甲醛通过Friedlander反应合成目标产物2'‑(1,10‑菲并啉‑2‑基)螺[环戊二烯并[1,2‑b:5,4‑b']二吡啶‑5,9'‑芴]。本发明在4,5‑二氮杂‑9,9'‑螺二芴上引入邻菲啰啉,通过多步反应,制备得到了产品,方法简便、易操作,产品熔点:>300℃,收率高。

Description

一种新化合物Ⅱ及制备方法和用途
技术领域
本发明涉及一种新化合物及其制备方法和用途。
背景技术
有机小分子光电材料因其结构明确、易于修饰、提纯加工简单等优点而被大量用来开发高性能材料。目前,绿光和红光的器件水平已经基本满足实用化的需求,相比之下蓝光器件的水平有所滞后,尤其是高性能深蓝光材料依然比较稀缺。高效的深蓝光材料不仅可以明显降低显示器件的功耗,还可以用作其它低能发射材料的主体材料,同时蓝光材料也是实现白光照明的不可或缺的组成部分。另一方面,磷光器件通常需要将发光材料以低浓度掺杂在主体材料中,磷光主体材料的性能与成本也明显地影响着磷光器件的效率和发展。因此,发展高效的蓝色荧光材料以及磷光主体材料,对于推进有机电致发光产业的发展,并进一步工业化有着十分重要的意义。4,5-二氮杂-9,9'-螺二芴(DSBF)具有刚性的平面骨架、良好的热稳定性,较为平衡的载流子注入传输能力及高的蓝色荧光量子产率,还包含杂原子N,作为高电子亲和力的配体,便于与多种金属进行螯合,DSBF衍生物及其配合物有望改善蓝色发射体的电子注入和传输性质,成为新型高性能蓝色发光材料。
发明内容
本发明的目的在于提供一种具有新化学结构的2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴]及制备方法和用途。
本发明的技术解决方案是:
一种2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴],其特征是:化学结构式为:
一种2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴]的制备方法,其特征是:包括下列步骤:
(1)将邻菲罗啉与氢氧化钾溶液、高锰酸钾混合反应,得到化合物1:
(2)将化合物1、THF在Ar保护下与2-溴联苯格氏试剂反应,得到化合物2:
(3)将化合物2与冰醋酸、浓硫酸混合反应,得到化合物3:
(4)将化合物3和二氯甲烷、无水三氯化铝、乙酰氯混合反应,得到化合物4:
(5)将化合物4与冰醋酸、8-氨基喹啉-7-甲醛、硫酸混合反应,得到目标产物:
一种2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴]在制备蓝色电致发光材料中的应用。
本发明在4,5-二氮杂-9,9'-螺二芴上引入邻菲啰啉,通过多步反应,制备得到了产品,方法简便、易操作,产品熔点:>300℃,收率高。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图1是2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴]的1H NMR图。
图2是2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴]的质谱图。
具体实施方式
实施例一 化合物1的合成
在5L三口烧瓶中,加入邻菲罗啉(36g,0.2mol)和新配制的氢氧化钾溶液(2.5L,0.35M),搅拌,加热回流。将105.2g高锰酸钾溶解在400mL水中,加热溶解后,用恒压滴液漏斗加入反应混合液中,控制滴入速度,约4h滴完,继续回流反应5h。趁热过滤,水洗滤饼,得到橘黄色滤液,静置冷却至室温,用二氯甲烷(3×20mL)萃取,合并萃取液,用无水Na2SO4干燥,旋蒸浓缩得淡黄色固体,最后用甲醇重结晶,真空干燥,得黄色针状晶体(化合物1)(17.3g,0.095mol),收率为47.5%。mp:213℃。
FT-IR(KBr,cm-1):3034,1716,1558,1401,759.
1H NMR(CDCl3,400MHz,δH,ppm):8.820(dd,J=4.4,1.6Hz,2H),8.02(dd,J=7.6,1.6Hz,2H),7.382(dd,J=7.6,5.2Hz,2H).
实施例二 化合物2的合成
(1)2-溴联苯格氏试剂的制备
于500mL三口烧瓶中,加入镁屑(4.8g,0.2mol)及一小粒碘,称取2-溴联苯(46.6g,0.2mol)溶解于300mL无水的THF中,加入恒压滴液漏斗中。Ar保护,先将混合溶液体积的5%加入烧瓶,缓慢搅拌,升温至85℃启动反应,当出现剧烈冒泡时,打开滴液漏斗加入剩余混合液,约1h滴完,继续反应回流3h。
(2)化合物2的合成
于1L三口烧瓶中,加入氮杂芴酮(化合物1)(21.86g,0.12mol)和150mLTHF,加热溶解,Ar保护,用恒压滴液漏斗滴加新制的格氏试剂,约1.5h滴完。继续反应16h。过滤,用新蒸的THF洗滤饼,抽干,将滤饼加入饱和氯化铵溶液中,搅拌10h,陈化,过滤,水洗滤饼数次,真空干燥得粉色固体(化合物2)(34.4g,0.102mol),收率为85.2%。
FT-IR(KBr,cm-1):3250,3073,1567,1399,1162,1021,923,772,754,702.
1H NMR(CDCl3,400MHz,δH,ppm):8.551(dd,J=8.0,1.2Hz,1H),8.130(dd,J=4.8,1.6Hz,2H),7.563(td,J=7.6,1.6Hz,1H),7.501(dd,J=7.6,1.6Hz,2H),7.332(td,J=7.2,1.2Hz,1H),6.952(m,2H),6.877(dd,J=7.2,Hz,1H),6.817(t,J=7.2Hz,1H),6.567(t,J=8.0Hz,2H),5.83(dd,J=8.0Hz,2H),4.201(s,1H,OH).
实施例三 化合物3的合成
于500mL三口烧瓶中,加入化合物2(33.64g,0.1mol),250mL冰醋酸,搅拌溶解,滴加3mL浓硫酸,回流反应8h以上。冷却至室温,倒入冰水中,并用氢氧化钠水溶液中和,持续搅拌10h,静置,过滤,水洗滤饼数次,真空干燥得淡黄色固体(化合物3)(25.6g,0.0805mol),收率为80.5%。
FT-IR(KBr,cm-1):3041,1446,749,727.
1HNMR(CDCl3,400MHz,δH,ppm):8.796(t,J=7.2Hz,2H),7.891(d,J=8.0Hz,2H),7.453(td,J=7.6,0.8Hz,2H),7.199(d,J=3.2Hz,4H),7.179(td,J=7.6,0.8H z,2H),6.738(d,J=7.6Hz,2H).
实施例四 化合物4的合成
于250mL三口烧瓶中,加入化合物3(9.55g,0.030mol),50mL二氯甲烷,搅拌溶解;无水三氯化铝(15g,0.113mol)研碎,分批加入三口烧瓶中;取乙酰氯(5.61g,0.714mol),用10mL二氯甲烷稀释,慢慢滴入反应体系,乙酰氯滴完后,升温回流反应24h。反应液冷却至室温,慢慢倒入碎冰中,搅拌,萃取,有机相用饱和碳酸钠水溶液洗3次,调节pH约为6-7,再用水洗3次;加入无水硫酸钠干燥,过滤后旋蒸,干燥,得粗品10g。粗品经柱色谱分离提纯,得化合物4(7.3g,0.02mol),收率为66.7%。
FT-IR(KBr,cm-1):3041,11671,1605,1421,1401,1357,1268,1162,751.
1HNMR(CDCl3,400MHz,δH,ppm):8.776(dd,J=4.8,1.6Hz,2H),8.071(dd,J=8.0,1.6Hz,1H),7.956(td,J=6.4,1.6Hz,2H),7.473(td,J=7.6,0.8Hz,1H),7.314(s,1H),7.234(td,J=7.6,0.8Hz,1H).7.137(m,4H),6.771(d,J=7.6,1H),2.441(s,3H).
实施例五 化合物5的合成
于100mL两口烧瓶中,加入冰醋酸25mL,化合物4(1.44g,0.004mol),8-氨基喹啉-7-甲醛(0.688g,0.004mol),室温下搅拌,Ar保护,慢慢滴加发烟硫酸(26%)2mL,继续搅拌30min,回流反应10h。反应混合液冷却至室温,慢慢倾入碎冰中,搅拌析出黄色沉淀;用浓氨水调节pH为7-8,得乳白色沉淀,静置过夜,过滤,水洗滤饼数次,真空干燥,得粗品1.81g。粗品经柱色谱分离提纯,最后用二氯甲烷和甲醇重结晶,得到化合物5(1.35g,0.0027mol),收率为68.0%。熔点:>300℃。FT-IR(KBr,cm-1):3041,1589,1485,1400,1492,1446,1166,1107,845,791,771,757,748,734.
1HNMR(CDCl3,400MHz,δH,ppm):9.183(dd,J=4.4,1.6Hz,1H),8.766(dd,J=4.8,1.6Hz,2H),8.626(dd,J=8.0,1.2Hz,1H),8.252(m,2H),8.083(d,J=8.0Hz,1H),7.961(d,J=7.6Hz,1H),7.870(d,J=8.4Hz,1H),7.752(d,J=2.0Hz,2H),7.642(dd,J=8.0,4.4Hz,1H),7.58(d,J=0.8Hz,1H),7.471(t,J=7.6Hz,1H),7.206-7.132(m,5H),6.760(d,J=7.6Hz,1H).
13CNMR(CDCl3,400MHz,δC,ppm):159.012,157.033,150.383,150.170,146.921,146.434,145.937,145.801,143.626,143.102,141.411,139.965,136.821,136.296,132.097,129.294,129.035,128.539,127.539,126.349,123.843,
122.994,122.971,120.961,120.833,61.774.ESI-MS:m/z=495.2(M+H)+,calcdfor C35H20N4:496.17.元素分析,计算值:C84.66%,H 4.06%,N11.28%;实测值:C84.60%,H 4.13%,N11.27%。
化合物5可用于制备蓝色电致发光材料。

Claims (3)

1.一种2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴],其特征是:化学结构式为:
2.一种2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴]的制备方法,其特征是:包括下列步骤:
(1)将邻菲罗啉与氢氧化钾溶液、高锰酸钾混合反应,得到化合物1:
(2)将化合物1、THF在Ar保护下与2-溴联苯格氏试剂反应,得到化合物2:
(3)将化合物2与冰醋酸、浓硫酸混合反应,得到化合物3:
(4)将化合物3和二氯甲烷、无水三氯化铝、乙酰氯混合反应,得到化合物4:
(5)将化合物4与冰醋酸、8-氨基喹啉-7-甲醛、硫酸混合反应,得到目标产物:
3.一种权利要求1所述的2'-(1,10-菲并啉-2-基)螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴]在制备蓝色电致发光材料中的应用。
CN201711333776.5A 2017-12-14 2017-12-14 一种新化合物ⅱ及制备方法和用途 Pending CN108047254A (zh)

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Application publication date: 20180518