CN101560140B - 10,10’-二溴-9,9’-联二蒽的合成方法 - Google Patents

10,10’-二溴-9,9’-联二蒽的合成方法 Download PDF

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CN101560140B
CN101560140B CN2009100854400A CN200910085440A CN101560140B CN 101560140 B CN101560140 B CN 101560140B CN 2009100854400 A CN2009100854400 A CN 2009100854400A CN 200910085440 A CN200910085440 A CN 200910085440A CN 101560140 B CN101560140 B CN 101560140B
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蔡丽菲
戴雷
赵洪玉
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Beijing Aglaia Technology Development Co Ltd
Guangdong Aglaia Optoelectronic Materials Co Ltd
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
    • C07C17/12Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the ring of aromatic compounds
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    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
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    • C07C23/18Polycyclic halogenated hydrocarbons
    • C07C23/20Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic
    • C07C23/38Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic with three condensed rings
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Abstract

本发明涉及“10,10’-二溴-9,9’-联二蒽的合成方法,”属于有机电致发光材料合成技术领域,以9,9’-联二蒽为原料,以氯代烃为溶剂,以溴素为溴代剂反应即可。该方法不会产生环境污染,且收率很高,反应时间短,适于工厂化扩大生产。

Description

10,10’-二溴-9,9’-联二蒽的合成方法
技术领域
本发明属于有机电致发光材料合成技术领域,涉及作为场效应晶体管材料、有机电致发光材料中间体10,10’-二溴-9,9’-联二蒽的合成方法。
背景技术
1987年,美国Kodak公司的邓青云等人以Alq3为发光层、芳香二胺为孔穴传输层成功制备了夹心型双层有机电致发光器件(Tang C.W.,et al.Applied PhysicsLetters,1987,51,913)。1990年英国剑桥大学Burroughes J.H.,et al.研制了有机聚合物发光二极管(Burroughes J.H.,et al.Nartue,1990,347,5395),这些重大突破极大推动了有机电致发光技术领域的发展。OLED类产品已经商品化,其色彩柔和、清晰度高等优点吸引越来越多人的青睐。其寿命和稳定性等致命弱点,可通过寻找新的发光材料和改进制造技术得到改善。因此,新型有机发光材料的合成与性能是目前的研究热点。各个国家科学家投入了很大精力进行研发,越来越多有机电致发光材料被开发和应用,在各种有机发光材料中,联蒽类化合物是一类发光性能特殊、性能优良的有机发光材料。9,9′-联二蒽晶体的带隙大约为3eV,只有波长410nm以下的光才能激发,在空气中非常稳定。并且联二蒽晶体的室温空穴迁移率可达3cm2/V·s,因此联二蒽基场效应晶体管最近引起了人们广泛的研究兴趣。同时其衍生物是一种极有前途的蓝光材料(M.H.Ho,Y.S.Wu,S.W.Wen,et al.,Appl.Phys.Lett.,2006,89,252903/1-3.),对研制蓝色、白色有机电致发光器件十分重要。联二蒽类化合物主要是蓝光主体材料,能级为3.1ev(J.-H.Jou,Ch.-P.Wang,et al.,Organic Electronics,2007,8,29-36.),是一类很好的蓝光材料。联二蒽类化合物可以通过联二蒽来合成的,目前报道的联二蒽及其二溴化物的合成,存在产率低、后处理复杂等问题(麦裕良,广东化工,2007,34,9;j.chem.soc.,1949,267-269.)。联二蒽合成文献主要是用蒽酮来合成,产率40~50%(j.chem.soc.,1949,267-269),不适合工业化,麦裕良虽然改进了合成,但是五氧化磷容易包裹原料,有很多原料不参与反应。10,10′-二溴-9,9′-联二蒽文献报道合成主要用二硫化碳和四氯化碳来合成(Uwe Mueller,MartinBaumgarten,J.Am.Chem.Soc.,1995,117(21),5840-5850;麦裕良,广东化工,2007,34,9;j.chem.soc.,1949,267-269.),虽然能得到合适的产率,但是不适合工业化,环境污染也很严重。联二蒽在四氯化碳中的溶解性很小,反应过程会出现单溴化合物析出,产率不高。因此联二蒽的二溴化物需要寻找合适溶剂,解决溴化过程中析出问题,缩短反应时间。
发明内容
针对上述领域中的缺陷,本发明提供一种10,10’-二溴-9,9’-联二蒽的合成方法,该方法不会产生环境污染,且收率很高,反应时间短,适于工厂化扩大生产。
10,10’-二溴-9,9’-联二蒽的合成方法,以9,9’-联二蒽为原料,以氯代烃为溶剂,以溴素为溴代剂反应即可,所述氯代烃为1,2-二氯乙烷、1,1-二氯乙烷、1,1,1-三氯乙烷、1,1,2-三氯乙烷、1,1,1,2-四氯乙烷、1,1,2,2-四氯乙烷、五氯乙烷、氯丙烷、1,2-二氯丙烷、1,3-二氯丙烷、1,3-二氯丙烷、1,2,3-三氯丙烷、氯丁烷、2-氯丁烷、1-氯-2-甲基丙烷、2-氯-2-甲基丙烷、1,4-二氯丁烷、氯戊烷、氯代叔戊烷、氯代异戊烷、二氯戊烷、二氯甲烷、1,5-二氯戊烷、氯苯或邻二氯苯。
所述溴素是于-10℃-80℃下滴加入反应液中的。
所述反应为加完溴素后于-10℃-80℃下反应3-10小时。
所述反应完成后还包括后处理步骤,所述后处理步骤为过滤,得固体产物,用溶剂清洗产物。
所述9,9’-联二蒽采用如下方法制得:在冰醋酸溶液中,以蒽醌为原料,以锌为还原试剂,于70-120℃下分批加入盐酸,维持温度反应即得9,9’-联二蒽。
所述70-120℃下反应2-15小时。
优选80℃-110℃,反应2-10小时。
所述反应在氮气保护下进行。
上述联二蒽制成二溴联二蒽是典型的溴代反应,溴代反应是分步的,要在联二蒽上同时溴代两个溴原子,要提高反应的收率,则需要找到合适的卤代反应溶剂,且能溶解联二蒽和一溴代产物,同时为了能更好的分离出二溴代产物,该二溴代产物又不能溶于该溶剂中,因此本发明精选了上述氯代烃,经实验证明,上述氯代烃是很好的卤代反应溶剂,且能很好的分离出产物,反应过程中不再析出单溴化合物,收率得以提高,同时还缩短了反应时间。本发明中的联二蒽可采用其它方法制备,亦可采用下述方法制备。
在联二蒽的制备中,本发明采用乙酸做溶剂,以蒽醌为原料,以锌粉结合盐酸作为还原剂,采用一步法合成,反应的后处理也非常容易方便。
本专利设计的化合物可以用下面工艺来完成:
(1)乙酸、锌粉、蒽醌加入反应瓶,搅拌、充氮气,温度维持在80℃~110℃,滴加盐酸。
(2)盐酸加完,维持温度在80℃~110℃,反应2~10小时,冷却、析出固体,过滤、纯化。
(3)将得到联二蒽加入氯代烃,维持温度-10℃~80℃下,滴加溴素,加完溴素,反应3~10小时;过滤、纯化。
本发明方法工艺简单,可靠,无环境污染问题,适用于大型工业化生产。
具体实施方法
实施例1:
将600ml冰醋酸、25g蒽醌、55g锌粉加入四口瓶,充氮气、加热搅拌。维持温度在80℃~90℃滴加盐酸150ml,缓慢滴加。滴加完毕,维持温度在90℃反应;颜色逐渐加深,逐渐有固体析出。反应8小时,点板没有原料存在,停止反应,过滤,甲苯纯化,烘干得到17g,产率80%。
m.p.>300℃;
1HNMR(CDCl3):7.00~7.19(m,8H),7.42~7.48(m,4H),8.27(d,J=12,3Hz,4H),8.67(s,2H);ESIMS z/e:355.1[M+H]+
实施例2:
5g联二蒽、1,2-二氯乙烷80ml加入250ml四口瓶,溴素5g滴加,溶液变为红色,温度没有太大变化。溴素加完,室温搅拌4小时,有大量固体析出,过滤,用20ml 1,2-二氯乙烷洗涤,得到产品6.5g,产率80%。
m.p.>300℃;
1HNMR(CDCl3):7.05~7.08(m,4H),7.15~7.19(m,4H),7.55~7.59(m,4H),8.68~8.71(m,4H);ESIMS z/e:510.9[M+H]+
实施例3:
5g联二蒽、1,1,1,2-四氯乙烷80ml加入250ml四口瓶,溴素5g滴加,溶液变为红色,温度没有太大变化。溴素加完,室温搅拌4小时,有大量固体析出,过滤,用20ml 1,1,1,2-四氯乙烷洗涤,得到产品6g,产率75%。
m.p.>300℃;
1HNMR(CDCl3):7.05~7.08(m,4H),7.15~7.19(m,4H),7.55~7.59(m,4H),8.68~8.71(m,4H);ESIMS z/e:510.9[M+H]+
实施例4:(邻二氯苯)
5g联二蒽、邻二氯苯80ml加入250ml四口瓶,溴素5g滴加,溶液变为红色,温度没有太大变化。溴素加完,室温搅拌4小时,有大量固体析出,过滤,用20ml邻二氯苯洗涤,得到产品6.2g,产率78%。
m.p.>300℃;
1HNMR(CDCl3):7.05~7.08(m,4H),7.15~7.19(m,4H),7.55~7.59(m,4H),8.68~8.71(m,4H);ESIMS z/e:510.9[M+H]+

Claims (8)

1.10,10’-二溴-9,9’-联二蒽的合成方法,以9,9’-联二蒽为原料,以氯代烃为溶剂,以溴素为溴代剂反应即可,所述氯代烃为1,2-二氯乙烷、1,1-二氯乙烷、1,1,1-三氯乙烷、1,1,2-三氯乙烷、1,1,1,2-四氯乙烷、1,1,2,2-四氯乙烷、五氯乙烷、氯丙烷、1,2-二氯丙烷、1,3-二氯丙烷、1,3-二氯丙烷、1,2,3-三氯丙烷、氯丁烷、1,4-二氯丁烷、氯戊烷、二氯戊烷、二氯甲烷、氯苯或邻二氯苯。
2.根据权利要求1所述的合成方法,所述溴素是于-10℃-80℃下滴加入反应液中的。
3.根据权利要求2所述的合成方法,所述溴素滴完后于-10℃-80℃下反应3-10小时。
4.根据权利要求1所述的合成方法,所述反应完成后还包括后处理步骤,所述后处理步骤为过滤,得固体产物,用溶剂清洗产物。
5.根据权利要求1所述的合成方法,所述9,9’-联二蒽采用如下方法制得:在冰醋酸溶液中,以蒽醌为原料,以锌为还原试剂,于70-120℃下分批加入盐酸,维持温度反应即得9,9’-联二蒽。
6.根据权利要求5所述的合成方法,所述盐酸加完后于70-120℃下反应2-15小时。
7.根据权利要求6所述的合成方法,所述盐酸于80-110℃下分批加入,加完后再于80-110℃下反应2-10小时。
8.根据权利要求5所述的合成方法,所述反应在氮气保护下进行。
CN2009100854400A 2009-05-22 2009-05-22 10,10’-二溴-9,9’-联二蒽的合成方法 Active CN101560140B (zh)

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CN2009100854400A CN101560140B (zh) 2009-05-22 2009-05-22 10,10’-二溴-9,9’-联二蒽的合成方法
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PCT/CN2010/072443 WO2010133129A1 (zh) 2009-05-22 2010-05-05 10,10'-二溴-9,9'-联二蒽的合成方法
KR1020117024901A KR20120022804A (ko) 2009-05-22 2010-05-05 10,10′-디브로모-9,9′-디안트라센의 합성방법
US13/321,774 US20120065438A1 (en) 2009-05-22 2010-05-05 Process for Syntheis of 10,10-Dibromo-9,9-dianthracene

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006061594A2 (en) * 2004-12-06 2006-06-15 Oled-T Limited Electroluminescent materials and devices

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006061594A2 (en) * 2004-12-06 2006-06-15 Oled-T Limited Electroluminescent materials and devices

Non-Patent Citations (3)

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Martin Baumgarten.Synthesis and optical properties of novel blue fluorescent conjugated polymers.《Phys.Chem.Chem.Phys》.1999,1699-1706. *
Uwe Muller.Novel Oligo(9,10-anthrylene)s:Models for Electron Transfer and High-Spin Formation.《J.Am.Chem.Soc》.1995,第117卷(第21期),第5840-5850页. *
麦裕良.10,10"-二溴-9,9"-联二蒽化合物的合成研究.《广东化工》.2007,第34卷(第7期), *

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