JP5745397B2 - 非対称アントラセン誘導体の製造方法及びこれを用いた有機電界発光素子 - Google Patents
非対称アントラセン誘導体の製造方法及びこれを用いた有機電界発光素子 Download PDFInfo
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Description
(a)化1で示される化合物と化2で示される化合物とを反応させて、化3で示される化合物を形成するステップ、
(b)化3で示される化合物の環化反応によって、化4で示される化合物を形成するステップ、及び
(c)化4で示される化合物のアントラセンの10番炭素の位置にアリール基を置換させるステップ、
を含む化5で示されるアントラセン誘導体を製造する方法を提供する。
前記アルキル基、シクロアルキル基、ヘテロシクロアルキル基、アリール基、及びヘテロアリール基は、それぞれ独立に、炭素数1〜30のアルキル、炭素数2〜30のアルケニル、炭素数2〜30のアルキニル、炭素数5〜30のアリール、炭素数5〜30のヘテロアリール、炭素数5〜30のアリールオキシ、炭素数1〜30のアルキルオキシ、炭素数5〜30のアリールアミノ、炭素数5〜30のジアリールアミノ、炭素数5〜30のアリールアルキル、炭素数5〜30のシクロアルキル、炭素数5〜30のヘテロシクロアルキル及びハロゲン原子からなる群から選択される少なくとも1つで置換されるものであることができる。
本発明に係るアントラセン誘導体の製造方法は、下記の反応式1で示すことができる。
[反応式1]
前記化2の化合物は、目的のアントラセン誘導体の2番炭素に置換しようとするアルキル基、アリール基、ヘテロアリール基と同様なアルキル基、アリール基又はヘテロアリール基をR2として含む化合物である。
上記の(c)は、化4の化合物の10番炭素にアリール基(Ar2)を置換させるステップであって、当業界で周知のカップリング反応で行うことができる。より具体的には、化4で示される化合物の10番炭素の位置にハロゲンを置換した後、スズキカップリング反応により、化5で示される化合物を形成することができる。
前記ハロゲン化反応は、0〜200℃、好ましくは、20〜120℃の温度で、1〜24時間かけて行われ、不活性溶媒の存在下で行うことができる。前記不活性溶媒としては、例えば、N,N−ジメチルホルムアミド、N,N−ジメチルアセトアミド、N−メチルピロリドン、ジメチルスルホキシド、四塩化炭素、クロロベンゼン、ジクロロベンゼン、ニトロベンゼン、トルエン、キシレン、水などが挙げられ、これらは、単独で又は混合して使用されることができる。
前記スズキカップリング反応は、一般に、常圧下で、窒素、アルゴン、ヘリウムなどの不活性雰囲気下で行われるが、必要に応じて加圧の条件下で行うこともできる。また、前記スズキカップリング反応は、15〜300℃、好ましくは、30〜200℃の温度で1〜48時間かけて行うことができる。
実施例1−1
実施例1−2
1H NMR (CDCl3): δ2.02(s), 2.08(s), 7.15-7.51(m); HRMS for C36H30O4Na [M+Na]+: calcd 549, found 549.
1H NMR (CDCl3): δ7.25-7.60(m, 12H), 7.69-7.80(m, 6H), 7.95(s, 1H), 8.00(d, 1H), 8.07(d, 1H), 8.46(s, 1H); HRMS for C32H22 [M]+: calcd 406, found 406.
実施例1−3
上記で得られた化合物を窒素雰囲気下でトルエン1Lに溶解させた後、ここに、2−ナフタレニルボロン酸51.6g(0.3mol)、テトラキストリフェニルホスフィンパラジウム9.3g(8.1mmol)、炭酸ナトリウム31.4g(0.3mol)、水300mLを投入した。この反応混合物を3時間かけて還流攪拌を行った。反応溶液を約60℃に冷やし、シリカゲルでろ過した後、トルエン層を抽出した。その抽出液を濃縮して有機溶媒を除去し、メタノールを加え、固体を生成させた。この固体をろ過して黄褐色のものを得た。これをメチレンクロリドで溶解させた後、メタノールを少しずつ加え、淡いクリーム色固体のアントラセン誘導体Cpd1 122g(収率58%)を得た。
このアントラセン誘導体を質量分析及びNMR(図1参照)などによって同定した。
C42H28に対する成分分析: calcd C 94.70, H 5.30, found C 94.90, H 5.10; HRMS for C42H28 [M]+: calcd 532, found 532.
上記の実施例1−1の4−ビフェニルマグネシウムブロミドと実施例1−3の2−ナフタレニルボロンと酸を、下記の表1に記載の通りに変化させた以外は、実施例1と同様にしてCpd2〜Cpd24のアントラセン誘導体を製造した。
次のような方法で有機電界発光素子を製造した。
用意したITO(インジウムスズ酸化物;陽極)上にDS−205(DOOSAN社製)を800Åの厚さで熱真空蒸着を行うことで正孔注入層を形成し、この正孔注入層の上にNPB(N,N−ジ(ナフタレン−1−イル)−N,N−ジフェニルベンジジン)を150Åの厚さで真空蒸着することで正孔輸送層を形成した。上記の実施例1〜24で製造されたCpd1〜Cpd24のアントラセン誘導体のそれぞれに、下記の化8で示される化合物を5%ドープし、これを前記正孔輸送層の上に300Åの厚さで真空蒸着して発光層を形成し、この発光層の上に電子輸送物質であるAlq3を250Åの厚さで真空蒸着した。次に、電子注入物質であるLiFを10Åの厚さで蒸着し、アルミニウム(陰極)を2000Åの厚さで真空蒸着することで有機発光素子を製作した。
Claims (3)
- (a)下記の化1で示される化合物と下記の化2で示される化合物とを反応させて、下記の化3で示される化合物を形成するステップであって、化1で示される化合物と化2で示される化合物とのモル当量比が1:1〜1:10である、ステップ、
(b)化3で示される化合物の環化反応によって、下記の化4で示される化合物を形成するステップ、及び
(c)化4で示される化合物のアントラセンの10番炭素の位置にアリール基を置換させるステップ、
を含む化5で示されるアントラセン誘導体の製造方法:
(式中、Zは、MgX(Xはハロゲンである)、Li又はNaであり、R2は、フェニル、ナフチルまたはビフェニリルであり、Ar2は、C5〜C30のアリール基又はC5〜C30のヘテロアリール基であり、
前記アリール基、及びヘテロアリール基は、それぞれ独立に、炭素数1〜30のアルキル、炭素数2〜30のアルケニル、炭素数2〜30のアルキニル、炭素数5〜30のアリール、炭素数5〜30のヘテロアリール、炭素数5〜30のアリールオキシ、炭素数1〜30のアルキルオキシ、炭素数5〜30のアリールアミノ、炭素数5〜30のジアリールアミノ、炭素数5〜30のアリールアルキル、炭素数5〜30のシクロアルキル、炭素数5〜30のヘテロシクロアルキル及びハロゲン原子からなる群から選択される少なくとも1つで置換されるものであることができる)。 - 前記ステップ(b)では、化3で示される化合物をアセチル化した後、環化反応を行うことを特徴とする請求項1に記載のアントラセン誘導体の製造方法。
- 前記ステップ(c)では、化4で示される化合物のアントラセンの10番炭素の位置にハロゲンを置換した後、Ar2−B(OH)2の化合物とスズキカップリング反応を行うことにより、化5で示される化合物を形成することを特徴とする請求項1に記載のアントラセン誘導体の製造方法。
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| JP5627209B2 (ja) * | 2009-09-14 | 2014-11-19 | キヤノン株式会社 | 新規ピレン化合物およびそれを有する有機el素子 |
| CN104744349B (zh) * | 2010-11-04 | 2017-09-22 | 捷恩智株式会社 | 电子传输材料及使用其的有机电激发光元件 |
| WO2012070535A1 (ja) * | 2010-11-25 | 2012-05-31 | Jnc株式会社 | 電子輸送材料およびこれを用いた有機電界発光素子 |
| JP2013227251A (ja) * | 2012-04-25 | 2013-11-07 | Jnc Corp | 電子輸送材料およびこれを用いた有機電界発光素子 |
| KR101434726B1 (ko) * | 2012-05-07 | 2014-08-27 | 주식회사 두산 | 안트라센 유도체 및 이를 이용한 유기 전계 발광 소자 |
| KR20150119431A (ko) | 2013-02-22 | 2015-10-23 | 이데미쓰 고산 가부시키가이샤 | 안트라센 유도체, 유기 일렉트로 루미네선스 소자용 재료, 유기 일렉트로 루미네선스 소자, 및 전자 기기 |
| CN103554011B (zh) * | 2013-10-30 | 2016-03-16 | 吉林奥来德光电材料股份有限公司 | 一种含蒽类衍生物、制备方法及其应用 |
| CN103539625A (zh) * | 2013-10-30 | 2014-01-29 | 吉林奥来德光电材料股份有限公司 | 一类含蒽类化合物、制备方法及其应用 |
| CN103664495B (zh) * | 2013-12-10 | 2016-07-06 | 京东方科技集团股份有限公司 | 蒽类衍生物及制备方法、应用和有机发光器件 |
| KR20150077586A (ko) * | 2013-12-27 | 2015-07-08 | 주식회사 두산 | 유기 전계 발광 소자 |
| KR102844041B1 (ko) * | 2016-02-26 | 2025-08-11 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 유기 화합물, 발광 소자, 발광 장치, 전자 기기, 및 조명 장치 |
| CN112823434B (zh) * | 2018-10-16 | 2025-06-03 | 出光兴产株式会社 | 有机电致发光元件和电子设备 |
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| BE1003403A7 (fr) | 1989-11-28 | 1992-03-17 | Continental Photo | Solution chimiluminescente a base d'anthracene substitue. |
| KR100464972B1 (ko) * | 2002-08-06 | 2005-01-06 | 주식회사 이엘엠 | 청색발광재료9,10-비스[4-(2,2-디페닐비닐)페닐]안트라센(dpva)의제조방법 |
| US7839074B2 (en) * | 2002-08-23 | 2010-11-23 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence device and anthracene derivative |
| TWI290582B (en) * | 2004-07-06 | 2007-12-01 | Au Optronics Corp | Anthracene compound and organic electroluminescent device including the anthracene compound |
| KR100887870B1 (ko) * | 2006-04-12 | 2009-03-06 | 주식회사 엘지화학 | 신규한 안트라센 유도체, 이의 제조방법 및 이를 이용한유기전자소자 |
| US7733009B2 (en) * | 2006-04-27 | 2010-06-08 | Global Oled Technology Llc | Electroluminescent device including an anthracene derivative |
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| JP2011519970A (ja) | 2011-07-14 |
| KR100974125B1 (ko) | 2010-08-04 |
| US20110065924A1 (en) | 2011-03-17 |
| WO2009139579A3 (ko) | 2010-02-11 |
| WO2009139579A9 (ko) | 2009-12-23 |
| WO2009139579A2 (ko) | 2009-11-19 |
| JP2014166981A (ja) | 2014-09-11 |
| US8134035B2 (en) | 2012-03-13 |
| KR20090118528A (ko) | 2009-11-18 |
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