JP7554785B2 - ジベンゾフランおよび/またはジベンゾチオフェン構造を有する複素環式化合物 - Google Patents
ジベンゾフランおよび/またはジベンゾチオフェン構造を有する複素環式化合物 Download PDFInfo
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Description
Yは、OまたはSであり、
Xは、出現毎に同一であるかまたは異なり、NまたはCR1、好ましくはCR1、であり、ただし、1つの環中のX基の2以下がNであり、かつCがL2基の結合サイトであり;
Q1、Q2は、それぞれのケースにおいて独立に、電子輸送基であり; L1、L2は、結合または5~30の芳香族環原子を有し、かつ1以上のR1ラジカルによって置換されていてもよい、芳香族またはヘテロ芳香族環系であり;
R1は、出現毎に同一であるかまたは異なり、H、D、F、Cl、Br、I、B(OR2)2、CHO、C(=O)R2、CR2=C(R2)2、CN、C(=O)OR2、C(=O)N(R2)2、Si(R2)3、N(R2)2、NO2、P(=O)(R2)2、OSO2R2、OR2、S(=O)R2、S(=O)2R2、1~40の炭素原子を有する、直鎖の、アルキル、アルコキシもしくはチオアルコキシ基または3~40の炭素原子を有する、分岐もしくは環状の、アルキル、アルコキシもしくはチオアルコキシ基(これらのそれぞれは、1以上のR2ラジカルによって置換されていてもよく、ここで1以上の非隣接CH2基が、-R2C=CR2-、-C≡C-、Si(R2)2、C=O、C=S、C=NR2、-C(=O)O-、-C(=O)NR2-、NR2、P(=O)(R2)、-O-、-S-、SOまたはSO2によって置きかえられていてもよく、かつここで1以上の水素原子がD、F、Cl、Br、I、CNまたはNO2によって置きかえられていてもよい)、または5~40の芳香族環原子を有し、かつそれぞれのケースにおいて1以上のR2ラジカルによって置換されていてもよい、芳香族もしくはヘテロ芳香族環系、または5~40の芳香族環原子を有し、かつ1以上のR2ラジカルによって置換されていてもよい、アリールオキシもしくはヘテロアリールオキシ基、またはこれらの系の組み合わせであり;同時に、2以上の隣接するR1置換基が、共に、単環状もしくは多環状の、脂肪族または芳香族環系を形成していてもよく;
R2は、出現毎に同一であるかまたは異なり、H、D、F、Cl、Br、I、B(OR3)2、CHO、C(=O)R3、CR3=C(R3)2、CN、C(=O)OR3、C(=O)N(R3)2、Si(R3)3、N(R3)2、NO2、P(=O)(R3)2、OSO2R3、OR3、S(=O)R3、S(=O)2R3、1~40の炭素原子を有する、直鎖の、アルキル、アルコキシもしくはチオアルコキシ基または3~40の炭素原子を有する、分岐もしくは環状の、アルキル、アルコキシもしくはチオアルコキシ基(これらのそれぞれは、1以上のR3ラジカルによって置換されていてもよく、ここで1以上の非隣接CH2基が、-R3C=CR3-、-C≡C-、Si(R3)2、C=O、C=S、C=NR3、-C(=O)O-、-C(=O)NR3-、NR3、P(=O)(R3)、-O-、-S-、SOまたはSO2によって置きかえられていてもよく、かつここで1以上の水素原子がD、F、Cl、Br、I、CNまたはNO2によって置きかえられていてもよい)、または5~40の芳香族環原子を有し、かつそれぞれのケースにおいて1以上のR3ラジカルによって置換されていてもよい、芳香族もしくはヘテロ芳香族環系、または5~40の芳香族環原子を有し、かつ1以上のR3ラジカルによって置換されていてもよい、アリールオキシもしくはヘテロアリールオキシ基、またはこれらの系の組み合わせであり;同時に、2以上の隣接するR2置換基が、共に、単環状もしくは多環状の、脂肪族または芳香族環系を形成していてもよく;
R3は、出現毎に同一であるかまたは異なり、H、D、F、または1~20の炭素原子を有する、脂肪族、芳香族および/またはヘテロ芳香族ヒドロカルビルラジカル(ここで、水素原子がFによって置きかえられていてもよい)であり;同時に、2以上の隣接するR3置換基が、共に、単環状もしくは多環状の、脂肪族または芳香族環系を形成していてもよい。
Yは、O、SまたはNR2、好ましくはOまたはSであり;
iは、出現毎に独立に、0、1または2であり;
jは、出現毎に独立に、0、1、2または3であり;
hは、出現毎に独立に、0、1、2、3または4であり;
gは、出現毎に独立に、0、1、2、3、4または5であり;
R2は、上記、特に式(I)、に記載の意味を有していてもよく、かつ
点線は接続位置を示す。
HOMO(eV)=((HEh*27.212)-0.9899)/1.1206
LUMO(eV)=((LEh*27.212)-2.0041)/1.385
以下の合成は、特に明記しない限り、保護ガス雰囲気下、乾燥溶媒中で行われる。溶媒および試薬は、例えば、Sigma-ALDRICHまたはABCRから購入できる。文献から知られている化合物は、対応するCAS番号がそれぞれのケースで記載されている。
a)6-ブロモ-2-フルオロ-2’-メトキシビフェニル
以下の化合物は同様の方法で調整される:
以下の化合物は同様の方法で調整される:
以下の例C1~I19(表1および2を参照)に、種々のOLEDのデータを示す。
実施例および比較例は、本発明の置換基が、電圧および寿命において、他の特性において顕著な損失をもたらすことなく、明確な改善をもたらすことを示す。
実施例および比較例は、発明的な置換が、他の特性の顕著な損失をすることなく、電圧や寿命における顕著な改善をもたらすことを示す。
Claims (10)
- 式(Ia)の構造を含んでなる化合物。
(式中、使用される記号は、以下の通りである:
qは、0または1であり、
Yは、OまたはSであり、
Q1、Q2は、それぞれのケースにおいて独立に、式(Q-4)、(Q-5)、(Q-6)、(Q-7)、(Q-8)、(Q-9)、(Q-10)、(Q-11)、(Q-10a)、(Q-11a)、(Q-12)、(Q-13)、(Q-14)、(Q-15)、(Q-16)、(Q-17)、(Q-18)、(Q-19)、(Q-20)、(Q-21)、(Q-22)、(Q-23)、(Q-25)、(Q-26)、(Q-27)および/または(Q-28)の構造から選択される電子輸送基であり:
式中、点線は接続位置を示し、
lは、0であり;
mは、0であり;
nは、0であり;
Ar1は、6~40の炭素原子を有し、かつそれぞれのケースにおいて1以上のR2ラジカルによって置換されていてもよい、芳香族環系であり;
L1、L2は、結合、または6~30の芳香族環原子を有し、かつ1以上のR1ラジカルによって置換されていてもよい、芳香族環系であり;
R1は、出現毎に同一であるかまたは異なり、D、または5~40の芳香族環原子を有し、かつそれぞれのケースにおいて1以上のR2ラジカルによって置換されていてもよい、芳香族環系であり;
R2は、出現毎に同一であるかまたは異なり、HまたはDであり、
ただし、qが0の場合に、Q1およびQ 2は、式(Q-14)、(Q-15)、(Q-16)、(Q-17)および(Q-18)の構造から選択される電子輸送基ではない) - 前記化合物が式(IIa)で示されることを特徴とする、請求項1に記載の化合物。
(式中、
記号Y、L1、L2、Q1、Q2、R1およびqは、請求項1に記載の意味を有する) - Ar1が、6~12の芳香族環原子を有し、かつ1以上のR2ラジカル(ここで、R2ラジカルは請求項1に記載の意味を有する)によって置換されていてもよい、芳香族環系であることを特徴とする、請求項1または2に記載の化合物。
- 請求項1~3のいずれか一項に記載の1以上の化合物を含む、オリゴマー、ポリマー、またはデンドリマーであって、前記化合物の、前記ポリマー、オリゴマー、またはデンドリマーへの、1以上の結合が存在する、オリゴマー、ポリマー、またはデンドリマー。
- 請求項1~3のいずれか一項に記載の少なくとも1つの化合物および/または請求項4に記載のオリゴマー、ポリマー、もしくはデンドリマー、および蛍光発光体、燐光発光体、ホスト材料、マトリックス材料、電子輸送材料、電子注入材料、正孔伝導材料、正孔注入材料、n-ドーパント、ワイドバンドギャップ材料、電子ブロック材料、および正孔ブロック材料からなる群から選択される少なくとも1つのさらなる化合物を含んでなる組成物。
- 請求項1~3のいずれか一項に記載の少なくとも1つの化合物、請求項4に記載のオリゴマー、ポリマー、もしくはデンドリマー、および/または請求項5に記載の少なくとも1つの組成物、および少なくとも1つの溶剤を含んでなる配合物。
- 請求項1~3のいずれか一項に記載の化合物または請求項4に記載のオリゴマー、ポリマー、もしくはデンドリマーを調製する方法であって、カップリング反応において、少なくとも1つの電子輸送基を含んでなる化合物が、少なくとも1つのベンゾフランおよび/またはベンゾチオフェンラジカルを含んでなる化合物と結合されることを特徴とする方法。
- 請求項1~3のいずれか一項に記載の化合物、請求項4に記載の、オリゴマー、ポリマー、もしくはデンドリマー、または請求項5に記載の組成物の、電子素子における、正孔ブロック材料、電子注入材料および/または電子輸送材料としての使用。
- 請求項1~3のいずれか一項に記載の少なくとも1つの化合物、請求項4に記載の、オリゴマー、ポリマー、もしくはデンドリマー、または請求項5に記載の組成物を含んでなる電子素子。
- 前記電子素子が、有機エレクトロルミネッセンス素子、有機集積回路、有機電界効果トランジスタ、有機薄膜トランジスタ、有機発光トランジスタ、有機太陽電池、有機光検出器、有機感光体、有機電場消光素子、発光電子化学電池、および有機レーザーダイオードからなる群から選択される、請求項9に記載の電子素子。
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| Publication number | Publication date |
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| CN108884087A (zh) | 2018-11-23 |
| KR102740104B1 (ko) | 2024-12-06 |
| TW202340153A (zh) | 2023-10-16 |
| TWI805547B (zh) | 2023-06-21 |
| KR20230010818A (ko) | 2023-01-19 |
| EP3442968A1 (de) | 2019-02-20 |
| WO2017178311A1 (de) | 2017-10-19 |
| JP7444607B2 (ja) | 2024-03-06 |
| US20190165282A1 (en) | 2019-05-30 |
| JP2022068199A (ja) | 2022-05-09 |
| JP2019513833A (ja) | 2019-05-30 |
| KR20250004078A (ko) | 2025-01-07 |
| TW201803855A (zh) | 2018-02-01 |
| JP2024170577A (ja) | 2024-12-10 |
| KR20180133376A (ko) | 2018-12-14 |
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