JP2020527125A - 縮合環化合物及びその製造方法と用途 - Google Patents
縮合環化合物及びその製造方法と用途 Download PDFInfo
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- JP2020527125A JP2020527125A JP2019532970A JP2019532970A JP2020527125A JP 2020527125 A JP2020527125 A JP 2020527125A JP 2019532970 A JP2019532970 A JP 2019532970A JP 2019532970 A JP2019532970 A JP 2019532970A JP 2020527125 A JP2020527125 A JP 2020527125A
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- 239000010409 thin film Substances 0.000 description 1
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
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Abstract
【選択図】図1
Description
前記ヘテロアリール基は、独立して窒素、硫黄、酸素、リン、ホウ素又はケイ素から選択されるヘテロ原子を少なくとも一つ有する。)
R1、R2は、互いに独立して、水素、ハロゲン、シアノ基、C1〜C30の置換もしくは無置換のアルキル基、C2〜C30の置換もしくは無置換のアルケニル基、C2〜C30の置換もしくは無置換のアルキニル基、C3〜C30の置換もしくは無置換のシクロアルキル基、C1〜C30の置換もしくは無置換のアルコキシ基、C1〜C30の置換もしくは無置換のシリル基、C6〜C60の置換もしくは無置換のアリール基、又はC3〜C30の置換もしくは無置換のヘテロアリール基から選択されるものであり、
Ar1、Ar2は、互いに独立して、水素、ハロゲン、シアノ基、C1〜C30の置換もしくは無置換のアルキル基、C2〜C30の置換もしくは無置換のアルケニル基、C2〜C30の置換もしくは無置換のアルキニル基、C3〜C30の置換もしくは無置換のシクロアルキル基、C1〜C30の置換もしくは無置換のアルコキシ基、C1〜C30の置換もしくは無置換のシリル基、C6〜C60の置換もしくは無置換のアリール基、又はC3〜C30の置換もしくは無置換のヘテロアリール基から選択されるものであり、
R1a、R2a、R5a、R6a、R7aは、互いに独立して、水素、ハロゲン、シアノ基、C1〜C30の置換もしくは無置換のアルキル基、C2〜C30の置換もしくは無置換のアルケニル基、C2〜C30の置換もしくは無置換のアルキニル基、C3〜C30の置換もしくは無置換のシクロアルキル基、C1〜C30の置換もしくは無置換のアルコキシ基、C1〜C30の置換もしくは無置換のシリル基、C6〜C60の置換もしくは無置換のアリール基、又はC3〜C30の置換もしくは無置換のヘテロアリール基から選択されるものである。
式(A)で表される化合物と式(B)で表される化合物を出発原料とし、触媒の作用下でカップリング反応させて中間体1を得、中間体1を環化させて中間体2を得、中間体2と化合物T3-L-Ar1を触媒の作用下で、置換又はカップリング反応させて式(I)で表される化合物を得ることを含む。
式(C)で表される化合物と式(E)で表される化合物を出発原料とし、触媒の作用下で、カップリング反応させて中間体3を得、中間体3を環化させて中間体4を得、中間体4のニトロ基を還元させた後、カップリング反応させて中間体5を得、中間体5と化合物T3-L-Ar1を触媒の作用下で、置換又はカップリング反応させて式(II)で表される化合物を得ることを含む。
窒素の保護下で、500mL三つ口フラスコに、12.8g式(C-1)で表される化合物(50mmol)、8.8gの3-クロロ-2-フルオロニトロベンゼン(50mmol)(式(E-1)で表される化合物)、19.5g炭酸セシウム(60mmol)、ジメチルスルホキシド200mLを加え、15時間反応させ、トルエンで抽出し、ロータリーエバポレーターで溶剤を除去し、シリカカラムクロマトグラフィーを行って14.8g固形中間体3-1を得た(収率72%)。
窒素の保護下で、500mL三つ口フラスコに、12.4g中間体3-1(30mmol)、0.6g酢酸パラジウム(3.0mmol)、2.2gトリシクロヘキシルホスフィンテトラフルオロボレート(6.0mmol)、29.1g炭酸セシウム(90mmol)、o-キシレン150mLを加え、2時間加熱還流反応させ、クロロホルムで抽出し、ロータリーエバポレーターで溶剤を除去し、シリカカラムクロマトグラフィーを行って8.5g固形中間体4-1を得た(収率75%)。
窒素の保護下で、7.9g中間体4-1(21mmol)、18.9g塩化第一すず二水和物(84mmol)、15mL塩酸、120mLエタノールを加え、60℃で10時間反応させ、クロロホルムで抽出し、水洗、塩洗し、無水硫酸マグネシウムで乾燥させ、ロータリーエバポレーターで溶剤を除去し、乾燥させた後反応フラスコに移し、0.19gトリ(ジベンジリデンアセトン)ジパラジウム(0.21mmol)、150mLトルエンを加え、110℃で8時間反応させた後、室温まで冷却し、クロロホルムで抽出し、水洗し、ロータリーエバポレーターで溶剤を除去した後、シリカカラムクロマトグラフィーを行って5.13g固形中間体5-1を得た(収率71%)。
窒素の保護下で、3.4g中間体5-1(10mmol)、3.2g化合物 (12mmol)、3.4g炭酸セシウム(10mmol)、0.6gの4-ジメチルアミノピリジン(5.0mmol)、ジメチルスルホキシド40mLを加え、100℃で3時間反応させ、室温まで冷却した後、トルエンで抽出し、ロータリーエバポレーターで溶剤を除去し、シリカカラムクロマトグラフィーを行って4.6g固形化合物D-3を得た(収率85%)。
窒素の保護下で、8.7g式(A-1)で表される化合物(30mmol)、6.7gの1-ブロモ-2-ニトロベンゼン(33mmol)、0.2g酢酸パラジウム(1.0mmol)、0.66gトリt-ブチルホスフィン(3.5mmol)、9.3gナトリウムt-ブトキシド、トルエン1000mLを秤量し、110℃で12時間反応させ、室温まで冷却した後、クロロホルムで抽出し、ロータリーエバポレーターで溶剤を除去し、シリカカラムクロマトグラフィーを行って10.5g固形中間体1-1を得た(収率85%)。
窒素の保護下で、8.2g中間体1-1(20mmol)、21.6g塩化第一すず二水和物(96mmol)、17mL塩酸、250mLエタノールを加え、60℃で10時間反応させ、クロロホルムで抽出し、水洗、塩洗し、無水硫酸マグネシウムで乾燥させ、ロータリーエバポレーターで溶剤を除去し、乾燥させた後、反応フラスコに移し、0.22gトリ(ジベンジリデンアセトン)ジパラジウム(0.24mmol)、200mLトルエンを加え、110℃で8時間反応させた後、室温まで冷却し、クロロホルムで抽出し、水洗し、ロータリーエバポレーターで溶剤を除去した後、シリカカラムクロマトグラフィーを行って4.8g固形中間体2-1を得た(収率70%)。
窒素の保護下で、3.5g中間体2-1(10mmol)、3.2g化合物 (12mmol)、3.4g炭酸セシウム(10mmol)、0.6gの4-ジメチルアミノピリジン(5mmol)、ジメチルスルホキシド40mLを加え、100℃で3時間反応させ、室温まで冷却した後、トルエンで抽出し、ロータリーエバポレーターで溶剤を除去し、シリカカラムクロマトグラフィーを行って4.7g固形縮合環化合物D-1を得た(収率85%)。
示差走査熱量計(DSC)により本特許の材料に対してガラス転移温度を測定し、測定範囲を室温〜400℃とし、昇温速度10℃/min、窒素雰囲気とした。
表1
表2
2 正孔注入層
3 正孔輸送層
4 発光層
5 電子輸送層
6 電子注入層
7 陰極
Claims (10)
-
前記ヘテロアリール基は、独立して窒素、硫黄、酸素、リン、ホウ素又はケイ素から選択されるヘテロ原子を少なくとも一つ有する。) - R1、R2は、互いに独立して、水素、ハロゲン、シアノ基、置換もしくは無置換のC1〜C30アルキル基、置換もしくは無置換のC2〜C30アルケニル基、置換もしくは無置換のC2〜C30アルキニル基、置換もしくは無置換のC3〜C30シクロアルキル基、置換もしくは無置換のC1〜C30アルコキシ基、置換もしくは無置換のC1〜C30シリル基、置換もしくは無置換のC6〜C60アリール基、又は置換もしくは無置換のC3〜C30ヘテロアリール基から選択されるものであり、
Ar1、Ar2は、互いに独立して、水素、ハロゲン、シアノ基、置換もしくは無置換のC1〜C30アルキル基、置換もしくは無置換のC2〜C30アルケニル基、置換もしくは無置換のC2〜C30アルキニル基、置換もしくは無置換のC3〜C30シクロアルキル基、置換もしくは無置換のC1〜C30アルコキシ基、置換もしくは無置換のC1〜C30シリル基、置換もしくは無置換のC6〜C60アリール基、又は置換もしくは無置換のC3〜C30ヘテロアリール基から選択されるものであり、
R1a、R2a、R5a、R6a、R7aは、互いに独立して、水素、ハロゲン、シアノ基、置換もしくは無置換のC1〜C30アルキル基、置換もしくは無置換のC2〜C30アルケニル基、置換もしくは無置換のC2〜C30アルキニル基、置換もしくは無置換のC3〜C30シクロアルキル基、置換もしくは無置換のC1〜C30アルコキシ基、置換もしくは無置換のC1〜C30シリル基、置換もしくは無置換のC6〜C60アリール基、又は置換もしくは無置換のC3〜C30ヘテロアリール基から選択されるものであることを特徴とする請求項1に記載の縮合環化合物。 - 前記Ar1、Ar2は、互いに独立して、下記の基から選択されるいずれかであり、前記R1、R2、R1a、R2a、R5a、R6a、R7aは、互いに独立して、水素又は下記の基から選択されるいずれかであることを特徴とする請求項1又は2に記載の縮合環化合物、
- 前記R1、R2及びAr1は、少なくとも一つの電子吸引基、及び/又は少なくとも一つの電子供与基を含むことを特徴とする請求項1〜3のいずれか1項に記載の縮合環化合物。
- 前記式(I)で表される化合物の合成工程は、
式(A)で表される化合物と式(B)で表される化合物を出発原料とし、触媒の作用下で、カップリング反応させて中間体1を得、中間体1を環化させた後中間体2を得、中間体2と化合物T3-L-Ar1を触媒の作用下で、置換又はカップリング反応させて式(I)で表される化合物を得ることを含み、
前記式(I)で表される化合物の合成経路は、
前記式(II)で表される化合物の合成工程は、
式(C)で表される化合物と式(E)で表される化合物を出発原料とし、触媒の作用下で、カップリング反応させて中間体3を得、中間体3を環化させて中間体4を得、中間体4のニトロ基を還元させた後、カップリング反応させて中間体5を得、中間体5と化合物T3-L-Ar1を触媒の作用下で、置換又はカップリング反応させて式(II)で表される化合物を 得ることを含み、
前記式(II)で表される化合物の合成経路は、
で示されることを特徴とする請求項1〜5のいずれか1項に記載の縮合環化合物の製造方法。 - 請求項1〜5のいずれか1項に記載の縮合環化合物の有機エレクトロルミネッセンス材料としての使用。
- 少なくとも一つの機能層に請求項1〜5のいずれか1項に記載の縮合環化合物が含まれることを特徴とする有機エレクトロルミネッセンスデバイス。
- 前記機能層が発光層であることを特徴とする請求項8に記載の有機エレクトロルミネッセンスデバイス。
- 前記発光層材料がホスト材料とゲスト発光染料を含み、前記ホスト材料が前記縮合環化合物であることを特徴とする請求項9に記載の有機エレクトロルミネッセンスデバイス。
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