JP2008239567A - 5、6及び7環を有する重合性化合物、該化合物を含有する重合性液晶組成物 - Google Patents
5、6及び7環を有する重合性化合物、該化合物を含有する重合性液晶組成物 Download PDFInfo
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- JP2008239567A JP2008239567A JP2007084455A JP2007084455A JP2008239567A JP 2008239567 A JP2008239567 A JP 2008239567A JP 2007084455 A JP2007084455 A JP 2007084455A JP 2007084455 A JP2007084455 A JP 2007084455A JP 2008239567 A JP2008239567 A JP 2008239567A
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- 125000000217 alkyl group Chemical group 0.000 claims description 23
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- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- 125000005843 halogen group Chemical group 0.000 claims description 10
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- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 3
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Abstract
Description
本願発明は、一般式(I)
一般式(I)で表される化合物は、より具体的には、下記の一般式(I-1)〜一般式(I-17)で表される。
(製法1) 一般式(I-1)で表される化合物の製造
4-ヒドロキシ安息香酸と6-クロロヘキサノールを水酸化ナトリウムなど適当な塩基の存在下でエーテル化させた後、酸触媒を用いたアクリル酸とのエステル化反応で重合性基を有する安息香酸誘導体(S-3)を得る。
メチルハイドロキノンと4-ヒドロキシ安息香酸とを酸触媒を用いたエステル化反応で反応させてフェノール化合物(S-9)を得る。
一般式(II-1)〜(II-8)において、rおよびsはそれぞれ独立的に3〜6の整数が特に好ましい。
このような化合物の中でも耐熱性や耐久性の点から、一般式(III-2)、(III-5)、(III-6)、(III-7)、(III-8)の化合物が好ましく、一般式(III-2)の化合物が特に好ましい。
この他にも重合性官能基を分子内に2つ以上持つ重合性化合物としては、一般式(a-1) 〜 一般式(a-9)のような化合物を含有させることができる。
これらの中でも、一般式(a-2)、(a-3)の化合物の利用は好ましい。uおよびvはそれぞれ独立的に3〜18が好ましく、4〜16が好ましく、6〜12がさらに好ましい。
さらに、液晶温度範囲や複屈折率の調節、粘度低減を目的として一般式(IV)
更に、コレステリック液晶組成物等に用いる場合は、重合性キラル化合物の添加量は、0.1〜40質量%が好ましい。さらに本発明の重合性液晶組成物には、重合性官能基を有する化合物であって、液晶性を示さない化合物を添加することもできる。このような化合物としては、通常、この技術分野で高分子形成性モノマーあるいは高分子形成性オリゴマーとして認識されるものであれば特に制限なく使用することができるが、その添加量は組成物として液晶性を呈するように調整する必要がある。
(実施例1)
撹拌装置、冷却器、及び温度計を備えた反応容器に4-ヒドロキシ安息香酸 13.8g(100ミリモル)、ヨウ化カリウム 2.5g、エタノール 400mlを仕込み室温で攪拌した。水酸化ナトリウム 8gを溶解させた水溶液200mlをゆっくり滴下した。滴下終了後、反応容器を50℃に保ち、6-クロロヘキサノール 20.5g(150ミリモル)をゆっくり滴下した。滴下終了後、反応容器を更に80℃に加温して更に3時間反応させた。反応終了後、10%塩酸で中和して酢酸エチルで抽出を行い、硫酸ナトリウムで乾燥後、溶媒を濃縮して式(1)に示す化合物(中間体1)を18g合成した。
(物性値)
1H−NMR(溶媒:重クロロホルム):δ:8.14(d,4H),7.32(m,4H),7.14(m,4H)6.97(m,4H),6.92(m,3H),6.42(d,2H),6.13(q,2H),5.83(d,2H),4.18(t,4H),4.05(m,4H),3.08(m,4H),2.89(m,4H),2.07(s,3H),1.86−1.82(m,4H),1.74−1.71(m,4H),1.57−1.47(m,8H)
13C−NMR(溶媒:重クロロホルム):δ:165.9,163.2,162.3,150.5,149.0,132.1,130.4,129.2,128.4,123.7,122.5,121.8,121.5,119.7,114.2,68.0,64.5,35.2,30.4,29.0,28.6,25.8,25.7,
赤外吸収スペクトル(IR)(KBr):2925,2855,1765,1652−1622,810
(融点)95℃
撹拌装置、冷却器、温度計及び窒素導入管を備えた反応容器に、実施例1で合成した中間体(4)10g(24ミリモル)、実施例1の中間体(2)と同様な方法で合成した4-(3-アクリロイルオキシプロピルオキシ)安息香酸 12g(48ミリモル)、ジメチルアミノピリジン700mg、塩化メチレン 200mlを仕込こみ、氷冷バスにて5℃以下に反応容器を保ち。窒素ガスの雰囲気下でジイソプロピルカルボジイミド 7.3g(57ミリモル)をゆっくり滴下した。滴下終了後、反応容器を室温に戻し5時間反応させた。反応液をろ過した後、ろ液に塩化メチレン100mlを加え、10%塩酸水溶液で洗浄し、更に飽和食塩水で洗浄し、有機層を無水硫酸ナトリウムで乾燥させた。溶媒を留去した後、シリカゲルカラムおよび再結晶により精製を行い式(6)に示す目的の化合物 18gを得た。この化合物の融点は142℃であり、190℃まで幅広くネマチック液晶相を示した。
(物性値)
1H−NMR(溶媒:重クロロホルム):δ:8.14(d,4H),7.32(m,4H),7.14(m,4H)6.97(m,4H),6.92(m,3H),6.42(d,2H),6.13(q,2H),5.83(d,2H),4.18(t,4H),4.05(m,4H),3.08(m,4H),2.89(m,4H),2.20(m,4H),2.07(s,3H),1.55−1.47(s,4H)
13C−NMR(溶媒:重クロロホルム):δ:165.9,163.2,162.3,150.5,149.0,132.1,130.4,129.2,128.4,123.7,122.5,121.8,121.5,119.7,114.2,64.6,61.1,35.2,30.4,28.6,
赤外吸収スペクトル(IR)(KBr):2925,2855,1765,1652−1622,810
(融点)142℃
撹拌装置、冷却器、温度計及び窒素導入管を備えた反応容器に、実施例1で合成した中間体(4)4g(10ミリモル)、実施例1の中間体(2)と同様な方法で合成した4-(5-アクリロイルオキシ-3-オキソペンチルオキシ)安息香酸 5.6g(20ミリモル)、ジメチルアミノピリジン300mg、塩化メチレン 100mlを仕込こみ、氷冷バスにて5℃以下に反応容器を保ち。窒素ガスの雰囲気下でジイソプロピルカルボジイミド 3g(24ミリモル)をゆっくり滴下した。滴下終了後、反応容器を室温に戻し5時間反応させた。反応液をろ過した後、ろ液に塩化メチレン100mlを加え、10%塩酸水溶液で洗浄し、更に飽和食塩水で洗浄し、有機層を無水硫酸ナトリウムで乾燥させた。溶媒を留去した後、シリカゲルカラムおよび再結晶により精製を行い式(7)に示す目的の化合物 6.5gを得た。この化合物の融点は95℃であり、138℃まで幅広くネマチック液晶相を示した。
1H−NMR(溶媒:重クロロホルム):δ:8.14(d,4H),7.32(m,4H),7.14(m,4H)6.97(m,4H),6.92(m,3H),6.42(d,2H),6.13(q,2H),5.83(d,2H),4.36(m,4H),4.22(m,4H),3.91(m,4H),3.84(m,4H),3.08(m,4H),2.87(m,4H),2.07(s,3H),
13C−NMR(溶媒:重クロロホルム):δ:165.9,163.2,162.3,150.5,149.0,132.1,130.4,129.2,128.4,123.7,122.5,121.8,121.5,119.7,114.2,68.0,66.0,64.5,63.2,35.2,30.4,
赤外吸収スペクトル(IR)(KBr):2925,2855,1765,1652−1622,810
(融点)95℃
撹拌装置、冷却器及びディーンスタックを備えた反応容器に、p-ヒドロキシ安息香酸11.1g(80ミリモル)、メチルハイドロキノン 5g(40.3ミリモル)アクリル酸、p-トルエンスルホン酸 0.5g、キシレン100mlを仕込んだ。反応容器を加熱してキシレンを還流させそのまま4時間反応させた。反応終了後、反応液を室温に冷却し、結晶物をろ過した。更に結晶を酢酸エチルで洗浄、乾燥して式(8)に示す化合物(中間体5)11gを得た。
更に撹拌装置備えたオートクレーブ容器に、上記で合成した化合物22g、パラジウムカーボン 1.1g、エタノール150ml、酢酸エチル50mlを仕込み、0.5mPaの圧力下で水素還元反応(反応温度50℃、3時間)を行った。反応液をろ過した後、反応溶媒を留去して式(9)に示す化合物(中間体6)16.8gを得た。
(物性値)
1H−NMR(溶媒:重クロロホルム):δ:8.24(d,4H),7.19−7.13(m,11H),6.86(m,4H),6.42(d,2H),6.13(q,2H),5.83(d,2H),4.18(m,4H),3.93(m,4H),3.03(m,4H),2.89(m,4H),2.24(s,3H),1.81−1.78(m,4H),1.73−1.69(m,4H),1.48−1.45(m,8H)
13C−NMR(溶媒:重クロロホルム):δ:170.6,165.9,163.2,162.3,157.6,154.7,149.0,131.6,130.3,129.2,128.4,123.7,122.5,121.8,121.7,119.9,114.5,67.8,64.5,36.3,30.1,29.2,28.6,25.8,25.7,16.5,
赤外吸収スペクトル(IR)(KBr):2925,2855,1765,1652−1622,810
(融点)87℃
(実施例4)
以下に示す組成の重合性液晶組成物(組成物1)を調製した。
(比較例1)
以下に示す組成の重合性液晶組成物(組成物3)を調製した。
(比較例2)
以下に示す組成の重合性液晶組成物(組成物4)を調製した。
Claims (7)
- 一般式(I)
- M1、M2、M3およびM4がお互い独立して、1,4−シクロヘキシレン基、1,4−フェニレン基又はナフタレン−2,6−ジイル基を表し、X1、X2、X3およびX4の何れか一つがアルキル基、ハロゲン化アルキル基、アルコキシ基又はハロゲン基を表し、mおよびnの合計が2を表す請求項1記載の重合性化合物。
- L2およびL3がお互い独立して、―COOC2H4−、―OCOC2H4−、−C2H4OCO−又は−C2H4COO−を表し、L1、L4、L5およびL6がお互い独立して、−O−、−S−、−OCH2−、−CH2O−、−CO−、―COO−、−OCO−、―CH=CH−COO−、−OOC−CH=CH−、―COOCH2−又は−CH2COO−で表される請求項1又は2記載の重合性化合物。
- L5およびL6がお互い独立して、―COOC2H4−、―OCOC2H4−、−C2H4OCO−又は−C2H4COO−を表し、L1、L2、L3およびL4がお互い独立して、−O−、−S−、−OCH2−、−CH2O−、−CO−、―COO−、−OCO−、―CH=CH−COO−、−OOC−CH=CH−、―COOCH2−又は−CH2COO−で表される請求項1または2記載の重合性化合物。
- S1およびS2が炭素数2〜10のアルキレン基を表す請求項1から4記載の重合性化合物。
- 請求項1から5記載の重合性化合物を含有する重合性液晶組成物。
- 請求項6記載の重合性液晶組成物を用いた光学異方体。
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JP2018035126A (ja) * | 2016-09-02 | 2018-03-08 | Dic株式会社 | 重合性化合物及び光学異方体 |
CN109715761A (zh) * | 2016-09-09 | 2019-05-03 | Dic株式会社 | 聚合性液晶组合物、以及使用其的光学膜 |
WO2018047806A1 (ja) * | 2016-09-09 | 2018-03-15 | Dic株式会社 | 重合性液晶組成物、及び、それを用いた光学フィルム |
JP2018120150A (ja) * | 2017-01-27 | 2018-08-02 | Jnc株式会社 | 異方性光変換材料用の組成物 |
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