SYNTHESIS AND CHARACTERIZATION OF CHIRAL POLYMERS INCORPORATING CHIRAL(R)-1,1′-BINAPHTHYL UNITS

SONG Jinfeng; ZOU Xiaowei; CHENG Yixiang; WANG Zhiliu

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SYNTHESIS AND CHARACTERIZATION OF CHIRAL POLYMERS INCORPORATING CHIRAL(R)-1,1′-BINAPHTHYL UNITS

Research Article | 更新时间：2021-03-19

- SYNTHESIS AND CHARACTERIZATION OF CHIRAL POLYMERS INCORPORATING CHIRAL(R)-1,1′-BINAPHTHYL UNITS
- Acta Polymerica Sinica Issue 8, Pages: 1007-1012(2006)
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- Published：20 November 2006，
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SONG Jinfeng, ZOU Xiaowei, CHENG Yixiang, WANG Zhiliu. SYNTHESIS AND CHARACTERIZATION OF CHIRAL POLYMERS INCORPORATING CHIRAL(R)-1,1′-BINAPHTHYL UNITS. [J]. Acta Polymerica Sinica (8):1007-1012(2006)
DOI：

SONG Jinfeng, ZOU Xiaowei, CHENG Yixiang, WANG Zhiliu. SYNTHESIS AND CHARACTERIZATION OF CHIRAL POLYMERS INCORPORATING CHIRAL(R)-1,1′-BINAPHTHYL UNITS. [J]. Acta Polymerica Sinica (8):1007-1012(2006) DOI：

摘要

单体(R)-3

3′-二碘-2

2′-二正丁氧基-1

1′-联萘((R)-M-1)

(R)-6

6′-二溴-2

2′-二正丁氧基-1

1′-联萘((R)-M-2)分别与1

4-二乙烯基-2

3-二丁氧基萘(M-3)

在钯催化下

通过Heck交叉耦合反应合成手性高分子P-1与P-2.单体和高分子进行了1H-NMR、13C-NMR、FT-IR、旋光度、GPC、UV、热分析、荧光光谱和CD等测试分析.高分子侧链上引入丁氧基后使得手性高分子溶解性增强并具有良好的成膜性

手性高分子P-1和P-2都能发射较强的蓝绿色荧光

荧光量子效率分别为0.42和0.48.

Abstract

Two optically active polybinaphthyls P-1 and P-2 were synthesized by(R)-3

3'-diiodo-2

2'-bisbutoxy-1

1’-binaphthyl((R)-M-1)and(R)-6

6'-dibromo-2

2'-bisbutoxy-1

1．-binaphthyl((R)-M-2)with 1

4-divinyl-2

3-bisbutoxy—naphthalene(M-3)via Heck coupling reaction catalyzed by PdAc2

respectively．Their structure and properties were characterized by NMR

GPC

FT-IR

circulal dichrosim(CD)

fluorescent spectroscopy and thermal analysis．The butoxy substitutents on naphthyl and binaphthyl rings as side chains of the polymers can improve their solubility in organic solvents and make them easy to be processed as electro—optical sensors．Both polymers show high thermal stability and have strong blue fluorescence due to the efficient energy migration from the extended π-electronic structure of the polymers to the chiral binaphthyl core．Photoluminesenee effcieneies(φPL)of P-1 and P-2 are 0．42 and 0．48

and they are expected to be used as blue—green emitting polymet matefials．

关键词

（R）-BINOL手性高分子荧光光谱圆二色谱Heck反应

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