Synthesis of optically active star polymers consisting of helical poly(phenylacetylene) chains by the living polymerization of phenylacetylenes and their chiroptical properties

被引：2

作者：

Inaba, Ayato ^{[1
]}

Nishimura, Tatsuya ^{[1
]}

Yamamoto, Masato ^{[1
]}

Das, Sandip ^{[2
]}

Yurtsever, Ayhan ^{[2
]}

Miyata, Kazuki ^{[2
]}

Fukuma, Takeshi ^{[2
]}

Kawaguchi, Seigo ^{[3
]}

Kikuchi, Moriya ^{[4
]}

Taniguchi, Tsuyoshi ^{[2
]}

Maeda, Katsuhiro ^{[1
,2
]}

机构：

[1] Kanazawa Univ, Grad Sch Nat Sci & Technol, Kakuma machi, Kanazawa 9201192, Japan

[2] Kanazawa Univ, Nano Life Sci Inst WPI NanoLSI, Kakuma machi, Kanazawa 9201192, Japan

[3] Yamagata Univ, Grad Sch Organ Mat Sci, Dept Organ Mat Sci, 4-3-16, Jonan, Yonezawa 9928510, Japan

[4] Yamagata Univ, Fac Engn, 4-3-16, Jonan, Yonezawa 9928510, Japan

来源：

RSC ADVANCES | 2023年 / 13卷 / 44期

关键词：

MACROMOLECULAR HELICITY; AMPLIFICATION; ASSEMBLIES;

D O I：

10.1039/d3ra05971e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Star polymers consisting of three helical poly(phenylacetylene) chains with a precisely controlled molecular weight (molar mass dispersity < 1.03) were successfully synthesized by the living polymerization of phenylacetylene derivatives with a Rh-based multicomponent catalyst system comprising trifunctional initiators, which have three phenylboronates centered on a benzene ring, the Rh complex [Rh(nbd)Cl](2), diphenylacetylene, triphenylphosphine, and a base. The analysis of chiroptical properties of the optically active star polymers obtained by the living polymerization of optically active phenylacetylene derivatives revealed that the star polymers exhibited chiral amplification properties owing to their unique topology compared with the corresponding linear polymers.

引用

页码：30978 / 30984

页数：7

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