Synthesis and Properties of Optically Active [7]Helicene-Fused Oxanorbornene Polymers by Ring-Opening Metathesis

被引：2

作者：

Fujikata, Kazuki ^{[1
]}

Gon, Masayuki ^{[2
]}

Tanaka, Kazuo ^{[2
]}

Chujo, Yoshiki ^{[2
]}

Tsurusaki, Akihiro ^{[1
]}

Kamikawa, Ken ^{[1
]}

机构：

[1] Osaka Metropolitan Univ, Grad Sch Sci, Dept Chem, Sakai, Osaka 5998531, Japan

[2] Kyoto Univ, Grad Sch Engn, Dept Polymer Chem, Kyoto 6158510, Japan

来源：

MACROMOLECULES | 2023年 / 56卷 / 12期

关键词：

ONE HUNDRED YEARS; STEREOSELECTIVE SYNTHESES; POLYIMIDES; CHIRALITY;

D O I：

10.1021/acs.macromol.3c00588

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Opticallyactive [7]helicene-fused oxanorbornene polymerspoly-1 were synthesized by ring-opening-metathesis polymerization(ROMP) of monomer 2, which was easily accessed by [4+ 2] cycloaddition of in situ-generated [7]helicenyl aryne and furan.The optical resolution of rac-2 usinga chiral stationary phase afforded optically active (P)-2 and (M)-2. Of thevarious Grubbs catalysts tested, the first-generation one was foundto be optimal for this ROMP. The chiroptical properties of the polymerswere studied using circular dichroism and circularly polarized luminescence.

引用

页码：4550 / 4555

页数：6

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