Precise Synthesis of End-Functionalized Oligo(2,5-dialkoxy-1,4-phenylene vinylene)s with Controlled Repeat Units via Combined Olefin Metathesis and Wittig-Type Coupling

被引：18

作者：

Abdellatif, Mohamed Mehawed ^{[1
]}

Nomura, Kotohiro ^{[1
,2
]}

机构：

[1] Tokyo Metropolitan Univ, Dept Chem, Fac Sci & Engn, Hachioji, Tokyo 1920397, Japan

[2] Japan Sci & Technol Agcy JST, Adv Catalyt Transformat Carbon Utilizat ACT C, Kawaguchi, Saitama 3320012, Japan

来源：

ORGANIC LETTERS | 2013年 / 15卷 / 07期

基金：

日本科学技术振兴机构;

关键词：

ALL-TRANS OLIGOMERS; CONJUGATED POLYMERS; MOLECULAR-WEIGHT; PV-OLIGOMERS; POLY(ETHYLENE GLYCOL); BAND-GAP; MOLYBDENUM; POLYMERIZATION; POLY(MACROMONOMER)S; SUGARS;

D O I：

10.1021/ol400397p

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The precise synthesis of chemically, analytically pure oligo(2,5-dialkoxy-1,4-phenylene vinylene)s [OPVs, alkoxy = O(CH2)(2)OSiiPr(3)] with strictly controlled repeat units (up to 15 repeat units) and well-defined end groups has been achieved by a combined olefin metathesis reaction of 2,5-dialkon-1,4 divinylbenzene or their derivatives with a molybdenum-alkylidene complex and the subsequent Wittig-type cleavage with their dicarboxaldehyde analogues. The effects of the repeat units and the end functional groups toward their UV-vis and the fluorescence spectra have been clearly demonstrated.

引用

页码：1618 / 1621

页数：4

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