Partial Kinetic Resolution of Oxanorbornenes by Ring-Opening Metathesis Polymerization with a Chiral Ruthenium Initiator

被引：11
|
作者：
Daeffler, Christopher S. [1 ]
Miyake, Garret M. [1 ]
Li, Jean [1 ]
Grubbs, Robert H. [1 ]
机构：
[1] CALTECH, Div Chem & Chem Engn, Arnold & Mabel Beckman Lab Chem Synth, Pasadena, CA 91125 USA
来源：
ACS MACRO LETTERS | 2014年 / 3卷 / 01期
关键词：
ENANTIOSELECTIVE SYNTHESIS; CLOSING METATHESIS; ALPHA-OLEFINS; CATALYSTS; POLYMERS;
D O I：
10.1021/mz4005953
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We report the first kinetic resolution by ring-opening metathesis polymerization (KR-ROMP). The polymerization profile showed a solvent-dependent variation of selectivity (S) over the course of the reaction. In tetrahydrofuran and dichloromethane, the resolution selectivity increased over the course of the reaction, while in toluene the selectivity was much higher in the beginning of the reaction and decreased throughout. Evidence suggests that the change in selectivity might be attributed to the chiral secondary structure of the growing polymer chain.
引用
收藏
页码：102 / 104
页数：3
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