Anionic ring-opening polymerization of β-alkoxymethyl-substituted β-lactones

被引：38

作者：

Adamus, Grazyna ^{[1
]}

Kowalczuk, Marek ^{[1
]}

机构：

[1] Polish Acad Sci, Ctr Polymer & Carbon Mat, PL-41800 Zabrze, Poland

来源：

BIOMACROMOLECULES | 2008年 / 9卷 / 02期

关键词：

D O I：

10.1021/bm701077v

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

We report on anionic ring-opening polymerization (ROP) of racemic beta-(methoxymethyl)-beta-propiolactone (MOMPL) and beta-(ethoxymethyl)-beta-propiolactone (EOMPL) initiated by supramolecular complex of potassium acetate and tetrabutylammonium acetate (Bu4N+Ac) as well as by tetrabutylammonium hydroxide, respectively. Structure of the resulting polymers has been established at the molecular level by electrospray ionization multistage mass spectrometry (ESI-MSn) and has been confirmed by FT-IR, NMR, and GPC analyses. Similar behavior of MOMPL and EOMPL with respect to already-studied beta-alkyl-substituted beta-lactones, e.g., beta-butyrolactone (MPL), has been observed under the conditions of anionic ROP (including observed side reactions leading to unsaturated end groups) and the already-established mechanisms of anionic polymerization of beta-alkyl-substituted beta-lactones are extended on beta-alkoxymethyl-substituted ones.

引用

页码：696 / 703

页数：8

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