Polymerization of cyclic esters using N-heterocyclic carbene carboxylate catalysts

被引：39

作者：

Brule, Emilie ^{[1
,2
]}

Guerineau, Vincent ^{[3
]}

Vermaut, Philippe ^{[4
]}

Prima, Frederic ^{[4
]}

Balogh, Janos ^{[5
]}

Maron, Laurent ^{[6
]}

Slawin, Alexandra M. Z. ^{[5
]}

Nolan, Steven P. ^{[5
]}

Thomas, Christophe M. ^{[1
]}

机构：

[1] Chim ParisTech, UMR CNRS 7223, F-75005 Paris, France

[2] Univ Paris 06, F-75005 Paris, France

[3] CNRS, Ctr Rech Gif, Inst Chim Subst Nat, F-91198 Gif Sur Yvette, France

[4] Chim ParisTech, UMR CNRS 7045, F-75005 Paris, France

[5] Univ St Andrews, EaStCHEM Sch Chem, St Andrews KY16 9ST, Fife, Scotland

[6] Univ Toulouse, INSA, UPS, CNRS UMR5215,LPCNO, F-31077 Toulouse, France

来源：

POLYMER CHEMISTRY | 2013年 / 4卷 / 08期

关键词：

RING-OPENING POLYMERIZATION; MOLECULAR-ORBITAL METHODS; RAC-BETA-BUTYROLACTONE; GAUSSIAN-TYPE BASIS; ANIONIC-POLYMERIZATION; LIVING POLYMERIZATION; HYDROGEN CARBONATES; ORGANIC CATALYSTS; LACTIDE; COPOLYMERIZATION;

D O I：

10.1039/c3py00108c

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The ring-opening polymerization of beta-butyrolactone and lactide in solvent-free conditions and using NHC carboxylates as a (pre)catalyst is described. This class of catalysts enables the synthesis of aliphatic polyesters. These organocatalysts, which are easily synthesized, are remarkably robust, thus allowing the use of a bench-top reaction setup. In addition, NHC carboxylates are highly active in bulk conditions without the use of additives. Also, we have demonstrated for the first time that decarboxylation of NHC carboxylates depends on the nature of solvents under polymerization conditions.

引用

页码：2414 / 2423

页数：10

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