One-step synthesis of stereo-pure L,L lactide from L-lactic acid

被引：27

作者：

Ghadamyari, Marzieh ^{[1
,2
]}

Chaemchuen, Somboon ^{[1
,2
]}

Zhou, Kui ^{[1
]}

Dusselier, Michiel ^{[4
]}

Sels, Bert F. ^{[4
]}

Mousavi, Bibimaryam ^{[1
]}

Verpoort, Francis ^{[1
,2
,3
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Lab Organometall Catalysis & Ordered Mat, Wuhan 430070, Hubei, Peoples R China

[2] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Hubei, Peoples R China

[3] Natl Res Tomsk Polytech Univ, Lenin Ave 30, Tomsk 634050, Russia

[4] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, Kasteelpk Arenberg 23, B-3001 Heverlee, Belgium

来源：

CATALYSIS COMMUNICATIONS | 2018年 / 114卷

基金：

俄罗斯基础研究基金会;

关键词：

Lactic acid; Poly lactic acid; Lactide; MOFs; Cesium carbonate; PLASTICS; DEPOLYMERIZATION; OLIGOMER;

D O I：

10.1016/j.catcom.2018.06.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Poly (lactic acid) (PLA) is extensively used as an eco-friendly compound for many applications. The synthesis of stereo-pure lactide, specifically L,L-lactide which is the most desired isomer for the synthesis of high-quality PLA is very important. In this work, various materials including MOFs and simple bases have been applied as catalysts for the Lactide synthesis. Herein we report the one-step synthesis of L,L-lactide with high selectivity and yield (99%) in the absence of racemization by applying a cost-effective Cs2CO3 catalyst. The novel described procedure is even expected to be very efficient for industrial applications.

引用

页码：33 / 36

页数：4

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