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

Ghadamyari Marzieh; Chaemchuen Somboon; Zhou Kui; Dusselier Michiel; Sels Bert F.; Mousavi Bibimaryam; Verpoort Francis

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

机译：L-乳酸的立体纯L，L丙交酯的一步合成

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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.

机译：聚（乳酸）（PLA）广泛用作许多应用的环保化合物。立体纯丙交酯的合成，特别是L，L-丙交酯，其是用于合成高质量PLA的最需要的异构体非常重要。在这项工作中，各种材料包括MOF和简单碱基被用作丙交酯合成的催化剂。本文通过施加成本效率的CS2CO3催化剂，在没有外消旋化的情况下，在没有外向化的情况下报告L，L-L-LACTEDE的一步合成，并在没有外向性的情况下。新颖的描述程序甚至预期对工业应用非常有效。

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来源
《Catalysis Communications》 |2018年第2018期|共4页
作者
Ghadamyari Marzieh; Chaemchuen Somboon; Zhou Kui; Dusselier Michiel; Sels Bert F.; Mousavi Bibimaryam; Verpoort Francis;
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作者单位

Wuhan Univ Technol State Key Lab Adv Technol Mat Synth &

Proc Lab Organometall Catalysis &

Ordered Mat Wuhan 430070 Hubei Peoples R China;

Wuhan Univ Technol State Key Lab Adv Technol Mat Synth &

Proc Lab Organometall Catalysis &

Ordered Mat Wuhan 430070 Hubei Peoples R China;

Wuhan Univ Technol State Key Lab Adv Technol Mat Synth &

Proc Lab Organometall Catalysis &

Ordered Mat Wuhan 430070 Hubei Peoples R China;

Katholieke Univ Leuven Ctr Surface Chem &

Catalysis Kasteelpk Arenberg 23 B-3001 Heverlee Belgium;

Katholieke Univ Leuven Ctr Surface Chem &

Catalysis Kasteelpk Arenberg 23 B-3001 Heverlee Belgium;

Wuhan Univ Technol State Key Lab Adv Technol Mat Synth &

Proc Lab Organometall Catalysis &

Ordered Mat Wuhan 430070 Hubei Peoples R China;

Wuhan Univ Technol State Key Lab Adv Technol Mat Synth &

Proc Lab Organometall Catalysis &

Ordered Mat Wuhan 430070 Hubei Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Lactic acid; Poly lactic acid; Lactide; MOFs; Cesium carbonate;

机译：乳酸;聚乳酸;丙交酯;MOFS;碳酸铯;

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专利

1. One-step synthesis of stereo-pure L,L lactide from L-lactic acid [J] . Ghadamyari Marzieh, Chaemchuen Somboon, Zhou Kui, Catalysis Communications . 2018,第期

机译：L-乳酸的立体纯L，L丙交酯的一步合成
2. Synthesis of L,L-Lactide via Depolymerization of Oligo(L-Lactic Acid) by Microwave Irradiation [J] . Koichi HIRAO, Kazunari MASUTANI, Hitomi OHARA Journal of Chemical Engineering of Japan . 2009,第8a12期

机译：微波辐射低聚L-乳酸解聚合成L，L-丙交酯
3. Synthesis of L,L-Lactide via Depolymerization of Oligo(L-Lactic Acid) by Microwave Irradiation [J] . Hitomi Ohara, Kazunari Masutani, Koichi Hirao Journal of Chemical Engineering of Japan . 2009,第9期

机译：微波辐射低聚L-乳酸解聚合成L，L-丙交酯
4. Synthesis and Characterization of L-Lactide and Polylactic Acid (PLA) from L-Lactic Acid for Biomedical Applications [C] . Rahmayetty, Sukirno, Bambang Prasetya, International Symposium of Biomedical Engineering . 2017

机译：L-乳酸对生物医学应用的L-丙交酯和聚乳酸（PLA）的合成与表征
5. A comparison of poly(L-lactic acid) and poly(D,L-lactide co-glycolide) biodegradable fibers as drug delivery devices. [D] . Borneman, Angela Fayann. 2002

机译：聚（L-乳酸）和聚（D，L-丙交酯乙交酯）可生物降解纤维作为药物输送装置的比较。
6. Blending with Poly(l-lactic acid)Improves the Printability of Poly(l-lactide-co-caprolactone) and Enhances the Potential Applicationin Cartilage Tissue Engineering [O] . Ruiping Duan, Yimeng Wang, Yiyun Zhang, 2021

机译：与聚（L-乳酸）混合改善聚（L-丙交酯 - 共己内酯）的可印刷性增强潜在应用在软骨组织工程中
7. Effects of poly(L-lactide-ε-caprolactone) and magnesium hydroxide additives on physico-mechanical properties and degradation of poly(L-lactic acid) [O] . Eun Young Kang, Eugene Lih, Ik Hwan Kim, 2016

机译：聚（L-丙交酯-ε-己内酯）和氢氧化镁添加剂对聚（L-乳酸）的物理力学性能和降解的影响
8. Precipitation of Poly(L-Lactic Acid) and Composite Poly(L-Lactic Acid)-PyreneParticles by Rapid Expansion of Supercritical Solutions [R] . Tom, J. W., Debenedetti, P. G. 1994

机译：超临界溶液快速膨胀沉淀聚L-乳酸和复合聚L-乳酸 - 苯乙烯颗粒

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

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