New efficient and recyclable catalysts for the synthesis of di- and tri-glycerol carbonates

Aresta M.; Dibenedetto A.; di Bitonto L.

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New efficient and recyclable catalysts for the synthesis of di- and tri-glycerol carbonates

机译：用于合成二醇和三甘油碳酸酯的新型高效和可回收催化剂

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Multifunctional monomers based on glycerol carbonate are employed in the chemical industry for the production of polyurethanes and polycarbonates. To avoid the use of toxic phosgene as carboxylating reagent, eco-friendly routes have been developed using alternative agents. In this paper, a series of binary and ternary oxides have been tested as catalysts in the synthesis of diglycerolether dicarbonate (DGDC) and diglycerol tricarbonate (DGTC) using dimethyl carbonate (DMC) and urea as carboxylating agents. The recovery and reuse of the catalysts are discussed. In the best reaction conditions, using mixed oxides La : Ca = 1 : 1 as catalysts, the yields of DGDC and DGTC were >90 (pure isolated compounds) and 19.9%, respectively.

机译：基于甘油碳酸酯的多官能单体用于化学工业生产聚氨酯和聚碳酸酯。为避免使用毒性光气作为羧化试剂，使用替代剂开发了环保途径。本文使用二甲基酯（DMC）和尿素作为羧化剂，已经在合成二甘氨酸二碳酸酯（DGDC）和二甘油三碳酸酯（DGTC）中的催化剂进行了一系列二元和三元氧化物。讨论了催化剂的回收和再利用。在最佳反应条件下，使用混合氧化物LA：Ca = 1：1作为催化剂，分别为DGDC和DGTC的产率，分别为> 90（纯分离化合物）和19.9％。

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《RSC Advances》 |2015年第79期|共11页
作者
Aresta M.; Dibenedetto A.; di Bitonto L.;
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NUS Dept Chem &

Biomol Engn Singapore 117585 Singapore;

CIRCC I-70126 Bari Italy;

CIRCC I-70126 Bari Italy;

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正文语种 eng
中图分类化学;
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1. New efficient and recyclable catalysts for the synthesis of di- and tri-glycerol carbonates [J] . Aresta M., Dibenedetto A., di Bitonto L. RSC Advances . 2015,第79期

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New efficient and recyclable catalysts for the synthesis of di- and tri-glycerol carbonates

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