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Synthesis of lactide from alkyl lactates catalyzed by lanthanide salts

Tatevik Artushevna Egiazaryan 1, 2
Tatevik Artushevna Egiazaryan
, 
Valentin Mikhailovich Makarov 1, 2
Valentin Mikhailovich Makarov
, 
Mikhail Vladimirovich Moskalev 2
Mikhail Vladimirovich Moskalev
, 
Danila Aleksandrovich Razborov 2
Danila Aleksandrovich Razborov
, 
Igor Leonidovich Fedushkin 1, 2
Igor Leonidovich Fedushkin
10.1016/j.mencom.2019.11.014
Published 2019-11-01
Communication , Volume 29, Issue 6, 648-650
16
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Egiazaryan T. A. et al. Synthesis of lactide from alkyl lactates catalyzed by lanthanide salts // Mendeleev Communications. 2019. Vol. 29. No. 6. pp. 648-650.
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Egiazaryan T. A., Makarov V. M., Moskalev M. V., Razborov D. A., Fedushkin I. L. Synthesis of lactide from alkyl lactates catalyzed by lanthanide salts // Mendeleev Communications. 2019. Vol. 29. No. 6. pp. 648-650.
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TY - JOUR
DO - 10.1016/j.mencom.2019.11.014
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2019.11.014
TI - Synthesis of lactide from alkyl lactates catalyzed by lanthanide salts
T2 - Mendeleev Communications
AU - Egiazaryan, Tatevik Artushevna
AU - Makarov, Valentin Mikhailovich
AU - Moskalev, Mikhail Vladimirovich
AU - Razborov, Danila Aleksandrovich
AU - Fedushkin, Igor Leonidovich
PY - 2019
DA - 2019/11/01
PB - Mendeleev Communications
SP - 648-650
IS - 6
VL - 29
ER -
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@article{2019_Egiazaryan,
author = {Tatevik Artushevna Egiazaryan and Valentin Mikhailovich Makarov and Mikhail Vladimirovich Moskalev and Danila Aleksandrovich Razborov and Igor Leonidovich Fedushkin},
title = {Synthesis of lactide from alkyl lactates catalyzed by lanthanide salts},
journal = {Mendeleev Communications},
year = {2019},
volume = {29},
publisher = {Mendeleev Communications},
month = {Nov},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2019.11.014},
number = {6},
pages = {648--650},
doi = {10.1016/j.mencom.2019.11.014}
}
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Egiazaryan, Tatevik Artushevna, et al. “Synthesis of lactide from alkyl lactates catalyzed by lanthanide salts.” Mendeleev Communications, vol. 29, no. 6, Nov. 2019, pp. 648-650. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2019.11.014.

Abstract

Cerium salt exhibited a highest catalytic activity in the conversion of ethyl and isopropyl oligolactates into lactide. A maximum yield of the target product was reached at the concentration of CeCl3·7H2O ranging from 1 to 4 mol% relative to the lactide units in ethyl and isopropyl oligolactates. A gradual reduction of the pressure from 50 to 5 Torr along with the temperature increase from 180 to 230°C during depolymerization resulted in the product containing up to 94% lactide.

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