Activity of a New Chromium(III) Complex with a Pentadentate (N3O2) Schiff-Base Ligand in the Reaction of Carbon Dioxide with Propylene Oxide

被引:2
|
作者
Chukanova, O. M. [1 ]
Bazhenova, T. A. [1 ]
Sheverdenkina, O. G. [1 ]
Manakin, Yu. V. [1 ]
Yakushev, I. A. [2 ]
Kornev, A. B. [1 ]
Sedov, I. V. [1 ,3 ]
机构
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia
[3] Moscow MV Lomonosov State Univ, Fac Fundamental Phys & Chem Engn, Moscow 119991, Russia
关键词
carbon dioxide; catalysts; kinetics; chromium complex; propylene oxide; SALEN COMPLEXES; COPOLYMERIZATION; CATALYSTS; KINETICS; CO2;
D O I
10.1134/S0023158421030010
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
The reaction of carbon dioxide with propylene oxide was carried out in the presence of a new pentadentate chromium complex, dichloro[2,6-diacetylpyridine bis(4-tert-butylbenzoylhydrazone)]chromium(III). The reaction kinetics was studied under different reaction conditions (temperature, pressure, and catalyst concentration). Optimal conditions for the synthesis of cyclic carbonate in the presence of the new chromium complex were found. The effective activation energy of the formation of cyclic carbonate was determined. The catalyst activity significantly depended on the substituent R in a 2,6-diacetylpyridine bis(4-R-benzoylhydrazone) ligand.
引用
收藏
页码:428 / 435
页数:8
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