Zwitterionic Iron(II) Compounds: Synthesis, Reactivity, and Catalytic Carbonylative Polymerization of Cyclic Ethers
Zwitterionic Iron(II) Compounds: Synthesis, Reactivity, and Catalytic Carbonylative Polymerization of Cyclic Ethers
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两性离子铁 (II) 化合物:环醚的合成、反应性和催化羰基化聚合
DOI:
10.1021/acs.organomet.1c00463
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发表时间:
2021
期刊:
影响因子:
2.8
通讯作者:
Jia, Li
中科院分区:
文献类型:
--
作者:
Dai, Yiwei;Lyu, Jingqing;Zhu, Linhui;Schrage, Briana R.;Ziegler, Christopher J.;Jia, Li
The generality of the zwitterionic strategy to design catalysts for carbonylative polymerization of cyclic ethers has been validated by applying it to Fe. The acyl group of the zwitterionic Fe catalyst is less electrophilic than that of the zwitterionic Ni catalyst, but the thermal stability of the octahedral Fe complex allows the copolymerization to be carried out at relatively high temperatures. The selectivity for carbonylative enchainment achieved at such temperatures with the Fe catalyst is markedly better than that previously achieved with the Ni analogs at room temperature.
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