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钯催化烯烃杂环化反应制备[60]富勒烯二氢呋喃化合物

本站小编 Free考研考试/2022-02-14

摘要/Abstract



富勒烯二氢呋喃衍生物在光电、医药等领域具有较好的应用前景, 近年来已成为研究热点. 以氯化钯为催化剂,三氟甲烷磺酸铜为氧化剂, 烯烃衍生物和[60]富勒烯为原料, 通过C—H键活化和杂环化反应, 合成了一系列单取代和双取代的富勒烯二氢呋喃化合物. 利用1H NMR、13C NMR、IR和HRMS等对产物的结构进行了表征. 通过设计对照实验, 对反应机理进行了研究, 提出了可能的反应机理.
关键词: 烯烃, C60, 富勒烯二氢呋喃, 氯化钯, 三氟甲烷磺酸铜
With the good application prospects in the fields of optoelectronics and medicine, dihydrofuran-fused [60]fullerene derivatives have become a research hot topic in recent years. A series of monosubstituted and disubstituted dihydrofuran-fused [60]fullerene derivatives were synthesized by C—H bond activation and heterocyclic reaction using palladium chloride as catalyst, copper trifluoromethanesulfonate as oxidant, olefins and [60]fullerene as raw materials. The structures of the products were confirmed by1H NMR, 13C NMR, IR and HRMS. The reaction mechanism was studied by designing controlled experiments, and a possible reaction mechanism was proposed.
Key words: olefins, C60, dihydrofuran-fused [60]fullerene, palladium chloride, copper(II) trifluoromethanesulfonate


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