Direct synthesis of alkynylphosphonates from alkynes and phosphite esters catalyzed by Cu/Cu2O nanoparticles supported on Nb2O5

被引：15

作者：

Yuan, Tao ^{[1
]}

Chen, Fei ^{[2
]}

Lu, Guo-ping ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Chem Engn Coll, Xiaolingwei 200, Nanjing 210094, Jiangsu, Peoples R China

[2] Minist Environm Protect, Nanjing Inst Environm Sci, Jiangwangmiao 8, Nanjing 210042, Jiangsu, Peoples R China

来源：

NEW JOURNAL OF CHEMISTRY | 2018年 / 42卷 / 16期

关键词：

ONE-POT SYNTHESIS; H-PHOSPHONATES; TERMINAL ALKYNES; COPPER NANOPARTICLES; VISIBLE-LIGHT; BETA-KETOPHOSPHONATES; COUPLING REACTION; OXIDES; EFFICIENT; TRANSFORMATION;

D O I：

10.1039/c8nj03206h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The aerobic oxidative coupling of alkynes and phosphite esters can be catalyzed by Cu/Cu2O nanoparticles supported on Nb2O5 (Cu/Cu2O@Nb2O5) to efficiently afford alkynylphosphonates. The catalyst can be reused by filtration and reduction. According to the results of control experiments and characterization data, the supporter Nb2O5 can reduce the electronic density of Cu and absorb the phosphite esters due to its strong Lewis acid sites, which may enhance the reaction efficiently.

引用

页码：13957 / 13962

页数：6

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