A CuO–CeO2 nanocomposite in the presence of amberlite-supported azide has been used for the click synthesis of 1,4-disubstituted-1,2,3-triazoles in good yields. This catalyst can be reused several times without any significant decrease in the catalytic activity.
Synthesis of a heterogeneous Cu(OAc)<sub>2</sub>-anchored SBA-15 catalyst and its application in the CuAAC reaction
作者:Nan Sun、Zhongqi Yu、Hong Yi、Xiayue Zhu、Liqun Jin、Baoxiang Hu、Zhenlu Shen、Xinquan Hu
DOI:10.1039/c7nj04495j
日期:——
A dinuclear Cu(OAc)2-anchored SBA-15 silica was synthesized, confirmed and showed excellent catalytic activity for the azide–alkyne cycloaddition reaction in water.
An efficient and green copper(II) acetylacetonate‐catalyzed protocol for the Huisgen‐click reaction in water at 100 °C has been established. The protocol was not only suitable for the reaction between organic azides and alkynes, but also suitable for one‐pot three‐component reaction among alkyl halides, NaN3 and alkynes.
Highly efficient click reaction on water catalyzed by a ruthenium complex
作者:Hai Xiao Siyang、Hui Ling Liu、Xin Yan Wu、Pei Nian Liu
DOI:10.1039/c4ra12960a
日期:——
The highlyefficient click reaction between terminal alkynes and azides has been achieved on water using rutheniumcomplex RuH2(CO)(PPh3)3 as the catalyst, and the catalyst loading was decreased to 0.2 mol% on water from 5 mol% in organic solvent. The RuH2(CO)(PPh3)3/H2O system also catalyzed the one-pot click reaction of bromides, sodium azide and alkynes; in this process, azides formed in situ and
Zn/C-Catalyzed Cycloaddition of Azides and Aryl Alkynes
作者:Xu Meng、Xiaoyun Xu、Tingting Gao、Baohua Chen
DOI:10.1002/ejoc.201000610
日期:——
Charcoal impregnated with zinc was able to catalyze the cycloaddition of organic azides and alkynes to provide the corresponding 1,4-disubstituted 1,2,3-triazoles and 1,4,5-trisubstituted 1,2,3-triazoles in good to excellent yields. Noteworthy was that the novel and heterogeneous catalyst was successfully applied in this cycloaddition reaction for the first time and could also be easily recycled.