Abstract
Transfer hydrogenation is one of the reactions of high industrial application and copper catalyst is widely used in variety of hydrgenated substrates. Unfortunately, these hydrogenated processes were usually performed at high temperature and pressure as well as high concentration of catalyst. In this study, we have tried to reduce the dangerous condition by using copper nanoparticles as catalyst and the catalytic activity will be evaluated via the transfer hydrogenation of benzaldehyde. Besides, copper nanoparticles were successful prepared by the reduction between CuSO4.5H2O and NaBH4 in the presence of PVP. All catalysts were fully characterized.
Highlights
Transfer hydrogenation is one of the reaction of high industrial applications, and copper catalyst is widely used in various hydrogenated substrates
Transfer hydrogenation has been studied since 1897 1,2; it is still attracting the attention of many researchers by its convenient and powerful method to access a variety of industrial applications from organic synthesis to fine chemicals [3,4]
Copper nanoparticles were synthesized by the reduction of copper sulfate pentahydrate using sodium borohydride as reduction agents
Summary
Transfer hydrogenation is one of the reaction of high industrial applications, and copper catalyst is widely used in various hydrogenated substrates. We have tried to reduce the dangerous condition by using copper nanoparticles as a catalyst, and the catalytic activity will be evaluated via the transfer hydrogenation of benzaldehyde. These results will be presented in this report. In an attempt to explore more the scope of catalytic processes available from embedded copper nanoparticles and reduce the high temperature, pressure, and amount of catalysts, we have tried to test the activity of the copper catalyst in a variety of organic synthesis reactions 21. Among these materials, activated carbon, bentonites, aluminum oxide, zeolites, and zinc oxide
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