Highly dispersed palladium nanoparticles grafted onto nanocrystalline starch for the oxidation of alcohols using molecular oxygen as an oxidant
作者:Sanny Verma、Deependra Tripathi、Piyush Gupta、Raghuvir Singh、Gajendra Mohan Bahuguna、L. N. Shivakumar K、R. K. Chauhan、Sandeep Saran、Suman L. Jain
DOI:10.1039/c3dt51059j
日期:——
Highly dispersed Pd-nanoparticles grafted onto amino-functionalized nanocrystalline starch were found to be excellent heterogeneouscatalysts for the aerobicoxidation of a variety of alcohols to their corresponding carbonylcompounds in excellent yields. The prepared catalyst was found to be selective for the oxidation of primary alcohols to aldehydes without giving over-oxidation products and was recycled
In this article, we present a convenient and green method for synthesis of β-amino carbonyl compounds through ball-milling technique by using aqueous formic acid, which is an inexpensive and highly efficient catalyst. This multi-component reaction was done at room temperature with high anti-selectivity and easy workup. The use of solvent-free ball-milling technique helped to have high yields and more cleanness, besides omitting the need for solvent in this method.