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Metal-Free,Visible-Light-Induced Selective C?C Bond Cleavage of Cycloalkanones with Molecular Oxygen |
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| Authors: | Hong Xin Prof?Dr Xin-Hua Duan Dr Le Liu Prof?Dr Li-Na Guo |
| Institution: | 1. Department of Chemistry, School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of, Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049 P. R. China;2. Department of Chemistry, School of Chemistry, Xi'an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of, Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049 P. R. China
State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000 P. R. China |
| Abstract: | A metal-free, visible-light-induced oxidative C?C bond cleavage of cycloketones with molecular oxygen is described. Cooperative Brønsted-acid catalysis and photocatalysis enabled selective C?C bond cleavage of cycloketones to generate an array of γ-, δ- and ?-keto esters under very mild conditions. Mechanistic studies indicate that singlet molecular oxygen (1O2) is responsible for this transformation. |
| Keywords: | C?C bond cleavage cycloalkanones metal-free singlet molecular oxygen visible-light catalysis |