期刊
MOLECULES
卷 24, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/molecules24010100
关键词
electrochemical; ABNO; secondary alcohols; in situ FTIR; ketones
资金
- National Natural Science Foundations of China [21773211, 21776260]
- Natural Science Foundation of Zhejiang Province [LY17B060007]
The ketones was successfully prepared from secondary alcohols using 9-azabicyclo[3.3.1]nonane-N-oxyl (ABNO) as the catalyst and 2,6-lutidine as the base in acetonitrile solution. The electrochemical activity of ABNO for oxidation of 1-phenylethanol was investigated by cyclic voltammetry, in situ Fourier transform infrared spectroscopy (FTIR) and constant current electrolysis experiments. The resulting cyclic voltammetry indicated that ABNO exhibited much higher electrochemical activity when compared with 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) under the similar conditions. A reasonable reaction mechanism of the electrocatalytic oxidation of 1-phenylethanol to acetophenone was proposed. In addition, a series of secondary alcohols could be converted to the corresponding ketones at room temperature in 80-95% isolated yields.
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