1,1,1-trifluoropropanone; methyl(trifluoromethyl)dioxirane in dichloromethane T=0°C; 2 h; also dimethyldioxirane efficiently afford cleavage of acetals and ketals to carbonyl products under mild, neutral conditions through α-CH insertion, also react dialkyl ethers and cyclic ethers to alcohols, aldehydes, carboxylic axids or to lactones;
pyridine; [Cu(bipy)2]+; oxygen in acetonitrile T=22°C; P=760 Torr; other methylenic hydrocarbons; other catalyst and oxygenating agent; also in absence of O2; kinetic isotope effect <K> investigation; Product distribution;
参考文献
Journal of the American Chemical Society, , vol. 115, # 2 p. 609 - 614
