1: With sulfur dioxide; cesium fluoride in acetonitrile T=20°C; 24 h; 2: With 1-(chloromethyl)-4-fluoro-1,4-diazoniabicyclo-[2.2.2]octane bis(tetrafluoroborate) in acetonitrile T=-40 - 20°C; 4 h; Further stages. Title compound not separated from byproducts.;
参考文献
Journal of Organic Chemistry, , vol. 72, # 24 p. 9046 - 9052