The reaction of cinchonidine (cinchonine)-derived ammonium salts with nitroolefins in the presence of Cs2CO3 to afford optically active isoxazoline N-oxides with excellent ee and high de values has been developed.
在Cs2CO3的存在下,
辛可尼定(
辛可宁)衍生的
铵盐与硝基烯烃的反应已得到具有良好ee和高de值的光学活性
异恶唑啉N-氧化物。