Catalytic asymmetric syntheses of various isoxazoline-N-oxides have been accomplished by asymmetric phase-transfer conjugate addition of bromomalonate to nitroolefins and subsequent ring-closing O-alkylation.
通过
溴代
丙二酸酯与硝基烯烃的不对称相转移共轭加成以及随后的闭环O-烷基化,完成了各种
异恶唑啉-N-氧化物的催化不对称合成。