Catalytic asymmetric FriedelâCrafts reaction of pyrrole with nitroalkenes was smoothly catalyzed by newly synthesized nitro-substituted imidazolineâaminophenol (1b)âCu complex to give the adduct with up to 92% ee.
新合成的硝基取代
咪唑啉â
氨基苯酚 (1b)â
铜复合物顺利催化了
吡咯与硝基烯烃的催化不对称Friedel–Crafts反应,产物的对映体过量达到92%。