Synthesis of cinchona alkaloid squaramide polymers as bifunctional chiral organocatalysts for the enantioselective michael addition of β-ketoesters to nitroolefins
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DOI: 10.1016/j.mcat.2017.06.010
Abstract: Abstract Novel chiral polymers containing cinchona-based squaramides in their main chain structure were designed. We synthesized chiral squaramides bearing two cinchona moieties, which contain double bonds. Repeated Mizoroki-Heck reactions between the double bonds of the… read more here.
Keywords: michael addition; ketoesters nitroolefins; addition ketoesters; cinchona ... See more keywords