Nitrophenylacetonitriles as Versatile Nucleophiles in Enantioselective Organocatalytic Conjugate Additions
作者:M. Belén Cid、Sara Duce、Sara Morales、Eduardo Rodrigo、José Luis García Ruano
DOI:10.1021/ol101178u
日期:2010.8.20
able to participate in organocatalyticMichaeladditions to α,β-unsaturated aldehydes by incorporating a nitro group at the phenyl ring, which acts as a temporary activating group in a remote position and allows further transformations. The sequential protocol Michael addition/NaBH4 reduction/lactonization allows the synthesis of diastereomerically pure disubstituted lactones in high yield and optical