Addition of nucleophiles to (E)-3-phenylsulfonylprop-2-enenitrile: a route to β-substituted α,β-unsaturated nitriles and to acetals of cyanoacetaldehyde - Grayson, David H.; O’Donnell, Stephen H. (ARKIVOC, 2002)
doi: 10.3998/ark.5550190.0004.702