Author/Authors :
Simas، نويسنده , , Alessandro Bolis C. and Furtado، نويسنده , , Luis F.O. and Costa، نويسنده , , Paulo R.R.، نويسنده ,
Abstract :
Novel sulphones derived from chromenes through substitution at C-4 were prepared. It has been shown that, after conjugate addition of phenyl lithium and sulphone function manipulation on the adducts, these molecules lead to isoflavan, isoflavene and isoflavanone models.