NOUVEAUX ETHYLENIQUES CAPTO DATIFS DU TYPE BROMO-3 PROPENE-2 NITRILES SUBSTITUES A PARTIR DES GEM DICYANO EPOXYDES.

Article abstract of DOI:10.1016/S0040-4020(01)81702-6

Reactive α-cyano, β-bromo enolates generated from the ring opening of gem dicyano epoxides by Li2NiBr4, are readily trapped by electrophilic reagents to give bromo ethylenic derivatives substituted at the same carbon by a releasing group (OR) and a withdr