Chemistry Letters, Vol.31, No.10, 1042-1043, 2002
Single-step synthesis of cyclooctadienone derivatives by reaction of alkenylcyclobutenones with alkenyllithiums: Enhanced reactivity of 8 pi cyclization by acetylating the intermediary lithium tetraenolate
Various functionalized cyclooctadienones are accessible in high yields by the reaction of alkenylcyclobutenones with alkenyllithiums.