SEARCH Articles Figures Tables Condensation of Phosphonium Ylides with Carbonyl Compounds Wittig Reaction Methylenation, Wittig condensation Olefination Wittig condensation Ring closure Wittig condensation Symmetrical carotenoids 92 Wittig condensation Wittig condensation chain extension Wittig condensation extension Wittig condensation in -sinularene synthesis Wittig condensation intramolecular Wittig condensation of olefin Wittig condensation protection Wittig-Homer condensation Wittig-Homer condensation intramolecular Wittig-Horner condensation Wittig-type condensation