SEARCH Articles Figures Tables Homer-Emmons modification Wittig reaction Horner-Wittig modification Ketones Wittig reaction modification Peterson olefination Wittig reaction modification Schlosser modification of Wittig Schlosser modification of the Wittig Schlosser modification of the Wittig reaction Wittig Reaction modifications Wittig Schlosser modification Wittig reaction Schlosser modification Wittig reaction Wadsworth-Emmons modification Wittig reaction phosphonate modification Wittig reaction, Horner-Emmons modification