Horner-Wadsworth-Emmons reaction

== English == === Etymology === In 1958, Leopold Horner published a modified Wittig reaction using phosphonate-stabilized carbanions. William S. Wadsworth and William D. Emmons further defined the reaction. === Noun === Horner-Wadsworth-Emmons reaction (plural Horner-Wadsworth-Emmons reactions) A chemical reaction used in organic chemistry of stabilized phosphonate carbanions with aldehydes (or ketones) to produce predominantly E-alkenes. ==== Alternative forms ==== HWE reaction (initialism) ==== Synonyms ==== Horner-Wittig reaction