William D. Emmons

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William D. Emmons
Born (1924-11-18)November 18, 1924
Died December 8, 2001(2001-12-08) (aged 77)
Nationality American
Institutions Rohm and Haas
Alma mater University of Minnesota
Known for Horner-Wadsworth-Emmons reaction

William D. Emmons (November 18, 1924 – December 8, 2001) was an American chemist and published together William S. Wadsworth a modifications to the Wittig-Horner reaction using phosphonate-stabilized carbanions now called the Horner-Wadsworth-Emmons reaction or HWE reaction or Horner-Wittig reaction


Emmons studied at the University of Minnesota and served in the Pacific in World War II and avoided being drafted for the Korean War by working for the Redstone Arsenal Research of Rohm and Haas. Where he worked until his retirement in 1989.