Fitjer, Lutz; Quabeck, Ulrike. The Wittig Reaction Using Potassium-tert-butoxide High Yield Methylenations of Sterically Hindered Ketones. Synthetic Communications. 1985, 15 (10): 855–864. doi:10.1080/00397918508063883.
Fitjer, Lutz; Quabeck, Ulrike. The Wittig Reaction Using Potassium-tert-butoxide High Yield Methylenations of Sterically Hindered Ketones. Synthetic Communications. 1985, 15 (10): 855–864. doi:10.1080/00397918508063883.
Georg Wittig, Ulrich Schöllkopf. Über Triphenyl-phosphin-methylene als olefinbildende Reagenzien I. Chemische Berichte. 1954, 87: 1318. doi:10.1002/cber.19540870919.
Georg Wittig, Werner Haag. Über Triphenyl-phosphin-methylene als olefinbildende Reagenzien II. Chemische Berichte. 1955, 88: 1654–1666. doi:10.1002/cber.19550881110.
B. E. Maryanoff & A. B. Reitz. The Wittig olefination reaction and modifications involving phosphoryl-stabilized carbanions. Stereochemistry, mechanism, and selected synthetic aspects. Chem. Rev. 1989, 89 (4): 863–927. doi:10.1021/cr00094a007.