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Dimethyl acetylmethylphosphonate is a Reagent used together with tosyl azide in a one-pot alkynylation of aldehydes.
Horner-Wadsworth-Emmons precursor of ɑß-unsaturated ketones.
For use of ß-ketophosphonates in an annulation sequence for building a cyclohexadienone ring onto a cyclic ketone, see: Synthesis, 855 (1982):
Successive treatment with NaH and n-BuLi gives the dianion which can be alkylated or acylated on the terminal position: see. e.g.: Synth. Commun., 22, 219 (1992); J. Chem. Soc., Perkin 1, 2259 (1998).
Gefahrenhinweise (EU): H227
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