Phosphorus, sulfur, and silicon and the related elements · 2000 · 10 citations · 2 references
Natural SciencesChemistryOrganic ChemistryHeterocycle SynthesisHeterocyclic ChemistryOrganic SynthesisAlkylation ReactionsOne-pot Heterocycle Synthesis
Abstract 2-Phosphoryl-(2–4), 2-sulfinyl-(5) and 2-sulfonyl-2,3-alkadienoates (6 and 7) were prepared in an one-pot reaction by a [2,3]-sigmatropic rearangement of the heteroatom-substituted 2-alkynoates obtained from ethyl propynoate and subsequent treatment with lithium diisopropylamide, ketone, trimethylchlorosilane and phosphorus- or sulfur-containing chloride.
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