3-Chloro-2-[(diethoxyphosphoryl)oxy]-1-propene: a new reagent for a one-pot cyclopentenone annelation. Synthesis of desoxyallethrolone, cis-jasmone, and methylenomycin B
Studies on Conjugated Nitriles. VII. Lewis Acid-Promoted Reaction of Active Methylene Compounds with Diethyl Phosphorocyanidate; Preparation of .ALPHA.,.BETA.-Unsaturated .ALPHA.-Aminophosphonates.