Preparation of .alpha.,.beta.-unsaturated carbocyclic ketones by reacting an enol lactone with a carbanion generated by treatment of a methylphosphonate or a mono-substituted methylphosphonate with base.
通过将烯醇内酯与由
甲基膦酸酯或单取代
甲基膦酸酯经碱处理生成的碳负离子反应,制备α,β-不饱和碳环酮。