SEARCH Articles Figures Tables 1.3- Dioxan-5-ones, aldol 1.3- Dioxan-5-ones, aldol reactions 1.4- Dioxan-2-ones 2.2- dimethyl-l,3-dioxane-5-one 5-Methyl-5-benzyloxycarbonyl-l,3-dioxan-2-one 5-alkynylidene-l,3-dioxan-4-ones Benzo-1,3-dioxan-4-ones Benzo-l,3-dioxan-4-one ring Benzo-l,3-dioxan-4-ones