5-(5,5-dimethyl-1,3-dioxan-2-yl)-3'-trifluoromethylvalerophenone

5-(5,5-dimethyl-1,3-dioxan-2-yl)-4'-ethylvalerophenone

4'-tert-butyl-5-(5,5-dimethyl-1,3-dioxan-2-yl)valerophenone

4-(5,5-dimethyl-1,3-dioxan-2-yl)-4'-isopropoxybutyrophenone

4-(5,5-dimethyl-1,3-dioxan-2-yl)-5'-fluoro-2'-methylbutyrophenone

4-(5,5-dimethyl-1,3-dioxan-2-yl)-1'-butyronaphthone

5-(5,5-dimethyl-1,3-dioxan-2-yl)-4'-phenylvalerophenone

2',5'-Dichloro-3-(1,3-dioxan-2-yl)propiophenone

3',4'-Dichloro-3-(1,3-dioxan-2-yl)propiophenone

9-[4-(5,5-dimethyl-1,3-dioxan-2-yl)butyryl]anthracene

2-(1,3-Dioxolan-2-yl)-1-phenyl-ethanone