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

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

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

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

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

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