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

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

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

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

3-(1,3-dioxan-2-yl)-4'-heptylpropiophenone

4'-n-butyl-4-(5,5-dimethyl-1,3-dioxan-2-yl)butyrophenone

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

3-(1,3-dioxan-2-yl)-4'-phenoxypropiophenone

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

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

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