1-Bromo-5-(1,3-dioxolan-2-yl)thiophene

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

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

3-(1,3-Dioxan-2-yl)-2'-trifluoromethylpropiophenone

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

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

3-(1,3-Dioxan-2-yl)-4'-n-propylpropiophenone

3-(1,3-Dioxan-2-yl)-4'-hexylpropiophenone

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

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

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