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

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

2',6'-dichloro-4-(5,5-dimethyl-1,3-dioxan-2-yl)butyrophenone

9-[3-(1,3-dioxan-2-yl)propionyl]anthracene

2-(1,3-Dioxan-2-yl)benzaldehyde

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

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

1-(4-Butoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone

1-(3,5-Dichloro-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone

1-(3,4-Dimethyl-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone

(1,3-Dioxolan-2-yl)-acetic acid propyl ester