tert-butyl (2,2-dimethyl-5-(4-nitrostyryl)-1,3-dioxan-5-yl)carbamate

tert-butyl 5-(4-aminophenethyl)-2,2-dimethyl-1,3-dioxan-5-ylcarbamate

tert-butyl 2,2-dimethyl-5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenethyl)-1,3-dioxan-5-ylcarbamate

tert-butyl (2,2-dimethyl-5-(4-(oct-1-en-1-yl)phenethyl)-1,3-dioxan-5-yl)carbamate