4,5-Dichlorophthalic anhydride → Ethyl 3-(5,6-dichloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate

Participants

Reaction Steps

Ethyl 3-(5,6-dichloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate was prepared (0.66 g, 50%) in the same manner as described in the above example 5 (20) from ethyl 3-amino-2-(2-methyl-[1,3]dioxolan-2-yl)propionate (0.60 g, 3.25 mmol) and 4,5-dichlorophthalic anhydride (0.85 g, 3.90 mmol), and the obtained product was identified with the following NMR data.

Provenance & Evidence