1,2-Naphthalenedicarboxylic anhydride → Ethyl 3-(1,3-dioxo-1,3-dihydro-benzo[e]isoindol-2-yl)-2-(2-methyl-[1,3]-dioxolan-2-yl)propionate

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Reaction Steps

Ethyl 3-(1,3-dioxo-1,3-dihydro-benzo[e]isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate was prepared (0.55 g, 73%) 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 (0.40 g, 1.97 mmol) and 1,2-naphthalic anhydride (0.51 g, 2.56 mmol), and the obtained product was identified with the following NMR data.

Provenance & Evidence