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methyl 3-amino-2-(2-methyl-[1,3]dioxolan-2-yl)propionate

1,2-naphthalic anhydride

→

Methyl 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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실험 절차

Methyl 3-(1,3-dioxo-1,3-dihydro-benzo[e]isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate was prepared (0.45 g, 58%) in the same manner as described in the above example 5 (1) from methyl 3-amino-2-(2-methyl-[1,3]dioxolan-2-yl)propionate (0.40 g, 2.11 mmol) and 1,2-naphthalic anhydride (0.55 g, 2.75 mmol), and the obtained product was identified with the following NMR data.

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