4-Chlorophthalic anhydride → Methyl 3-(5-chloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate

関与物質

反応手順

Methyl 3-(5-chloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate was prepared (0.54 g, 73%) 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 4-chlorophthalic anhydride (0.50 g, 2.74 mmol), and the obtained product was identified with the following NMR data.

情報源と証拠