반응 #10981

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ethyl 3-(4-fluoro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate

p-toluenesulfonic acid monohydrate

→

Ethyl 2-(4-fluoro-1,3-dioxo-1,3-dihydro-isoindol-2-ylmethyl)-3-oxo-butyrate

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실험 절차

Ethyl 2-(4-fluoro-1,3-dioxo-1,3-dihydro-isoindol-2-ylmethyl)-3-oxo-butyrate was prepared (46 mg, 19%) in the same manner as described in the above example 6 (20) from ethyl 3-(4-fluoro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate (0.23 g, 0.67 mmol) and p-toluenesulfonic acid monohydrate (25 mg), and the obtained product was identified with the following NMR data.

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