p-Toluenesulfonic acid monohydrate → HCID 21982211, Verbindung

Beteiligte Stoffe

Reaktionsschritte

Ethyl 2-(5-nitro-1,3-dioxo-1,3-dihydro-isoindol-2-ylmethyl)-3-oxo-butyrate was prepared (263 mg, 27%) in the same manner as described in the above example 6 (20) from ethyl 3-(5-nitro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate (1.11 g, 2.96 mmol) and p-toluenesulfonic acid monohydrate (100 mg), and the obtained product was identified with the following NMR data.

Herkunft & Nachweise