Nitric Acid → HCID 85856638, compound

Participants

Reaction Steps

Isoindoline (4 g, 33.1 mmol) was added to 95%. sulphuric acid, the reaction was treated carefully with fuming nitric acid (2.2 ml) at 0° C. and stirred for 1 hour, then the mixture was poured onto ice and the resulting precipitate was collected by filtration and dried in vacuo to afford the title compound (4.1 g, 46%); 1H NMR (DMSO-d6) 8.35 (1H, s), 8.35 (1H, d, 8.4 Hz), 7.70 (1H, d, 8.4 Hz), 4.64 (4H, s).

Provenance & Evidence