Sulfuric Acid → HCID 57428967, compound

Participants

Reaction Steps

To a 50 mL flask was added 3 (1.64 g, 10 mmol) and 15 mL H2SO4 (conc.). The solution was stirred overnight and poured in to 100 mL distilled water and extracted by 3×30 mL CHCl3. The organic layer was pooled and concentrated to afford 1.36 (83%) of 4 as a yellow powder: TLC Rf0.35 (CHCl3/MeOH 6:1); mp>300° C.; 1H NMR (DMSO-d6) δ 2.42 (s, 3 H), 2.44 (s, 3 H), 6.63 (s, 1 H), 12.50 (s, 1 H).

Provenance & Evidence