Nitric Acid → Methyl 5-methyl-4-nitrothiophene-2-carboxylate

Participants

Reaction Conditions

Reaction Steps

A solution of concentrated HNO3 (7.2 mL, 111.5 mmol) in concentrated H2SO4 (20 mL) was added dropwise to the solution of methyl 5-methylthiophene-2-carboxylate (F-2) (13.4 g, 86.0 mmol) in concentrated H2SO4 (30 mL) at 0° C. The reaction mixture was stirred at 0° C. for 30 mins and poured into ice-water. The precipitate was filtered and washed with water. A solid was collected as the product (14.8 g).

Provenance & Evidence