2-Acetylthiophene
# 2-Acetylthiophene

2-Acetylthiophene is an organosulfur compound with the formula $CH_3C(O)C_4H_3S.$ A yellow liquid, it is the more useful of the two isomers of acetylthiophene. It is of commercial interest as a precursor to both thiophene-2-carboxylic acid and thiophene-2-acetic acid. It is prepared by the reaction of thiophene with acetyl chloride in the presence of stannic chloride.

