Propionic Anhydride Reagent
Dissolve 1 g of toluene-p-sulfonic acid in 30 mL of glacial acetic acid, add 5 mL of propionic anhydride and allow to stand for at least 15 minutes.
Use within 24 hours of preparation.
Dissolve 1 g of toluene-p-sulfonic acid in 30 mL of glacial acetic acid, add 5 mL of propionic anhydride and allow to stand for at least 15 minutes.
Use within 24 hours of preparation.