[PDF] ASPIRIN SYNTHESIS - University of Helsinki PDF aspirin

Measure 4 g salicylic acid in the flask (take notes) and put the flask in cool water bath Add magnet in 4 Measure 5,5 ml (6g) acetic anhydride and add into the

[PDF] 8-Synthesis of Aspirin

Experiment 8 – Synthesis of Aspirin Aspirin is an effective If acetic anhydride is used instead of acetic acid, the reaction is much faster and has a higher yield

[PDF] Experiment 5 - Synthesis of Aspirin

To prepare aspirin, salicylic acid is reacted with an excess of acetic anhydride A small amount of a strong acid is used as a catalyst which speeds up the reaction

[PDF] Synthesis of paracetamol by acetylation - The Royal Society of

Acetic acid H+ H + H+ +OH O O R-OH Scheme SM 3 1 5 1 – General acetylation reaction mechanism of an alcohol with acetic anhydride in acidic media

THE ACTION OF ACETIC ANHYDRIDE ON TERTIARY AMINO

method of synthesis” which was originated by Mohr' and which, in modified lost when the acetic acid and the excess of acetic anhydride were removed by

[PDF] [PDF] ASPIRIN SYNTHESIS - University of Helsinki