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Acetic anhydride
CAS number: 108-24-7
Acetic anhydride is a clear liquid with a pungent, penetrating vinegar-like odor. It is completely miscible with diethyl ether and can be easily dissolved.

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Reagents and conditions: (a) ethyl acetoacetate, acetic anhydride, triethylamine, dichloromethane, room temperature, 30 min; (b) trifluroacetic, acetonitrile, room temperature, 45 min; (c) 40 psi H2, 10% Pd=C, methanol, 24 h.
Reagents and conditions: (a) ethyl acetoacetate, acetic anhydride, triethylamine, dichloromethane, room temperature, 30 min; (b) trifluroacetic, acetonitrile, room temperature, 45 min; (c) 40 psi H2, 10% Pd=C, methanol, 24 h.
DOI: /10.1080/00397910802419680

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Related Questions and Answers

Q: Why is acetylation considered a commercially developed treatment for wood, and how does acetic anhydride contribute to this process?
A: Acetylation is a commercially developed treatment because it significantly improves dimensional stability and UV resistance and reduces surface erosion by 50%. Acetic anhydride forms ester bonds with the hydroxyl groups of the cell wall polymers in wood, which is the mechanism behind these improvements.