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.
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