77. How to prepare aspirin from phenol? 
(A) 1. NaOH, CO2 2. H3O
3. Ac2O
(B) 1. CH3COCl, AlCl3 2. NaNO2, then H3PO2 3. H3O
(C) 1. Ac2O 2. H3O
3. NaOH, CO2
(D) 1. HNO3, H2SO4 2. Fe, HCl 3. CH3COCl, AlCl3
(E) 1. Ac2O 2. NaOH 3. CO2, then H3O
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統計: A(27), B(6), C(3), D(7), E(9) #937606
統計: A(27), B(6), C(3), D(7), E(9) #937606