下列反應何者最易進行? (A)
(B)
(C)
(D)C6H5CC6H5OBrBrBrNaOCH3O CH3+BrNaOCH3O+CH3OCH3CH3OHH2SO4 (催化量)CH3HOOCH3OCH3HOCH3CH3H3COOHCH3H3COOH?C6 H5C H CH C C 6 H5OC)2 CH(HCC H 2 CH(CCH )2(HO H2C)2 C H222CHHC (CH O H)O322333333223aNOCH C H CHCC HBrCHC HCC HC HC HCH CH CH+322CH C H CHONaCHBrCH OC H C H CH+33223