(1) CH3 CH3 CH3 C6H5 OChS H3C OCH2 CH=CH2 答案 (1) H2 H3 CH3 CH3 CH3 CH3 CH3 D CH D CH3 H3 CH3H OH CH3 CH3 △ H CH3 CH3 + C(CH3)2 H3C OH C6H5 H H H3C CH HO C6H5 OCH2CH CH2 △ H O CH3 (1) (2) (3) 答案： H OH CH3 CH3 H H CH3 CH3 OH2 - H2O CH3 CH3 a b a H CH3 CH3 CH3 CH3 - H b C H CH3 CH3 C CH3 CH3 (1)