上次课堂练习 CH H3 NaoT 产物? CH3 HOEt 哪个消除较快? H3C-CI al Br 机理? CH. 参考答案 H-{-<x=B 3 CH NaoT e-<4- HOEt CH- H3c-CI 产物相同上次课堂练习 C CH3 H3C CH3 Br C CH3 H3C CH3 Br NaOEt HOEt 产物？ 哪个消除较快？ 机理？ 参考答案 C CH3 H3C CH3 Br C CH3 H3C CH3 Br NaOEt HOEt C CH3 H3C CH3 C CH3 H3C CH3 ＋ 产物相同