H3C、 OH 2. CH-CH3 H3C, 3C、Br OH H3C, CH-CH C=CH? 3C H3C CH ROOR H3C CH-CH2Br CH-CH2 MgBr H3C Grignard试剂 3C CH-CH2--C OH CH2 CH3 CH2CH H3CH2C PhCO3H H CH2 CH3 H3CH2、∠H CH2CH3 CH2CH CH2CH3 KMnO4(稀,冷) (1)osO4(2)H2 H2CH3 第8页共8页CH H3C H3C CH3 CH H3C H3C CH2 C H Ph C Ph O 2. & H OH CH H3C H3C CH3 Br2 ∆ C H3C H3C CH3 Br OH C H3C H3C CH2 HBr ROOR CH H3C H3C CH2Br Mg 无水乙醚 CH H3C H3C CH2MgBr Ph C O H H2O CH H3C H3C CH2 C H Ph OH Grignard试剂 CH2CH3 H OH CH2CH3 H OH CH2CH3 HO H CH2CH3 H OH H H H3CH2C CH2CH3 3. H H H3CH2C CH2CH3 KMnO4 (稀，冷) or (1)OsO4 (2) H2O CH2CH3 HO H CH2CH3 H OH PhCO3H H H H3CH2C CH2CH3 O H2O H or OH CH2CH3 H OH CH2CH3 H OH 第 8 页 共 8 页