例 B2H6 H2O2 CH3-CH=CH 2 CH3-"CH2-OH OH 正丙醇 例2 CH3 CH3 B2Hs H2O2 CH:c=CH2 CH3- CH-CH, OH OH 异丁醇 例3: (BH3) HO OH H 85%顺式 HO H H CH3例1: 例2: 例3: 正丙醇 异丁醇 顺式 CH 3 8 5 % (BH3)2 H2O2 HO- OH CH3 H H