Br oh H3PO2 NBS BI CCI B 2.CH3CHCH2浓HSO HBr CH3 CH-2 ROORCH,CH2,CH2Br OH B 3 >CH3hv ch ChS ONa KMnO4 Br H+△-CHCO(CH2)4COO C,Hs OH BH 4. CH3 CHCH3 Naoh Ch, ch=ch Br H2O2/OH- CH3 CH2 CH2 OH 二、合成题二、合成题 H3 PO4 NBS Br Br Br Br OH 2 Br CCl 4 CH2 H2 SO4 HBr CH3 CH2 CH3 CHCH3 CH=CH2 Br OH CH3 ROOR 浓 Na H + (CH2 ) 4 KMnO4 hv C2 H5 CH3 CO , CH3 CH3 Br Br 2 CH3 COOH O H2 O2 OH Br C2 H5 Na CH3 CH2 CH2 CH3 CHCH3 OH CH3 CH=CH2 B2 H6 OH OH 1. 2. 3. 4