KmnO4, H CO,+Ho+ B2h6 H2O2, OH 10) 3.如何实现下列转变?用方程式表示 (I)CH3 CHCH3- CH3 CH2CH2BI (2)CH, CHCH CHz CH, CH,OH (3)CH3CH=CH2 CH,CHCH2 答案 HaSO HBr ()CH3CHCH CH.CHB ROOR OH KOH (2)CH3 CHCH Etoh CH3 CH2CH,OH Br Br2/CCI (3)CH3CH=CH2 CH2CHCH 500℃ 4.化合物A、B、C均为庚烯的异构体。A、B、C经溴氧化,锌粉还原水解分别得到CH3CHO CH3CH CH2CH2CHO, H3 CH3 H3CH2C-C-CH3 CH;CHO H3CH2C-C-CH2CH3 试推断A、B、C的构造式或构型式。(7) KmnO4,H+ △ CO2+H2O+ O (8) B2H6 B 3 H2O2,OH￾HO (9) Br Br HBr Br -Br (10) O OH O O 3. 如何实现下列转变？用方程式表示。 CH3CHCH3 OH CH3CH2CH2Br CH3CHCH3 Br CH3CH2CH2OH CH3CH CH2 CH2CHCH2 Cl Br Br (1) (2) (3) 答案： CH3CHCH3 OH CH3CH2CH2Br CH3CHCH3 Br CH3CH2CH2OH CH3CH CH2 CH2CHCH2 Cl Br Br (1) (2) (3) H2SO4 △ HBr ROOR KOH EtOH 1) B2H6 2) H2O2 OH￾Cl2 500℃ Br2/CCl4 4. 化合物A、B、C均为庚烯的异构体。A、B、C经溴氧化，锌粉还原水解分别得到CH3CHO CH3CH2CH2CH2CHO H3C C CH3 O ; H3CH2C C CH3 O CH3CHO H3CH2C C CH2CH3 O ; ; ; . 试推断 A、B、C 的构造式或构型式