2. →CH3CH2CH2OH+NaCl3. →CH2＝CCH2CH3 或者是 CH3C＝CHCH3 4. →(CH3)2CHCH2Br 或者是 CH3)2CBrCH36. →C6H6-(COOH)2 +KMno2+CO2 两个-cooh还在原位置
