6. CH=CH HCH-CHCH,CHBr CH=CH·MHCH三CNa →CH,CH,C=CH Ha/Pd/BaS0(座琳 CHCHCH.CHC=CHCH.CH.CH.CH BrCH,CH.CH-CH B.H/H:O/OH HgSO/HH:O CH3(CH2)4CHO CH:(CH2COCHs 12-23 A.a B.ch c.D.D-CH,E.DCHs 12-24 A.-CHs B.CH2CI C.CICHs D.CI E.CHCI F.CH.COOH CH3 C 12-25 1.BrCHzCHzMgBr->CH2-CH2 2. CH2CHCH2→CH-CH BrBr 3. BrMgCH2CH2CH2CH2MgBr CH,CH=CHCH-MgBr联，CHCH=CHCH,CH,CH=CHCH 99 6½ CH CH + H2 Pd/BaSO4 /✈①✇ CH2=CH2 HBr CH3CH2Br CH CH + Na NH3 CH CNa CH3CH2C CH H2 /Pd/BaSO4 /✈①✇ CH3CH2CH=CH2 HBr/②④③⑥⑤①⑦ CH3CH2CH2CH2Br NaC CH CH3CH2CH2CH2C CH B2H6 /H2O2 /OH CH3(CH2)4CHO HgSO4 /H+/H2O CH3(CH2)3COCH3 - 12-23 A. Cl B. Cl CH3 C. D. CH3 E. CH2 12-24 A CH3 CH2Cl Cl CH3 . B. C. Cl CH3 CH2Cl Cl CH2COOH Cl D. E. F. 12-25 1½BrCH2CH2MgBr CH2=CH2 2½ CH2CH2CH2 Br Br CH2 CH2 CH2 3½ BrMgCH2CH2CH2CH2MgBr 4½ CH3CH=CHCH2MgBr ⑧⑨ CH3CH=CHCH2CH2CH=CHCH3