9(3)CICH,CH=C-CH,+2NaOH-CH,CH,C-CH,+2NaCICIOH又c,CHCH.CH.CHoCH,CH,CH=CCHO(5)HBrCH,=CH2→CH,CH,Br一六氢吡啶(2CHH,S04分)
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9(3)CICH,CH=C-CH,+2NaOH-CH,CH,C-CH,+2NaCICIOH又c,CHCH.CH.CHoCH,CH,CH=CCHO(5)HBrCH,=CH2→CH,CH,Br一六氢吡啶(2CHH,S04分)