CH2 = CH2 + HBr 催化剂加热= CH3—CH2Br
. nCH2 = CH2催化剂 [ CH2—CH2 ] n
苯 + Br2 催化剂苯— Br + HBr
苯酚 +3Br2 催化剂====246三溴苯酚 ↓+3HBr
http://www.vcmblog.com/UploadFiles/2007-1/122729005.doc都有好找
式子很正规