A CH2=CHCHBrCH3
B CH2BrCHBrCHBrCH3
C CH2=CH-CH=CH2
D 4+2产物,
CH2=CHCHBrCH3+Br2=CH2BrCHBrCHBrCH3
CH2=CHCHBrCH3+AgNO3=AgBr沉淀号+CH2=CHCH(NO3)CH3
CH2=CHCHBrCH3+NaOH=CH2=CH-CH=CH2+H2O+NaBr
最后那个,4+2环加成,不好打
A CH2=CHCHBrCH3
B CH2BrCHBrCHBrCH3
C CH2=CH-CH=CH2
D 4+2产物,
CH2=CHCHBrCH3+Br2=CH2BrCHBrCHBrCH3
CH2=CHCHBrCH3+AgNO3=AgBr沉淀号+CH2=CHCH(NO3)CH3
CH2=CHCHBrCH3+NaOH=CH2=CH-CH=CH2+H2O+NaBr
最后那个,4+2环加成,不好打