N
nguyenanhtuan1110


1/n-butyl bromua --(KOH/ancol)-->A--(HBr)-->B---(Na/ete)-->C
2/3-iot-2-metylbutan --(KOH/ancol)->--(Br2)-->B
3/buten-1--(H2SO4)--->A---(H2O)--->B---(Al2O3)---->C
4/buten-1--(HI)--->A--(KOH/ancol)--->B---(H2O/H+)--->C
2/3-iot-2-metylbutan --(KOH/ancol)->--(Br2)-->B
3/buten-1--(H2SO4)--->A---(H2O)--->B---(Al2O3)---->C
4/buten-1--(HI)--->A--(KOH/ancol)--->B---(H2O/H+)--->C