C2H4-C2H5CI-C4H10-C4H8-C4H9OH-C4H9ONa
C2H4+HCl=C2H5Cl C2H5Cl+KOH=C2H5OH+KCl 2C2H5Cl+2Na=C4H10+2NaCl C4H10=C4H8+H2 C4H8+H2O=C4H9OH 2C4H9OH+2Na=2C4H9ONa+H2