$CH_3COONa+NaOH\buildrel{{CaO, t^o}}\over\longrightarrow CH_4+Na_2CO_3$
$2CH_4\buildrel{{1500^oC}}\over\longrightarrow C_2H_2+3H_2$
$2C_2H_2\buildrel{{CuCl, NH_4Cl, t^o}}\over\longrightarrow CH\equiv C-CH=CH_2$
$CH\equiv C-CH=CH_2+H_2\buildrel{{Pd/PbCO_3, t^o}}\over\longrightarrow CH_2=CHCH=CH_2$
$nCH_2=CHCH=CH_2\buildrel{{t^o, p, xt}}\over\longrightarrow (-CH_2-CH=CH-CH_2-)_n$ (cao su Buna)
$CH_2=CHCH=CH_2+ H_2\buildrel{{Ni, t^o}}\over\longrightarrow CH_3-CH_2-CH_2-CH_3$
$CH_3-CH_2-CH_2-CH_3+ Cl_2\buildrel{{t^o}}\over\to HCl+ CH_3-CHCl-CH_2-CH_3$
$CH_3-CHCl-CH_2-CH_3+ CH_3Cl+2Na\buildrel{{t^o, xt}}\over\to CH_3-CH(CH_3)-CH_2-CH_3+2NaCl$
$CH_3-CH(CH_3)-CH_2-CH_3\buildrel{{t^o, xt}}\over\longrightarrow CH_2=C(CH_3)-CH=CH_2$
$nCH_2=C(CH_3)-CH=CH_2\buildrel{{t^o, xt, p}}\over\longrightarrow (-CH_2-C(CH_3)=CH-CH_2-)_n$ (cao su isopren)
