C5H11OH (H+,t)= C5H10 + H2O

C5H10 + Br2 (hv)= C5H9Br + HBr

C5H9Br + KOH (сп)= C5H8 + KBr + H2O

C5H8 + Br2 (40°)= C5H8Br2

H3C-C≡C-CH2-CH3 (полимеризация)= [—H2C-CH=CH-CH2-CH2— ]n