Question

Show how you would prepare cyclohexane from each compound.
(a) cyclohexanol
(b) cyclohexyl bromide
(c) cyclohexane (not by dehydrogenation)

Answer 1

cyclohexanol add POCl3 in presence of pyridine to form cyclohexene. the cyclohexene is hydrogenated using nickel catalyst and a temperature of 150 c.

 cyclohexyl bromide removing bromide by use sodium metal in presence of dry ether