Phytol → Dihydrophytol

Participants

Reaction Steps

A solution of phytol (49.3 g, 166 mmol) in ethanol (250 ml) was reduced with hydrogen gas at atmospheric pressure over Raney nickel for 3 days. The catalyst was removed by filtration through Celite® and the filtrate concentrated under reduced pressure to give phytanol (49.3 g, 100%). 1H-n.m.r. (CDCl3) δ0.8-0.95 (m, 15H), 1.0-1.75 (m, 24H), 3.65-3.75 (m, 2H). 13C-n.m.r. (CDCl3) δ19.67 (3×Me), 22.60 (Me), 22.69 (Me), 24.36 (CH2), 24.45 (CH2), 24.78 (CH2), 27.95 (CH), 29.50 (CH), 32.76 (2×CH), 37.28-37.43 (m, 5×CH2), 39.35 (CH2), 39.73 and 40.05 (together CH2), 61.18 (CH2).

Provenance & Evidence