2,4-dimethyl-3-pentanol; Novocym 435 (Candida antarctica lipase B); [(.eta.(5)-2,3,4,5-tetraphenylcyclopentadienyl)(CO)Ru(.mu.-CO)]2(Ru-Ru) in toluene T=100°C; 36 h; Enzymatic reaction; Title compound not separated from byproducts.;

Novocym 435 (Candida antarctica lipase B) in toluene T=60°C; 12 h; Enzymatic reaction;