Scheme 2.

Ruthenium catalyzed C-C coupling of primary alcohols with 1,3-dienes to form homoallylic alcohols or β,γ-enones.a
Yields are of material isolated by flash chromatography on silica gel. aLigand = (p-MeOPh)3P, bLigand = rac-BINAP, 2,2′-bis-(diphenylphosphino)-1,1′-binaphthalene. c120 °C.