Crabtree-BArF catalyst, BArF = tetrakis[3,5-bis(trifluoromethyl)phenyl]borate; hydrogen in tetrahydrofuran T=23°C; 16 h;

tris(triphenylphosphine)ruthenium(II) chloride; sodium acetate; benzaldehyde in 1,2-dichloro-ethane T=90°C; 4 h; Schlenk techniqueInert atmosphere;