Attila Aranyos, Gábor Csjernyik, Kálmán J. Szabó and Jan-E. Bäckvall
The role of the base in RuCl2(PPh3)3-catalyzed hydrogen transfer reactions is to generate a highly active RuH2(PPh3)3 catalyst from the dichloride via two consecutive alkoxide displacement–β-elimination sequences.