All reactions were conducted in round-bottom flasks fitted with reflux condensers at 0.50 M concentration with 1a−f (1.00 equiv), 2a−h (1.00 equiv), crotonitrile (2.20 equiv), RuH2(PPh3)3CO (3 mol %),Xantphos (3 mol %), and AcOH (15 mol %) at 110 °C. bYield of isolated product.