... Communication) RSC Adv., 2013, 3, 4171-4175 Show Compounds Show Chemical Terms. ... i Hg (1000 molar equiv. to Pd) was added. j The catalyst was recycled three times (runs 18–20) with the same reaction conditions as described in run 3. 1, Pd, /, 0.1, 80, 10, 66, 98, 2. ...