... Organometallics , 2014, 33 (13), pp 3540–3545. DOI: 10.1021/om500446x. Publication Date (Web): June 24, 2014. ... Br- or 4-TfO-acetophenone the yields in the cross-coupling product were low.(6) However, Hashmi et al ... by addition of PPh 3 (for [PPh 3 ] = [5] 0 = 0.01M, k obs = 2.1 ...