... p-TsOH (Table 6). Methoxycarbonylation with Pd(OAc)2 gave poor conversion and did not lead to the desired product (Runs 1,2). Much better results were obtained with PdCl2, Pd(PPh3)2Cl2 anda corresponding benzonitrile complex (Runs 3-8 ... ARKIVOC 2012 (iii) 66-75 ...