作者:V. V. Saraev、P. B. Kraikivskii、S. N. Zelinskii、V. S. Tkach、F. K. Shmidt                                    
                                    
                                        DOI:10.1023/a:1009583401268
                                    
                                    
                                        日期:——
                                    
                                    The reaction of Ni(PPh3)(4) with acetic and trifluoroacetic acids is studied by ESR. When Ni(PPh3)(4) reacts with protonic acids, oxidative addition of the acid to the Ni(0) occurs along with contradisproportionation of the formed Ni(II) complexes with the Ni(0) complex. As a result, stable Ni(I) carboxylate complexes (PPh3)(3)Ni-OOCR are formed, where R = CH3, CF3. The amounts of the formed Ni(I) carboxylate complexes and of the evolved hydrogen were found to depend on the rate of acid addition to the Ni(0) complex.