Reactions of cyclopalladated N-nitrosoanilines with SnIV reagents. Crystal structure of the bis cyclopalladated complex cis-Pd{ONN(CH3)(C6H4)}2
作者:Alberto Albinati、Samuel Affolter、Paul S. Pregosin
DOI:10.1016/0022-328x(90)85281-3
日期:1990.9
N(1)-Pd-C(2) = 79.5(2); C(2)-Pd-C(9) = 102.4(2). It is suggested that the formation of a specific coordination sphere, involving, one cyclometallated ligand, one weakly coordinated ligand, and a monodentate carbon ligand, such as CH3, leads to production of 5.
一系列的环钯Ñ甲基Ñ -nitrosoanilines,[钯(μ-X)ONN(CH 3)(C 6 H ^ 3 Y)}] 2,X = OAC,氯,Y = 4-OCH 3,4 -CH 3,4-NO 2,5-CH 3,已经制备并用(I)的各种试剂,得到单核钯(II)的衍生物,和(ii)R的1 3 SNR 2,以最终得到2- R 2取代了N-甲基-N-亚硝基苯胺。锡(IV)试剂中,Me 4 Sn的中,Me 3 SnCCPh,卜3Ñ SnCC(CH 2)4 CH 3,卜3 Ñ SnCHCH 2和Bu 3 Ñ SNCH 2 CHCH 2所有有效R传送2组的Pd,但,转移反应的机制不一定都是一样的。在某些情况下,需要存在其他配体,例如PPh 3或(Ph 2 PCH 2)2来抑制副反应,尤其是双环钯配合物顺式-Pd ONN(CH 3)(C 6 H)的形成。4)} 2,5。5的晶体结构已通过X射