The catalytic ethylene dimerization reactions of (N∧N)PdMe(L)+ species that contain bidentate nitrogen donor ligands were studied (N∧N = (1-Me-imidazol-2-yl)2CH2 (a); (1-Me-imidazol-2-yl)2CH(C6H13) (b), 1,1′-di(triphenylmethyl)-4,4′-biimidazole (c), (5-Me-pyridin-2-yl)2CH2 (d), (pyrazol-1-yl)2CH2 (e), (3,5-Me2-pyrazol-1-yl)2CH2 (f), (4-Me-C6H4)N═CMeCMe═N(4-Me-C6H4) (g), and (2,6-iPr2-C6H3)N═CMeCMe═N(2
(N的催化
乙烯二聚反应∧ N)P
DME(L)+含有二齿氮供体
配体物种进行的研究(N ∧ N =(1-ME
咪唑-2-基)2 CH 2(一);(1 -Me-
咪唑-2-基)2 CH(C 6 H 13)(b),1,1'-二(三苯甲基)-4,4'-
联咪唑(c),(5-Me-
吡啶-2- yl)2 CH 2(d),(
吡唑-1-基)2 CH 2(e),(3,5-Me 2-
吡唑-1-基)2 CH 2(f),(4-Me-C 6 H 4)N═CMeCMe═N(4-Me-C 6 H 4)(g)和(2,6- i Pr 2 -C 6 H 3)N═ CMeCMe═N(2,6- i Pr 2 -C 6 H 3)(h))。(N ∧ N)P
DME 2(2A - ë,克)和(N ∧ N)的Pd(Me)的
氯(3F - ħ)复合物转化为[(N ∧ N)的Pd C(= O)Me} CO ] [B(C 6 F5)4)](图7a,Ç -