Reactions of Dialkylnickel(II) Complexes NiR<sub>2</sub>L<sub>2</sub>with Alkyl (or Aryl) Halides, R′COY (Y=Cl, Br, OPh, OCOPh), and CS<sub>2</sub>
作者:Takakazu Yamamoto、Teiji Kohara、Kohtaro Osakada、Akio Yamamoto
DOI:10.1246/bcsj.56.2147
日期:1983.7
Reactions of Ni(CH3)2(bpy) (1), Ni(C2H5)2(bpy) (2) (bpy=2,2′-bipyridine), trans-Ni(CH3)2(triethylphosphine)2 (3), Ni(CH3)2(1,2-bis(diphenylphosphino)ethane) (4), and Ni(CH3)2(1,3-bis(diphenylphosphino)propane) (5) with alkyl or aryl halides, R′COY (Y=Cl, Br, OC6H5, OCOC6H5), and CS2 have been investigated. The reactions of NiR2L2 with alkyl or aryl halides are classified into three types of reactions
Ni(CH3)2(bpy) (1)、Ni(C2H5)2(bpy) (2) (bpy=2,2'-联吡啶)、反式-Ni(CH3)2(三乙基膦)2 (3) 的反应, Ni(CH3)2(1,2-bis(diphenylphosphino)ethane) (4), and Ni(CH3)2(1,3-bis(diphenylphosphino)propane) (5) 与烷基或芳基卤化物,R'COY (Y=Cl、Br、OC6H5、OCOC6H5) 和 CS2 已被研究。NiR2L2与烷基或芳基卤化物的反应按反应产物分为三种反应类型:A型:NiR2L2+R'X→NiX(R')L2+R–R,B型:NiR2L2+R'X→烷烃 (RH)+ 烯烃 (R'(-H)) 和 C 型:NiR2L2+R'X→NiR(X)L2+R-R'。配合物 1 和 2 主要进行 A 型反应。配合物 3 用 C6H5Br 处理得到 A 型反应产物,但用