Titanium Amido- and Imido-Complexes Supported by a Tridentate Pyrrolyl Ligand: Syntheses, Characterisation and Catalytic Activities
摘要:
制备了[Ti(NMe2)2(ppmmi)][H2pmpmi = (2-吡咯甲基)-(2-吡咯甲基)亚胺]、[Ti(NtBu)(ppmmi)(py)2]、[Ti(NtBu)(ppmmi)(dpy)]和[Ti(NPh)(ppmmi)(py)2]复合物、和[Ti(NPh)(ppmmi)(py)2]制备了苯乙炔与苯胺和对氯苯胺发生氢化反应的前催化剂。测定了[Ti(NMe2)2(ppmmi)]、[Ti(NtBu)(ppmmi)(dpy)]和[Ti(NPh)(ppmmi)(py)2]的 X 射线结构。
The Unexpected Formation of a Tetradentate Tripyrrolic Complex of Nickel(II)
作者:Christian Br ückner、Eduardo K. Mar、Steven J. Rettig、David Dolphin
DOI:10.1002/cber.19961291009
日期:1996.10
(2) and an equimolar amount of 2-formylpyrrole give, in the presence of nickel(II) in hot methanol, the novel tripyrrolicnickel(II) complex [SP-4]-[(2-dipyrrinato-k2N,N′-methyl)(2-pyrrolylmethenato- kN′′)imine-kN′′′]nickel(II) (4). This planar complex has been characterized by X-ray crystallography, a mechanism for its formation is proposed and its mass spectral behavior is discussed.