A Broadly Applicable Strategy for Entry into Homogeneous Nickel(0) Catalysts from Air-Stable Nickel(II) Complexes
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https://figshare.com/articles/dataset/A_Broadly_Applicable_Strategy_for_Entry_into_Homogeneous_Nickel_0_Catalysts_from_Air_Stable_Nickel_II_Complexes/2032275
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资源简介：
A series of air-stable nickel complexes
of the form L2Ni(aryl) X (L = monodentate phosphine, X
= Cl, Br) and LNi(aryl)X
(L = bis-phosphine) have been synthesized and are presented as a library
of precatalysts suitable for a wide variety of nickel-catalyzed transformations.
These complexes are easily synthesized from low-cost NiCl2·6H2O or NiBr2·3H2O and
the desired ligand followed by addition of 1 equiv of Grignard reagent.
A selection of these complexes were characterized by single-crystal
X-ray diffraction, and an analysis of their structural features is
provided. A case study of their use as precatalysts for the nickel-catalyzed
carbonyl-ene reaction is presented, showing superior reactivity in
comparison to reactions using Ni(cod)2. Furthermore, as
the precatalysts are all stable to air, no glovebox or inert-atmosphere
techniques are required to make use of these complexes for nickel-catalyzed
reactions.
创建时间：
2015-12-17
