AI Article Synopsis
- - The study successfully synthesizes and characterizes new group 10 metal complexes using flexible scorpionate ligands derived from 7-azaindole heterocycles.
- - These complexes are formed by adding specific compounds to metal precursors, resulting in stable structures with unique geometric configurations.
- - Notably, unlike other similar complexes, these do not exhibit hydrogen migration from the boron atom, allowing for better analysis of the boron-hydrogen interactions in the complex through B NMR spectroscopy.
Article Abstract
The first successful synthesis and characterization of group 10 complexes featuring flexible scorpionate ligands based on 7-azaindole heterocycles are reported herein. Addition of 2 equiv of either K[HB(azaindolyl)] or Li[HB(Me)(azaindolyl)] to [M(μ-Cl)(η,η-COE)] leads to the formation of 2 equiv of the complexes [M{κ- N,N,H-HB(azaindolyl)}(η,η-COE)] and [M{κ- N,N,H-HB(Me)(azaindolyl)}(η,η-COE)] (where M = Pt, Pd; COE = 8-methoxycyclooct-4-en-1-ide), respectively. In these reactions, the borohydride group is directed toward the metal center forming square based pyramidal complexes. In contrast to analogous complexes featuring other flexible scorpionate ligands, no hydrogen migration from boron is observed in the complexes studied. The fortuitous line widths observed in some of the B NMR spectra allow for a closer inspection of the B-H···metal unit in scorpionate complexes than has previously been possible.
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| http://dx.doi.org/10.1021/acs.inorgchem.8b02456 | DOI Listing |
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