ONO PINCER LIGANDS AND ONO PINCER LIGAND COMPRISING METAL COMPLEXES
First Claim
1. An ONO trianionic pincer ligand precursor, comprising a tri-protonated ONO trianionic pincer ligand precursor with OH and NH functionality or a ONO trianionic pincer ligand precursor having functional equivalents to OH and NH, wherein each O−
- from the OH or the functional equivalent thereof are separated from the N−
from the NH or the functional equivalent thereof by three bridging carbons or two bridging carbons and a silicon, wherein the O−
s and the N−
and the bridging carbons or the bridging carbons and silicons are capable of assuming a coplanar substructure;
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Accused Products
Abstract
Embodiments of the invention are directed to ONO pincer ligands that can be in a trianionic, protonated or protonated equivalent form. The ONO pincer ligand can be combined with a transition metal comprising compound to form an ONO pincer ligand comprising transition metal complex. By choice of the ONO pincer ligand structure, the steric and electronic properties of the transition metal complexes therefrom can be controlled. The ONO pincer ligands comprise a central nitrogen atom that is disubstituted with a pair of three atom comprising bridges where the three atoms are three sp2 hybridized carbons or the three atoms are a pair of sp2 hybridized carbons and an sp3 hybridized carbon or silicon.
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Citations
18 Claims
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1. An ONO trianionic pincer ligand precursor, comprising a tri-protonated ONO trianionic pincer ligand precursor with OH and NH functionality or a ONO trianionic pincer ligand precursor having functional equivalents to OH and NH, wherein each O−
- from the OH or the functional equivalent thereof are separated from the N−
from the NH or the functional equivalent thereof by three bridging carbons or two bridging carbons and a silicon, wherein the O−
s and the N−
and the bridging carbons or the bridging carbons and silicons are capable of assuming a coplanar substructure;
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- from the OH or the functional equivalent thereof are separated from the N−
Specification