Triphenylene‐Based Tris(N‐Heterocyclic Carbene) Ligand: Unexpected Catalytic Benefits

Abstract

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On the Aromatic Stabilization of Fused Polycyclic Aromatic Hydrocarbons

“…16,17 These PAHs have been studied in the field of materials science because of their relationship with graphene 18 and to understand the behavior of phase transitions under extreme pressure and temperature conditions 19,20 or even to synthesize graphene nanoribbons by encapsulation. 21 Furthermore, PAHs have been explored in applications such as nano-sensors of oxygen, 22 detection of nitroaromatic-based compounds, 23 applications in energy conversion and molecular electronics, 4,5 catalysis, 24 and charge mobility. 25,26 Thin films of PAHs have been explored in several surfaces (Al 2 O 3 , Au(111), Si(111) and Si (100), Cu(111), graphite, Ag(111), Ge(001), and Ge(111), nanoporous gold, an alloy of gold/ silver(Au/Ag), titanium dioxide, and graphene nanosheets) to study the morphology, structure, and stability of thin films to applications in materials science and engineering.…”

“…Furthermore, PAHs have been explored in applications such as nano-sensors of oxygen, detection of nitroaromatic-based compounds, applications in energy conversion and molecular electronics, , catalysis, and charge mobility. , Thin films of PAHs have been explored in several surfaces (Al 2 O 3 , Au(111), Si(111) and Si(100), Cu(111), graphite, Ag(111), Ge(001), and Ge(111), nanoporous gold, an alloy of gold/silver­(Au/Ag), titanium dioxide, and graphene nanosheets) to study the morphology, structure, and stability of thin films to applications in materials science and engineering. − …”

Spotlight on Ligand Effects in 1,2,3-Triazolylidene Gold Complexes for Hydroamination Catalysis: Synthesis and Catalytic Application of an Activated MIC Gold Triflimide Complex and Various MIC Gold Chloride Complexes

“…Due to their Lewis acidic nature, gold­(I) complexes are prone to activate alkynes, alkenes, and allenes , and have proven to be active in hydroamination reactions. ,,,− Herein we focus on the intermolecular hydroamination of alkynes through primary amines. Various gold complexes with phosphine − ,, and NHC − ligands have been studied in this regard.…”

Main‐Chain Organometallic Microporous Polymers Bearing Triphenylene–Tris(N‐Heterocyclic Carbene)–Gold Species: Catalytic Properties

“…Acetylides can be easily incorporated on N‐heterocyclic carbene gold chlorides by direct reaction between the gold complexes and the corresponding terminal acetylenes 11. We carried out the reaction between triphenylene‐tris‐NHC gold complex 1 10a and 1,4‐diethynylbenzene or 1,3,5‐triethynylbenzene in the presence of NaOH in refluxing methanol to afford the MOMPs 2 (68 % yield) and 3 (90 % yield), respectively (Scheme ), as highly insoluble, brownish solids.…”

“…We recently described the preparation of a planar triphenylene-based tris-NHC, [10] which we used for the preparation of a series of Pd and Au complexes with improved catalytic properties. [10a] Due to the threefold symmetry of the ligand, we envisaged that this p-connected tris-NHC might be useful for the preparation of extended structures with interesting physicochemical properties.…”