Cyclometalated half‐sandwich iridium complexes: Synthesis, characterization, and catalytic activity in preparation of esters from halides by using formate as both CO source and coupling partner
Sign Up to like & getrecommendations! Published in 2024 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.7555
Abstract: A highly efficient carbonylation of aryl halides using half‐sandwich iridium catalysis was developed, providing a new avenue for synthesizing carboxylic ester derivatives and yielding consistently impressive results. These iridium complexes demonstrated remarkable catalytic performance in… read more here.
Keywords: iridium; sandwich iridium; half sandwich; catalytic activity ... See more keywords
Carbohydrate‐Functionalized Triazolylidene Iridium Complexes: Hydrogenation Catalysis in Water with Asymmetric Induction
Sign Up to like & getrecommendations! Published in 2022 at "Chemcatchem"
DOI: 10.1002/cctc.202200086
Abstract: Two sets of carbohydrate‐NHC hybrid iridium complexes were synthesised in order to combine properties of carbohydrates and triazolylidene (trz) ligands in organometallic catalysis. One set features a direct trz linkage to the anomeric carbohydrate carbon,… read more here.
Keywords: catalysis; hydrogenation; iridium complexes; water ... See more keywords
Stoichiometric reactions between the rhodium/iridium complexes and 2‐vinylbenzaldehyde derivatives: synthesis and characterization of rhodaindanone and iridaindanone complexes
Sign Up to like & getrecommendations! Published in 2024 at "European Journal of Inorganic Chemistry"
DOI: 10.1002/ejic.202300593
Abstract: Utilizing rhodium complexes to catalyze 2‐vinylbenzaldehyde derivatives has proven to be a valuable strategy in constructing indanone moieties. In this study, the stoichiometric reactions of Wilkinson’s catalyst RhCl(PPh3)3 with 2‐vinylbenzaldehyde derivatives were investigated, leading to… read more here.
Keywords: stoichiometric reactions; indanone; rhodaindanone; vinylbenzaldehyde derivatives ... See more keywords
Theoretical study on abnormal trans-effect of chloride, bromide and iodide ligands in iridium complexes
Sign Up to like & getrecommendations! Published in 2018 at "Computational and Theoretical Chemistry"
DOI: 10.1016/j.comptc.2018.05.015
Abstract: Abstract Iridium complexes have been widely applied to energy and chemical industry, pharmaceutical industry, and organic synthesis. As a parameter reflecting the interaction between ligands and metal centers, trans-effect plays an important role in the… read more here.
Keywords: study; effect; iridium complexes; trans effect ... See more keywords
Novel yellow phosphorescent iridium complexes with dibenzothiophene-S,S-dioxide-based cyclometalated ligand for white polymer light-emitting diodes
Sign Up to like & getrecommendations! Published in 2018 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2018.07.019
Abstract: Abstract We have designed and synthesized two novel yellow phosphorescent iridium complexes using dibenzothiophene-S,S-dioxide-based cyclometalated ligand for the first time, which are capable of producing highly efficient yellow and white polymer light-emitting devices (PLEDs). The… read more here.
Keywords: phosphorescent iridium; novel yellow; iridium; iridium complexes ... See more keywords
Long-lived cyclometallated iridium complexes: Synthesis, structure, DFT and photocatalytic aspects
Sign Up to like & getrecommendations! Published in 2021 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2021.109925
Abstract: Abstract Herein, we present synthesis, photophysical and photocatalytic aspects of four mononuclear luminescent iridium complexes ([1]+ - [4]+) incorporating cyclometallating benzimidazole-based (L1 and L2) and phenanthroline pyrazine-based (L3 – L5) ligands. Several analytical techniques were… read more here.
Keywords: moderately good; photocatalytic aspects; iridium complexes; synthesis ... See more keywords
Modulating the blue shift of phosphorescence with fluorine-free group in iridium (Ⅲ) complexes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2019.03.011
Abstract: Abstract In this work, iridium complexes 1–8 bearing bipyridine or pyridine-pyrimidine main ligand and picolinate ancillary ligand have been designed by varying the position of –OCH3 and phenyl groups at the ligands aiming at finding… read more here.
Keywords: ligand; iridium complexes; group; blue shift ... See more keywords
Red-light-emitting electrochemical cells based on cationic iridium complexes with phenanthroimidazole-type ancillary ligand
Sign Up to like & getrecommendations! Published in 2018 at "Organic Electronics"
DOI: 10.1016/j.orgel.2017.12.035
Abstract: Abstract Red-emitting cationic iridium complexes, namely, [Ir(ppy)2(Qtpi)]PF6 (Complex 1) and [Ir(piq)2(Qtpi)]PF6 (Complex 2) were synthesized using the ancillary ligand 2-(quinolin-2-yl)-1-(p-tolyl)-1H-phenanthro[9,10-d]imidazole (Qtpi) and 2-phenylpyridine (Hppy) and 1-phenylisoquinoline (Hpiq) as cyclometalating ligands. In acetonitrile solution, Complex 1… read more here.
Keywords: ancillary ligand; cationic iridium; light emitting; iridium complexes ... See more keywords
The synthesis and luminescent properties of trichromatic iridium complexes based on 2-(4-bromophenyl)-1-hydrogen-benzimidazole
Sign Up to like & getrecommendations! Published in 2017 at "Synthetic Metals"
DOI: 10.1016/j.synthmet.2016.11.040
Abstract: Abstract The tris-cyclometalated iridium complex Ir(pbi) 3 was synthesized regarding 2-(4-bromophenyl)-1-hydrogen-benzimidazole(pbi) as cyclometalated ligand and the heteroleptic iridium complexes (pbi) 2 Ir(acac) and (pbi) 2 Ir(phen) were prepared through the ancillary ligands acetylacetone(acac) and 1,10-phenanthroline(phen),… read more here.
Keywords: bromophenyl hydrogen; iridium; pbi; iridium complexes ... See more keywords
Enantioselective C(sp2)–H borylation of diarylmethylsilanes catalyzed by chiral pyridine-dihydroisoquinoline iridium complexes
Sign Up to like & getrecommendations! Published in 2020 at "Tetrahedron"
DOI: 10.1016/j.tet.2020.131811
Abstract: Abstract Enantioselective C(sp2)−H borylations of diarylmethylsilanes were catalyzed using iridium complexes with chiral pyridine-dihydroisoquinoline (PyDHIQ) ligands. High enantioselectivities (up to >99% ee) were observed for various substrates. A gram-scale synthesis was achieved using 1 mol%… read more here.
Keywords: chiral pyridine; pyridine dihydroisoquinoline; iridium complexes; enantioselective sp2 ... See more keywords
Half-Sandwich Iridium Complexes with Hydrazone Ligands: Synthesis and Catalytic Activity in N-Alkylation of Anilines or Nitroarenes with Alcohols via Hydrogen Autotransfer.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c00703
Abstract: Here, we synthesize a series of hydrazone-based N,O-chelate half-sandwich iridium complexes through a facile route. All air-stable iridium complexes show high catalytic activity in N-alkylation of a broad scope of aniline derivatives and alcohols with… read more here.
Keywords: sandwich iridium; iridium; spectroscopy; iridium complexes ... See more keywords