Maity, Ayan; Anderson, Bryce Lane; Deligonul, Nihal; Gray, Thomas G. published an article about the compound: 1-(2-Bromophenyl)-1H-pyrazole( cas:87488-84-4,SMILESS:BrC1=CC=CC=C1N2N=CC=C2 ).SDS of cas: 87488-84-4. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:87488-84-4) through the article.
Cyclometalated iridium(III) complexes have been prepared in high yields from base-assisted transmetalation reactions of cis-bis(aquo)iridium(III) complexes with boronated aromatic proligands. Reactions proceed at room temperature Potassium hydroxide and potassium phosphate are effective supporting bases. Kinetic, meridional isomers are isolated because of the mildness of the new technique. Syntheses are faster with KOH, but the gentler base K3PO4 broadens the reaction’s scope. Complexes of chelated ketone, aldehyde, and alc. complexes are reported that bind iridium through formally neutral oxygen and formally anionic carbon. The new complexes luminesce with microsecond-scale(coating) lifetimes at 77 K and nanosecond-scale lifetimes at room temperature; emission quenches in air. Two complexes, an aldehyde and its reduced (alc.) derivative, are crystallog. characterized. Their bonding is examined with d.-functional theory calculations Time-dependent computations suggest that the Franck-Condon triplet states of these complexes have mixed orbital parentage, arising from one-particle transitions that mingle through CI.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem