5345-05-1Relevant articles and documents
Electrochemical Generation of Hypervalent Bromine(III) Compounds
Francke, Robert,Mohebbati, Nayereh,Sokolovs, Igors,Suna, Edgars
supporting information, p. 15832 - 15837 (2021/06/14)
In sharp contrast to hypervalent iodine(III) compounds, the isoelectronic bromine(III) counterparts have been little studied to date. This knowledge gap is mainly attributed to the difficult-to-control reactivity of λ3-bromanes as well as to their challenging preparation from the highly toxic and corrosive BrF3 precursor. In this context, we present a straightforward and scalable approach to chelation-stabilized λ3-bromanes by anodic oxidation of parent aryl bromides possessing two coordinating hexafluoro-2-hydroxypropanyl substituents. A series of para-substituted λ3-bromanes with remarkably high redox potentials spanning a range from 1.86 V to 2.60 V vs. Ag/AgNO3 was synthesized by the electrochemical method. We demonstrate that the intrinsic reactivity of the bench-stable bromine(III) species can be unlocked by addition of a Lewis or a Br?nsted acid. The synthetic utility of the λ3-bromane activation is exemplified by oxidative C?C, C?N, and C?O bond forming reactions.
The substituent effect of bridged triarylamine helicenes on light-emitting and charge transfer properties
Adachi, Yohei,Nakamoto, Masaaki,Shang, Rong,Yamamoto, Yohsuke,Yan, Chenting
supporting information, p. 457 - 460 (2020/05/19)
Methoxy-(7a), bromo-(7b), CF3-(7c) and hydroxyl-(7d) substituted bridged triarylamine helicenes were synthesized under mild conditions in 6598% yield. Their luminescence red-shifted with π-donating substituents and blue-shifted with the electro
Organic light-emitting material based on platinum quadridentate ONCN complex, preparation method, and application of the same in organic light emitting diodes (OLEDs)
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Paragraph 0100-0102, (2020/03/17)
The invention relates to an organic light-emitting material based on a platinum quadridentate ONCN complex, a preparation method, and an application of the same in OLEDs. The platinum (II) quadridentate ONCN complex has the chemical structure of the formu
POLYCYCLIC COMPOUND AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE POLYCYCLIC COMPOUND OR THE COMPOSITION
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Page/Page column 349-350, (2020/11/03)
Specific polycyclic compounds, a material for an organic electroluminescence device comprising said specific polycyclic compound, an organic electroluminescence device comprising said specific polycyclic compound, an electronic equipment comprising said organic electroluminescence device, a process for preparing said polycyclic compounds, and the use of said polycyclic compounds in an organic electroluminescence. (Formula I) (I)
Heterocyclic compounds and organic light-emitting diode including the same
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Paragraph 0294-0300, (2020/12/11)
The present invention relates to a heterocyclic compound represented by [Chemical Formula 1] below and an organic light-emitting diode including the same. The organic light-emitting diode according to the present invention is excellent in view of luminous characteristics such as driving voltage, lifespan, and efficiency. [Chemical Formula 1].
NOVEL ARYL COMPOUND
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Page/Page column 19-22, (2008/06/13)
A novel aryl compound represented by the formula (1) in which the characteristic groups represented by X1 and X2 are different from each other: wherein X1 and X2 are characteristic groups which are different fro
Bridged triarylamines: A new class of heterohelicenes
Field, Jason E.,Hill, Thomas J.,Venkataraman
, p. 6071 - 6078 (2007/10/03)
A series of bridged triarylamines, which constitute a new class of heterohelicenes, have been synthesized using a simple three-step procedure. These compounds are shown to be highly luminescent chromophores and are capable of being oxidized. The solid-sta
Imidazoline-modified benzylimidazolines as h5-HT1D/1B serotonergic ligands
Prisinzano, Thomas,Law, Ho,Dukat, Malgorzata,Slassi, Abdelmalik,MaClean, Neil,Demchyshyn, Lidia,Glennon, Richard A.
, p. 613 - 619 (2007/10/03)
Sumatriptan, a h5-HT1D and h5-HT1B receptor agonist used clinically as a migraine-abortive, produces certain side effects thought to result from its affinity for h5-HT1B receptors. The present investigation extends our wor
Efficient medium-scale synthesis of 2-bromo-5-tert-butylbenzene-1,3-dicarbaldehyde
Klingele, Marco H.,Kersting, Berthold
, p. 437 - 439 (2007/10/03)
A short and efficient multi-gram synthesis of the title compound has been designed which allows its preparation from commercially available material in only three steps in overall yields of 60-70%.
Preorganized Macrocyclic Receptors Featuring endo-Carboxylic Acid Groups. Host Synthesis and Inclusion Compounds with Alcohol and Amine Guests
Weber, Edwin,Haase, Reinhard,Pollex, Rolf,Czugler, Matyas
, p. 274 - 283 (2007/10/03)
The synthesis and characterization of four new macrocyclic host compounds 1-4 having modified diphenylmethane units as bridging elements and two endo-orientated carboxylic acid groups attached to aromatic building blocks are described. The complexation pr