1228778-59-3Relevant academic research and scientific papers
Intramolecular aryl-aryl coupling: Via C-F bond activation tolerant towards C-I functionality
Steiner, Ann-Kristin,Feofanov, Mikhail,Amsharov, Konstantin
, p. 14377 - 14380 (2020/12/01)
Herein we report a transition-metal free activation of a particularly stable aromatic carbon-fluorine bond allowing intramolecular aryl-aryl coupling which is orthogonal to carbon-iodine functionality.
NOVEL COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
-
Paragraph 0139; 0140; 0141, (2016/11/24)
Disclosed are: an organic electroluminescent element compound represented by structural formula 1 or 2 below; and an organic electroluminescent element comprising same. In this way, it is possible to provide an organic electroluminescent element compound which can be used as a host, hole-transport material and electron-transport material that has outstanding electrical stability and electron- and hole-transporting ability, a high level of triplet state energy and is able to improve the light-emitting efficiency of phosphorescent light-emitting materials, and an organic electroluminescent element.
Unusual fluorescene emission from ethynyltriphenylene-substituted diacetylenic molecular hinge. Formation of intramolecular excimer
Nandy, Ritesh,Sankararaman, Sethuraman
experimental part, p. 2260 - 2266 (2010/07/04)
A diacetylenic molecular hinge bearing two ethynyltriphenylene units (1) has been synthesized. Evidence from 1H NMR and variable temperature NMR (VT-NMR) of 1 in comparison to model compounds bearing only one triphenylene unit suggests that there is an equilibrium between the open conformer and the intramolecularly π-π interacting closed conformer in solution (equilibrium constant K = 6.5 at 298 K in CDCl3) arising from the rotation of the diacetylenic hinge. Unusual fluorescence emission observed from 1 has been assigned to excimer formation arising from intramolecularly π-π interacting triphenylene units in the excited state. Steady state and picosecond time resolved fluorescence spectra of 1 were nearly identical and corresponded to intramolecular excimer emission.
Donor-acceptor substituted phenylethynyltriphenylenes - Excited state intramolecular charge transfer, solvatochromic absorption and fluorescence emission
Nandy, Ritesh,Sankararaman, Sethuraman
supporting information; experimental part, p. 992 - 1001 (2011/03/19)
Several 2-(phenylethynyl)triphenylene derivatives bearing electron donor and acceptor substituents on the phenyl rings have been synthesized. The absorption and fluorescence emission properties of these molecules have been studied in solvents of different
