61532-33-0Relevant academic research and scientific papers
Deep Blue Iridium (Ⅲ) Complexes, method for preparaion of Iridium (Ⅲ) Complexes, and Organic Light-Emitting Diodes comprising thereof
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, (2020/12/09)
The present invention relates to a deep blue iridium complex, a method for preparing the same and an organic electroluminescence device including the same. The present invention provides an iridium complex represented by chemical formula 1 and a method fo
Enhanced Photoluminescence Quantum Yields through Excimer Formation of Cyclometalated Platinum(II) N-Heterocyclic Carbene Complexes
Pinter, Piermaria,Mangold, Hannah,Stengel, Ilona,Münster, Ingo,Strassner, Thomas
, p. 673 - 680 (2016/03/25)
We report a new class of CΛC? platinum(II) complexes in which excimer formation enhances the quantum yield while shortening the phosphorescence lifetime. Selective excitation of the monomer or dimer could be achieved at different wavelengths. These comple
Metallic Compound and Organic Electroluminescence Device Comprising the Same
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Page/Page column 11, (2008/12/08)
The present invention relates to a light emitting transition metal compound represented by the Chemical Formula 1 and Chemical Formula 2 and an organic electroluminescence device including the same. In the above Chemical Formulae 1 and 2, M is Ir, Pt, Rh,
Polymer-assisted parallel solution phase synthesis of substituted benzimidazoles
Yun, Young K.,Porco Jr., John A.,Labadie, Jeff
, p. 739 - 742 (2007/10/03)
A small library of benzimidazoles was prepared using polymer-bound reagents and scavengers. Polymer-assisted reaction of diphenyl diamines with carboxylic acids yielded o-amido-diphenylamines in the presence of Polystyrene-Carbodiimide (PS-Carbodiimide) u
Structure-activity relationships for 1-phenylbenzimidazoles as selective ATP site inhibitors of the platelet-derived growth factor receptor
Palmer, Brian D.
, p. 5457 - 5465 (2007/10/03)
1-Phenylbenzimidazoles are shown to be a new class of ATP-site inhibitors of the platelet-derived growth factor receptor (PDGFR). Structure- activity relationships (SARs) are narrow, with closely related heterocycles being inactive. A systematic study of
Ethoxymethylenemalonates and Malononitriles (EMM reagents) as formic acid equivalents: Synthesis of fused-imidazoles under neutral or mildly acidic con
Segelstein, Barb E.,Chenard, Bert L.,Macor, John E.,Post, Ronald J.
, p. 1897 - 1900 (2007/10/02)
The use of ethoxymethylenemalonates and malononitriles (EMM reagents) for the efficient synthesis of fused imidazoles and related compounds is describe.
New Synthesis of 11-Acyl-5,11-dihydro-6H-pyridobenzodiazepin-6-ones and Related Studies
Kovac, T.,Oklobdzija, M.,Comisso, G.,Decorte, E.,Fajdiga, T.,et al.
, p. 1339 - 1349 (2007/10/02)
New synthesis of 11-acyl-5,11-dihydro-6H-pyridobenzodiazepin-6-ones (42-44) is reported.The crucial steps (Scheme VI) represented N-oxidation of 1 (1A) to 35 (35A), facilitated ring-closure of 36 into 37, its subsequent N-α-chloroacetylation to 38, aminolysis to 39-41 (involving N-O anchimeric assistance as depicted in 38A) and deoxygenation to 42-44 (Scheme VII).The central intermediate 37 is also obtained on oxygenation of 2, a new synthesis of which was reported in the previous paper of this series .Other attempts of cyclisation "from the top" or "from the bottom" (Scheme I) are described.Thus, interaction of 1 with acetamide afforded 3 and 4 instead of the expected 2A.Compound 5 cyclised into 3-pyridoquinazolone 6 while its 2-(4'-methylpiperazin-1'-yl) analogue 9 was observed to be unstable for the attempted ring-opening and reclosure to 42. "From the bottom" cyclisations of 10A-10C, via intermediary amines 11A-11C failed and pyridoquinazolinone 13 was isolated (Scheme V).The attempted oxidative cyclisation of the compounds 15 and 18 into 2 and 42, respectively, 13 afforded imidazolopyridine derivative (18-19), while 15 remained unchanged. 3-Acylamino-2-arylaminopyridines (21-24), cyclised into the imidazolopyridines 29-30.Model compounds 45-50 were prepared to study selective aminolysis of the chlorine atoms in 2-chloro-3-(2'-chlorobenzoyl)aminopyridine 1, and its N-oxide 35.
