63018-93-9

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Relevant academic research and scientific papers

MATERIALS FOR FORMING A NUCLEATION-INHIBITING COATING AND DEVICES INCORPORATING SAME

An opto-electronic device includes a substrate, a first electrode disposed over the substrate, a semiconducting layer disposed over the first electrode, a second electrode disposed over the semiconducting layer, the second electrode having a first portion and a second portion, a nucleation inhibition coating disposed over the first portion of the second electrode; and a conductive coating disposed over the second portion of the second electrode, wherein the nucleation inhibition coating is a compound of Formula (I).

Boron-nitrogen derivative used for organic electroluminescence

The invention provides a boron-nitrogen derivative used for organic electroluminescence. The boron-nitrogen derivative is characterized by having a structure as shown in a general formula (I) which is described in the specification. In the general formula (I), A is C or N; and n and m are any number selected from the group consisting of 0, 1, 2 and 3. Furthermore, the invention also provides an organic electroluminescent blue-light emitting host material, an electron injection material, an electronic transmission material and a device containing the above-mentioned boron-nitrogen derivative. The boron-nitrogen derivative provided by the invention has good solubility and thermal stability, is used as a blue-light emitting host material, and can simultaneously solve the disadvantages of easy crystallization of a small molecule object material and low Tg of a wide energy band host material.

ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME

PROBLEM TO BE SOLVED: To provide an anthracene derivative desirably having controlled solubility, deposition property, wet coating property and orientation property (further desirably thermal stability) and an electroluminescent element excellent in at least one of efficacy, life and driving voltage by using the compound as a constituent of the electroluminescent element. SOLUTION: There is provided an anthracene derivative represented by the following formula (1). Ar-An-L-FG (1), where An is anthracene, Ar is aryl having 6 to 18 carbon atoms which may be substituted, L is arylene having 7 to 18 carbon atoms which may be substituted and 2 or more rings are condensed and FG is an oligophenylene structure bound at a meta position which may be substituted (functional group). SELECTED DRAWING: None COPYRIGHT: (C)2016,JPOandINPIT

Restricted rotation in 9-phenyl-anthracenes: A prediction fulfilled

The calculated phenyl rotation barrier in 9-phenylanthracene has been reported as ～21 kcal mol-1, but experimental verification of this barrier is limited by its intrinsic symmetry. V-T NMR indicated the barrier to interconversion of the syn (C

CYCLOADDITIONS OF 1,3,4-OXADIAZIN-6-ONES

From substituted 2-oxoethanoic acids and acylhydrazines the corresponding hydrazones 1 are prepared, which can be cyclized to give the title compounds 2.The reactions of 2 with activated alkynes (yneamines, cyclooctyne, dehydrobenzene) proceed as -cycloadditions and result in the formation of α-pyrones after loss of nitrogen.Reactions of this type are possible also intramolecularly, if the oxadiazinones (2r-u) contain a properly located alkyne group.Oxadiazinones 2 undergo Diels-Alder cycloadditions with a variety of olefins.Diaryloxadiazinones react with alkenes which are activated by ring strain (cyclopropene, cyclobutene, trans-cyclooctene), by a high-lying HOMO (benzvalene, styrene, enamines), or by the factor > in the case of norbornene.The methyl phenyloxadiazinonecarboxylate 2p is highly reactive and takes up even 1-octene and cyclohexene.The primary adducts of type 54 readily extrude nitrogen to give 4,5-dihydropyrylium-2-olates (60) as most probable but not observed intermediates.In one case the expected -cycloadduct, namely 26, could be isolated.The ultimate products are generally derived either from 60 or from γ-keto ketenes 53, which are believed to be in equilibrium with 60. γ-Keto ketenes 53 have been detected with many systems and are stable in certain cases.When diphenyloxadiazinone, 2a, was treated with norbornene, norbornadiene, cyclopentene, trans-cyclooctene, or styrene, enol lactones of type 63 were isolated, which are considered to be formed from the intermediate dihydropyryliumolates 62 by a suprafacial -H shift.Cyclopropenes and cyclobutene transform oxadiazinones 2 to α,β-unsaturated seven-membered enol lactones 64-67 and eight-membered enol lactone 69, respectively.These products are believed to be the result of valence isomerizations of the corresponding dihydropyryliumolates (74, 75).Enamines behave exceptionally in that they can convert the oxadiazinones 2 into products not derived from the -cycloaddition (e.g. 82, 88, 89), although the latter process is dominating in most examples investigated to date.The compounds obtained from the usual -cycloadditions are amides of α,β-unsaturated δ-oxo acids (78, 80) and α,β-unsaturated δ-amino-δ-lactones (81).The former are believed to arise from α-amino-γ-keto ketene intermediates (76) by -amino migrations, whereas the formation of the latter (81) can be rationalized in two different ways, one being a -amino migration starting from the possible intermediates 85 (4-amino-4,5-dihydropyrylium-2-oltes).Cyclobutanone derivatives 50 and 52 and cyclopentanone derivatives 16 originate from γ-keto ketenes generated from cis,trans-1,5-cyclooctadiene, o-vinylstyrene, and benzvalene, respectively.In these cases, intramolecular cycloaddition of the ketene functionality occurs across either the CC double bond or the strained bicyclo-butane sigma bond, respectively.Intermolecular -cycloadditions of the corresponding γ-keto ketenes with cyclopentadiene, 2,3-dihydrofuran, and ...