151391-00-3Relevant academic research and scientific papers
Synthesis and Electronic Properties of Fluoreno[2,1-a]fluorenedione and Fluoreno[1,2-a]fluorenedione
Hacker, Allison S.,Pavano, Mauricio,Wood, James E.,Immoos, Chad E.,Hashimoto, Hannah,Genis, Sam P.,Frantz, Derik K.
, p. 510 - 515 (2018)
The [2,1-a]- and [1,2-a]-isomers of fluorenofluorenedione have been synthesized via intramolecular Friedel-Crafts acylations. DFT calculations indicate that the [1,2-a]-isomer adopts a twisted, helical C2-symmetric structure and that its proton
Helical Threads: Enantiomerically Pure Carbo[6]Helicene Oligomers
Schaack, Cédric,Sidler, Eric,Trapp, Nils,Diederich, Fran?ois
, p. 14153 - 14157 (2017)
We report the synthesis of enantiomerically pure carbo[6]helicene oligomers with buta-1,3-diyne-1,4-diyl bridges between the helicene nuclei. The synthesis of monomeric (±)-2,15-bis[(triisopropylsilyl)ethynyl]carbo[6]helicene was achieved in 25 % yield over six steps. Pure (+)-(P)- and (?)-(M)-enantiomers were obtained by HPLC on a chiral stationary phase. The dimeric (+)-(P)2- and (?)-(M)2-configured and the tetrameric (+)-(P)4- and (?)-(M)4-configured oligomers were obtained by sequential oxidative acetylenic coupling. The ECD spectra of the tetrameric oligomers displayed large Cotton effect intensities of Δ?=?851 m?1 cm?1 at λ=370 nm ((M)4-enantiomer). We transformed the buta-1,3-diyne-1,4-diyl bridge in the dimeric (P)2 and (M)2 oligomer by heteroaromatization into a thiene-2,5-diyl linker. Although the resulting chromophore showed reduced ECD intensities, it exhibited a remarkably strong fluorescence emission at 450–500 nm, with an absolute quantum yield of 25 %.
A fluorescent naphthalene ring[3] aromatic hydrocarbon nonporous adaptive crystal and preparation method and application thereof
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Paragraph 0081-0084, (2022/01/12)
The present invention discloses a fluorescent naphthalene ring [3] aromatic hydrocarbon nonporous adaptive crystal and preparation method and application thereof. The preparation methods include: first replacing the hydroxyl group in 2,7-dihydroxynaphthal
Synthesis of Primitive Dendrimer Systems Bearing Bicyclo[3,2,0]Hept-6-en-6-yl Groups via Unique Au-catalyzed [2+2] Cyclization
Lee, Kyu Hwan,Jillella, Raveendra,Kim, Jaewoong,Oh, Chang Ho
supporting information, p. 651 - 656 (2018/04/30)
Propargylic pivaloates bearing an alkynyl group at a three-carbon tether under the gold catalysis would undergo [3,3] rearrangements of propargylic pivaloates followed by tandem [2+2] cyclization to give the corresponding 6-acylbicyclo[3,2,0]hept-6-ens. In continuing work, we prepared various substrates bearing two arms of alkyne-propargylic pivaloates to explore primitive dendrimer concept bicyclic compounds. Finally, we could obtain a series of diasteromeric compounds bearing two arms of 6-acylbicyclo[3,2,0]hept-6-ene groups in high yields.
Organic electric field light-emitting device, display device and illumination device
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Paragraph 0254-0256, (2016/10/09)
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element having excellent luminous efficiency and element life.SOLUTION: In an anthracene compound where a phenyl group and a naphthyl group are bonded, respectively, to the ninth and tenth positions, a compound where a specific aryl substitutes, especially, for the seventh position of a naphthyl group (bonded to anthracene at the second position) is used as a material for the luminous layer thus manufacturing an organic electroluminescent element.
2. 7 - double anthryl naphthalene compound, a material for the luminescent layer, the organic electroluminescent element, display device and illumination device
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Paragraph 0241-0244, (2016/10/10)
PURPOSE: A 2,7-bisanthrylnaphthalene compound is provided to provide an organic electroluminescence device having low driving voltage and long life time. CONSTITUTION: A 2,7-bisanthrylnaphthalene compound is in chemical formula 1. In chemical formula 1, Ar^1 and Ar^2 is respectively substituted or unsubstituted aryl, R^1 and R^2 is respectively C1-4 alkyl or C3-6 cycloalkyl, and m and n is respectively an integer from 0-8. At least one hydrogen atom in chemical formula 1 can be substituted by deuterium. An organic electroluminescence device comprises a pair of electrodes consisting of a positive electrode and a negative electrode, and an electroluminescent layer containing an electroluminescent layer containing the electroluminescent material arranged between the electrodes.
2-(1,2,3-Triazol-4-yl)pyridine-containing ethynylarenes as selective 'turn-on' fluorescent chemosensors for Ni(II)
Christensen, Joseph A.,Fletcher, James T.
supporting information, p. 4612 - 4615 (2014/12/10)
A series of ethynylarene compounds containing 2-(1,2,3-triazol-4-yl)pyridine chelating units were studied as fluorescent chemosensors for metal cations in aqueous solution. Analogs possessing two chelating units bridged by either 1,4-diethynylphenyl or 2,7-diethynylnaphthyl subunits displayed large hypsochromic shifts coupled with signal intensification when exposed to increasing concentrations of Ni(II), a unique response among 22 metal cation analytes. This response was shown to be reversible, and is proposed to derive from disruption of aggregate formation upon Ni(II) binding at the peripheral chelating units.
NOVEL ANTHRACENE COMPOUND AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING SAME
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Paragraph 0168-0169, (2014/01/07)
Provided is an organic electroluminescence element having superior element service life. An anthracene compound in which an aryl group having C10 or greater is bonded to the 9-position and a naphthyl group is bonded to the 10-position, wherein a compound in which a specific aryl group has been substituted, in particular, at the 7-position of the naphthyl group (which is bonded at the 2-position thereof to the anthracene) is used as a material for a luminescence layer to produce the organic electroluminescence element.
A novel series of G-quadruplex ligands with selectivity for HIF-expressing osteosarcoma and renal cancer cell lines
Lombardo, Caterina M.,Welsh, Sarah J.,Strauss, Sandra J.,Dale, Aaron G.,Todd, Alan K.,Nanjunda, Rupesh,Wilson, W. David,Neidle, Stephen
supporting information, p. 5984 - 5988 (2012/11/07)
A series of naphthalene derivatives with disubstituted triazole side-arms have been assembled by click chemistry. Lead compounds show a high level of selectivity for renal, osteo- and Ewing's sarcomas that express the HIF-1α transcription factor. They also interact selectively with the quadruplex DNAs located in the promoter of the HIF genes and it is suggested that the mechanism of action involves inhibition of transcription by drug-mediated quadruplex stabilization in these regions.
G-QUADRUPLEX STABILISING AGENT
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Page/Page column 15-16, (2012/10/18)
A compound of formula (I) (Formula (I)) wherein Ar1 is a bicyclic aryl or heteroaryl, which may be optionally substituted; X and Y are each independently a group of formula (II): (Formula (II)) L1 and L2 are each independently selected from NR3, C2H2, CH2, -O-, -S- and a bond; Ar2 and Ar3 are independently optionally substituted C5 or C6 aryl or heteroaryl; Q is selected from NH(C=O), NR3, S, O; n is an integer from 1 to 5; R1 and R2 are optionally substituted and are independently hydrogen, C1-7 alkyl, C3-20 heterocyclyl, or C5-20 aryl, or R1 and R2, taken together with the nitrogen atom to which they are attached, form a heterocyclic ring having from 3 to 8 ring atoms; R3 is H or C1-7 alkyl.
