Articles with "cyano" as a keyword



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Facile chemical vapor modification strategy to construct surface cyano-rich polymer carbon nitrides for high efficient photocatalytic H2 evolution.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202201575

Abstract: The surface grafting of electro-negative cyano groups on polymer carbon nitrides (PCNs) is an effective way to tail their electronic structure. Despite the significant progress in the synthesis of cyano group-enriched PCN, developing a simple… read more here.

Keywords: carbon nitrides; surface cyano; cyano rich; cyano ... See more keywords
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Structure–activity investigation of the potentiating effect of cyano substitution on nitroaniline mutagenicity in the ames test

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Published in 2018 at "Environmental and Molecular Mutagenesis"

DOI: 10.1002/em.22161

Abstract: 2,6‐Dicyano‐4‐nitroaniline and 2‐cyano‐4‐nitroaniline (CNNA; 2‐amino‐5‐nitrobenzonitrile) are potent mutagens in the Ames test, even though unsubstituted nitroanilines (NAs) are no more than weak mutagens. These compounds are putative reduction products of many commercial azo dyes, including… read more here.

Keywords: potentiating effect; effect cyano; disperse; cyano ... See more keywords
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SYNTHESIS AND HALOCYCLIZATION OF 3-CYANO-4,6-DIMETHYL-2-PYRIDONE ALLYL DERIVATIVES

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Published in 2019 at "Chemistry of Heterocyclic Compounds"

DOI: 10.1007/5078

Abstract: The sequence of condensation, alkylation, and halocyclization reactions during the synthesis of the target 2,3-dihydro[1,3]oxazolo[3,2- a ]pyridinium salts was investigated. The effect of basic catalysis on the chemoselectivity of the reaction of malononitrile with acetylacetone… read more here.

Keywords: cyano dimethyl; cyano; halocyclization; dimethyl pyridone ... See more keywords
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Post-mortem analyses of PiB and flutemetamol in diffuse and cored amyloid-β plaques in Alzheimer’s disease

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Published in 2020 at "Acta Neuropathologica"

DOI: 10.1007/s00401-020-02175-1

Abstract: Specificity and sensitivity of positron emission tomography (PET) radiopharmaceuticals targeting fibrillar amyloid-β (Aβ) deposits is high for detection of neuritic Aβ plaques, a mature form of Aβ deposits which often have dense Aβ core (i.e.,… read more here.

Keywords: pib; microscopy; flutemetamol; cored plaques ... See more keywords
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Regioselective Transformation of the Cyano Group of Triterpene α,β-Alkenenitriles

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Published in 2017 at "Chemistry of Natural Compounds"

DOI: 10.1007/s10600-017-2091-3

Abstract: Unsaturated acids, including difficultly accessible ceanothane-type ones, were prepared via alkaline hydrolysis of semi-synthetic triterpenoids with 1-cyano- or 3-methyl-1-cyanoalkene fragments in five-membered ring A. Regioselective reduction of 1-cyano-19β,28-epoxy-2-nor-18αH-olean-1(3)-ene by DIBAL-H synthesized 2-aminomethyl-19β,28-epoxy-2-nor-18αH-olean-1(3)-ene. The synthesized triterpene… read more here.

Keywords: transformation cyano; triterpene alkenenitriles; cyano group; regioselective transformation ... See more keywords
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Amide-based xanthine oxidase inhibitors bearing an N-(1-alkyl-3-cyano-1H-indol-5-yl) moiety: Design, synthesis and structure-activity relationship investigation.

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Published in 2021 at "Bioorganic chemistry"

DOI: 10.1016/j.bioorg.2021.105417

Abstract: Our previous work identified a promising isonicotinamide based xanthine oxidase (XO) inhibitor, N-(3-cyano-4-((2-cyanobenzyl)oxy)phenyl)isonicotinamide (1), and concluded that amide is an effective linker in exploring the XO inhibitor chemical space that is completely different from the… read more here.

Keywords: amide based; xanthine oxidase; based xanthine; cyano indol ... See more keywords
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Bifunctional template-mediated synthesis of porous ordered g-C3N4 decorated with potassium and cyano groups for effective photocatalytic H2O2 evolution from dual-electron O2 reduction

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Published in 2022 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.132032

Abstract: Abstract The photocatalytic method to produce hydrogen peroxide (H2O2) as a substitute for fossil fuels has become a hot research topic. We herein propose cyano defect and potassium intercalation modified g-C3N4 photocatalysts in which the… read more here.

Keywords: potassium; electron reduction; dual electron; reduction ... See more keywords
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Enabling high efficiency and long lifetime of pure blue phosphorescent organic light emitting diodes by simple cyano modified carbazole-based host

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Published in 2021 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2020.109118

Abstract: Abstract Herein, we report two simple and efficient high triplet energy bipolar host materials named 2'-(9H-carbazol-9-yl)-[1,1′-biphenyl]-2-carbonitrile (CzBPCN) and 9-(2′-cyano-[1,1′-biphenyl]-2-yl)-9H-carbazole-3-carbonitrile (CNCzBPCN) by connecting carbazole type donor and cyano acceptor on 2 and 2′ positions of a… read more here.

Keywords: blue phosphorescent; carbazole; organic light; phosphorescent organic ... See more keywords
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Synthesis and liquid-crystalline properties of methacrylate monomers carrying a p-terphenyl laterally substituted with one or two cyano groups

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Published in 2017 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2017.06.042

Abstract: Abstract Two methacrylate monomers, carrying a p -terphenyl laterally substituted with one or two cyano groups, were synthesized and studied from the liquid crystal and optical points of view. The synthetic route involved several reactions,… read more here.

Keywords: methacrylate monomers; cyano groups; monomers carrying; two cyano ... See more keywords
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Enhancing Intermolecular Interaction by Cyano Substitution in Copper Phthalocyanine

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Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b09225

Abstract: On-surface molecular self-assembly is one of the key paradigms for understanding intermolecular interactions and molecule–substrate interactions at the atomic scale. Phthalocyanines are planar π-conjugated systems capable of self-assembly and can act as versatile, robust, and… read more here.

Keywords: self assembly; copper phthalocyanine; cyano; substitution ... See more keywords
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Catalytic Direct Construction of Cyano-tetrazoles.

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Published in 2020 at "Organic letters"

DOI: 10.1021/acs.orglett.0c03025

Abstract: Cyano-tetrazole is the first reported compound that bears four nitrogen atoms in a single five-membered ring. This unique molecular scaffold has long been ignored after its discovery in 1885, mainly attributed to the scarcity of… read more here.

Keywords: catalytic direct; cyano tetrazoles; construction cyano; direct construction ... See more keywords