Articles with "meta para" as a keyword



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Emission properties of Si-based styryl-carbazole derivatives: Role of meta- and para-vinyl substituents and silicon atom

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Published in 2018 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2017.12.007

Abstract: Abstract A series of styryl-carbazole derivatives (with and without a silicon atom) were investigated in n-hexane and in acetonitrile in terms of their spectroscopic and photophysical properties. The major question addressed in this work is… read more here.

Keywords: meta para; silicon atom; styryl carbazole; emission properties ... See more keywords
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Hinged Bipodal Furoylthiourea-Based Ru(II)-Arene Complexes: Effect of (ortho, meta, or para)-Substitution on Coordination and Anticancer Activity.

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Published in 2023 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.3c00073

Abstract: We set out to design and synthesize bipodal ligands with the phenyl group as the spacer and varied the substitution on the spacer between ortho (L1), meta (L2), and para (L3). The respective ligands and… read more here.

Keywords: ortho meta; anticancer activity; substitution; meta para ... See more keywords
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Experimental and Quantum Mechanical Study of Nucleophilic Substitution Reactions of meta- and para-Substituted Benzyl Bromides with Benzylamine in Methanol: Synergy Between Experiment and Theory

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Published in 2017 at "Australian Journal of Chemistry"

DOI: 10.1071/ch16061

Abstract: This work involves the experimental and theoretical study of the nucleophilic substitution of meta- and para-substituted benzyl bromides with benzylamine. Conductometric rate experiments confirm the applicability of the Hammett linear free-energy relationship to this system.… read more here.

Keywords: meta para; nucleophilic substitution; chemistry; study nucleophilic ... See more keywords
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Arene diversification through distal C(sp2)−H functionalization

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Published in 2021 at "Science"

DOI: 10.1126/science.abd5992

Abstract: Targeting distal C–H bonds in arenes The Friedel-Crafts reaction is among the oldest in organic chemistry. For well over a century, chemists have relied on electronic effects intrinsic to aryl rings to append substituents at… read more here.

Keywords: meta para; chemistry; group; activation ... See more keywords
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The implications of Ortho-, Meta- and Para- Directors on the In-Vitro Photodynamic Antimicrobial Chemotherapy Activity of Cationic Pyridyl-dihydrothiazole Phthalocyanines.

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Published in 2022 at "Photodiagnosis and photodynamic therapy"

DOI: 10.2139/ssrn.4118238

Abstract: Cationic Zn phthalocyanine complexes derived by alkylation reaction of tetra-(pyridinyloxy) phthalocyanines at the ortho, meta, and para positions to form Zn (II) Tetrakis 3-(4-(2-pyridin-1-ium-1-yl) butyl)-2-mercapto-4,5-dihydrothiazol-3-ium phthalocyanine (2), Zn (II) Tetrakis 3-(4-(3-pyridin-1-ium-1-yl) butyl)-2-mercapto-4,5-dihydrothiazol-3-ium phthalocyanine (4) and… read more here.

Keywords: ium; meta para; antimicrobial chemotherapy; phthalocyanine ... See more keywords
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Neuropsychopharmacology of Emerging Drugs of Abuse: meta- and para-Halogen-Ring-Substituted α-PVP (“flakka”) Derivatives

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Published in 2022 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms23042226

Abstract: Changes in the molecular structure of synthetic cathinones has led to an increase in the number of novel emerging drugs in the illicit drug market at an unprecedented rate. Unfortunately, little is known about the… read more here.

Keywords: emerging drugs; halogen; meta; substituted pvp ... See more keywords