Articles with "halogen substituted" as a keyword



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An insight into intramolecular blue-shifting C H⋯π hydrogen bonds in 1,3-hexadien-5-yne and its halogen-substituted derivatives

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Published in 2019 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2018.11.001

Abstract: Abstract The blue-shifting intramolecular C H⋯π hydrogen bonds (H-bonds) in conformer I of 1,3-hexadien-5-yne (13HD5Y) and its halogen-substituted derivatives are explored by theoretical calculations. The geometric analysis indicates that the C H bond in conformer… read more here.

Keywords: hexadien yne; substituted derivatives; hydrogen bonds; halogen substituted ... See more keywords

Halogen-substituted thiazole derivatives as corrosion inhibitors for mild steel in 0.5 M sulfuric acid at high temperature

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Published in 2019 at "Journal of the Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2019.02.018

Abstract: Abstract The inhibitory effects of three halogen-substituted thiazole derivatives named 2-amino-4-(4-fluorophenyl)-thiazole (FPT), 2-amino-4-(4-chlorophenyl)-thiazole (CPT) and 2-amino-(4-bromophenyl)-thiazole (BPT) on mild steel corrosion were investigated in 0.5 M H2SO4 from 30 °C to 60 °C. Electrochemical measurements demonstrated that these… read more here.

Keywords: steel; mild steel; substituted thiazole; temperature ... See more keywords
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Electronic [UV–Visible] and vibrational [FT-IR] investigation and NMR spectroscopic analysis of some halogen substituted chromone (6-Fluorochromone, 6-Chlorochromone, 6-Bromochromone)

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Published in 2019 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2019.02.016

Abstract: Abstract This work deals with the successful spectroscopic properties (infrared, Nuclear magnetic resonance and UV–Vis) and theoretical calculations of chromone and some 6-halogen substituted chromone [C9O2H5X (X: F, Cl and Br)] molecules, namely Chromone (Chr),… read more here.

Keywords: substituted chromone; fluorochromone; chromone; halogen substituted ... See more keywords
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Crystallization of precisely halogen-substituted polyethylenes induced by ultra-high molecular weight polyethylene fiber

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Published in 2020 at "Polymer"

DOI: 10.1016/j.polymer.2020.123198

Abstract: Abstract The precisely halogen-substituted polyethylenes prepared by ADMET polymerization, that is, PE21F, PE21Cl and PE21Br were chosen as substituted polymers model to study the epitaxial crystallization of substituted polymers induced by the UHMWPE fiber. The… read more here.

Keywords: substituted polyethylenes; crystallization; uhmwpe fiber; precisely halogen ... See more keywords