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   Articles with "meta substituted" as a keyword



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Theoretical and experimental study of the reaction of 2-guanidinobenzimidazole on a series of meta -substituted benzaldehydes

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recommendations! Published in 2017 at "Chemical Research in Chinese Universities"

DOI: 10.1007/s40242-017-6476-4

Abstract: The syntheses of a variety of 1,3,5-triazinebenzimidazoles obtained by the cyclocondensation reaction of 2-guanidinobenzimidazole with a series of meta-substituted benzaldehydes were reported. The prepared compounds were fully characterized by IR and NMR spectroscopies. Based on… read more here.

Keywords: meta substituted; guanidinobenzimidazole series; substituted benzaldehydes; reaction guanidinobenzimidazole ... See more keywords
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Diabatic pseudofragmentation and nonadiabatic excitation-energy transfer in meta-substituted dendrimer building blocks

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recommendations! Published in 2019 at "Computational and Theoretical Chemistry"

DOI: 10.1016/j.comptc.2019.03.013

Abstract: Abstract Excitation-energy transfer in multichromophoric assemblies is often pictured in terms of excitonic models whereby the underlying diabatic states correlate with the ground (acceptor) and excited (donnor) electronic states of well-defined separated fragments. Poly(phenylene ethynylene)… read more here.

Keywords: excitation energy; energy transfer; meta substituted;

Photophysical and Lewis acidic properties of triarylboranes with meta-substituted 2-R-o-carboranes

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recommendations! Published in 2017 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2017.06.001

Abstract: Abstract Triarylboranes incorporating meta-substituted 2-R-o-carboranes (R = H, Me, iBu, Ph, 4-CF3C6F4) were prepared to investigate the effects of the meta-2-R-o-carborane on Lewis acidity. X-ray crystal structures revealed that the carboranyl C C bond distances increased with… read more here.

Keywords: substituted triarylboranes; meta substituted; lewis acidic; lewis acidity ... See more keywords

Internal antiplasticisation in highly crosslinked amine cured multifunctional epoxy resins

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recommendations! Published in 2018 at "Polymer"

DOI: 10.1016/j.polymer.2018.05.048

Abstract: Abstract The aromatic epoxy isomers triglycidyl p-aminophenol and triglycidyl m-aminophenol were cured with two aromatic diamine isomers 4,4′ diaminodiphenyl sulphone and 3,3′ diaminodiphenyl sulphone, creating four variations of epoxy resin. Dynamic and static mechanical analyses… read more here.

Keywords: epoxy; substituted phenylene; meta substituted; internal antiplasticisation ... See more keywords

Modular Access to meta-Substituted Benzenes via Mo-Catalyzed Intermolecular Deoxygenative Benzene Formation.

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recommendations! Published in 2023 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.3c01330

Abstract: The substituted benzene derivatives are essential to organic synthesis, medicinal chemistry, and material science. However, the 1,3-di- and 1,3,5-trisubstituted benzenes are far less prevalent in small-molecule drugs than other substitution patterns, likely due to the… read more here.

Keywords: benzene; deoxygenative benzene; catalyzed intermolecular; meta substituted ... See more keywords