Four faces of the interaction between ions and aromatic rings
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Computational Chemistry"
DOI: 10.1002/jcc.24816
Abstract: Non‐covalent interactions between ions and aromatic rings play an important role in the stabilization of macromolecular complexes; of particular interest are peptides and proteins containing aromatic side chains (Phe, Trp, and Tyr) interacting with negatively… read more here.
Keywords: interaction types; aromatic rings; four interaction; ions aromatic ... See more keywords
Direct Functionalization of Poly(spirophosphazene)s via the Regioselective Lithiation of the Aromatic Rings Using a Cooperative Superbase.
Sign Up to like & getrecommendations! Published in 2017 at "Macromolecular rapid communications"
DOI: 10.1002/marc.201700039
Abstract: The direct chemical functionalization of poly(spirophosphazene) [NP(O2 C12 H8 )]n (1) can be performed by the lithiation of the aromatic rings at low temperature using Schlosser's base (Lit Bu/KOt Bu or "superbase"), and the subsequent… read more here.
Keywords: poly spirophosphazene; aromatic rings; lithiation aromatic; functionalization poly ... See more keywords
Polycyclic aromatic compounds-modified graphitic carbon nitride for efficient visible-light-driven hydrogen evolution
Sign Up to like & getrecommendations! Published in 2018 at "Carbon"
DOI: 10.1016/j.carbon.2018.03.089
Abstract: Abstract Polycyclic aromatic compounds with strong conjugated effect, possess the advantage of improving electronic polarizability, thus accelerating the electron transportation. Here, a facile copolymerization between urea and polycyclic aromatic compounds (benzoic acid, naphthoic acid and… read more here.
Keywords: aromatic rings; aromatic compounds; visible light; graphitic carbon ... See more keywords
Insight into the macromolecular structural differences between hard coal and deformed soft coal
Sign Up to like & getrecommendations! Published in 2019 at "Fuel"
DOI: 10.1016/j.fuel.2019.02.070
Abstract: Abstract Coalification and tectonic deformation have significant influence on the macromolecular structure of coal. In this paper, Fourier transform infrared (FTIR) spectral and X-ray photoelectron spectrometer (XPS) measurements were conducted on soft and hard coals… read more here.
Keywords: tectonic deformation; hard coals; aromatic rings; soft hard ... See more keywords
Recent advances of the site-specific direct methylation on aromatic rings
Sign Up to like & getrecommendations! Published in 2021 at "Tetrahedron"
DOI: 10.1016/j.tet.2021.132402
Abstract: Abstract Five- and six-membered aromatic rings bearing a methyl group are important molecular fragments in drug discovery. From the medicinal chemistry standpoint, the methyl group might play a pivotal role in improving the biological activities… read more here.
Keywords: recent advances; direct methylation; methyl group; aromatic rings ... See more keywords
Copper-Catalyzed Functionalization of Aza-Aromatic Rings with Fluoroalcohols via Direct C(sp2)-H/C(sp3)-H Coupling Reactions.
Sign Up to like & getrecommendations! Published in 2020 at "Organic letters"
DOI: 10.1021/acs.orglett.0c00797
Abstract: An efficient copper-catalyzed direct C(sp2)-H/C(sp3)-H coupling reaction of aza-aromatic rings with fluoroalcohols is developed. A variety of useful building blocks including hydroxyfluoroalkylated aniline, pyrrole, and indole derivatives bearing a quaternary carbon center could be constructed… read more here.
Keywords: sp2 sp3; sp3 coupling; aromatic rings; direct sp2 ... See more keywords
Synthesis and structural characterisation of bulky heptaaromatic (hetero)aryl o-substituted s-aryltetrazines
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Chemistry"
DOI: 10.1039/d0nj02338h
Abstract: An expedient two-step synthesis produces in good yield polyaromatic heptacyclic (hetero)arylated o-substituted s-aryltetrazines (s-Tz) directly from diphenyl s-tetrazine. This methodology overcomes the steric limitations of classical Pinner-like syntheses encountered for o-functionalized s-Tz. A single step… read more here.
Keywords: aromatic rings; synthesis structural; substituted aryltetrazines; hetero ... See more keywords
Mixed Halobenzenes also prefer face…face approaches of aromatic rings, revealing a new inversion symthon.
Sign Up to like & getrecommendations! Published in 2023 at "CrystEngComm"
DOI: 10.1039/d3ce00276d
Abstract: Analysis of known crystal structures of halobenzenes reveals that the 176 closest intermolecular interactions contain either edge…face or face…face approaches between aromatic rings. Most of these close approaches possess the... read more here.
Keywords: aromatic rings; mixed halobenzenes; face; face approaches ... See more keywords
Aromatic Rings Commonly Used in Medicinal Chemistry: Force Fields Comparison and Interactions With Water Toward the Design of New Chemical Entities
Sign Up to like & getrecommendations! Published in 2018 at "Frontiers in Pharmacology"
DOI: 10.3389/fphar.2018.00395
Abstract: The identification of lead compounds usually includes a step of chemical diversity generation. Its rationale may be supported by both qualitative (SAR) and quantitative (QSAR) approaches, offering models of the putative ligand-receptor interactions. In both… read more here.
Keywords: aromatic rings; commonly used; chemistry; chemical ... See more keywords
Dielectric Properties of Chiral Ferroelectric Liquid Crystalline Compounds with Three Aromatic Rings Connected by Ester Groups
Sign Up to like & getrecommendations! Published in 2019 at "Crystals"
DOI: 10.3390/cryst9090473
Abstract: The tilted ferroelectric SmC* phase of three structurally different series having three aromatic rings in the core structure connected by ester groups with different end alkyl chain lengths, all of which are derived from lactic… read more here.
Keywords: phase; smc phase; aromatic rings; three aromatic ... See more keywords
New O- and N-N-Bridging Complexes of Tc(V), the Role of the Nitrogen Atom Position in Aromatic Rings: Reaction Mechanism, Spectroscopy, DTA, XRD and Hirshfeld Surface Analysis
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Molecular Sciences"
DOI: 10.3390/ijms232214034
Abstract: In this work, O- and N-N-bridging complexes of technetium (V), previously known only for rhenium, were obtained for the first time. Tc(V) complexes with pyridazine (pyd), 1,2,4-triazole (trz), 3,5-dimethylpyrazole (dmpz) and pyrimidine (pyr) were obtained.… read more here.
Keywords: bridging complexes; aromatic rings; spectroscopy; analysis ... See more keywords