A “nucleophilic” iodine in a halogen-bonded iodonium complex manifests an unprecedented I+···Ag+ interaction
Sign Up to like & getrecommendations! Published in 2021 at "Chem"
DOI: 10.1016/j.chempr.2021.01.003
Abstract: Summary When an electron is removed from a halogen atom, it forms a halenium ion X+ (X = I, Br, Cl). In halogen bonding (XB), X+ is considered as a strong XB donor, and when interacting… read more here.
Keywords: halogen bonded; iodonium; interaction; nucleophilic iodine ... See more keywords
The Photochemical Activity of a Halogen-Bonded Complex Enables the Microfluidic Light-Driven Alkylation of Phenols
Sign Up to like & getrecommendations! Published in 2022 at "Organic Letters"
DOI: 10.1021/acs.orglett.2c00604
Abstract: A mild light-driven protocol for the direct alkylation of phenols is reported. The process is driven by the photochemical activity of a halogen-bonded complex formed upon complexation of the in situ generated electron-rich phenolate anion… read more here.
Keywords: light driven; photochemical activity; activity halogen; bonded complex ... See more keywords
Construction of Halogen-Bonded Organic Frameworks (XOFs) as Novel Efficient Iodinating Agents.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c11598
Abstract: The structural diversity and the various applications of organic frameworks have attracted much attention in recent years. Recently, halogen-bonded organic frameworks (XOFs) became a novel member of these materials, thereby facilitating the exploration of the… read more here.
Keywords: xof; frameworks xofs; organic frameworks; bonded organic ... See more keywords
Halogen-bonded cocrystallization with phosphorus, arsenic and antimony acceptors
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-018-07957-6
Abstract: The formation of non-covalent directional interactions, such as hydrogen or halogen bonds, is a central concept of materials design, which hinges on using small compact atoms of the 2nd period, notably nitrogen and oxygen, as… read more here.
Keywords: halogen bonded; arsenic antimony; phosphorus arsenic; halogen ... See more keywords
Assembly and dichroism of a four-component halogen-bonded metal-organic cocrystal salt solvate involving dicyanoaurate(I) acceptors.
Sign Up to like & getrecommendations! Published in 2017 at "Faraday discussions"
DOI: 10.1039/c7fd00114b
Abstract: We describe the use of dicyanoaurate ions as linear ditopic metal-organic acceptors for the halogen bond-driven assembly of a dichroic metal-organic cocrystal based on azobenzene chromophores. Structural analysis by single crystal X-ray diffraction revealed that… read more here.
Keywords: halogen bonded; organic cocrystal; four component; metal organic ... See more keywords
Two-dimensional halogen-bonded organic frameworks based on the tetrabromobenzene-1,4-dicarboxylic acid building molecule
Sign Up to like & getrecommendations! Published in 2020 at "CrystEngComm"
DOI: 10.1039/c9ce01140d
Abstract: Two-dimensional (2D) halogen-bonded organic frameworks were readily engineered by strong and directional effects of the primary Br⋯O and the secondary Br⋯π halogen bonding interactions from the tetrabromobenzene-1,4-dicarboxylic acid (H2Br4BDC) building molecule involving 100% supramolecular yields.… read more here.
Keywords: halogen bonded; dimensional halogen; two dimensional; halogen ... See more keywords
Effects of dynamic pedal motion and static disorder on thermal expansion within halogen-bonded co-crystals
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Chemistry"
DOI: 10.1039/c9nj04833b
Abstract: Thermal expansion is investigated for halogen-bonded co-crystals containing molecules that exhibit dynamic motion, lack motion ability, or experience static disorder. read more here.
Keywords: halogen bonded; motion; static disorder; bonded crystals ... See more keywords
Application of a tetrapyrimidyl cyclobutane synthesized in the organic solid state: a halogen-bonded supramolecular ladder
Sign Up to like & getrecommendations! Published in 2020 at "CrystEngComm"
DOI: 10.1039/d0ce01280g
Abstract: A halogen-bonded supramolecular ladder comprised of a novel pyrimidine-based cyclobutane photoproduct synthesized in the organic solid state via a [2 + 2] photoreaction is reported. The photoproduct rctt-tetrakis(5′-pyrimidyl)cyclobutane functions as rungs while the linear divergent… read more here.
Keywords: halogen bonded; supramolecular ladder; synthesized organic; bonded supramolecular ... See more keywords
Halogen-bonded one-dimensional chains of functionalized ditopic bipyridines co-crystallized with mono-, di-, and triiodofluorobenzenes
Sign Up to like & getrecommendations! Published in 2021 at "CrystEngComm"
DOI: 10.1039/d1ce00494h
Abstract: A series of halogen-bonded (XB) 1D and zigzag supramolecular architectures involving a sterically hindered class of homologous para-xylenes bearing bipyridyl moieties at peripheries co-crystallized with mono-, di-, and triiodofluorobenzenes as XB donors are prepared. read more here.
Keywords: halogen bonded; bonded one; crystallized mono; one dimensional ... See more keywords
Stoichiomorphic Halogen-Bonded Cocrystals. A Case Study of 1,4-Diiodotetrafluorobenzene and 3-Nitropyridine
Sign Up to like & getrecommendations! Published in 2021 at "Canadian Journal of Chemistry"
DOI: 10.1139/cjc-2021-0245
Abstract: The concept of variable stoichiometry cocrystallization is explored in halogen-bonded systems. Three novel cocrystals of 1,4-diiodotetrafluorobenzene and 3-nitropyridine with molar ratios of 1:1, 2:1, and 1:2, respectively, are prepared by slow evaporation methods. Single-crystal X-ray… read more here.
Keywords: halogen bonded; cocrystal; diiodotetrafluorobenzene nitropyridine; halogen ... See more keywords
Uracil Derivatives for Halogen-Bonded Cocrystals
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Molecular Sciences"
DOI: 10.3390/ijms221910663
Abstract: Among non-covalent interactions, halogen bonding is emerging as a new powerful tool for supramolecular self-assembly. Here, along with a green and effective method, we report three new halogen-bonded cocrystals containing uracil derivatives and 1,2,4,5-tetrafluoro-3,6-diiodobenzene as… read more here.
Keywords: halogen bonded; bonded cocrystals; halogen; spectroscopy ... See more keywords