Results 31 to 40 of about 184,143 (305)

Crystal structure of 1-(2,6-diisopropylphenyl)-1H-imidazole

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The crystal structure of the title compound, C15H20N2 or DippIm, is reported. At 106 (2) K, the molecule has monoclinic P21/c symmetry with four molecules in the unit cell.
Neil Dudeja   +3 more
doaj   +1 more source

Simulating Metal-Imidazole Complexes [PDF]

open access: yes
One commonly observed binding motif in metalloproteins involves the interaction between a metal ion and histidine\u27s imidazole sidechains. Although previous imidazole-M(II) parameters established the flexibility and reliability of the 12-6-4 Lennard ...
Subhamoy, Bhowmik   +7 more
core   +4 more sources

Scope of tetrazolo[1,5-a]quinoxalines in CuAAC reactions for the synthesis of triazoloquinoxalines, imidazoloquinoxalines, and rhenium complexes thereof

open access: yesBeilstein Journal of Organic Chemistry, 2022
The conversion of tetrazolo[1,5-a]quinoxalines to 1,2,3-triazoloquinoxalines and triazoloimidazoquinoxalines under typical conditions of a CuAAC reaction has been investigated.
Laura Holzhauer   +4 more
doaj   +1 more source

Quantifying the Electronic and Steric Properties of 1,3-Imidazole-Based Mesoionic Carbenes (iMICs) [PDF]

open access: yes, 2020
1,3-Imidazole-based mesoionic carbenes (iMICs) are a very promising class of carbon-donor ligands in synthesis and catalysis. However, a systematic study of the quantification of stereoelectronic properties of iMICs is lacking. This is most likely due to
Hans-Georg Stammler   +9 more
core   +1 more source

Synthesis and crystal structures of two 1,3-di(alkyloxy)-2-(methylsulfanyl)imidazolium tetrafluoridoborates

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2020
Two salts were prepared by methylation of the respective imidazoline-2-thione at the sulfur atom, using Meerwein's salt (trimethyloxonium tetrafluoridoborate) in CH2Cl2. 1,3-Dimethoxy-2-(methylsulfanyl)imidazolium tetrafluoridoborate (1), C6H11N2O2S+·BF4−
Thomas Gelbrich   +5 more
doaj   +1 more source

Imidazole-Linked Crystalline Two-Dimensional Polymer with Ultrahigh Proton-Conductivity [PDF]

open access: yes, 2019
Proton-exchange membrane fuel cells are promising energy devices for a sustainable future due to green features, high power density, and mild operating conditions.
Vivek Chandrakant Wakchaure (7388591)   +8 more
core   +3 more sources

Imidazole: Having Versatile Biological Activities

open access: yesJournal of Chemistry, 2013
Imidazoles have occupied a unique position in heterocyclic chemistry, and its derivatives have attracted considerable interests in recent years for their versatile properties in chemistry and pharmacology.
Amita Verma, Sunil Joshi, Deepika Singh
doaj   +1 more source

Magnesium and imidazole propionate

open access: yesClinical Nutrition ESPEN, 2021
Circulating levels of imidazole propionate (ImP), a microbial metabolite of histidine, were higher in participants with type 2 diabetes (T2D) compared to those without and also induced insulin resistance. We hypothesize that low intake of magnesium (Mg) and/or low body Mg status in humans may lead to low Mg concentrations in gut microbiota, and, in ...
Lei Fan   +7 more
openaire   +3 more sources

Quantification of Imidazole Compounds in Ambient Aerosols at Suburban and Forest Sites in Western Japan [PDF]

open access: yes, 2019
Ambient aerosol particles at forest and suburban sites in western Japan were analyzed for imidazole compounds, such as 4 (5)-Methylimidazole (4-MI), 1-ethylimidazole (1-EI), 2-ethylimidazole (2-EI), and imidazole-2-carboxaldehyde (IC).
Tomoki Nakayama   +9 more
core   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

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