Alkyl pyrazine synthesis via an open heated bath with variable sugars, ammonia, and various amino acids.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the science of food and agriculture"
DOI: 10.1002/jsfa.8039
Abstract: BACKGROUND Semi-quantitative characteristics of headspace volatile pyrazines which constituted around 1% by weight of the final product have been previously described. The influence of reactant concentration, reaction temperature, and reaction time on both the yield… read more here.
Keywords: methyl pyrazine; alkyl pyrazine; pyrazine synthesis; pyrazine ... See more keywords
Three types of noncovalent interactions studied between pyrazine and XF
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Modeling"
DOI: 10.1007/s00894-021-05012-8
Abstract: Three types noncovalent interactions (type I, II and III) between pyrazine (C4H4N2) and XF (X = F, Cl, Br, and I) have been discovered at the MP2/aug-cc-pVTZ level. TypeI is σ-hole interaction between the positive site on… read more here.
Keywords: type iii; three types; pyrazine; interaction ... See more keywords
Synthesis, properties and application of novel 5,6,5,6-tetracyclic pyrazine/pyrrole-fused unsymmetric bis(BF2) fluorescent dyes: BOPYPYs
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2019.07.027
Abstract: Abstract Novel 5,6,5,6-tetracyclic pyrazine/pyrrole-fused unsymmetric bis(BF2) fluorescent dyes (BOPYPYs) were obtained by reaction of pyrrole-2-carboxaldehyde with 1-(pyrazin-2-yl)hydrazine in the presence of Et3N-BF3·Et2O for the first time. The absorption maxima of pyrazine-fused BOPYPY are obviously bathochromic… read more here.
Keywords: pyrrole; novel tetracyclic; pyrazine pyrrole; pyrrole fused ... See more keywords
Synthesis, spectroscopic analyses (FT-IR and NMR), vibrational study, chemical reactivity and molecular docking study and anti-tubercular activity of condensed oxadiazole and pyrazine derivatives
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2017.12.018
Abstract: Abstract The Fourier transform infrared spectra of the compounds 2-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazine (PHOXPY), 2-(5-styryl-1,3,4-oxadiazol-2-yl)pyrazine (STOXPY) and 2-(5-(furan-2-yl)-1,3,4-oxadiazol-2-yl)pyrazine (FUOXPY) have been recorded and the wavenumbers are computed at the density functional theory level. The assignments of all the… read more here.
Keywords: study; spectroscopic; pyrazine; activity ... See more keywords
Unveiling the Different Emission Behavior of Polytriazoles Constructed from Pyrazine-Based AIE Monomers by Click Polymerization.
Sign Up to like & getrecommendations! Published in 2018 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.8b03178
Abstract: Polymers with aggregation-induced emission (AIE) characteristics have aroused tremendous interest because of their potential applications in large-area flexible display and luminescent self-assembling, and as stimuli-responsive and porous materials. However, the design of AIE-active polymers is… read more here.
Keywords: aie monomers; aie active; click polymerization; pyrazine ... See more keywords
Construction of Pyrazine-Appended 1D and 3D Cobalt(II) Succinate Coordination Polymers: Influence of Solvent on Architectures and Applications in Gas Adsorption and NAC Detection
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.1c05216
Abstract: An underexplored reaction of pyrazine (rigid and linear) and succinic acid (flexible) with Co(NO3)2·6H2O afforded four new coordination polymers (CPs): [Co(H2O)(pyz)(suc)] (1), [Co(H2O)2(pyz)(suc)] (2), [Co(H2O)4(pyz)](suc) (3) and [Co2(H2O)2(pyz)(suc)2] (4), as well as [Co(HCO2)2(pyz)] (5) being… read more here.
Keywords: h2o pyz; coordination; pyz suc; coordination polymers ... See more keywords
Enhanced Photosensitive Schottky Diode Behavior of Pyrazine over 2-Aminopyrimidine Ligand in Copper(II)-Phthalate MOFs: Experimental and Theoretical Rationalization
Sign Up to like & getrecommendations! Published in 2018 at "ACS Omega"
DOI: 10.1021/acsomega.8b01111
Abstract: Two novel Cu(II)-based metal–organic frameworks [C40H34Cu2N6O18 (1) and C20H18CuN2O10 (2)] have been synthesized using 2-aminopyrimidine or pyrazine ligands and phthalate ion and characterized spectroscopically and by X-ray single-crystal diffraction. Both 1 and 2 show electrical… read more here.
Keywords: pyrazine; photosensitive schottky; diode behavior; experimental theoretical ... See more keywords
Thermally Stimulated Delayed Phosphorescence (TSDP)-Based Gold(III) Complexes of Tridentate Pyrazine-Containing Pincer Ligand with Wide Emission Color Tunability and Their Application in Organic Light-Emitting Devices.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.9b12136
Abstract: A new class of pyrazine-based carbazole-containing gold(III) complexes featuring thermally stimulated delayed phosphorescence (TSDP) properties has been designed and synthesized. The emission colors are found to be sensitive to the coordinating atom of the carbazolyl… read more here.
Keywords: iii; gold iii; iii complexes; pyrazine ... See more keywords
Formation of the layered conductive magnet CrCl2(pyrazine)2 through redox-active coordination chemistry
Sign Up to like & getrecommendations! Published in 2018 at "Nature Chemistry"
DOI: 10.1038/s41557-018-0107-7
Abstract: The unique properties of graphene, transition-metal dichalcogenides and other two-dimensional (2D) materials have boosted interest in layered coordination solids. In particular, 2D materials that behave as both conductors and magnets could find applications in quantum… read more here.
Keywords: coordination; crcl2 pyrazine; chemistry; redox active ... See more keywords
Surface-enhanced Raman scattering of pyrazine on Au5Al5 bimetallic nanoclusters
Sign Up to like & getrecommendations! Published in 2017 at "RSC Advances"
DOI: 10.1039/c6ra28240g
Abstract: In this study, we theoretically investigated the Raman and absorption spectra of pyrazine adsorbed on Au5Al5 bimetallic nanoclusters by a time-dependent density functional theory (TD-DFT) method. The surface-enhanced resonance Raman scattering (SERRS) spectra of pyrazine… read more here.
Keywords: raman scattering; surface enhanced; serrs; au5al5 bimetallic ... See more keywords
Low-spin [MII(L)2] and [MIII(L)2]+ (M = Fe and Co) complexes of tridentate azo-containing pyridine/pyrazine amide ligands: structures, properties and redox potential correlations.
Sign Up to like & getrecommendations! Published in 2017 at "Dalton transactions"
DOI: 10.1039/c7dt01577a
Abstract: Using deprotonated forms of tridentate azo-containing pyridine-2-/pyrazine-2-carboxamide 2-[N-(2-phenylazo)carbamoyl]-pyridine/pyrazine, seven bis-ligand complexes of FeII/CoII and FeIII/CoIII have been synthesized. Molecular structures of six of them reveal that these six-coordinate complexes utilize all available donor sites of… read more here.
Keywords: miii; mii; pyridine pyrazine; azo containing ... See more keywords