Separation of cis/trans Isomers of 4,5-Dihydroxyimidazolidine-2-thione and 4,5-Dimethoxyimidazolidine-2-thione by Aqueous Normal-Phase HPLC Mode
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DOI: 10.1007/s10337-020-03926-8
Abstract: An aqueous normal-phase high-performance liquid chromatography method was developed to separate cis/trans isomers of 4,5-dihydroxyimidazolidine-2-thione and 4,5-dimethoxyimidazolidine-2-thione on a Luna HILIC 200 Å column containing silica surface covered with cross-linked diol with an eluent acetonitrile/water… read more here.
Keywords: dimethoxyimidazolidine thione; phase; normal phase; thione ... See more keywords
Thione-Based Nickel(II) Complexes as Functional Antioxidant Mimics: Scavenging Activity of Reactive Oxygen Species O2−· and X-Ray Crystal Structure of [Ni(Ttxyly)2]2 {Ttxylyl = Hydrotris(2-mercapto-1-xylyl-imidazolyl)borate}
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Inorganic and Organometallic Polymers and Materials"
DOI: 10.1007/s10904-017-0573-1
Abstract: Two new thione-based nickel complexes, viz., [Ni(Tmipr)2Cl2]⋅2H2O 1 and [Ni(Ttxyly)2] ⋅H2O⋅2CH3OH 2 {Tmipr = 1-(2-isopropylphenyl)-1H-imidazole-2(3H)-thione; Ttxylyl− = hydrotris[1-(2,6-dimethylphenyl)-1H-imidazole-2(3H)-thione]borate anion} have been synthesized. Their structures and properties were characterized by several physicochemical methods, namely elemental and thermal analysis, FT-IR and… read more here.
Keywords: nickel; nickel complexes; thione; based nickel ... See more keywords
An insight into methimazole phototautomerism: Central role of the thiyl radical and effect of benzo substitution
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DOI: 10.1016/j.molstruc.2018.02.013
Abstract: Abstract The thione/thiol tautomerism in methimazole (1-methyl-2-thioimidazole; MTI) and 1-methyl-2-thiobenzimidazole (MTBI) has been investigated by matrix isolation infrared spectroscopy and quantum chemical calculations performed at the DFT(B3LYP)/6-311++G(d,p) level. The two compounds were shown to pass… read more here.
Keywords: thiol; thione thiol; thione; thione form ... See more keywords
Hydrophobic pocket docking, double-proton prototropic tautomerism in contradiction to single-proton transfer in thione ⇔thiol Schiff base with triazole-thione moiety: Green synthesis, XRD and DFT-analysis
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2018.12.010
Abstract: Abstract In the present study, an eco-friendly and efficient microwave-assisted synthesis of the (E)-4-((3,4-difluorobenzylidene)amino)-2,4-dihydro-5-methyl-3H-1,2,4-triazole-3-thione Schiff base ligand was described. XRD-single crystal analysis reflected the molecule occurs in an exo-thione tautomeric form in solid state. Therefore,… read more here.
Keywords: xrd; thione; proton; triazole thione ... See more keywords
An investigation of supramolecular synthons in 1,2,4-triazole-3(4H)-thione compounds. X-ray crystal structures, energetic and Hirshfeld surface analysis
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DOI: 10.1016/j.molstruc.2019.06.049
Abstract: Abstract A series of four closely related 1,2,4-triazole-3-thione (1-4) compounds was obtained by heterocyclization of thiosemicarbazides under basic catalytic conditions. The crystal structures of the 4-alkyl-5-(substituted-phenyl)-2H-1,2,4-triazole-3(4H)-thione derivatives [4-alkyl = 4-ethyl-5-phenyl (1), 4-hexyl-5-phenyl (2), 4-hexyl-5-p-tolyl (3), and 4-ethyl-5-(2,4,6-trimethoxyphenyl)… read more here.
Keywords: thione compounds; surface; thione; crystal structures ... See more keywords
Syntheses, spectral and structural characterization of Cd(II) complexes of 5-(thiophen-2-yl)-1,3,4-oxadiazole-2-thione, 2-thiohydantoin and 2-thenoyltrifluoroacetone
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DOI: 10.1016/j.poly.2017.05.012
Abstract: Abstract Three Cd(II) complexes, [Cd(5-thot)2(en)2] (1), [Cd(thd)2(µ-Br)]n (2) and [Cd(ttfa)2(en)] (3) have been synthesized from 5-(thiophen-2-yl)-1,3,4-oxadiazole-2-thione, 2-thiohydantoin and 2-thenoyltrifluoroacetone by the reaction of cadmium(II) salt. The complexes have been characterized by various physicochemical methods. Complexes… read more here.
Keywords: oxadiazole thione; thione; geometry; thiophen oxadiazole ... See more keywords
Synthesis, structure, spectroscopic studies and magnetic properties of Cu2N2O4-, Cu2N2O2(S2)-, Cu2N2S4-chromophores based on aminomethylene derivatives of pyrazole-5-one(thione)
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DOI: 10.1016/j.poly.2020.114623
Abstract: Abstract The aminomethylene derivatives of pyrazole-5-one (6) and pyrazole-5-thione (7) were synthesized in the reaction of 2-aminophenol (4) with corresponding 1-phenyl-3-methyl-5-X-pyrazole-4-carbaldehyde (1, X = hydroxy) or (2, X = sulfanyl). Reaction of 2-aminobenzenethiol (5) with 1-R-3-methyl-5-sulfanyl-pyrazole-4-carbaldehydes (2, R = phenyl… read more here.
Keywords: aminomethylene derivatives; pyrazole one; thione; spectroscopy ... See more keywords
Green carbon disulfide surrogate via a combination of potassium sulfide and chloroform for benzothiazine-thione and benzothiazole-thione construction
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DOI: 10.1039/c8qo00481a
Abstract: An efficient and green carbon disulfide surrogate via facile combination of potassium sulfide and chloroform has been developed. A variety of benzothiazine-thiones and benzothiazole-thiones were straightforwardly established along with the formation of five new chemical… read more here.
Keywords: carbon disulfide; thione; green carbon; potassium sulfide ... See more keywords
1-(4-Hydroxyphenyl)-2H-tetrazole-5-thione as a leveler for acid copper electroplating of microvia
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DOI: 10.1039/d2ra02274e
Abstract: Microvia filling by copper electroplating was performed using plating solution with 1-(4-hydroxyphenyl)-2H-tetrazole-5-thione (HPTT) as the leveler. Galvanostatic Measurements (GMs), Linear Sweep Voltammetry (LSV) and Electrochemical Impedance Spectroscopy (EIS) tests were carried out to investigate the… read more here.
Keywords: copper; hptt; tetrazole thione; copper electroplating ... See more keywords