Triethylammonium (<i>S</i>)-(−)-<i>O</i>-[1-(2-naphthyl)ethyl] (4-methoxyphenyl)dithiophosphonate

Solak, Samet; Karakuş, Mehmet; Tercan, Barış; Hökelek, Tuncer

doi:10.1107/s1600536811015820

Cited by 4 publications

(4 citation statements)

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“…Those values are very close to each other due to a delocalized PS 2 fragments. Bond lengths and angles are in a good agreement with those of related previously reported compounds [7,9]. Figure 1 shows that the phosphorus atom has a tetrahedral coordination environment with [O1-P1-S1 113.30(4)°, O2-P1-S1 110.12(4)°, O(1)-P(1)-S(2) 105.02(4)°, O2-P1-S2 110.05(4)°] and the O1-P1-O2 [99.61(6)°] having a deviation from the ideal value (109.5°).…”

Section: Resultssupporting

confidence: 90%

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Novel Gold(I) and Silver(I) Complexes of Phosphorus-1,1,-dithiolates and Molecular Structure of [O,O’-(Bornyl)2PS2]H3NC(CH3)3

Solak

Aydemir

Karakuş

et al. 2013

Chemistry Central Journal

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BackgroundThe novel chiral phosphorus-1,1-dithiolates [4-CH3OC6H4P(S)(OR)S]-[H3NC(CH3)3]+ were synthesized by the reaction of [RPS2)]2 (R = 4-MeOC6H4) or P2S5 and the respective alcohol ROH (R = myrtanyl, 2-naphthylethyl, myrtenyl, borneol) in toluene. The reaction of phosphorus-1,1-dithiolates 1–4 and Au(tht)Cl, AuClPPh3 or AgNO3 and PPh3 gave rise to gold(I)- and silver(I)-complexes in THF. All compounds have been characterised by elemental analyses, IR, NMR (1H-, 13C- and 31P-) spectroscopy as well as MS measurements. Optical rotation values confirmed the chirality of the compounds. The Compound 4 has been characterized structurally by X-ray crystallography.ResultsPhosphorus-1,1,-dithiolate compounds were formed as liquids and were treated with suitable amine in order to convert them to their salts 1–4 . They have been successfully characterized spectroscopically (IR, 1H, 13C, 31P NMR) as well as mass spectra. The compound 4 has been also structurally by X-ray crystallography. The compound 4 crystallizes in the orthorhombic space group P2(1)2(1)2(1) with Z = 4. Compounds containing phosphorus and sulfur donor atoms are excellent ligands due to offering many metal complexes especially group 11–12 metals. The synthesis of gold(I) and silver(I) complexes with chiral phosphorus-1,1,-dithiolate and triphenylphosphine have been described and investigated.ConclusionsIn the present work, we report the synthesis, charactreization of the chiral phosphorus-1,1-dithiolate ligands and preparing the gold(I) and silver(I) phosphorus-1,1-dithiolate or S-donor with phosphine complexes. The molecular structure of the Compound 4 was determined by X-ray diffraction. Due to an easy synthesis method of phosphorus-1,1-dithiolate compounds and a good complexion reagent, it is possible the improvement of the collecting metallic gold or silver from the minerals. When the more ionic salt of phosphorus-1,1-dithiolate compounds were prepared in this way, the water can be used as a cheap solvent. As a result, it can be an alternatively method for the collecting metallic gold or silver from the minerals in future.

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Section: Resultssupporting

confidence: 90%

“…al. [7] but the spectral studies of the compound 2 were not. All ligands 1 – 4 and gold(I) complexes reported here have been characterised by elemental analysis, IR, NMR and mass spectrocopies.…”

Section: Resultsmentioning

confidence: 99%

Novel Gold(I) and Silver(I) Complexes of Phosphorus-1,1,-dithiolates and Molecular Structure of [O,O’-(Bornyl)2PS2]H3NC(CH3)3

Solak

Aydemir

Karakuş

et al. 2013

Chemistry Central Journal

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“…A dithiophosphonate bridged methoxyphenyl and bis(trifluorophenylethyl) groups and a triethylammonium moiety connected by N-H...S and C-H...F hydrogen bonds are included in this compound, where the bond lengths between atoms in the molecules are higly compatible with standard values (Allen et al, 1987), and usually quite compatible with those in the formerly reported molecule. (Solak et al, 2011).…”

Section: Resultsmentioning

confidence: 99%

Electronic and Thermodynamic Properties of a Derivative of Dithiophosphonates

Bayrakdar¹

2019

Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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In this work, thermodynamic properties (Heat capacity, Entropies, Enthalpy, Gibbs free and Thermal energy) and frontier (HOMO, LUMO) molecular orbitals of a derivative dithiophosphonates molecule which is [+HN(C2H5)3][CH3CHOC6H3(CF3)2)(CH3OC6H4)PS2-] in the ground state were calculated by using the quantum chemical calculation method such as density functional theory (DFT) employing B3LYP and HF levels with the 6-31G(d) basis set. In addition, the frontier molecular orbitals analysis of the molecule were researched using computational methods. Properties about the charge density distribution of the title compound and its chemical reactivity has been investigated with mapping molecular electrostatic potential surface.

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“…Схожий, але менш значний вплив на відновлення нітрату справляють також інші галогеніди -йодид та фторид. Можливо, цей вплив пояснюється їх адсорбцією на поверхню електрода і наступною перебудовою ПЕШ -як у випадку відновлення нітрату на об'ємному мідному електроді [33]. Інше пояснення подібного ефекту збіль-шення аналітичного сигналу при відновленні нітрату в хлоридному середовищі на модифікованому міддю платиновому електроді було наведено в роботі [24].…”

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Modified Electrode for No3- Determination in Saline Waters by Voltammetry Method

Smyk

Kopanytsa

2019

Bull. T. Shevchenko Nat. Univ. Kyiv. Chem.

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A certain level of NO3- in water is necessary for the growth of algae. Most aquatic organisms can survive at relatively high nitrate levels, but concentrations higher than 0.2 mg/l cause fish diseases, eutrophication and algal bloom in aquariums. Thus, it is necessary to monitor the level of nitrates in aquarium water. When choosing the method of nitrate level analysis that will be used to develop an in-site saltwater monitor system, we should take into account several key factors, such as the threshold concentration and possible inferences, including high levels of Cl- in saltwater. Other desired criteria for the method are the need to get results in real time, low cost of production, and a way to perform the measurements in-site without the need for highly skilled personnel. The voltammetry was chosen as a method that satisfies our criteria. It is known that nitrate can be reduced quantitatively on a copper electrode. However, the copper electrode becomes poisoned after only a few minutes of use. Previous studies showed that a thin layer of copper deposited on the surface of various commonly used electrodes significantly improve the perfomance of the sensing system. This paper describes the fabrication process of voltammetric sensor and shows the advantage of using a glassy carbon electrode modified with electrodeposited copper layer to measure the concentration of nitrate in sea water. We have found that the modified sensor can be effectively used to catalyze nitrate reduction with a welldefined reduction wave with E= -1.1 V. We performed the cyclic voltammetric (CV) experiments and chose an optimal supporting electrolyte and the optimal conditions for the pretreatment. It was found that the peak current of nitrate increases with the increase of Cl- concentration and is stable in the range (2–3)⋅10-1 mol/l. The pH value from 3.5 to 6.0 does not influence the reaction on an electrode. The developed sensor was used to direct determine of nitrate in artificial seawater without of any sample preparation. Potentiometry with standard proсedure of Cl- precipitation was used to validate all the results. The values obtained by both methods were in good agreement with each other.

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Triethylammonium (S)-(−)-O-[1-(2-naphthyl)ethyl] (4-methoxyphenyl)dithiophosphonate

Cited by 4 publications

References 13 publications

Novel Gold(I) and Silver(I) Complexes of Phosphorus-1,1,-dithiolates and Molecular Structure of [O,O’-(Bornyl)2PS2]H3NC(CH3)3

Novel Gold(I) and Silver(I) Complexes of Phosphorus-1,1,-dithiolates and Molecular Structure of [O,O’-(Bornyl)2PS2]H3NC(CH3)3

Electronic and Thermodynamic Properties of a Derivative of Dithiophosphonates

Modified Electrode for No3- Determination in Saline Waters by Voltammetry Method

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