The Experts below are selected from a list of 1557 Experts worldwide ranked by ideXlab platform
Jin Zhang - One of the best experts on this subject based on the ideXlab platform.
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liquid liquid equilibria for benzene cyclohexane n n dimethylformamide sodium Thiocyanate
The Journal of Chemical Thermodynamics, 2013Co-Authors: Hongxing Dong, Xiaoguang Yang, Guojun Yue, Wei Zhang, Jin ZhangAbstract:Experimental liquid−liquid equilibrium (LLE) data were measured for benzene + cyclohexane + N,N-dimethylformamide (DMF) + Ammonium Thiocyanate (NH4SCN) at atmospheric pressure and 298.15 K. The experimental data were correlated using the Othmer−Tobias correlation. The selectivity coefficients of DMF + NH4SCN for benzene are 2 to 15 in this work. The results revealed that the selectivity coefficients increased with the decreasing of the concentration of benzene in the raffinate and increased with the increasing of the mass fraction of NH4SCN in the DMF + NH4SCN mixture. Considering the high selectivity for benzene, DMF + NH4SCN may be used as a potential extracting solvent for the separation of benzene and cyclohexane.
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liquid liquid equilibria for benzene cyclohexane n n dimethylformamide potassium Thiocyanate
Journal of Chemical & Engineering Data, 2010Co-Authors: Hongxing Dong, Xiaoguang Yang, Jin ZhangAbstract:Experimental liquid−liquid equilibrium (LLE) data were measured for benzene + cyclohexane + N,N-dimethylformamide (DMF) + Ammonium Thiocyanate (NH4SCN) at atmospheric pressure and 298.15 K. The experimental data were correlated using the Othmer−Tobias correlation. The selectivity coefficients of DMF + NH4SCN for benzene are 2 to 15 in this work. The results revealed that the selectivity coefficients increased with the decreasing of the concentration of benzene in the raffinate and increased with the increasing of the mass fraction of NH4SCN in the DMF + NH4SCN mixture. Considering the high selectivity for benzene, DMF + NH4SCN may be used as a potential extracting solvent for the separation of benzene and cyclohexane.
Hongxing Dong - One of the best experts on this subject based on the ideXlab platform.
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Liquid–Liquid Equilibria of Benzene + n‑Heptane + N,N‑Dimethylformamide and Benzene + n‑Heptane + N,N‑Dimethylformamide + Ammonium Thiocyanate
2014Co-Authors: Xiaoguang Yang, Qilong Song, Hongxing DongAbstract:The liquid–liquid equilibrium data for the systems including benzene + n-heptane + N,N-dimethylformamide (DMF) and benzene + n-heptane + DMF + Ammonium Thiocyanate were measured experimentally at 298.15 K or 303.15 K and atmospheric pressure. The selectivity coefficients of the complex solvent (DMF + NH4SCN) are generally higher than those of DMF, derived from the tie-line data. For the high selectivity that is from 15.03 to 69.90 at 298.15 K or from 15.04 to 61.02 at 303.15 K, the complex solvent, DMF + NH4SCN, could be used as an extracting agent to separate benzene from n-heptane
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liquid liquid equilibria for benzene cyclohexane n n dimethylformamide sodium Thiocyanate
The Journal of Chemical Thermodynamics, 2013Co-Authors: Hongxing Dong, Xiaoguang Yang, Guojun Yue, Wei Zhang, Jin ZhangAbstract:Experimental liquid−liquid equilibrium (LLE) data were measured for benzene + cyclohexane + N,N-dimethylformamide (DMF) + Ammonium Thiocyanate (NH4SCN) at atmospheric pressure and 298.15 K. The experimental data were correlated using the Othmer−Tobias correlation. The selectivity coefficients of DMF + NH4SCN for benzene are 2 to 15 in this work. The results revealed that the selectivity coefficients increased with the decreasing of the concentration of benzene in the raffinate and increased with the increasing of the mass fraction of NH4SCN in the DMF + NH4SCN mixture. Considering the high selectivity for benzene, DMF + NH4SCN may be used as a potential extracting solvent for the separation of benzene and cyclohexane.
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liquid liquid equilibria for benzene cyclohexane n n dimethylformamide potassium Thiocyanate
Journal of Chemical & Engineering Data, 2010Co-Authors: Hongxing Dong, Xiaoguang Yang, Jin ZhangAbstract:Experimental liquid−liquid equilibrium (LLE) data were measured for benzene + cyclohexane + N,N-dimethylformamide (DMF) + Ammonium Thiocyanate (NH4SCN) at atmospheric pressure and 298.15 K. The experimental data were correlated using the Othmer−Tobias correlation. The selectivity coefficients of DMF + NH4SCN for benzene are 2 to 15 in this work. The results revealed that the selectivity coefficients increased with the decreasing of the concentration of benzene in the raffinate and increased with the increasing of the mass fraction of NH4SCN in the DMF + NH4SCN mixture. Considering the high selectivity for benzene, DMF + NH4SCN may be used as a potential extracting solvent for the separation of benzene and cyclohexane.
Ulrich Abram - One of the best experts on this subject based on the ideXlab platform.
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rhenium mixed ligand complexes with s n s tridentate thiosemicarbazone thiosemicarbazide ligands
Dalton Transactions, 2013Co-Authors: Pedro I S Maia, Hung Huy Nguyen, Adelheid Hagenbach, Silke Bergemann, Ronald Gust, Victor Marcelo Deflon, Ulrich AbramAbstract:Rhenium(V) complexes containing tridentate thiosemicarbazones/thiosemicarbazides (H2L1) derived from N-[N′,N′-dialkylamino(thiocarbonyl)]benzimidoyl chlorides with 4,4-dialkylthiosemicarbazides have been synthesized by ligand-exchange reactions starting from [ReOCl(L1)]. The chlorido ligand of [ReOCl(L1)] (4) is readily replaced and reactions with Ammonium Thiocyanate or potassium cyanide give [ReO(NCS)(L1)] (6) and [ReO(CN)(L1)] (7), respectively. The reaction of (NBu4)[ReOCl4] with H2L1 and two equivalents of Ammonium Thiocyanate, however, gives in a one-pot reaction [ReO(NCS)2(HL1)] (8), in which the pro-ligand H2L1 is only singly deprotonated. An oxo-bridged, dimeric nitridorhenium(V) compound of the composition [{ReN(HL1)}2O] (11) is obtained from a reaction of (NBu4)[ReOCl4], H2L1 and sodium azide. The six-coordinate complexes [ReO(L1)(Ph2btu)] (12), where HPh2btu is N,N-diphenyl-N′-benzoylthiourea, can be obtained by treatment of [ReOCl(L1)] with HPh2btu in the presence of NEt3. Studies of the antiproliferative effects of the [ReOX(L1)] system (X = Cl−, NCS− or CN−) on breast cancer cells show that the lability of a monodentate ligand seems to play a key role in the cytotoxic activity of the metal complexes, while the substitution of this ligand by the chelating ligand Ph2btu− completely terminates the cytotoxicity.
Vikas Madhukar Bangade - One of the best experts on this subject based on the ideXlab platform.
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convenient and simple synthesis of 2 aminothiazoles by the reaction of α halo ketone carbonyls with Ammonium Thiocyanate in the presence of n methylimidazole
Tetrahedron Letters, 2012Co-Authors: H M Meshram, Madhu B Babu, Pramod B. Thakur, Vikas Madhukar BangadeAbstract:Abstract Substituted 2-aminothiazole derivatives were obtained as a result of N -methylimidazole catalyzed cyclization of α-halo ketone carbonyls with Ammonium Thiocyanate in water–alcoholic media. The generality of the method has been demonstrated by screening a series of aromatic/heteroaromatic/aliphatic α-halo ketones, α-halo β-diketones, and α-halo β-ketoesters. The developed method is simple, mild, and general route for the preparation of diversely functionalized 2-aminothiazoles in good to moderate yields from readily available starting materials.
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a convenient rapid and general synthesis of α oxo Thiocyanates using clay supported Ammonium Thiocyanate
ChemInform, 2012Co-Authors: Harshadas M. Meshram, Madhu B Babu, Pramod B. Thakur, Vikas Madhukar BangadeAbstract:Solvent-less grinding of organic halides or tosylates with the title reagent allows the synthesis of a large variety of α-oxo Thiocyanates and alkyl Thiocyanates (48 examples).
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a convenient rapid and general synthesis of α oxo Thiocyanates using clay supported Ammonium Thiocyanate
Tetrahedron Letters, 2012Co-Authors: Harshadas M. Meshram, Madhu B Babu, Pramod B. Thakur, Vikas Madhukar BangadeAbstract:Abstract A very rapid, convenient, and general method for the synthesis of α-oxo Thiocyanates has been described by using clay supported Ammonium Thiocyanate. The procedure avoids the use of additional catalyst, solvent, aqueous work-up and the yields are high. Moreover, the method is applicable for a variety of aryl, heteroaryl, alkyl α-halo carbonyls, β-keto tosylates, α-halo β-dicarbonyl, α-tosyl, β-dicarbonyl, alkyl halide, and alkyl tosylates.
Xiaoguang Yang - One of the best experts on this subject based on the ideXlab platform.
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Liquid–Liquid Equilibria of Benzene + n‑Heptane + N,N‑Dimethylformamide and Benzene + n‑Heptane + N,N‑Dimethylformamide + Ammonium Thiocyanate
2014Co-Authors: Xiaoguang Yang, Qilong Song, Hongxing DongAbstract:The liquid–liquid equilibrium data for the systems including benzene + n-heptane + N,N-dimethylformamide (DMF) and benzene + n-heptane + DMF + Ammonium Thiocyanate were measured experimentally at 298.15 K or 303.15 K and atmospheric pressure. The selectivity coefficients of the complex solvent (DMF + NH4SCN) are generally higher than those of DMF, derived from the tie-line data. For the high selectivity that is from 15.03 to 69.90 at 298.15 K or from 15.04 to 61.02 at 303.15 K, the complex solvent, DMF + NH4SCN, could be used as an extracting agent to separate benzene from n-heptane
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liquid liquid equilibria for benzene cyclohexane n n dimethylformamide sodium Thiocyanate
The Journal of Chemical Thermodynamics, 2013Co-Authors: Hongxing Dong, Xiaoguang Yang, Guojun Yue, Wei Zhang, Jin ZhangAbstract:Experimental liquid−liquid equilibrium (LLE) data were measured for benzene + cyclohexane + N,N-dimethylformamide (DMF) + Ammonium Thiocyanate (NH4SCN) at atmospheric pressure and 298.15 K. The experimental data were correlated using the Othmer−Tobias correlation. The selectivity coefficients of DMF + NH4SCN for benzene are 2 to 15 in this work. The results revealed that the selectivity coefficients increased with the decreasing of the concentration of benzene in the raffinate and increased with the increasing of the mass fraction of NH4SCN in the DMF + NH4SCN mixture. Considering the high selectivity for benzene, DMF + NH4SCN may be used as a potential extracting solvent for the separation of benzene and cyclohexane.
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liquid liquid equilibria for benzene cyclohexane n n dimethylformamide potassium Thiocyanate
Journal of Chemical & Engineering Data, 2010Co-Authors: Hongxing Dong, Xiaoguang Yang, Jin ZhangAbstract:Experimental liquid−liquid equilibrium (LLE) data were measured for benzene + cyclohexane + N,N-dimethylformamide (DMF) + Ammonium Thiocyanate (NH4SCN) at atmospheric pressure and 298.15 K. The experimental data were correlated using the Othmer−Tobias correlation. The selectivity coefficients of DMF + NH4SCN for benzene are 2 to 15 in this work. The results revealed that the selectivity coefficients increased with the decreasing of the concentration of benzene in the raffinate and increased with the increasing of the mass fraction of NH4SCN in the DMF + NH4SCN mixture. Considering the high selectivity for benzene, DMF + NH4SCN may be used as a potential extracting solvent for the separation of benzene and cyclohexane.