Tag: M.W=250-300

Gujar, Rajesh B.’s team published research in Inorganic Chemistry Communications in 73 | CAS: 4551-69-3

Inorganic Chemistry Communications published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, Product Details of C17H14N2O2.

Gujar, Rajesh B. published the artcileExtractive complexation of lanthanides and Am(III) by 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone in ionic liquid: Solvent extraction and spectroscopic studies, Product Details of C17H14N2O2, the publication is Inorganic Chemistry Communications (2016), 72-76, database is CAplus.

Extraction behavior of trivalent actinides and lanthanides was studied using solutions of 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone (HPMBP), a beta-diketone, in a room temperature ionic liquid, 1-methyl-3-octyl-imidazolium bis(trifluoromethylsulfonyl) imide (C8mim·Tf2N). The complex extracted into C8mim·Tf2N differs in its composition than those observed in mol. diluents such as benzene. Whereas, neutral ML3 complex is predominant in mol. diluents, a pos. charged complex, [ML2·HL]+ (where M = La3+, Eu3+, Lu3+ and Am3+; L = PMBP–; HL = HPMBP), was identified to be extracted into the ionic liquid medium. Luminescence spectroscopic studies suggested presence of four inner-sphere water mols. in the extracted species. This paper reports for the first time the stability constant of a lanthanide (Nd3 +) complex with HPMBP in C8mim·Tf2N which are significantly larger than those reported in mol. diluents. Thermodn. parameters were also determined to throw light on the nature of complexation.

Inorganic Chemistry Communications published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, Product Details of C17H14N2O2.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics

Sangeetha, K. G.’s team published research in Journal of Molecular Structure in 1150 | CAS: 4551-69-3

Journal of Molecular Structure published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, HPLC of Formula: 4551-69-3.

Sangeetha, K. G. published the artcileInsight into the theoretical and experimental studies of 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone N(4)-methyl-N(4)- phenylthiosemicarbazone – A potential NLO material, HPLC of Formula: 4551-69-3, the publication is Journal of Molecular Structure (2017), 135-145, database is CAplus.

The synthesis, geometrical parameters, spectroscopic studies, optimized mol. structure, vibrational anal., Mullikan population anal., MEP, NBO, frontier MOs and NLO effects of 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone N-(4)-methyl-N-(4)-phenylthiosemicarbazone, C25H23N5OS (L1) have been communicated in this paper. A combined exptl. and theor. approach was used to explore the structure and properties of the compound For computational studies, Gaussian 09 program was used. Starting geometry of mol. was taken from X-ray refinement data and has been optimized by using DFT (B3LYP) method with the 6-31+G (d, p) basis sets. NBO anal. gave insight into the strongly delocalized structure, responsible for the nonlinearity and hence the stability of the mol. Frontier MOs have been defined to forecast the global reactivity descriptors of L1. The computed first-order hyperpolarizability (β) of the compound is 2 times higher than that of urea and this account for its nonlinear optical property. Simultaneously, a mol. docking study of the compound was performed using GLIDE Program. For this, three biol. enzymes, histone deacetylase, ribonucleotide reductase, and DNA Me transferase, were selected as receptor mols.

Journal of Molecular Structure published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, HPLC of Formula: 4551-69-3.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics

Sangeetha, K. G.’s team published research in Inorganica Chimica Acta in 469 | CAS: 4551-69-3

Inorganica Chimica Acta published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, Quality Control of 4551-69-3.

Sangeetha, K. G. published the artcileSynthesis, structural and spectroscopic studies of 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone N(4)-methyl-N(4)-phenyl thiosemicarbazone and its cadmium(II) complex, Quality Control of 4551-69-3, the publication is Inorganica Chimica Acta (2018), 25-31, database is CAplus.

Synthesis, spectral and single crystal XRD studies of a novel ligand 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone N(4)-methyl-N(4)-phenylthiosemicarbazone and its cadmium(II) complex were communicated. The ligand crystallizes in triclinic system with space group P-1, a(Å) = 7.8930(4), b(Å) = 11.2019(5), c(Å) = 13.0211(7); α(°) = 96.175(3), β(°) = 100.922(3)°, γ(°) = 91.005(3)°, V(Å3) = 1123.02(10), r(mg/m3) = 1.306 and Z = 2. Cadmium(II) complex crystallizes in the monoclinic crystal system with space group P21/c, unit cell dimensions a(Å) = 9.6939(5), b(Å) = 22.5183(11), c(Å) = 21.2054(10); α(°) = 90, β(°) = 99.960(2), γ (°) = 90, V(Å3) = 4559.2(4) and Z = 4. The packing of the mols. in the crystal lattice is stabilized by intermol. hydrogen bonds. Spectroscopic data along with crystal structure, confirmed the involvement of azomethine nitrogen, thione sulfur and enolic oxygen of pyrazolone moiety in coordination with the metal ion.

Inorganica Chimica Acta published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C17H14N2O2, Quality Control of 4551-69-3.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics

Sunitha, S.’s team published research in International Journal of Pharmacy and Biological Sciences in 3 | CAS: 4551-69-3

International Journal of Pharmacy and Biological Sciences published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C10H18O, Product Details of C17H14N2O2.

Sunitha, S. published the artcileSyntheses, characterisation and antimicrobial studies on transition metal complexes of methylphenyl-4-[phenyl(phenylhydrazono)methyl]-3-pyrazolone, Product Details of C17H14N2O2, the publication is International Journal of Pharmacy and Biological Sciences (2013), 3(2), 140-150, database is CAplus.

The synthesis of the phenylhydrazone derivative of 4-benzoyl-3-methyl-1-phenyl-5-pyrazolone which is a novel Schiff base was presented. The ligand was synthesized in three stages. 3-Methyl-1-phenyl-5-pyrazolone was synthesized as reported in the literature. This was benzoylated at the 4- position to get 4-benzoyl-3-methyl-1-phenyl-5-pyrazolone. This was condensed with phenylhydrazine to get the novel Schiff base. Though there are four potential ligating sites, only two of the ligating sites are involved in coordination. The ligand was characterized by elemental anal. and IR spectrum. Co(II), Ni(II) and Cu(II) complexes of the neutral bidentate chelating Schiff base ligand were synthesized using acetates, chlorides and nitrates of the metals. They were characterized by elemental anal., conductance and magnetic susceptibility measurements, UV, VIS and IR spectra. The ligand exhibited tautomerism and the complexes were found to have octahedral geometry. The in vitro antifungal activity against Aspergillus niger of the ligand and the complexes were investigated using nutrient agar medium.

International Journal of Pharmacy and Biological Sciences published new progress about 4551-69-3. 4551-69-3 belongs to pyrazoles-derivatives, auxiliary class Benzenes, name is 4-Benzoyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one, and the molecular formula is C10H18O, Product Details of C17H14N2O2.

Referemce:
https://en.wikipedia.org/wiki/Pyrazole,
Pyrazoles – an overview | ScienceDirect Topics

Hasany, Syed Moosa’s team published research in Radiochimica Acta in 1980-03-31 | CAS: 1691-93-6

Radiochimica Acta published new progress about copper preconcentration extraction; phenylmethyltrifluoroacetylpyrazolone extraction copper; pyrazolone extraction copper. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Related Products of pyrazoles-derivatives.

Hasany, Syed Moosa published the artcileExtractive separation and preconcentration of divalent copper from aqueous media, Related Products of pyrazoles-derivatives, the main research area is copper preconcentration extraction; phenylmethyltrifluoroacetylpyrazolone extraction copper; pyrazolone extraction copper.

The extraction off Cu(II) with 1-phenyl-3-methyl-4-trifluoro-acetyl-5-pyrazolone (FAP) in CHCl3 was studied. Complete extraction of the metal was achieved from pH 4-6 buffers. The extractability of other elements was examined under the optimal conditions selected from Cu extraction to check the selectivity. Extracted Cu can be stripped quant. into aqueous solutions A simple and rapid separation and preconcentration procedure Cu(II) is described for anal. applications.

Radiochimica Acta published new progress about copper preconcentration extraction; phenylmethyltrifluoroacetylpyrazolone extraction copper; pyrazolone extraction copper. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Related Products of pyrazoles-derivatives.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Uzoukwu, B. A.’s team published research in Journal of the National Science Council of Sri Lanka in 1993-06-30 | CAS: 1691-93-6

Journal of the National Science Council of Sri Lanka published new progress about iron determination extraction spectrophotometry; phenylmethyltrifluoroacetylpyrazolone reagent iron determination. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Application In Synthesis of 1691-93-6.

Uzoukwu, B. A. published the artcile1-Phenyl-3-methyl-4-trifluoroacetylpyrazolone-5 as an extraction and spectrophotometric reagent for iron(III), Application In Synthesis of 1691-93-6, the main research area is iron determination extraction spectrophotometry; phenylmethyltrifluoroacetylpyrazolone reagent iron determination.

A rapid, simple and sensitive extraction method for the determination of Fe (III) spectrophotometrically in buffer solutions using 1-phenyl-3-methyl-4-trifluoroacetylpyrazolone-5 (HPMTFP) is described. The properties of the color of the extracted complex species with respect to pH of aqueous media, presence of synergists, various solvents, time and diverse ions are reported. Up to 500 ppm of Ag+, K+, Na+, Ba2+, Be2+, Ca2+, Cd2+, Co2+, Mg2+, Mn2+, Ni2+, Pb2+, Sr2+ and Zn2+ do not interfere. The tolerance level of the following ions which interfere were determined (ppm): Cu2+ â‰?20, Ce4+ â‰?8, Cr6+ â‰?100, Mo6+ â‰?8, U6+ â‰?50, V4+ â‰?300, V5+ â‰?20 and W6+ â‰?8. Beer’s law is valid up to 10 ppm Fe (III) (ε, 7.32 ± 0.08 × 103 L mol-1 cm-1) within an optimum pH range of 1.5-4.5.

Journal of the National Science Council of Sri Lanka published new progress about iron determination extraction spectrophotometry; phenylmethyltrifluoroacetylpyrazolone reagent iron determination. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Application In Synthesis of 1691-93-6.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Umetani, Shigeo’s team published research in Talanta in 1987-09-30 | CAS: 1691-93-6

Talanta published new progress about lithium extraction perfluoroacylpyrazolone; sodium extraction benzoylpyrazolone TOPO; pyrazolone acyl TOPO extraction alkali. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Application of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one.

Umetani, Shigeo published the artcileSolvent extraction of lithium and sodium with 4-benzoyl or 4-perfluoroacyl-5-pyrazolone and TOPO, Application of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, the main research area is lithium extraction perfluoroacylpyrazolone; sodium extraction benzoylpyrazolone TOPO; pyrazolone acyl TOPO extraction alkali.

The synergic solvent extraction of Li+ and Na+ into C6H6 or cyclohexane with 4-benzoyl- or 4-perfluoroacyl-5-pyrazolone and trioctylphosphine oxide (TOPO) was studied. Quant. extraction (>99%) of Li+, which is one of the most poorly extractable metal ions, can be achieved with 1-tolyl-3-methyl-4-perfluoroacyl-5-pyrazolone and TOPO. The extraction of Na+ is somewhat poorer than that of Li+ under the same conditions. The perfluoroacyl group at the 4-position of the pyrazolone ring enhances the extraction and increases the maximum percentage extracted Cyclohexane is found to be suitable for a quant. extraction as an organic phase when the reagents are soluble in it. Improved separation of Li+ and Na+ can be attained when they are extracted into C6H6.

Talanta published new progress about lithium extraction perfluoroacylpyrazolone; sodium extraction benzoylpyrazolone TOPO; pyrazolone acyl TOPO extraction alkali. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Application of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Cheema, M. N.’s team published research in Journal of Radioanalytical and Nuclear Chemistry in 1994-02-28 | CAS: 1691-93-6

Journal of Radioanalytical and Nuclear Chemistry published new progress about metal extraction triphenylphosphine oxide HPMTFP; cobalt extraction triphenylphosphine oxide HPMTFP; mercury extraction triphenylphosphine oxide HPMTFP; manganese extraction triphenylphosphine oxide HPMTFP; selenium extraction triphenylphosphine oxide HPMTFP. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Recommanded Product: 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one.

Cheema, M. N. published the artcileSynergic effect of triphenylphosphine oxide (TPPO) on the extraction of Hg(II), Se(IV), Co(II) and Mn(II) with fluorinated pyrazolone (HPMTFP), Recommanded Product: 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, the main research area is metal extraction triphenylphosphine oxide HPMTFP; cobalt extraction triphenylphosphine oxide HPMTFP; mercury extraction triphenylphosphine oxide HPMTFP; manganese extraction triphenylphosphine oxide HPMTFP; selenium extraction triphenylphosphine oxide HPMTFP.

Extraction of Hg(II) Se(IV), Mn(II) and Co(II) has been carried out with 1-phenyl-3-methyl-4-trifluoroacetyl-2-pyrazolin-5-one (HPMTFP) and triphenylphosphine oxide (TPPO) in chloroform at pH 1-10. Quant. extraction of Hg(II), Mn(II) and Co(II) at pH 4 with equimolar 0.05 M (PMTFP + TPPO) in chloroform was observed Se(IV) remains unextracted at this pH range. The stoichiometric composition of the extracted complexes M(PMTFP)2·nH2O (M = Mn, Hg), M(PMTFP)2·2TPPO (M = Mn and Co) and Co(PMTFP)2·TPPO · H2O at less than 0.1M TPPO has been established. The formation constants Km,0 and Km,n and stability constants βm,n have been computed. The anal. method developed was applied to the IAEA standard reference material potato fluor V-4 for the determination of these elements using neutron activation technique.

Journal of Radioanalytical and Nuclear Chemistry published new progress about metal extraction triphenylphosphine oxide HPMTFP; cobalt extraction triphenylphosphine oxide HPMTFP; mercury extraction triphenylphosphine oxide HPMTFP; manganese extraction triphenylphosphine oxide HPMTFP; selenium extraction triphenylphosphine oxide HPMTFP. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Recommanded Product: 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Mao, Jiajun’s team published research in Journal of Radioanalytical and Nuclear Chemistry in 1991-02-28 | CAS: 1691-93-6

Journal of Radioanalytical and Nuclear Chemistry published new progress about uranium extraction phenylmethylacetylpyrazolone neutral extractant; dioctylsulfoxide pyrazolone extraction uranium; TOPO pyrazolone extraction uranium; TBP pyrazolone extraction uranium. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Computed Properties of 1691-93-6.

Mao, Jiajun published the artcileSynergistic extraction of uranium(VI) with 1-phenyl-3-methyl-4-acylpyrazolone-5 and neutral extractants, Computed Properties of 1691-93-6, the main research area is uranium extraction phenylmethylacetylpyrazolone neutral extractant; dioctylsulfoxide pyrazolone extraction uranium; TOPO pyrazolone extraction uranium; TBP pyrazolone extraction uranium.

The synergistic extraction of uranium(VI) from hydrochloric acid solution with five chelating agents: 1-phenyl-3-methyl-4-benzoylpyrazolone-5 (PMBP), 1-phenyl-3-methyl-4-acetylpyrazolone-5 (PMAP), 1-phenyl-3-methyl-4-(2′-chlorobenzoyl)pyrazolone-5 (PMCBP), 1-phenyl-3-methyl-4-(p-nitrobenzoyl)pyrazolone-5 (PMNBP) and 1-phenyl-3-methyl-4-trifluoroacetylpyrazolone-5 (PMTFP) plus the neutral extractants TBP, dioctyl sulfoxide (DOSO) and TOPO in chloroform were investigated. The extraction coefficients were greater for such mixtures than the individual component. The formulas of the extracted species were determined to be UO2A2B (where HA = chelating agent, B = neutral extractant). Extraction power of these chelating agents increases as follows: PMCBP > PMNBP > PMTFP = PMBP > PMAP. Synergistic extraction power of the neutral extractants increases as follows: TOPO > DOSO > TBP. The extraction equilibrium constants were calculated The mechanism of the synergistic extraction and possible structure of the extracted species are discussed.

Journal of Radioanalytical and Nuclear Chemistry published new progress about uranium extraction phenylmethylacetylpyrazolone neutral extractant; dioctylsulfoxide pyrazolone extraction uranium; TOPO pyrazolone extraction uranium; TBP pyrazolone extraction uranium. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Computed Properties of 1691-93-6.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Mao, Jiajun’s team published research in Journal of Radioanalytical and Nuclear Chemistry in 1986-07-31 | CAS: 1691-93-6

Journal of Radioanalytical and Nuclear Chemistry published new progress about uranium extraction synergism; phenylmethylbenzoglypyrazolone thenoyltrifluoroacetone extraction uranium. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Synthetic Route of 1691-93-6.

Mao, Jiajun published the artcileSome observations on the synergistic extraction of uranium(VI) with double chelating agent systems, Synthetic Route of 1691-93-6, the main research area is uranium extraction synergism; phenylmethylbenzoglypyrazolone thenoyltrifluoroacetone extraction uranium.

The synergistic extraction was studied of VI) from HNO3 media with double-chelating agent systems 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 (PMBP) plus thenoyltrifluoroacetone (TTA), and PMBP plus 1-phenyl-3-methyl-4-trifluoroacetylpyrazolone-5 (PMTFP). Some synergistic effects were observed The composition of synergistic complex species is probably UO2PMBP.TTA and UO2PMBP.PMTFP, resp. The equilibrium constants for these synergistic extractions are calculated by 3 methods and the mechanism and the regularity of extraction are discussed as well.

Journal of Radioanalytical and Nuclear Chemistry published new progress about uranium extraction synergism; phenylmethylbenzoglypyrazolone thenoyltrifluoroacetone extraction uranium. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Synthetic Route of 1691-93-6.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics