Category: 5411-14-3

Zhao, Zhiming published the artcileDesign and synthesis of tweezers-like artificial receptor of aromatic heterocycles based on multiple hydrogen-bonding sites, SDS of cas: 5411-14-3, the publication is Sichuan Daxue Xuebao, Ziran Kexueban (2001), 38(3), 402-406, database is CAplus.

Eight mol. tweezers 2,6-dibenzamidopyridine, 2,6-di(4-ethoxybenzamido)pyridine, 2,2′-di(pyridine-2-aminocarbonyl)diphenyl, 1,3-di(phenoxyacetamido)pyridine, 1,2-di(phenoxyacetamido)pyridine, 1,3-di(6-benzamidopyridine-2-aminocarbonyl)benzene, 1,3-di[6-(4-nitrobenzamido)pyridine-2-aminocarbonyl]benzeene, and 1,3-di(6-benzamidopyridine-2-aminocarbonyl)pyridine were designed and synthesized by acylation. The structures of these receptors were identified by MS, ¹HNMR, and IR spectra.

Sichuan Daxue Xuebao, Ziran Kexueban published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C26H26N4O7, SDS of cas: 5411-14-3.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Smith, Gerry A. published the artcileDesign of an indicator of intracellular free sodium concentration using fluorine-19 NMR, Category: catalysis-chemistry, the publication is Biochimica et Biophysica Acta, Molecular Cell Research (1986), 889(1), 72-83, database is CAplus and MEDLINE.

The development is described of a Na chelator with appropriate properties for an indicator of intracellular free Na concentration ([Na]_i). The new indicator, FCryp-1 (I), is a tribenzo derivative of the parent (2:2:1) cryptand structure, incorporating the same F-substituted dibenzo ¹⁹F-NMR reporter group as the free [Ca²⁺] indicator, 5FBAPTA. I has appropriate affinity for Na⁺ (K_Na = 10^1.3 M^-1) and selectivity over other intracellular cations (K_K; K_Ca; K_Mg < 10^-1 M^-1) for a [Na]_i indicator. There is a ¹⁹F-NMR chem. shift of 2.00 ppm between free I and the Na-I complex, which provides a direct read out of free [Na]. I carries 4 carboxylate groups to confer aqueous solubility, which can be esterified with acetoxymethyl groups to render the indicator membrane permeant. Experiments on pig lymphocytes loaded with I gave an indicated [Na]_i of 13.8 mM. The I structure can also be readily modified to provide fluorescent [Na]_i indicators.

Biochimica et Biophysica Acta, Molecular Cell Research published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C7H8O3, Category: catalysis-chemistry.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Shamsipur, Mojtaba published the artcileHighly selective and sensitive membrane sensors for copper(II) ion based on a new benzo-substituted macrocyclic diamide 5,6,7,8,9,10-hexahydro-2H-1,13,4,7,10-benzodioxatriazacyclopentadecine-3,11(4H,12H)-dione, Application of 2,2-(1,2-Phenylenebis(oxy))diacetic acid, the publication is Electroanalysis (2007), 19(5), 587-596, database is CAplus.

Novel PVC membrane (PME) and coated graphite (CGE) Cu²⁺-selective electrodes based on 5,6,7,8,9,10-hexahydro-2H-1,13,4,7,10-benzodioxatriazacyclopentadecine-3, 11(4H,12H)-dione were prepared The electrodes reveal a Nernstian behavior over wide Cu²⁺ ion concentration ranges (1.0 ¡Á 10^-7 – 1.0 ¡Á 10^-1 M for PME and 1.0 ¡Á 10^-8 – 1.0 ¡Á 10^-1 M for CGE) with very low limits of detection (7.8 ¡Á 10^-8 M for PME and 9.1 ¡Á 10^-9 M for CGE). The potentiometric responses are independent of the pH of the test solutions in the pH range 2.7-6.2. The proposed electrodes possess very good selectivities for Cu²⁺ over a wide variety of the cations including alkali, alk. earth, transitions and heavy metal ions. The practical utility of the proposed electrodes were demonstrated by their use in the study of interactions between Cu ions and human growth hormone (hGH) in biol. systems, potentiometric titration of Cu with EDTA and determination of Cu content of a sheep blood serum sample and some other real samples.

Electroanalysis published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C8H5F3N4, Application of 2,2-(1,2-Phenylenebis(oxy))diacetic acid.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Hu, Yimu published the artcileSize-Selective Separation of Rare Earth Elements Using Functionalized Mesoporous Silica Materials, COA of Formula: C10H10O6, the publication is ACS Applied Materials & Interfaces (2019), 11(26), 23681-23691, database is CAplus and MEDLINE.

The separation and preconcentration of rare earth elements (REEs) from mineral concentrates in an economically and environmentally sustainable manner are difficult tasks due to their similar physicochem. properties. Herein, a series of tetradentate phenylenedioxy diamide (PDDA) ligands were synthesized and grafted on large-pore three-dimensional KIT-6 mesoporous silica. In solid-phase extraction, the hybrid sorbents enable a size-selective separation of REEs on the basis of the bite angles of the ligands. In particular, smaller REE³⁺ ions are preferentially extracted by KIT-6-1,2-PDDA, whereas light REEs with larger ionic radius are favored by KIT-6-1,3-PDDA. The exposure of bauxite residue digestion solution containing REEs as well as a number of types of competitive ions (including Th and U) to the sorbents results in selective recovery of target REEs. The possibility of regenerating the mesoporous sorbents through a simple loading-stripping-regeneration process is demonstrated over up to five cycles with no significant loss in REE extraction capacity, suggesting adequate chem. and structural stability of the new sorbent materials.

ACS Applied Materials & Interfaces published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C10H10O6, COA of Formula: C10H10O6.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Seyhan, Serap published the artcileUse of o-phenylenedioxydiacetic acid impregnated in Amberlite XAD resin for separation and preconcentration of uranium(VI) and thorium(IV), Computed Properties of 5411-14-3, the publication is Journal of Hazardous Materials (2008), 152(1), 79-84, database is CAplus and MEDLINE.

The impregnation of o-phenylene dioxydiacetic acid (OPDA) into a polymeric matrix, Amberlite XAD-2000, is reported and was characterized by IR spectroscopy. The amount of attached OPDA to the polymer resin was found to be 1.77 mmol g^-1 resin. The resin was used for the sorption of U(VI) and Th(IV) from aqueous solution This sorbent was capable of preconcg. U(VI) and Th(IV) from weakly acidic or neutral solution The retained metals were eluted sequentially using 0.25 mol L^-1 HCl for U(VI) and 1 mol L^-1 HCl for Th(IV) and determined spectrophotometrically using arsenazo-(III). The capacity of the resin for U(VI) and Th(IV) was found to be 0.121 and 0.113 mmol g^-1, resp. The impregnated resin exhibits a high chem. stability, reusability, and fast equilibration. The method was used for the determination of U(VI) and Th(IV) in synthetic samples and rock samples.

Journal of Hazardous Materials published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C10H12O5, Computed Properties of 5411-14-3.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

McDonagh, Anthony W. published the artcileSynthesis and Evaluation of Bifunctional [2.2.2]-Cryptands for Nuclear Medicine Applications, Related Products of catalysis-chemistry, the publication is Inorganic Chemistry (2021), 60(13), 10030-10037, database is CAplus and MEDLINE.

For the first time, synthesis of bifunctional [2.2.2]-cryptands (CRYPT) and demonstration of radiolabeling with lead(II) (Pb²⁺) isotopes are disclosed herein. The synthesis is convenient and high-yielding and gives access to three distinct bifunctional handles (azide (-N₃), isothiocyanate (-NCS), and tetrazine (-Tz)) that can enable the construction of radioimmunoconjugates for targeted and pretargeted therapy. Proof-of-principle CRYPT radiolabeling was successful with lead-203 ([²⁰³Pb]Pb²⁺) and demonstrated complexation efficiency superior to that of DOTA (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid) and efficiency comparable to that of the current industry standard TCMC (1,4,7,10-tetraaza-1,4,7,10-tetra-(2-carbamoylmethyl)-cyclododecane). In vitro human serum stability assays demonstrated excellent [²⁰³Pb]Pb-CRYPT stability over 72 h (91.7 ¡À 0.56%; n = 3). [²⁰³Pb]Pb-CRYPT-radioimmunoconjugates were synthesized from the corresponding CRYPT-immunoconjugate or by conjugating [²⁰³Pb]Pb-Tz-CRYPT to transcyclooctene modified trastuzumab (TCO-trastuzumab) via the inverse electron-demand Diels-Alder (IEEDA) reaction. This investigation reveals the potential for CRYPT ligands to become new industry standards for therapeutic and diagnostic radiometals in radiopharmaceutical elaboration.

Inorganic Chemistry published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C10H10O6, Related Products of catalysis-chemistry.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Rajesh, Mathur published the artcileMonomeric Nickel(II) Complexes with Tetradentate Bis(benzimidazole) Ligands; Synthesis, Spectral and ¹H and ¹³C NMR Studies, SDS of cas: 5411-14-3, the publication is Journal of Chemical Research, Synopses (1998), 506-507, 2062-2078, database is CAplus.

The tetradentate ligand 1,2-bis(2-benzimidazolyloxamethyl)benzene (BBB) was used to synthesize complexes [Ni(BBB)X₂] where X = Cl, NCS, NO₃ or OAc; ¹H and ¹³C NMR was used to assign the aliphatic and ring protons/carbons.

Journal of Chemical Research, Synopses published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C10H10O6, SDS of cas: 5411-14-3.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Rajesh published the artcileMonomeric Cu(II) complexes with tetradentate bis(benzimidazole) ligand; synthesis, EPR, spectral and electrochemical studies, Category: catalysis-chemistry, the publication is Polyhedron (1998), 17(16), 2607-2615, database is CAplus.

1:1 Copper(II) complexes Cu(L)X₂¡¤nH₂O (X = Cl^–, NO₃^–, OAc^– and HCOO^–) with the tetradentate ligand 1,2-bis(2-benzimidazolylmethoxy)benzene (L) were prepared X-band EPR spectra of the above complexes examined as a frozen DMSO/DMF solution indicate g_¡¬ > g_¡Í > 2.0 and show four or less than four g_¡¬ lines and a broadening of the g_¡Í component suggesting a lowered site symmetry for the copper(II) ion. The g_¡Í component of all the complexes show nitrogen superhyperfine structure. A clear five line pattern is found in the g_¡Í region with B_N ? 15G¡À1 for Cu(L)X₂¡¤nH₂O complexes indicating that two nitrogen from the benzimidazole ring are coordinated to the central Cu^II in the equatorial basal plane while the other two positions in the sphere are occupied by the anionic ligand (X). With ClO₄^– as the anion, the 1:2 complex [Cu(L)₂](ClO₄)₂ results. The X-band EPR spectra of [Cu(L)₂](ClO₄)₂ shows a clear nine line SHF structure on the g_¡Í component indicating the presence of four nitrogen atoms coordinated to the central Cu^II atom; this confirms the retention of two ligands around Cu^II in solution MO coefficients ¦Â₁ and ¦Â₁‘ were evaluated from the expression used by Manoharan and Rogers. The trends of ¦Â₁ and ¦Â₁‘ indicate increasing electron delocalization on nitrogen atom as the authors change the exogenous ligand from formate/acetate-chloride to nitrate. The covalency parameter, ¦Á², also was evaluated and reflects the decreasing trend of covalency in the order nitrate > chloride ¡Ý acetate > formate for complexes containing these ligands. This trend of order is in conformity with that obtained from MO coefficients All the complexes exhibit a visible band with ¦Ë_max in the 625-690 nm region in DMF, suggesting a distorted geometry for copper(II) ion in the present series of complexes. Cyclic voltammetric studies of copper(II) complexes reveal that the E_1/2 for the Cu^II/Cu^I couple shifts to most neg. value with HCOO^– and OAc^– anionic ligands implying that these anion stabilize the Cu^II state whereas E_1/2 data for NO₃^– reveals that this anion destabilizes the Cu^II state. A plot of visible band energy vs. E_1/2 shows that as the energy of the d_x2-y2 orbital decreases, an anodic shift in Cu^II ¡ú Cu^I reduction potential is observed

Polyhedron published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C10H10O6, Category: catalysis-chemistry.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Su, Mingyue published the artcileSynthesis and fluorescence spectrum of Eu complex and Eu-L (L=La, Y, Yb and Nd) complex with 1,2-phenylenedioxydiacetic acid and dibenzoylmethane, Quality Control of 5411-14-3, the publication is Fenzi Kexue Xuebao (2012), 28(3), 227-231, database is CAplus.

A new ternary rare earth complex Eu-BDDA-DBM and the one with 1/2 Eu³⁺ ions and 1/2 L ions (L=La³⁺, Y³⁺, Yb³⁺, and Nd³⁺) were synthesized in the alc. solution using the reaction of rare earth chloride 1,2-phenylenedioxydiacetic acid and dibenzoylmethane as raw materials. The complexes were characterized by IR spectra, UV spectra, TG anal., fluorescence excitation, and emission spectra. The IR spectra indicate that the white complex has a similar coordination structure with the doped complex. The fluorescence spectra show that the fluorescence intensity of complexes of europium is increased after doped by La³⁺ and Nd³⁺, and among them the La³⁺ containing complex has the strongest fluorescence intensity.

Fenzi Kexue Xuebao published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C15H24O2, Quality Control of 5411-14-3.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Tai, Xi-Shi published the artcileSynthesis, spectral characterization, and electrochemical property of Cu(II) complex with 1,2-phenylenedioxydiacetic acid and 1,10-phenanthroline, Category: catalysis-chemistry, the publication is Research on Chemical Intermediates (2015), 41(11), 8279-8287, database is CAplus.

A novel dinuclear Cu(II) complex, [Cu₂L(phen)₄]¡¤L (1) [H₂L (2) = 1,2-phenylenedioxydiacetic acid], was obtained by the self-assembly of 1,2-phenylenedioxydiacetic acid, phen and Cu(CH₃COO)₂¡¤H₂O in CH₃OH/H₂O (v:v = 1:1) solution containing MgCl₂. The Cu(II) complex was characterized by elemental anal., IR, UV, and x-ray single-crystal diffraction anal. The crystal belongs to triclinic, space group P – 1 with a 13.090(3), b 14.211(3), c 19.255(4) ?, ¦Á 92.91(3), ¦Â 91.29(3), ¦Ã 110.01(3)¡ã, V = 3358.2(13) ?³, Z = 2, d_c = 1.282 g cm^-3, ¦Ì = 0.698 mm^-1, F (000) = 1332, and final R = 0.0744, ¦ØR = 0.2109. In the crystal structure, each Cu(II) atom is five-coordinated in a distorted square pyramid coordination environment. The mols. form one-dimensional chain structure by ¦Ð-¦Ð stack. The electrochem. properties of the Cu(II) complex were studied.

Research on Chemical Intermediates published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C14H26O2, Category: catalysis-chemistry.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia