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Journal articles on the topic 'Samarium (III) acetate'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

OGAWA, Makoto, and Kazuo MANABE. "Thermal Decomposition of Samarium(III) Acetate Tetrahydrate." NIPPON KAGAKU KAISHI, no. 5 (1993): 600–604. http://dx.doi.org/10.1246/nikkashi.1993.600.

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2

Contreras Ramírez, Jesús Miguel, and Meribary Monsalve. "Synthesis and characterization of poly(1-methyltrimethylene carbonate) (PMTMC) by mean ring-opening polymerization." Revista Bases de la Ciencia. e-ISSN 2588-0764 5, no. 3 (2020): 21. http://dx.doi.org/10.33936/rev_bas_de_la_ciencia.v5i3.1863.

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 In this work, the activity of samarium (III) acetate (Sm(OAc)3) was evaluated as a possible initiator in the ring opening polymerization (ROP) of 1-methyltrimethylene carbonate (MTMC). The effects of temperature (Tr) and monomer-initiator molar ratio (M/I) on the molecular characteristics (conversion, dispersity, and molar mass) of the polymers obtained were analyzed. The reaction temperature was varied between 90 and 160 °C and the molar ratio M/I between 200 and 1000. The molar mass of the products was obtained by size exclusion chromatography (SEC), while its structure was analyzed u

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3

Ramírez, Jesús Miguel Contreras, Dimas Medina, Francisco López-Carrasquero, and Ricardo Rafael Contreras. "Ring-Opening Polymerization of L-lactide Initiated by Samarium(III) Acetate." Current Applied Polymer Science 3, no. 2 (2019): 112–19. http://dx.doi.org/10.2174/2452271602666181114094536.

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Background: The synthesis of the aliphatic polyesters obtained by the ring opening polymerization has been achieved using as initiators a large amount of organometallic compounds derivative from: Alkali metals, alkaline earth metals, transition metals and lanthanide metals. Of all these compounds, the lanthanide derivatives have acquired great importance in the synthesis of aliphatic polyesters, since these show a greater catalytic activity and also can provide polymer with characteristics that will be very useful in the design of biomaterials. Objective: It was proposed the synthesis of poly(

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4

Gorepatil, A., P. Gorepatil, M. Gaikwad, A. Ghumare, J. Mali, and V. Ingle. "Samarium(III) Triflate as an Efficient and Reusable Catalyst for the Facile Synthesis of 1,2,4,5-Tetrasubstituted Imidazoles." Journal of Scientific Research 15, no. 1 (2023): 131–39. http://dx.doi.org/10.3329/jsr.v15i1.60623.

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An efficient, simple, and green four-component reaction for synthesizing 1,2,4,5-tetrasubstituted imidazoles is developed. In present work exploring the use of Samarium triflate as a heterogeneous catalyst for the four-component reaction of aldehydes, aromatic amines, benzil, and ammonium acetate. The current approach offers many advantages, such as excellent yields, shortening of reaction time, reusability of catalyst, and use of mild reaction conditions.

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5

Contreras-Ramírez, J. M., and M. Monsalve. "Ring-Opening Polymerization of 2,2-Dimethyltrimethylene Carbonate Using Samarium Acetate(III) as an Initiator." Polymer Science, Series B 63, no. 2 (2021): 94–102. http://dx.doi.org/10.1134/s1560090421020044.

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6

Contreras Ramírez, Jesús Miguel, and Meribary Monsalve. "Use of samarium (III) acetate as initiator in ring-opening polymerization of trimethylene carbonate." Journal of Macromolecular Science, Part A 56, no. 12 (2019): 1114–20. http://dx.doi.org/10.1080/10601325.2019.1658527.

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7

Rozaila, Z. Siti, Nicolas Riesen, and Hans Riesen. "Photoluminescence Properties of X-Ray Generated Divalent Sm in Mechanochemically Prepared Nanocrystalline CaF₂:Sm3+." Inorganics 12, no. 12 (2024): 332. https://doi.org/10.3390/inorganics12120332.

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In this study, the mechanochemical preparation of nanocrystalline CaF2:Sm3+ by ball milling calcium acetate hydrate, samarium (III) acetate hydrate, and ammonium fluoride is reported. The photoluminescence of the as-prepared CaF2:Sm3+ shows predominantly Sm3+ 4G5/2 → 6HJ(J = 5/2, 7/2, 9/2, and 11/2) f-f luminescence, but intense electric dipole allowed 4f55d (T1u) → 4f6 7F1 (T1g) luminescence by Sm2+ was generated upon X-irradiation. In comparison with the co-precipitated CaF2:Sm3+, the conversion of Sm3+→ Sm2+ in the ball-milled sample upon X-irradiation is significantly lower. Importantly, t

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8

Babkin, A. V., E. A. Neskoromnaya, I. V. Burakova, A. E. Burakov, E. S. Mkrtchyan, and A. G. Tkachev. "Sorption-desorption properties of graphene oxide/polyhydroquinone nanocomposite in the extraction of rare earth elements Sm (III) ions from acetic-acetate buffer systems." Perspektivnye Materialy 1 (2022): 34–48. http://dx.doi.org/10.30791/1028-978x-2022-1-34-48.

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The paper describes the extraction of the rare earth element Sm3+ from aqueous buffer systems by a graphene-based nanostructured composite, modified using an organic polymer – polyhydroquinone. The authors determined the important parameters of the sorption-desorption of Sm3+ ions on a new nanocomposite “graphene oxide/polyhydroquinone” during a batch test, such as: initial concentration, the sorbent weight, pH of the solution, sorption rate constants, maximum sorption capacity of the nanocomposite, percentage sorption and desorption, entropy and enthalpy of the Sm3+ extraction process. The ki

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9

Takahashi, Saori, Mami Murase, Hiroaki Hagiwara, Naohide Matsumoto, and Masanobu Tsuchimoto. "Homo- and Heterochiral Aggregations of Samarium(III) Complexes with Acetate and Tripod Ligand Containing Three Imidazole Groups." Bulletin of the Chemical Society of Japan 84, no. 10 (2011): 1082–89. http://dx.doi.org/10.1246/bcsj.20110141.

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10

Kepert, Cameron J., Lu Wei-Min, Peter C. Junk, Brian W. Skelton, and Allan H. White. "Structural Systematics of Rare Earth Complexes. X (‘Maximally’) Hydrated Rare Earth Acetates." Australian Journal of Chemistry 52, no. 6 (1999): 437. http://dx.doi.org/10.1071/ch98041.

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Extension/augmentation of preexisting work carried out in respect of room-temperature single-crystal X-ray structural characterization of trivalent rare earth acetates, crystallized as ‘maximal’ hydrates, Ln(ac)3.x H2O, from aqueous solution under local ambience, suggests the following array to be prevalent: For Ln = La(-)Pr: triclinic P 1 sesquihydrate, i.e. x = 1½, a ≈ 13·4, b ≈ 10·1, c ≈ 8·6 Å, α ≈ 75·6, β ≈ 103·8, γ ≈ 92·8°, Z = 4 mononuclear f.u., conventional R on |F| for Ln = La, Ce, here, being 0·043, 0·058 for No 3199, 4442 independent ‘observed’ (I > 3σ(I)) diffractometer reflecti

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11

Contreras-Ramírez, Jesús Miguel, та Meribary Monsalve. "Synthesis and characterization of poly(trimetylene carbonate-co-ε-caprolactone) prepared by ring-opening polymerization using samarium(III) acetate as initiator". International Journal of Polymer Analysis and Characterization 27, № 1 (2021): 16–31. http://dx.doi.org/10.1080/1023666x.2021.1992580.

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12

Contreras, Ramírez Jesús Miguel, and Meribary Monsalve. "Synthesis and characterization of poly(1-methyltrimethylene carbonate) (PMTMC) by mean ring-opening polymerization." Bases de la Ciencia 5, no. 3 (2020): 21–36. https://doi.org/10.5281/zenodo.6950248.

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In this work, the activity of samarium (III) acetate (Sm(OAc)<sub>3</sub>) was evaluated as a possible initiator in the ring opening polymerization (ROP) of 1-methyltrimethylene carbonate (MTMC). The effects of temperature (Tr) and monomer-initiator molar ratio (M/I) on the molecular characteristics (conversion, dispersity, and molar mass) of the polymers obtained were analyzed. The reaction temperature was varied between 90 and 160 °C and the molar ratio M/I between 200 and 1000. The molar mass of the products was obtained by size exclusion chromatography (SEC), while its structure was an

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13

Monsalve, Meribary, Jesus Contreras, Eduardo Cardozo, and Ricardo Contreras. "Evaluación de la actividad de complejos de samario(III) con ácido L-aspártico, ácido L-glutámico, glicina y o-fenantrolina, como iniciadores en la polimerizacion de carbonatos cíclicos." Avances en Química 10, no. 3 (2016): 129–37. http://dx.doi.org/10.53766/avanquim/2015.10.03.02.

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Se estudió el comportamiento catalítico del acetato de samario (III) (SmOAc) y varios complejos de samario (III) tipoSm(o-phen)(Ln)3 (o-phen = orto-fenantrolina, L1 = ácido L-aspártico; L2= ácido L-glutámico y L3 = glicina), comoiniciadores en la polimerización de los carbonatos cíclicos trimetilén carbonato (TMC), 1-metil-trimetilén carbonato(MTMC) y el 2,2-dimetil-1,3-trimetilén carbonato (DMTC). Los resultados obtenidos indican que la actividad de losiniciadores depende fuertemente del aminoácido enlazado al átomo de samario (III). Los productos obtenidos fueroncaracterizados mediante espec

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14

Zhu, Li-Cai. "Poly[μ3-acetato-di-μ3-isonicotinato-μ2-isonicotinato-samarium(III)silver(I)]". Acta Crystallographica Section E Structure Reports Online 65, № 12 (2009): m1616. http://dx.doi.org/10.1107/s1600536809048430.

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15

Xia, Hai-Tao, Yu-Fen Liu, Da-Qi Wang та Shu-Ping Yang. "Tetrakis(μ-naphthalene-1-acetato)bis(naphthalene-1-acetato)bis(1,10-phenanthroline)samarium(III)terbium(III) N,N-dimethylformamide disolvate". Acta Crystallographica Section E Structure Reports Online 63, № 11 (2007): m2797—m2798. http://dx.doi.org/10.1107/s1600536807051720.

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Molecules of the title complex, [SmTb(C12H9O2)6(C12H8N2)2]·2C3H7NO, are centrosymmetric with equal disorder of the Sm and Tb atoms. Each SmIII and TbIII ion is nine-coordinate. The Sm and Tb atoms have a distorted monocapped square-antiprismatic coordination geometry. The molecules are linked into a chain by C—H...O and C—H...π hydrogen bonds parallel to the a axis, and into a sheet by C—H...π hydrogen bonds parallel to the (100) plane. The combination of the chains and sheets generates a three-dimensional framework structure.

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16

Zhang, Shi-Guo, та Jing-Min Shi. "Di-μ-acetato-bis[triaquabis(thiocyanato-κN)(4-methylpyridineN-oxide-κO)samarium(III)]". Acta Crystallographica Section E Structure Reports Online 63, № 6 (2007): m1775—m1776. http://dx.doi.org/10.1107/s1600536807025561.

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17

Xia, Hai-Tao, Yu-Fen Liu, Da-Qi Wang та Shu-Ping Yang. "Tetrakis(μ-naphthalene-1-acetato)bis[(naphthalene-1-acetato)(1,10-phenanthroline)samarium(III)] N,N-dimethylformamide disolvate". Acta Crystallographica Section E Structure Reports Online 63, № 11 (2007): m2708—m2709. http://dx.doi.org/10.1107/s1600536807049203.

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The title complex, [Sm2(C12H9O2)6(C12H8N2)2]·2C3H7NO, is centrosymmetric. The Sm atom is nine-coordinate in a distorted monocapped square-antiprismatic coordination geometry. Molecules are linked into a chain by C—H...O hydrogen bonds parallel to the a axis direction and into a sheet by C—H...π hydrogen bonds parallel to the (100) plane. The combination of these chains and sheets generates a three-dimensional framework structure.

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18

Contreras Ramírez, Jesús Miguel, Dimas Alejandro Médina та Meribary Margarita Monsalve. "USO DE DERIVADOS DE SAMARIO COMO INICIADORES DE LA COPOLIMERIZACIÓN DE Ε-CAPROLACTONA CON L-LACTIDA Y CON CARBONATOS CÍCLICOS." Revista Bases de la Ciencia 8, № 1 (2023): 21–37. http://dx.doi.org/10.33936/revbasdelaciencia.v7i3.5312.

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En este trabajo, se estudió la actividad catalítica del acetato de samario (III) (SmAc3) como iniciador en la copolimerización de ε-caprolactona (CL) con la L-lactida (L-LA) y del o-fenantrolina-tris(glicina)-κ3COO-samario (III) (A3) como iniciador en la copolimerización de CL con los carbonatos cíclicos, trimetilén carbonato (TMC) y el 2,2-dimetil-1,3-trimetilén carbonato (DMTC). Los productos obtenidos fueron caracterizados mediante espectroscopia de resonancia magnética nuclear, cromatografía de exclusión por tamaño y análisis termogravimétrico. Los resultados indicaron que el SmAc3 indujo

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19

Zhu, Li-Cai, та Si-Ming Zhu. "Poly[[(μ2-acetato-κ3O,O′:O′)aquabis(μ3-isonicotinato-κ3O:O′:N)samarium(III)silver(I)] perchlorate]". Acta Crystallographica Section E Structure Reports Online 67, № 8 (2011): m1054—m1055. http://dx.doi.org/10.1107/s1600536811026134.

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20

Xia, Hai-Tao, Yu-Fen Liu, Liang Chen та Da-Qi Wang. "Tetrakis(μ-naphthalene-1-acetato-1:2κ2O:O′)bis(naphthalene-1-acetato)-1κ2O,O′;2κ2O,O′-bis(1,10-phenanthroline)-1κ2N,N′;2κ2N,N′-europium(III)samarium(III)". Acta Crystallographica Section E Structure Reports Online 64, № 11 (2008): m1419—m1420. http://dx.doi.org/10.1107/s1600536808032960.

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21

Hayakawa, Ryuuichirou, and Makoto Shimizu. "Highly Diastereoselective Addition Reaction of Ketene Silyl Acetals to Imines Catalyzed by Samarium(III) Iodide." Chemistry Letters 28, no. 7 (1999): 591–92. http://dx.doi.org/10.1246/cl.1999.591.

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22

Hayakawa, Ryuuichirou, and Makoto Shimizu. "ChemInform Abstract: Highly Diastereoselective Addition Reaction of Ketene Silyl Acetals to Imines Catalyzed by Samarium(III) Iodide." ChemInform 30, no. 47 (2010): no. http://dx.doi.org/10.1002/chin.199947119.

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23

Liu, Jia-Lu, Hua-Qiong Li та Guo-Liang Zhao. "Tetrakis[μ-2-(3,4-dimethoxyphenyl)acetato]-κ4O:O′;κ3O,O′:O;κ3O:O,O′-bis{[2-(3,4-dimethoxyphenyl)acetato-κ2O,O′](1,10-phenanthroline-κ2N,N′)samarium(III)}". Acta Crystallographica Section E Structure Reports Online 66, № 11 (2010): m1377—m1378. http://dx.doi.org/10.1107/s1600536810037153.

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24

Liu, Jia-Lu, Jian-Feng Liu та Guo-Liang Zhao. "Bis[μ-2-(4-hydroxyphenyl)acetato]-κ3O,O′:O;κ3O:O,O′-bis{aqua(4,4′-bipyridine-κN)[2-(4-hydroxyphenyl)acetato-κ2O,O′]samarium(III)} monohydrate". Acta Crystallographica Section E Structure Reports Online 66, № 12 (2010): m1511—m1512. http://dx.doi.org/10.1107/s1600536810044454.

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25

"[Sm(CH3COO)3(H2O)2] · CH3COOH, ein Essigsäureaddukt des Samarium(III)-acetatdihydrates [Sm(CH3COO)3(H2O)2] · CH3COOH, an Acetic Acid Adduct of Samarium(III) Acetate Dihydrate." Zeitschrift für Naturforschung B 47, no. 2 (1992): 179–82. http://dx.doi.org/10.1515/znb-1992-0205.

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The crystal structure of the acetic acid adduct of the so far unknown samarium(III) acetate dihydrate was determined from single-crystal four-circle diffractometer data. It has the composition [Sm (CH3COO)3(H2O)2] CH3COOH containing {[Sm(CH3COO)3(H2O)2]}2 dimers and crystallizes in the trigonal system, R3̄̄̄̄, a = 2695.1(3), c = 1030.8(4) pm, Vm = 216.97(5) cm3/mol, R = 0.041, Rw = 0.030.

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