Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Mauricio Yáñez-S"'
1
Catalytic activity of a new Ru(ii) complex for the hydrogen transfer reaction of acetophenone and N-benzylideneaniline: synthesis, characterization and relativistic DFT approaches
Autor: Pedro Aguirre, C. Pérez-Zúñiga, Mauricio Yáñez-S, Plinio Cantero-López, César Zúñiga, Ramiro Arratia-Pérez, C. Negrete-Vergara, Sergio A. Moya
Publikováno v: New Journal of Chemistry. 43:10545-10553
The synthesis and characterization of a new ruthenium(II) complex containing a hemilabile P^N-ligand are reported. The catalytic activity of this complex was evaluated in the hydrogen transfer reaction of acetophenone and N-benzylideneaniline achievi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6138118daffdb52a2cac5824498ec935
https://doi.org/10.1039/c8nj06250a
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3
Effect of supercritical incorporation of cinnamaldehyde on physical-chemical properties, disintegration and toxicity studies of PLA/lignin nanocomposites
Autor: Francisco J. Rodríguez, Adrián Rojas, María José Galotto, Alejandra Torres, Gonzalo Bustos, Luis Constandil, Mauricio Yáñez-S, Giannina Truffa, Nicolás Buendia, Julio Romero, Daniela Cerro, Carolina Villegas, María Paz Godoy
Publikováno v: International journal of biological macromolecules. 167
Poly (lactic acid)/lignin nanocomposites (PLA/Lig-Np) containing cinnamaldehyde (Ci) were obtained by a combination of melt extrusion and supercritical impregnation process. In this work, Ci impregnation tests were carried out in a high-pressure cell
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19b182fc297c95a230d30f6ffd24685f
https://pubmed.ncbi.nlm.nih.gov/33246007
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4
Carboxymethylcellulose from bleached organosolv fibers of Eucalyptus nitens: synthesis and physicochemical characterization
Autor: Betty Matsuhiro, Raúl González, Marcelo J. Kogan, Sergio A. Moya, Mauricio Yáñez-S, Rodrigo Torres, Julio Romero, Omar Uyarte, Santiago Maldonado, Daniel Serafine, Jorge Luengo
Publikováno v: Cellulose. 25:2901-2914
The objective of the present study was to synthesize sodium carboxymethylcellulose from Eucalyptus nitens cellulose. The cellulose extraction was carried out in three stages. In the first stage, E. nitens wood was fractionated using an organosolv pre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d6b6d8086cf65197457cbc7915e5034
https://doi.org/10.1007/s10570-018-1766-7
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5
Synthesis, characterization and relativistic DFT studies of fac -Re(CO) 3 (isonicotinic acid) 2 Cl complex
Autor: Diego P. Oyarzún, Mauricio Fuentealba, Mauricio Yáñez-S, Alejandra Tello, Plinio Cantero-López, Ramiro Arratia-Pérez, César Zúñiga, Rudy Martin-Transaco
Publikováno v: Chemical Physics Letters. 688:66-73
In this work, new fac-Re(CO)3(PyCOOH)2Cl from isonicotinic acid ligand has been prepared. The complex was characterized by structural (single-crystal X-ray diffraction), elemental analysis and spectroscopic (FTIR, NMR, UV–vis spectroscopy) methods.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ae37f6876db77d163b3d3fb95e7f1d8
https://doi.org/10.1016/j.cplett.2017.09.065
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6
Theoretical assessment of TD-DFT applied to a ferrocene-based complex
Autor: Gloria I. Cárdenas-Jirón, Sergio A. Moya, Mauricio Yáñez-S, César Zúñiga
Publikováno v: Computational and Theoretical Chemistry. 1118:65-74
We present a theoretical study of the electronic absorption spectrum of the 2-ferrocenyl-1,8-naphthyridine (FcNP) complex using the time-dependent density functional theory (TD-DFT) approach. The calculations were carried out at the DFT/LANL2DZ(Fe)/6
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c7ae0bddbf93d86a08a8c17fc373459
https://doi.org/10.1016/j.comptc.2017.08.032
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7
Physicochemical characterization of ethanol organosolv lignin (EOL) from Eucalyptus globulus: Effect of extraction conditions on the molecular structure
Autor: Betty Matsuhiro, Mauricio Yáñez-S, Poulomi Sannigrahi, Arthur J. Ragauskas, Christopher A. Hubbell, Carolina Nuñez, Shaobo Pan
Publikováno v: Polymer Degradation and Stability. 110:184-194
The aim of the present study was to investigate the effect of extraction conditions, mainly severity factor (H-factor = 3980–14,500) on the molecular structure of ethanol organosolv lignins extracted from Eucalyptus globulus . Isolated lignins were
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00edd0c563f33d4735307864db3590b3
https://doi.org/10.1016/j.polymdegradstab.2014.08.026
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8
MECHANISTIC STUDY OF A RUTHENIUM HYDRIDE COMPLEX OF TYPE [RuH(CO)(N-N)(PR3)2]+ AS CATALYST PRECURSOR FOR THE HYDROFORMYLATION REACTION OF 1-HEXENE
Autor: César Zúñiga, Gloria I. Cárdenas-Jirón, R. López, Mauricio Yáñez-S, Sergio A. Moya, Catalina Pérez
Publikováno v: Journal of the Chilean Chemical Society v.61 n.4 2016
SciELO Chile
CONICYT Chile
instacron:CONICYT
Journal of the Chilean Chemical Society, Volume: 61, Issue: 4, Pages: 3281-3286, Published: DEC 2016
Indexación: Web of Science; Scopus; Scielo. The catalytic activity of systems of type [RuH(CO)(N-N)(PR3)(2)](+) was evaluated in the hydroformylation reaction of 1-hexene. The observed activity is explained through a reaction mechanism on the basis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7515aa02e01cb7d1f1da501035d65ff5
http://repositorio.unab.cl/xmlui/handle/ria/3409
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9
Fuel ethanol production fromEucalyptus globuluswood by autocatalized organosolv pretreatment ethanol-water and SSF
Autor: Jean Franco Castro, Jaime Baeza, Jonathan Rojas, Arthur J. Ragauskas, Mauricio Yáñez-S, Juanita Freer
Publikováno v: Journal of Chemical Technology & Biotechnology. 88:39-48
BACKGROUND Lignocellulosic biomass (LCB) offers the only sustainable alternative to the use of fossil fuels as oil by employing its main components (cellulose, hemicellulose and lignin) as a carbon source for the production of biofuels, energy and va
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::786cbaacece7a2a1137a05ffcea9efef
https://doi.org/10.1002/jctb.3895
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10
Optimal pretreatment of eucalyptus globulus by hydrothermolysis and alkaline extraction for microbial production of ethanol and xylitol
Autor: Jaime Baeza, Jean Franco Castro, Carolina Parra, Mauricio Yáñez-S, Regis Teixeira Mendonça, Jonathan Rojas, Juanita Freer
Publikováno v: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Fractionation of Eucalyptus globulus wood chips is mandatory for developing a biorefinery process. In order to achieve this, products released from hydrothermolysis pretreatment were studied within the severity (log R0) range 3.3–4.5. The highest s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6b18806af69bb8b223f926c9a233ed7
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