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Listar por palabra clave "Aldehydes"

Mostrando ítems 1-11 de 11

(3R,4S)-3,4-Isopropylidenedioxy-5-phenylsulfonylmethyl-3, 4-dihydro-2Hpyrrole 1-oxide

Flores, M.F.; García García, Pilar; Garrido, N.M.; Sanz, F.; Diez, D. (International Union of Crystallography, 2011)

[EN] The title compound, C14H17NO5S, was prepared by oxidation of (2R,3S,4R)-2-phenylsulfonylmethyl-1-hydroxy-3,4-isopropylidenedioxypyrrolidine. Its crystal structure confirms unequivocally its configuration. Two ...
A comprehensive mechanistic study on the visible light photocatalytic reductive dehalogenation of haloaromatics mediated by Ru(bpy)3Cl2

Marin Melchor, Mireia; Miranda Alonso, Miguel Ángel; Marín García, Mª Luisa (The Royal Society of Chemistry, 2017-10-21)

[EN] Visible light photoredox catalysis is emerging as a versatile technique for a great variety of chemical transformations. Specifically,Ru(bpy)(3)(2+) has been widely used as a transition metal-based photocatalyst; ...
Carbon-Carbon Bond Formation and Hydrogen Production in the Ketonization of Aldehydes

Orozco Arboleda, Lina Marcela; Renz, Michael; Corma Canós, Avelino (Wiley, 2016-09-08)

Aldehydes possess relatively high chemical energy, which is the driving force for disproportionation reactions such as Cannizzaro and Tishchenko reactions. Generally, this energy is wasted if aldehydes are transformed into ...
Chemoenzymatic synthesis of amino-esters as precursors of ammonium salt-based surfactants from 5-hydroxymethylfurfural (HMF)

Moriana-Herraiz, Carlos; Arias, Karen S.; Climent Olmedo, María José; Iborra Chornet, Sara; Corma Canós, Avelino (The Royal Society of Chemistry, 2024-08-12)

[EN] N-Substituted 5-(hydroxymethyl)-2-furfuryl amines have been obtained through the reductive amination of 5-hydroxymethylfurfural (HMF) with a variety of primary amines using a non-noble metal catalyst based on monodisperse ...
Determination of oxygenated compounds in secondary organic aerosol from isoprene and toluene smog chamber experiments

Borrás García, Esther Mª; Tortajada-Genaro, Luis Antonio (Taylor & Francis, 2012)

[EN] The determination of multifunctional oxygenated compounds in secondary organic aerosols (SOA) usually requires a derivatisation protocol prior to gas chromatography-mass spectrometry analysis (GC-MS). Our proposed ...
Disulfonimide-catalyzed asymmetric vinylogous and bisvinylogous mukaiyama aldol reactions

Ratjen, Lars; García García, Pilar; Lay, Frank; Beck, Michael Edmund; List, Benjamin (Wiley-VCH Verlag, 2011)
Formation of Flavanol-aldehyde Adducts in Barrel-aged White Wine - Possible Contribution of These Products to Colour

Vivas, N.; Nonier, M. F. Bourden; Absalon, C.; Lizama Abad, Victoria; Jamet, F.; de Gaulejac, N. Vivas; Vitry, C.; Fouquet, E. (South African Society for Enology and Viticulture, 2008)

[EN] This paper describes the formation and diversity of new compounds resulting from the polymerisation of furanic and phenolic flavanol-aldehydes with HPLC¿DAD and LC¿ES/MS analysis. Polymerisation, resulting from ...
In situ preparation of a multifunctional chiral hybrid organic-inorganic catalyst for asymmetric multicomponent reactions

García García, Pilar; Zagdoun, Alexandre; Coperet, Christophe; Lesage, Anne; Díaz Morales, Urbano Manuel; Corma Canós, Avelino (Royal Society of Chemistry, 2013)

[EN] A chiral mesoporous organosilica material incorporating a urea based-cinchona derivative and propylamine groups was prepared by a co-condensation method. The multisite solid catalyst efficiently promoted the asymmetric ...
Recubrimiento antifúngico para papel a partir de gliadinas modificadas químicamente

Pablo Gil, Lucía (Universitat Politècnica de València, 2022-09-06)

[ES] El gluten es una proteína vegetal muy estudiada para la formación de bioplásticos. Se trata de la principal proteína de almacenamiento de los granos de trigo. Es una mezcla compleja de cientos de proteínas relacionadas ...
Using flavonoids, phenolic compounds and headspace volatile profile for botanical authentication of lemon and orange honeys

Escriche Roberto, Mª Isabel; Kadar, Melinda Andreea; Juan Borrás, María del Sol; Doménech Antich, Eva Mª (Elsevier, 2011-06)

This study evaluates the usefulness of flavonoids (naringenin, hesperetin, chrysin, galangin, kaempferol, luteolin, pinocembrin, and quercetin) and phenolic acids (caffeic acid and p-coumaric acid) together with 37 volatile ...
Volatile profile of dehydrated cherry tomato: Influence of osmotic pre-treatment and microwave power

Heredia Gutiérrez, Ana Belén; Peinado Pardo, Irene; Rosa Barbosa, Estela María; Andrés Grau, Ana María; Escriche Roberto, Mª Isabel (Elsevier, 2012-02-15)

[EN] Vegetable flavour is a quality characteristic for consumer acceptability. Sun and air are traditionally used for drying tomatoes; however, the optimal combination of techniques such as osmotic dehydration or ...