Search Results - "Morán, Joaquín R"

5‑Chloro-8-nitro-1-naphthoyl (NNap): A Selective Protective Group for Amines and Amino Acids by Habib, Asmaa, Garrido-González, José J., Sánchez-Santos, Estela, del Teso, Irene Boya, Sanz, Francisca, Alcázar, Victoria, Fuentes de Arriba, Ángel L., Morán, Joaquín R.

“…The synthesis of 5-chloro-8-nitro-1-naphthoyl chloride and its use as a protective group for amines is described. Protection is carried out with an auxiliary…”
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Highly Enantioselective Extraction of Phenylglycine by a Chiral Macrocyclic Receptor Based on Supramolecular Interactions by Turiel, María G, Garrido-González, José J, Simón, Luis, Sanz, Francisca, Lithgow, Anna M, Morán, Joaquín R, Fuentes de Arriba, Ángel L, Alcázar, Victoria

“…Using supramolecular interactions, a novel macrocyclic receptor is able to selectively extract zwitterionic phenylglycine from neutral aqueous solutions into…”
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Transesterification of Non‐Activated Esters Promoted by Small Molecules Mimicking the Active Site of Hydrolases by Garrido‐González, José J., Sánchez‐Santos, Estela, Habib, Asmaa, Cuevas Ferreras, Ángel V., Sanz, Francisca, Morán, Joaquín R., Fuentes de Arriba, Ángel L.

“…The synthesis of small molecules able to mimic the active site of hydrolytic enzymes has been largely pursued in recent decades. The high reaction rates and…”
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An Enzyme Model Which Mimics Chymotrypsin and N‑Terminal Hydrolases by Garrido-González, José J, Iglesias Aparicio, M, García, Miguel Martínez, Simón, Luis, Sanz, Francisca, Morán, Joaquín R, Fuentes de Arriba, Ángel L

“…Enzymes are the most efficient and specific catalysts to date. Although they have been thoroughly studied for years, building a true enzyme mimic remains a…”
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An Adjustable Cleft Based on an 8‐Sulfonamide‐2‐Naphthoic Acid with Oxyanion Hole Geometry by Garrido‐González, José J., Boya del Teso, Irene, Fuentes de Arriba, Ángel L., Sanz, Francisca, Martín del Valle, Eva M., Morán, Joaquín R., Alcázar, Victoria

“…Cleft type receptors showing the oxyanion hole motif have been prepared in a straightforward synthesis starting from the commercial 3,7‐dihidroxy‐2‐naphthoic…”
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A molecular receptor selective for zwitterionic alanine by Rubio, Omayra H, Taouil, Rachid, Muñiz, Francisco M, Monleón, Laura M, Simón, Luis, Sanz, Francisca, Morán, Joaquín R

“…A molecular receptor has been synthesized joining an aza-crown ether with a chiral chromane which mimics the oxyanion hole of the enzymes. With this receptor…”
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Synthesis of Monoacylated Derivatives of 1,2- Cyclohexanediamine. Evaluation of their Catalytic Activity in the Preparation of Wieland−Miescher Ketone by Fuentes de Arriba, Ángel L, Seisdedos, David G, Simón, Luis, Alcázar, Victoria, Raposo, César, Morán, Joaquín R

“…Ureas, carbamoyl derivatives, amides, and sulfonamides can be easily prepared from the strained (R,R)-cylohexanediamine urea (1) in high yield, leaving a free…”
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Bifunctional organocatalysts based on a carbazole scaffold for the synthesis of the Hajos–Wiechert and Wieland–Miescher ketones by Rubio, Omayra H., Fuentes de Arriba, Ángel L., Monleón, Laura M., Sanz, Francisca, Simón, Luis, Alcázar, Victoria, Morán, Joaquín R.

“…Several bifunctional organocatalysts based on a carbazole scaffold containing a chiral amine and a synthetic oxyanion-hole have been synthesized and…”
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A bio-inspired enantioselective small-molecule artificial receptor for β adrenergic agonists and antagonists and its application for enantioselective extraction by Fuentes de Arriba, Ángel L, Simón, Luis, Rubio, Omayra H, Monleón, Laura M, Alcázar, Victoria, Sanz, Francisca, Raposo, César A, Morán, Joaquín R

“…Administration of enantiomerically pure β-adrenergic agonists and antagonists increases their activity and reduces side effects. We report here a…”
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A molecular receptor for zwitterionic phenylalanine by Herrero, Francisco Gómez, Rubio, Omayra H, Monleón, Laura M, Fuentes de Arriba, Ángel L, Rubio, Luís Simón, Morán, Joaquín R

“…The combination of a 1,3-ketoenol system and two pyridine molecules attached as sulfonamide and carboxamide to a benzofuran skeleton allows the preparation of…”
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Chiral recognition with a benzofuran receptor that mimics an oxyanion hole by Fuentes de Arriba, Angel L, Herrero, Angel Gómez, Rubio, Omayra H, Monleón, Laura M, Simón Rubio, Luis, Alcázar, Victoria, Sanz, Francisca, Morán, Joaquín R

“…A new chiral benzofuran receptor has been synthesized and its properties in the association of amino acid derivatives have been studied. X-ray structures were…”
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Proline imidazolidinones and enamines in Hajos–Wiechert and Wieland–Miescher ketone synthesis by de Arriba, Ángel L. Fuentes, Simón, Luis, Raposo, César, Alcázar, Victoria, Morán, Joaquín R.

“…Readily available aromatic prolinamides obtained from the acid chloride of proline hydrochloride and anilines induce large enantiomeric excesses in…”
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A highly selective receptor for zwitterionic proline by Temprano, Álvaro G, Monleón, Laura M, Rubio, Omayra H, Rubio, Luis Simón, Pérez, Asunción B, Sanz, Francisca, Morán, Joaquín R

“…A chiral chromane receptor has been synthesized which mimics the oxyanion hole of the enzymes. In this receptor H-bonds and cation-π interactions team up to…”
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Sulfonamide carbazole receptors for anion recognition by Fuentes de Arriba, Ángel L, Turiel, María G, Simón, Luis, Sanz, Francisca, Boyero, Juan F, Muñiz, Francisco M, Morán, Joaquín R, Alcázar, Victoria

“…Carbazole-based receptors functionalized with two sulfonamide groups have been synthesized and their properties as anion receptors have been evaluated. The…”
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A High Yield Procedure for the Preparation of 2-Hydroxynitrostyrenes: Synthesis of Imines and Tetracyclic 1,3-Benzoxazines by Tena Pérez, Víctor, Fuentes de Arriba, Ángel L., Monleón, Laura M., Simón, Luis, Rubio, Omayra H., Sanz, Francisca, Morán, Joaquín R.

“…Attempts to synthesize 2‐hydroxynitrostyrenes by a Knoevenagel condensation of salicylaldehyde and subsequent elimination were unsuccessful because of the…”
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Preparation of cyclic boramides from salicylaldehydes, ammonium acetate and sodium borohydride by Pérez, Víctor Tena, Fuentes de Arriba, Ángel L., Monleón, Laura M., Simón, Luis, Rubio, Omayra H., Sanz, Francisca, Morán, Joaquín R.

“…Borohydride reduction of salicylaldehyde imines yields surprisingly a cyclic boramide. This is a fairly stable compound, and X-ray analysis shows it has a…”
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Macrocyclic Chiral Receptors toward Enantioselective Recognition of Naproxen by González, Silvia, Peláez, Rafael, Sanz, Francisca, Jiménez, Ma Belén, Morán, Joaquín R, Caballero, Ma Cruz

“…A macrocyclic receptor based on a bischromenylurea and an α,α‘-(o,o ‘-dialkyl)diphenyl-p-xylylenediamine spacer provides a C 2 chiral cavity to associate…”
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A Twitchell Reagent Revival: Biodiesel Generation from Low Cost Oils by de Arriba, Ángel L. Fuentes, Simón, Luis, Alcázar, Victoria, Cuellar, Jorge, Lozano-Martínez, Patricia, Morán, Joaquín R.

“…The transesterification of triglycerides with short‐chain alcohols, such as methanol, is the most used process for the obtention of biodiesel. This is a…”
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A Xanthene-Benzimidazole Receptor with Multiple H-Bond Donors for Carboxylic Acids by Muñiz, Francisco M., Alcázar, Victoria, Sanz, Francisca, Simón, Luis, Fuentes de Arriba, Ángel L., Raposo, César, Morán, Joaquín R.

“…The combination of two benzimidazole moieties with a spacer formed by a leucine unit and a xanthene skeleton provides an efficient receptor for neutral guests…”
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Thiourea versus the oxyanion hole as a double H-bond donor by Muñiz, Francisco M., Montero, Victoria Alcázar, Fuentes de Arriba, Ángel L., Simón, Luis, Raposo, César, Morán, Joaquín R.

“…A novel receptor based on the 4,5-diamine-9,9-dimethylxanthene skeleton functionalised with triflamides has been developed and its hydrogen-bonding donor…”
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