Listar QO - Artículos por título
Mostrando ítems 8-27 de 48
-
Chemistry and biology of bengamides and bengazoles, bioactive natural products from Jaspis sponges
García-Ruiz, Cristina; Sarabia-García, Francisco Ramón
(MDPI, 2014)
Sponges corresponding to the Jaspidae family have proved to be a prolific source of bioactive natural products. Among these, the bengamides and the bengazoles stand out by virtue of their unprecedented molecular architectures ... -
Diastereoselective C-alkylation of aldimines, derived from chiral alpha-carbon heteroatom substituted aldehydes, with triethylborane. Application to the synthesis of benzylisoquinolines
Fuentes-Ríos, David; Muñoz, Carmen; Díaz-Morilla, Amelia; Sarabia-García, Francisco Ramón; López-Romero, Juan Manuel (Royal Society of Chemistry, 2023-03-13)
The one-pot reaction of a chiral aldehyde, p-methoxyaniline or p-fluoroaniline, and triethylborane produces the corresponding alkylated chiral amine with high yields and distereoisomeric ratios. Stereocontrol is induced ... -
Dual Nickel/Photoredox-Catalyzed Asymmetric Carbosulfonylation of Alkenes
(ACS, 2023-05-30)An asymmetric three-component carbosulfonylation of alkenes is presented here. The reaction, involving the simultaneous formation of a C–C and a C–S bond across the π-system, uses a dual nickel/photoredox catalytic system ... -
Dynamic Covalent Properties of a Novel Indolo[3,2-b]carbazole Diradical
Badía-Domínguez, Irene; Peña-Álvarez, Miriam; Wang, Deliang; Pérez Guardiola, Andrés; Vida-Pol, Yolanda; Rodríguez-González, Sandra; López Navarrete, Juan T.; Hernández-Jolín, Víctor; Sancho-García, Juan C.; García-Baonza, Valentín; Nash, Rosie; Hartl, František; Li, Hongxiang; Ruiz-Delgado, María del Carmen[et al.] (Wiley, 2021)
This work describes the synthesis and properties of a dicyanomethylene-substituted indolo[3,2-b]carbazole diradical ICz-CN. This quinoidal system dimerises almost completely to (ICz-CN)2, which contains two long C(sp3)−C(sp3) ... -
Electrospun nanofibers: recent applications in drug delivery and cancer therapy
Contreras-Cáceres, Rafael; Cabeza, Laura; Perazzoli, Gloria; Díaz-Morilla, Amelia; López-Romero, Juan Manuel; Melguizo, Consolación; Prados, Jose[et al.] (MDPI, 2019-04)
Polymeric nanofibers (NFs) have been extensively reported as a biocompatible scaffold to be specifically applied in several researching fields, including biomedical applications. The principal researching lines cover the ... -
Energy-Transfer Sensitization of BODIPY Fluorescence in a Dyad with a Two-Photon Absorbing Antenna Chromophore
Dominguez-Alfaro, Antonio; Pais, Vania; Guzmán-Ríos, David; Collado-Martín, Daniel; Nájera-Albendín, Francisco; Perez-Inestrosa, Ezequiel; Pischel, Uve[et al.] (Elsevier, 2023)
A bichromophoric dyad composed of a Prodan-derived moiety and a BODIPY dye was prepared, photophysically characterized, and tested for multiphoton fluorescence microscopy of N13 microglial cells. The dyad shows highly ... -
Epi-, epoxy- and C2-modified bengamides: Synthesis and biological Evaluation
Sarabia-García, Francisco Ramón; Martín-Gálvez, Francisca; García-Ruiz, Cristina; Sánchez-Ruiz, Antonio; Vivar García, Carlos (ACS, 2013)
With the objective of investigating the influence of structural modifications of the polyketide chain of the bengamides upon their antitumoral activities, we targeted the preparation of bengamide E analogues with modification ... -
Evaluation of anticancer and anti-inflammatory activities of some synthetic rearranged abietanes
(MDPI, 2023-09-01)Synthesis of the rearranged abietane diterpenes pygmaeocins C and D, viridoquinone, saprorthoquinone, and 1-deoxyviroxocine has been successfully achieved. The anticancer and anti-inflammatory activities of selected ... -
Exploring the Antiangiogenic Potential of Solomonamide A Bioactive Precursors: In Vitro and In Vivo Evidences of the Inhibitory Activity of Solo F-OH During Angiogenesis
Carrillo, Paloma; Martínez-Póveda, Beatriz Amparo; Cheng-Sánchez, Iván; Guerra, Jessica; Tobia, Chiara; López-Romero, Juan Manuel; Sarabia-García, Francisco Ramón; Medina-Torres, Miguel Ángel; Rodríguez-Quesada, Ana María[et al.] (2019-04-15)
Marine sponges are a prolific source of bioactive compounds. In this work, the putative antiangiogenic potential of a series of synthetic precursors of Solomonamide A, a cyclic peptide isolated from a marine sponge, was ... -
Exploring the chemistry of epoxy amides for the synthesis of the 2"-epi-diazepanone core of liposidomycins and caprazamycins
Sarabia-García, Francisco Ramón; Vivar García, Carlos; García-Ruiz, Cristina; Martín Ortiz, Laura; Romero-Carrasco, Antonio (ACS, 2012)
New synthetic strategies have been explored for the synthesis of the structural core of liposidomycins and caprazamycins, an intriguing class of complex nucleoside-type antibiotics. This structural core is comprised of a ... -
Extended Alkenyl and Alkynyl Benzotriazoles with enhanced Two‐Photon Absorption properties as a promising alternative to Benzothiadiazoles
Torres-Moya, Ivan; Benítez-Martín, Carlos; Donoso, Beatriz; Tardio, Carlos; Martin, Raul; Carrillo, Jose Ramon; Diaz-Ortiz, Angel; Nájera-Albendín, Francisco; Prieto, Pilar; Perez-Inestrosa, Ezequiel[et al.] (Wiley-VCH Verlag GmbH & Co, 2019)
A series of donor–p–acceptor–p–donor (D-p-A-p-D) benzoazole dyes with 2H-benzo[d][1,2,3]triazole or BTDcores have been prepared and their photophysical proper-ties characterized. The properties of these compounds dis-play ... -
Green synthesis of silver nanoparticles and its combination with Pyropia columbina (Rhodophyta) extracts for a cosmeceutical application
González-Conde, Mercedes; Vega Sánchez, Julia; López-Figueroa, Félix; García-Castro, Miguel; Moscoso, Ana; Sarabia-García, Francisco Ramón; López-Romero, Juan Manuel[et al.] (MDPI, 2023-03-10)
We report the green synthesis of silver nanoparticles (AgNPs) by using daisy petals (Bellis perennis), leek (Allium porrum) and garlic skin (Allium sativum) as reducing agents and water as solvent. AgNPs are obtained with ... -
Identification of an Antigenic Determinant of Clavulanic Acid Responsible for IgE‐mediated Reactions
Barbero, Nekane; Fernández-Santamaría, Rubén; Mayorga, Cristobalina; Martín-Serrano Ortiz, Ángela; Salas, Maria; Bogas, Gador; Nájera-Albendín, Francisco; Pérez-Sala, Dolores; Perez-Inestrosa, Ezequiel; Fernandez, Tahia D; Montañez-Vega, María Isabel; Torres, Maria J[et al.] (John Wiley and Sons Ltd., 2019)
Background: Selective reactions to clavulanic acid (CLV) account for around 30% of immediate reactions after administration of amoxicillin‐CLV. Currently, no immunoas‐ say is available for detecting specific IgE to CLV, ... -
Indolenine-Based Derivatives as Customizable Two-Photon Fluorescent Probes for pH Bioimaging in Living Cells
Benítez-Martín, Carlos; Guadix-Domínguez, Juan Antonio; Pearson, John; Nájera-Albendín, Francisco; Pérez-Pomares, José María; Perez-Inestrosa, Ezequiel[et al.] (American Chemical Society, 2020)
Novel pH probes based on 2-(6-methoxynaphthalen-2-yl)-3,3-dimethyl3H-indole have been synthesized and characterized. These compounds display excellent “off−on” fluorescence responses to acidic pH especially under two-photon ... -
Isolation of Mycosporine-like Amino Acids from Red Macroalgae and a Marine Lichen by High-Performance Countercurrent Chromatography: A Strategy to Obtain Biological UV-Filters.
Vega Sánchez, Julia; Bárcenas-Pérez, Daniela; Fuentes-Ríos, David; López-Romero, Juan Manuel; Hrouzek, Pavel; López-Figueroa, Félix; Cheel, José[et al.] (MDPI, 2023-06-10)
Marine organisms have gained considerable biotechnological interest in recent years due to their wide variety of bioactive compounds with potential applications. Mycosporine-like amino acids (MAAs) are UV-absorbing secondary ... -
Magnetically active pNIPAM nanosystems as temperature-sensitive biocompatible structures for controlled drug delivery
García-Pinel, Beatriz; Ortega Rodríguez, Alicia; Porras Alcalá, Cristina; Cabeza, Laura; Contreras-Cáceres, Rafael; Ortiz, Raúl; Díaz-Morilla, Amelia; Moscoso, Ana; Sarabia-García, Francisco Ramón; Prados, Jose; López-Romero, Juan Manuel; Melguizo, Consolación[et al.] (Taylor and Francis, 2020-04-19)
Here, temperature-sensitive hybrid poly(N-isopropylacrylamide) (pNIPAM) nanosystems with magnetic response are synthesised and investigated for controlled release of 5-fluorouracil (5FU) and oxaliplatin (OXA). Initially, ... -
Multiepitope Dendrimeric Antigen-Silica particle composites as nano-based platforms for specific recognition of IgEs
Gil-Ocaña, Violeta; Jimenez, Isabel M.; Mayorga, Cristobalina; Doña, Inmaculada; Cespedes, Jose A.; Montañez, Maria I.; Vida-Pol, Yolanda; Torres, Maria J.; Perez-Inestrosa, Ezequiel[et al.] (Frontiers, 2021)
β-lactam antibiotics (BLs) are the drugs most frequently involved in drug hypersensitivity reactions. However, current in vitro diagnostic tests have limited sensitivity, partly due to a poor understanding of in vivo ... -
n-Tuples on Scaffold Diversity Inspired by Drug Hybridisation to Enhance Drugability: Application to Cytarabine
García-Castro, Miguel; Fuentes-Ríos, David; López-Romero, Juan Manuel; Romero, Antonio; Moya-Utrera, Federico; Díaz-Morilla, Amelia; Sarabia-García, Francisco Ramón[et al.] (MDPI, 2023-12-13)
A mathematical concept, n-tuples are originally applied to medicinal chemistry, especially with the creation of scaffold diversity inspired by the hybridisation of different commercial drugs with cytarabine, a synthetic ... -
NanoFN10: A High-Contrast Turn-On Fluorescence Nanoprobe for Multiphoton Singlet Oxygen Imaging.
Zanocco, Renzo P.; Nájera-Albendín, Francisco; Pérez-Inestrosa, Ezequiel; Zanocco, Antonio L.; Lemp, Else; Nonell-Marrugat, Santiago[et al.] (MDPI, 2023-05-09)
An “off-on” fluorescent nanoprobe for near-infrared multiphoton imaging of singlet oxygen has been developed. The nanoprobe comprises a naphthoxazole fluorescent unit and a singlet-oxygen-sensitive furan derivative attached ... -
Nanoscale biocompatible structures generated from fluorinated tripodal phenylenes on gold nanoprisms
García-Castro, Miguel; Moscoso, Ana; Sarabia-García, Francisco Ramón; López-Romero, Juan Manuel; Contreras-Cáceres, Rafael; Díaz-Morilla, Amelia[et al.] (Wiley, 2022-03-09)
Modification of gold substrates with a stable, uniform and ultrathin layer of biocompatible materials is of tremendous interest for the development of bio-devices. We present the fabrication of hybrid systems consisting ...