Search Results - "Carretero, Juan Carlos"

PdII-Catalyzed Di‑o‑olefination of Carbazoles Directed by the Protecting N‑(2-Pyridyl)sulfonyl Group by Urones, Beatriz, Arrayás, Ramón Gómez, Carretero, Juan Carlos

“…Despite the significance of carbazole in pharmacy and material science, examples of the direct C–H functionalization of this privileged unit are quite rare…”
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Formal Regiocontrolled Hydroboration of Unbiased Internal Alkynes via Borylation/Allylic Alkylation of Terminal Alkynes by Moure, Abraham L, Mauleón, Pablo, Gómez Arrayás, Ramón, Carretero, Juan Carlos

“…In accessing trisubstituted vinyl boronates from terminal alkynes, a propargyl directing (2-pyridyl)sulfonyl group allows terminal alkynes to undergo…”
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Substrate-Controlled Diastereoselectivity Switch in Catalytic Asymmetric Direct Mannich Reaction of Glycine Derivatives with Imines: From anti- to syn-α,β-Diamino Acids by Hernández-Toribio, Jorge, Gómez Arrayás, Ramón, Carretero, Juan Carlos

“…Back and forth: A diastereoselectivity switch has been devised in the Fesulphos–CuI‐catalyzed glycine direct Mannich reaction with N‐(8‐quinolyl)sulfonyl…”
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Oligopyrrole Synthesis by 1,3-Dipolar Cycloaddition of Azomethine Ylides with Bissulfonyl Ethylenes by López-Pérez, Ana, Robles-Machín, Rocío, Adrio, Javier, Carretero, Juan Carlos

“…One by one or two by two: In a general approach to the iterative construction of oligopyrroles, the cycloaddition of azomethine ylides derived from pyrrolyl…”
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Pyrrole and Oligopyrrole Synthesis by 1,3-Dipolar Cycloaddition of Azomethine Ylides with Sulfonyl Dipolarophiles by Robles-Machín, Rocío, López-Pérez, Ana, González-Esguevillas, María, Adrio, Javier, Carretero, Juan Carlos

“…A procedure for the synthesis of functionalized, substituted pyrroles by 1,3‐dipolar cycloaddition of azomethine ylides has been developed. This protocol is…”
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Recent Applications of Chiral Ferrocene Ligands in Asymmetric Catalysis by Gómez Arrayás, Ramón, Adrio, Javier, Carretero, Juan Carlos

“…Despite the impressive progress achieved in asymmetric catalysis during the last decade, an increasing number of new catalysts, ligands, and applications are…”
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Alkylation of Aryl N-(2-Pyridylsulfonyl)aldimines with Organozinc Halides: Conciliation of Reactivity and Chemoselectivity by Esquivias, Jorge, Gómez Arrayás, Ramón, Carretero, Juan Carlos

“…The best of both worlds: With a coordinating 2‐pyridylsulfonyl group as the N‐activating group, aromatic aldimines show unprecedented high reactivity towards…”
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PdII-Catalysed CH Functionalisation of Indoles and Pyrroles Assisted by the Removable N-(2-Pyridyl)sulfonyl Group: C2-Alkenylation and Dehydrogenative Homocoupling by García-Rubia, Alfonso, Urones, Beatriz, Gómez Arrayás, Ramón, Carretero, Juan Carlos

“…The easily installed and removed N‐(2‐pyridyl)sulfonyl group exerts complete C2 regiocontrol over the PdII‐catalysed CH alkenylation of indoles and pyrroles,…”
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Pauson−Khand Reactions of Electron-Deficient Alkenes by Rodríguez Rivero, Marta, Adrio, Javier, Carretero, Juan Carlos

“…Despite the common perception that alkenes possessing electron‐withdrawing groups are not adequate substrates for Pauson−Khand (PK) reactions, a number of…”
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Gold-Catalyzed Synthesis of Alkylidene 2-Oxazolidinones and 1,3-Oxazin-2-ones by Robles-Machín, Rocío, Adrio, Javier, Carretero, Juan Carlos

“…N-Boc-protected alkynylamines are converted into the corresponding alkylidene 2-oxazolidinones or 2-oxazinones under very mild reaction conditions in the…”
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Chelation-Induced Catalytic Multiple Arylation of Allylic 2-Pyridyl Sulfones by Llamas, Tomás, Arrayás, Ramón Gómez, Carretero, Juan Carlos

“…The development of a chelation‐assisted, transition metal‐catalyzed protocol for the sequential multiarylation of cyclic allyl sulfones is described. The…”
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Ligand Effects in Gold- and Platinum-Catalyzed Cyclization of Enynes:  Chiral Gold Complexes for Enantioselective Alkoxycyclization by Muñoz, M. Paz, Adrio, Javier, Carretero, Juan Carlos, Echavarren, Antonio M

“…Phosphine and bidentate N−N ligands inhibit the Alder-ene-type cycloisomerization of enynes catalyzed by Pt(II) and favor the alkoxycyclization process. The…”
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Asymmetric Intermolecular Pauson−Khand Reactions of Unstrained Olefins:  The (o-Dimethylamino)phenylsulfinyl Group as an Efficient Chiral Auxiliary by Rodríguez Rivero, Marta, de la Rosa, Juan Carlos, Carretero, Juan Carlos

“…The first asymmetric version of intermolecular Pauson−Khand reactions of unstrained alkenes is described. Generally simple acyclic alkenes exhibit low…”
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2-Pyridyl Sulfoxide: A Versatile and Removable Directing Group for the PdII-Catalyzed Direct CH Olefination of Arenes by García-Rubia, Alfonso, Fernández-Ibáñez, M. Ángeles, Gómez Arrayás, Ramón, Carretero, Juan Carlos

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Catalytic asymmetric direct Mannich reaction: a powerful tool for the synthesis of alpha,beta-diamino acids by Arrayás, Ramón Gómez, Carretero, Juan C

“…Optically active alpha,beta-diamino acids are very attractive targets in organic synthesis because of their wide-ranging biological significance and high…”
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Pd(II)-catalyzed di-o-olefination of carbazoles directed by the protecting N-(2-pyridyl)sulfonyl group by Urones, Beatriz, Gómez Arrayás, Ramón, Carretero, Juan Carlos

“…Despite the significance of carbazole in pharmacy and material science, examples of the direct C-H functionalization of this privileged unit are quite rare…”
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Pd(II)-catalysed C-H functionalisation of indoles and pyrroles assisted by the removable N-(2-pyridyl)sulfonyl group: C2-alkenylation and dehydrogenative homocoupling by García-Rubia, Alfonso, Urones, Beatriz, Gómez Arrayás, Ramón, Carretero, Juan Carlos

“…The easily installed and removed N-(2-pyridyl)sulfonyl group exerts complete C2 regiocontrol over the Pd(II)-catalysed C-H alkenylation of indoles and…”
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Molecular characterization of arthropod-borne hematozoans in wild mammals from Brazil, Venezuela and Spain by Criado-Fornelio, Angel, Buling, Amelia, Casado, Nieves, Gimenez, Consuelo, Ruas, Jeronimo, Wendt, Luciana, da Rosa-Farias, Nara, Pinheiro, Max, Rey-Valeiron, Catalina, Barba-Carretero, Juan Carlos

“…A survey of Babesia, Theileria and Hepatozoon was conducted in wild mammals, including the capybara ( Hydrochaeris hydrochaeris ; n = 14) from Brazil, the…”
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Regioselective synthesis of 3,6-disubstituted-2-aminoimidazo[1,2- a]pyridines by Jaramillo, Carlos, Carretero, Juan Carlos, de Diego, J.Eugenio, del Prado, Miriam, Hamdouchi, Chafiq, Roldán, José Luis, Sánchez-Martı́nez, Concha

“…A convenient synthesis of 3,6-disubstituted-2-aminoimidazo[1,2- a]pyridines 3 is described. A halogen–metal exchange study on building block 1 showed that use…”
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2-Pyridyl sulfoxide: a versatile and removable directing group for the Pd(II)-catalyzed direct C-H olefination of arenes by García-Rubia, Alfonso, Fernández-Ibáñez, M Ángeles, Gómez Arrayás, Ramón, Carretero, Juan Carlos

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