Search Results - "DE LA PRADILLA, Roberto Fernandez"

From Allylic Sulfoxides to Allylic Sulfenates: Fifty Years of a Never-Ending [2,3]-Sigmatropic Rearrangement by Colomer, Ignacio, Velado, Marina, Fernández de la Pradilla, Roberto, Viso, Alma

“…The [2,3]-sigmatropic rearrangement of allylic sulfoxides to allylic sulfenates is a reversible process, generally shifted toward the sulfoxide. In the…”
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Sulfoxide-Directed Enantioselective Synthesis of Functionalized Tetrahydropyridines by Fernández de la Pradilla, Roberto, Simal, Carmen, Bates, Robert H, Viso, Alma, Infantes, Lourdes

“…The highly selective base-promoted cyclization of enantiopure sulfinyl dienamines provides stereodefined sulfinyl 1,2,3,6-tetrahydropyridines (dr up to 99:1)…”
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Update 1 of: α,β-Diamino Acids: Biological Significance and Synthetic Approaches by Viso, Alma, Fernández de la Pradilla, Roberto, Tortosa, Mariola, García, Ana, Flores, Aida

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Chiral Sulfur Functional Groups as Definers of the Chirality at the Metal in Ir and Rh Half‐Sandwich Complexes: A Combined CD/X‐ray Study by Avello, Marta G., Frutos, María, de la Torre, María C., Viso, Alma, Velado, Marina, de la Pradilla, Roberto Fernández, Sierra, Miguel A., Gornitzka, Heinz, Hemmert, Catherine

“…Mesoionic carbenes (MICs) derived from triazolium salts that contain chiral sulfoxide or sulfoximine functional groups were used to construct enantiopure…”
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Gold(I)-Catalyzed Cycloisomerization–Dimerization Cascade of Benzene-Tethered 1,6-Enynes by Álvarez-Pérez, Mónica, Frutos, María, Viso, Alma, Fernández de la Pradilla, Roberto, de la Torre, María C, Sierra, Miguel A, Gornitzka, Heinz, Hemmert, Catherine

“…An unprecedented stereoselective domino reaction of 1,6-enynes with an aryl ring at C3–C4 in the presence of gold­(I) catalysts at low temperature is…”
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Desulfinylation of Ag(I) Sulfinyl Mesoionic Carbenes: Preparation of C‑Unsubstituted Au(I)–1,2,3-Triazole Carbene Complexes by Frutos, María, Ortuño, Manuel A, Lledos, Agustí, Viso, Alma, Fernández de la Pradilla, Roberto, de la Torre, María C, Sierra, Miguel A, Gornitzka, Heinz, Hemmert, Catherine

“…New and well-characterized Ag–bis­(1,2,3-triazolylidene) complexes having enantiopure (S)-sulfoxides upon sequential treatment with alcohols and Au­(I) form…”
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Site-Selective Functionalization of C(sp3) Vicinal Boronic Esters by Viso, Alma, Fernández de la Pradilla, Roberto, Tortosa, Mariola

“…Selective functionalization of the C–B bond in 1,2-bis­(boronate) esters has emerged as a powerful tool to prepare 1,2-difunctionalized compounds with…”
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Remote Stereocontrol in the Synthesis of Acyclic 1,4-Diols and 1,4‑Aminoalcohols from 2‑Sulfinyl Dienes by Fernández de la Pradilla, Roberto, Velado, Marina, Colomer, Ignacio, Simal, Carmen, Viso, Alma, Gornitzka, Heinz, Hemmert, Catherine

“…The highly diastereoselective conjugate addition of alcohols and amines (RXH) to enantiopure 2-sulfinyl dienes renders transient allylic sulfoxides which…”
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Enantioselective Suzuki cross-coupling of 1,2-diboryl cyclopropanes by Teresa, Javier, Velado, Marina, Fernández de la Pradilla, Roberto, Viso, Alma, Lozano, Blanca, Tortosa, Mariola

“…Herein, we describe the catalytic enantioselective cross-coupling of 1,2-bisboronic esters. Prior work on group specific cross coupling is limited to the use…”
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Diastereodivergent Synthesis of 2‑Ene-1,4-hydroxy Sulfides from 2‑Sulfinyl Dienes via Tandem Sulfa-Michael/Sulfoxide-Sulfenate Rearrangement by Velado, Marina, Fernández de la Pradilla, Roberto, Viso, Alma

“…The highly diastereoselective sulfa-Michael addition of thiolates to enantiopure 2-sulfinyl dienes leads to anti or syn 2-ene-1,4-hydroxy sulfides in good…”
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An Approach to the Stereoselective Synthesis of Enantiopure Dihydropyrroles and Aziridines from a Common Sulfinyl-Sulfinamide Intermediate by Viso, Alma, Fernández de la Pradilla, Roberto, Ureña, Mercedes, Bates, Robert H, del Águila, Miguel A, Colomer, Ignacio

“…The diastereoselective addition of lithiated vinyl sulfoxides to enantiopure sulfinimines provides direct access to a wide assortment of allylic sulfinamides…”
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Sulfoxide-Directed Intramolecular [4 + 2] Cycloadditions between 2-Sulfinyl Butadienes and Unactivated Alkynes by Fernández de la Pradilla, Roberto, Tortosa, Mariola, Castellanos, Esther, Viso, Alma, Baile, Raquel

“…Sulfinyl dienynes undergo thermal and catalyzed IMDA cycloadditions, often at room temperature, to produce cyclohexa-1,4-dienes with good yields and high…”
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Enantiopure 1,4-Diols and 1,4-Aminoalcohols via Stereoselective Acyclic Sulfoxide−Sulfenate Rearrangement by Fernández de la Pradilla, Roberto, Colomer, Ignacio, Ureña, Mercedes, Viso, Alma

“…Treatment of acyclic α-hydroxy and α-tosylamino sulfinyl dienes with amines affords enantiopure 1,4-diol or 1,4-hydroxysulfonamide derivatives in good yields…”
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Base-Induced Sulfoxide-Sulfenate Rearrangement of 2‑Sulfinyl Dienes for the Regio- and Stereoselective Synthesis of Enantioenriched Dienyl Diols by Velado, Marina, Martinović, Manuel, Alonso, Inés, Tortosa, Mariola, Fernández de la Pradilla, Roberto, Viso, Alma

“…The base-induced [2,3]-sigmatropic rearrangement of a series of enantiopure 2-sulfinyl dienes has been examined and optimized using a combination of NaH and i…”
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Sulfinyl‐Mediated Stereoselective Functionalization of Acyclic Conjugated Dienes by Colomer, Ignacio, Ureña, Mercedes, Viso, Alma, Fernández de la Pradilla, Roberto

“…The chemo‐ and stereocontrolled functionalization of conjugated sulfinyl dienes in a cascade process that involves a conjugate addition, diastereoselective…”
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Enantiospecific Synthesis of 1,3‐Disubstituted Allenes from Propargylic Carbonates through a Borylation‐1,2‐Elimination Process by Jarava‐Barrera, Carlos, Parra, Alejandro, Quesada, Sergio, Orgaz‐Gordillo, Sergio, Fernández de la Pradilla, Roberto, Viso, Alma, Teresa, Javier, Alonso, Inés, Tortosa, Mariola

“…An array of enantioenriched vinyl boronates bearing an allylic carbonate moiety have been prepared through selective hydroboration of propargyl carbonates…”
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[2,3]-Sigmatropic Rearrangements of 3-Sulfinyl Dihydropyrans: Application to the Syntheses of the Cores of ent-Dysiherbaine and Deoxymalayamicin A by de la Pradilla, Roberto Fernández, Lwoff, Nadia, del Águila, Miguel Ángel, Tortosa, Mariola, Viso, Alma

“…The [2,3]-sigmatropic rearrangement of a variety of configurationally stable diastereomeric allylic sulfinyl dihydropyrans, produced by base-promoted…”
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Asymmetric Claisen Rearrangements on Chiral Vinyl Sulfoxides by Fernández de la Pradilla, Roberto, Montero, Carlos, Tortosa, Mariola, Viso, Alma

“…Highly diastereoselective Claisen rearrangements of acyclic allyl vinyl ethers bearing a chiral sulfoxide at C‐5 provide γ‐δ‐unsaturated aldehydes or ketones…”
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Gold Sulfinyl Mesoionic Carbenes: Synthesis, Structure, and Catalytic Activity by Frutos, María, Avello, Marta G, Viso, Alma, Fernández de la Pradilla, Roberto, de la Torre, María C, Sierra, Miguel A, Gornitzka, Heinz, Hemmert, Catherine

“…Gold mesoionic carbenes having a chiral sulfoxide group attached to the C4 position of the five membered ring have been prepared and tested as catalysts in the…”
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Highly Diastereoselective Katsuki−Jacobsen Oxidation−Epoxidation of α-Silyloxy Sulfinyl Dienes: Synthetic Applications by Fernández de la Pradilla, Roberto, Castellanos, Alejandro, Osante, Iñaki, Colomer, Ignacio, Sánchez, Mateo I

“…Katsuki−Jacobsen oxidation−epoxidation of acyclic α-silyloxy sulfinyl dienes, followed by acid-promoted cyclization, leads to 2,5-trans-sulfonyl dihydrofurans…”
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