Search Results - "Castiñeira Reis, Marta"

Nucleophilic Dearomatization of N‑Heteroaromatics Enabled by Lewis Acids and Copper Catalysis by Yan, Xingchen, Ge, Luo, Castiñeira Reis, Marta, Harutyunyan, Syuzanna R

“…Dearomative functionalization of heteroaromatics, a readily available chemical feedstock, is one of the most straightforward approaches for the synthesis of…”
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Direct Synthesis of α‐Aryl‐α‐Trifluoromethyl Alcohols via Nickel Catalyzed Cross‐Electrophile Coupling by Lombardi, Lorenzo, Cerveri, Alessandro, Giovanelli, Riccardo, Castiñeira Reis, Marta, Silva López, Carlos, Bertuzzi, Giulio, Bandini, Marco

“…A nickel‐catalyzed reductive cross‐electrophile coupling between the redox‐active N‐trifluoroethoxyphthalimide and iodoarenes is documented. The protocol…”
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Enantioselective Catalytic Dearomative Addition of Grignard Reagents to 4‑Methoxypyridinium Ions by Guo, Yafei, Castiñeira Reis, Marta, Kootstra, Johanan, Harutyunyan, Syuzanna R

“…We describe a general catalytic methodology for the enantioselective dearomative alkylation of pyridine derivatives with Grignard reagents, allowing direct…”
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Grignard Reagent Addition to Pyridinium Salts: A Catalytic Approach to Chiral 1,4-Dihydropyridines by Somprasong, Siriphong, Castiñeira Reis, Marta, Harutyunyan, Syuzanna R.

“…Catalytic dearomatization of pyridinium salts is a powerful technique for constructing chiral N-heterocycles, which are crucial in alkaloid natural products…”
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Electrophilic Trapping of Semibenzenes by Boldrini, Cosimo, Reis, Marta Castiñeira, Harutyunyan, Syuzanna R.

“…In this work, we demonstrate how allylative dearomatization of benzyl chlorides can provide direct access to a variety of semibenzenes. These scaffolds behave…”
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Manganese(I)-Catalyzed H–P Bond Activation via Metal–Ligand Cooperation by Pérez, Juana M, Postolache, Roxana, Castiñeira Reis, Marta, Sinnema, Esther G, Vargová, Denisa, de Vries, Folkert, Otten, Edwin, Ge, Luo, Harutyunyan, Syuzanna R

“…Here we report that chiral Mn­(I) complexes are capable of H–P bond activation. This activation mode enables a general method for the hydrophosphination of…”
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Manganese(I)-Catalyzed Asymmetric Hydrophosphination of α,β‑Unsaturated Carbonyl Derivatives by Postolache, Roxana, Pérez, Juana M., Castiñeira Reis, Marta, Ge, Luo, Sinnema, Esther G., Harutyunyan, Syuzanna R.

“…Here we report catalytic asymmetric hydrophosphination of α,β-unsaturated carbonyl derivatives using a chiral Mn­(I) complex as a catalyst. Through H–P bond…”
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Synthesis and Functionalization of Allenes by Direct Pd‐Catalyzed Organolithium Cross‐Coupling by Mateos‐Gil, Jaime, Mondal, Anirban, Castiñeira Reis, Marta, Feringa, Ben L.

“…A palladium‐catalyzed cross‐coupling between in situ generated allenyl/propargyl‐lithium species and aryl bromides to yield highly functionalized allenes is…”
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Nickel Catalyzed Carbonylation/Carboxylation Sequence via Double CO2 Incorporation by Giovanelli, Riccardo, Lombardi, Lorenzo, Pedrazzani, Riccardo, Monari, Magda, Reis, Marta Castiñeira, López, Carlos Silva, Bertuzzi, Giulio, Bandini, Marco

“…A carbonylation–carboxylation synthetic sequence, via double CO2 fixation, is described. The productive merger of a Ni-catalyzed cross-electrophile coupling…”
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Synthesis of Benzodihydrofurans by Asymmetric C−H Insertion Reactions of Donor/Donor Rhodium Carbenes by Lamb, Kellan N., Squitieri, Richard A., Chintala, Srinivasa R., Kwong, Ada J., Balmond, Edward I., Soldi, Cristian, Dmitrenko, Olga, Castiñeira Reis, Marta, Chung, Ryan, Addison, J. Bennett, Fettinger, James C., Hein, Jason E., Tantillo, Dean J., Fox, Joseph M., Shaw, Jared T.

“…Metal carbenes appended with two electron‐donating groups, known as “donor/donor” carbenes, undergo diastereo‐ and enantioselective rhodium‐catalyzed C−H…”
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Rational Design in Catalysis: A Mechanistic Study of β‑Hydride Eliminations in Gold(I) and Gold(III) Complexes Based on Features of the Reaction Valley by Castiñeira Reis, Marta, López, Carlos Silva, Kraka, Elfi, Cremer, Dieter, Faza, Olalla Nieto

“…β-Hydride eliminations for ethylgold­(III) dichloride complexes are identified as reactions with an unusually long prechemical stage corresponding to the…”
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Lewis Acid Promoted Dearomatization of Naphthols by Kulish, Kirill, Boldrini, Cosimo, Castiñeira Reis, Marta, Pérez, Juana M., Harutyunyan, Syuzanna R.

“…Two‐step dearomative functionalization of naphthols promoted by Lewis acids and copper(I) catalysis was developed. Initially, Lewis acid complexation inverted…”
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Pushing the limits of concertedness. A waltz of wandering carbocations by Castiñeira Reis, Marta, López, Carlos Silva, Nieto Faza, Olalla, Tantillo, Dean J

“…Among the array of complex terpene-forming carbocation cyclization/rearrangement reactions, the so-called "triple shift" reactions are among the most…”
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Synthesis of Spirobicyclic Pyrazoles by Intramolecular Dipolar Cycloadditions/[1s, 5s] Sigmatropic Rearrangements by Dimirjian, Christine A, Castiñeira Reis, Marta, Balmond, Edward I, Turman, Nolan C, Rodriguez, Elys P, Di Maso, Michael J, Fettinger, James C, Tantillo, Dean J, Shaw, Jared T

“…The formation of fused pyrazoles via intramolecular 1,3-dipolar cycloadditions of diazo intermediates with pendant alkynes is described. A subsequent thermal…”
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A Radical Mechanism for the Vanadium-Catalyzed Deoxydehydration of Glycols by de Vicente Poutás, Luis Carlos, Castiñeira Reis, Marta, Sanz, Roberto, López, Carlos Silva, Faza, Olalla Nieto

“…We propose a novel mechanism for the deoxydehydration (DODH) reaction of glycols catalyzed by a [Bu4N]­[VO2(dipic)] complex (dipic =…”
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[MoO2]2+-Mediated Oxygen Atom Transfer via an Unusual Lewis Acid Mechanism by Castiñeira Reis, Marta, Marín-Luna, Marta, Silva López, Carlos, Faza, Olalla Nieto

“…Density functional theory is applied to the study of the oxygen atom transfer reaction from sulfoxide (DMSO) to phosphine (PMe3) catalyzed by the [MoO2]2+…”
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Mechanism of the Molybdenum-Mediated Cadogan Reaction by Castiñeira Reis, Marta, Marín-Luna, Marta, Silva López, Carlos, Faza, Olalla Nieto

“…Oxygen atom transfer reactions are receiving increasing attention because they bring about paramount transformations in the current biomass processing…”
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Catalytic Access to Chiral δ‐Lactams via Nucleophilic Dearomatization of Pyridine Derivatives by Somprasong, Siriphong, Reis, Marta Castiñeira, Harutyunyan, Syuzanna R.

“…Nitrogen‐bearing rings are common features in the molecular structures of modern drugs, with chiral δ‐lactams being an important subclass due to their known…”
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Violations to the principle of least motion: the shortest path is not always the fastest by Reis, Marta Castiñeira, Alajarin, Mateo, Marin-Luna, Marta

“…The reaction between two molecules is usually envisioned as following a least-motion path with both molecules travelling minimum distances to meet each other…”
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Au(III) catalyzes the cross-coupling between activated methylenes and alkene derivatives by Castiñeira Reis, Marta, Marín-Luna, Marta, Janković, Nenad, Nieto Faza, Olalla, Silva López, Carlos

“…[Display omitted] •Au(III) can catalyze CC cross-coupling processes via CH activation steps.•Au(III) is more efficient than Au(I) when b-elimination steps are…”
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