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Mechanistic Picture and Kinetic Analysis of Surface-Confined Ullmann Polymerization.
Di Giovannantonio M, Tomellini M, Lipton-Duffin J, Galeotti G, Ebrahimi M, Cossaro A, Verdini A, Kharche N, Meunier V, Vasseur G, Fagot-Revurat Y, Perepichka DF, Rosei F, Contini G. Di Giovannantonio M, et al. J Am Chem Soc. 2016 Dec 28;138(51):16696-16702. doi: 10.1021/jacs.6b09728. Epub 2016 Dec 13. J Am Chem Soc. 2016. PMID: 27958750
Surface-confined polymerization via Ullmann coupling is a promising route to create one- and two-dimensional covalent pi-conjugated structures, including the bottom-up growth of graphene nanoribbons. Understanding the mechanism of the Ullmann reaction is necessary t …
Surface-confined polymerization via Ullmann coupling is a promising route to create one- and two-dimensional covalent pi-conjugated s …
Hierarchy in the Halogen Activation During Surface-Promoted Ullmann Coupling.
Merino-Díez N, Pérez Paz A, Li J, Vilas-Varela M, Lawrence J, Mohammed MSG, Berdonces-Layunta A, Barragán A, Pascual JI, Lobo-Checa J, Peña D, de Oteyza DG. Merino-Díez N, et al. Chemphyschem. 2019 Sep 17;20(18):2305-2310. doi: 10.1002/cphc.201900633. Epub 2019 Aug 20. Chemphyschem. 2019. PMID: 31328365
Within the collection of surface-supported reactions currently accessible for the production of extended molecular nanostructures under ultra-high vacuum, Ullmann coupling has been the most successful in the controlled formation of covalent single C-C bonds. ...We use prec …
Within the collection of surface-supported reactions currently accessible for the production of extended molecular nanostructures under ultr …
Cooperative Action for Molecular Debromination Reaction on Cu(110).
Sarasola A, Barragán A, Vitali L. Sarasola A, et al. J Am Chem Soc. 2018 Nov 21;140(46):15631-15634. doi: 10.1021/jacs.8b10329. Epub 2018 Nov 9. J Am Chem Soc. 2018. PMID: 30394739
Copper is the paradigmatic catalyzer of the Ullmann cross-coupling reaction. Despite this, its role in the reaction is still under debate. ...
Copper is the paradigmatic catalyzer of the Ullmann cross-coupling reaction. Despite this, its role in the reaction is still under de …
Order from a Mess: The Growth of 5-Armchair Graphene Nanoribbons.
Berdonces-Layunta A, Schulz F, Aguilar-Galindo F, Lawrence J, Mohammed MSG, Muntwiler M, Lobo-Checa J, Liljeroth P, de Oteyza DG. Berdonces-Layunta A, et al. ACS Nano. 2021 Oct 26;15(10):16552-16561. doi: 10.1021/acsnano.1c06226. Epub 2021 Oct 11. ACS Nano. 2021. PMID: 34633170
In this context, the vast majority of GNRs have been synthesized from the same chemical reaction: Ullmann coupling followed by cyclodehydrogenation. Here, we provide a detailed study of the growth process of five-atom-wide armchair GNRs starting from dibromoperylene. ...
In this context, the vast majority of GNRs have been synthesized from the same chemical reaction: Ullmann coupling followed by cyclod …
Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons.
de Oteyza DG, García-Lekue A, Vilas-Varela M, Merino-Díez N, Carbonell-Sanromà E, Corso M, Vasseur G, Rogero C, Guitián E, Pascual JI, Ortega JE, Wakayama Y, Peña D. de Oteyza DG, et al. ACS Nano. 2016 Sep 27;10(9):9000-8. doi: 10.1021/acsnano.6b05269. Epub 2016 Aug 30. ACS Nano. 2016. PMID: 27548516 Free PMC article.
Contributing to the need for new graphene nanoribbon (GNR) structures that can be synthesized with atomic precision, we have designed a reactant that renders chiral (3,1)-GNRs after a multistep reaction including Ullmann coupling and cyclodehydrogenation. The nanoribbon sy …
Contributing to the need for new graphene nanoribbon (GNR) structures that can be synthesized with atomic precision, we have designed a reac …
Enhancing Haloarene Coupling Reaction Efficiency on an Oxide Surface by Metal Atom Addition.
Abadia M, Piquero-Zulaica I, Brede J, Verdini A, Floreano L, V Barth J, Lobo-Checa J, Corso M, Rogero C. Abadia M, et al. Nano Lett. 2024 Feb 14;24(6):1923-1930. doi: 10.1021/acs.nanolett.3c04111. Epub 2024 Feb 5. Nano Lett. 2024. PMID: 38315034 Free PMC article.
Here, we achieve a high polymerization yield of halogenated polyphenyl molecular building blocks on the semiconducting TiO(2)(110) surface via concomitant surface decoration with cobalt atoms, which catalyze the Ullmann coupling reaction. Specifically, cobalt atoms trigger …
Here, we achieve a high polymerization yield of halogenated polyphenyl molecular building blocks on the semiconducting TiO(2)(110) surface v …
Innovative Three-Step Microwave-Promoted Synthesis of N-Propargyltetrahydroquinoline and 1,2,3-Triazole Derivatives as a Potential Factor Xa (FXa) Inhibitors: Drug Design, Synthesis, and Biological Evaluation.
Santana-Romo F, Lagos CF, Duarte Y, Castillo F, Moglie Y, Maestro MA, Charbe N, Zacconi FC. Santana-Romo F, et al. Molecules. 2020 Jan 23;25(3):491. doi: 10.3390/molecules25030491. Molecules. 2020. PMID: 31979319 Free PMC article.
The microwave-assisted synthetic strategy of selected compounds was carried out by using Ullmann-Goldberg, N-propargylation, Mannich addition, Friedel-Crafts, and 1,3-dipolar cycloaddition type reactions under microwave irradiation. ...
The microwave-assisted synthetic strategy of selected compounds was carried out by using Ullmann-Goldberg, N-propargylation, Mannich …
Quality of oral anticoagulation with phenprocoumon in regular medical care and its potential for improvement in a telemedicine-based coagulation service--results from the prospective, multi-center, observational cohort study thrombEVAL.
Prochaska JH, Göbel S, Keller K, Coldewey M, Ullmann A, Lamparter H, Jünger C, Al-Bayati Z, Baer C, Walter U, Bickel C, ten Cate H, Münzel T, Wild PS. Prochaska JH, et al. BMC Med. 2015 Jan 23;13:14. doi: 10.1186/s12916-015-0268-9. BMC Med. 2015. PMID: 25616558 Free PMC article.