Photo of Alfredo Vargas

Alfredo Vargas
Senior Lecturer In Physical Chemistry (Chemistry)
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T: +44 (0)1273 873881


Selected publications

Article

Wang, Sunewang R, Arrowsmith, Merle, Braunschweig, Holger, Dewhurst, Rian D, Dömling, Michael, Mattock, James D, Pranckevicius, Conor and Vargas, Alfredo (2017) Monomeric 16-Electron π-Diborene Complexes of Zn(II) and Cd(II). Journal of the American Chemical Society, 139 (34). pp. 11629-12102. ISSN 1520-5126

Wang, Sunewang R, Arrowsmith, Merle, Böhnke, Julian, Braunschweig, Holger, Dellermann, Theresa, Dewhurst, Rian, Kelch, Hauke, Krummenacher, Ivo, Mattock, James D, Müssig, Jonas, Thiess, Thorsten, Vargas, Alfredo and Zhang, Jiji (2017) Engineering a small HOMO-LUMO gap and intramolecular C-H borylation by diborene/anthracene orbital intercalation. Angewandte Chemie International Edition, 56 (27). pp. 8009-8013. ISSN 1433-7851

Braunschweig, Holger, Dellerman, Theresa, Dewhurst, Rian D, Hupp, Benjamin, Kramer, Thomas, Mattock, James D, Mies, Jan, Phukan, Ashwini K, Steffen, Andreas and Vargas, Alfredo (2017) Strongly phosphorescent transition metal π complexes of boron-boron triple bonds. Journal of the American Chemical Society, 139 (13). pp. 4887-4893. ISSN 0002-7863

Braunschweig, Holger, Krummenacher, Ivo, Lichtenberg, Crispin, Mattock, James D, Schäfer, Marius, Schmidt, Uwe, Schneider, Christoph, Steffenhagen, Thomas, Ullrich, Stefan and Vargas, Alfredo (2017) Dibora[2]ferrocenophane: a carbene-stabilized diborene in a strained cis-configuration. Angewandte Chemie International Edition, 56 (3). pp. 889-892. ISSN 1521-3773

Bertermann, Rüdiger, Böhnke, Julian, Braunschweig, Holger, Dewhurst, Rian D, Kupfer, Thomas, Muessig, Jonas H, Pentecost, Leanne, Radacki, Krzysztof, Sen, Sakya S and Vargas, Alfredo (2016) Dynamic, reversible oxidative addition of highly polar bonds to a transition metal. Journal of the American Chemical Society, 138 (49). pp. 16140-16147. ISSN 1520-5126

Griffiths, Kieran, Kumar, Prashant, Mattock, James D, Abdul-Sada, Alaa, Pitak, Mateusz B, Coles, Simon J, Navarro, Oscar, Vargas, Alfredo and Kostakis, George E (2016) Efficient NiII2LnIII2 electrocyclization catalysts for the synthesis of trans-4,5-diaminocyclopent-2-enones from 2-furaldehyde and primary or secondary amines. Inorganic Chemistry, 55 (14). pp. 6988-6994. ISSN 0020-1669

Braunschweig, Holger, Demeshko, Serhiy, Ewing, William C, Krummenacher, Ivo, Macha, Bret B, Mattock, James D, Meyer, Franc, Mies, Jan, Schäfer, Marius and Vargas, Alfredo (2016) A bimetallic 1,1’-bis(boratabenzene) complex: unprecedented intramolecular metal-metal communication through a B-B bond. Angewandte Chemie International Edition, 55 (27). pp. 7708-7711. ISSN 1521-3773

Braunschweig, Holger, Krummenacher, Ivo, Mailänder, Lisa, Pentecost, Leanne and Vargas, Alfredo (2016) Formation of a stable radical by oxidation of a tetraorganoborate. Chemical Communications, 43. pp. 7005-7008. ISSN 1359-7345

Braunschweig, Holger, Constantinidis, Philipp, Dellermann, Theresa, Ewing, William C, Fischer, Ingo, Hess, Merlin, Knight, Fergus R, Nejman, Phillip, Rempel, Anna, Schneider, Christoph, Ullrich, Stefan, Vargas, Alfredo and Wollins, J. Derek (2016) Highly strained heterocycles constructed from Boron-Boron multiple bonds and heavy chalcogens. Angewandte Chemie International Edition, 55 (18). pp. 5606-5609. ISSN 1521-3773

Arnold, Nicole, Braunschweig, Holger, Damme, Alexander, Dewhurst, Rian D, Pentecost, Leanne, Radacki, Krzysztof, Stellwag-Konertz, Sascha, Thiess, Torsten, Trumpp, Alexandra and Vargas, Alfredo (2016) New outcomes of Lewis base addition to diboranes(4): electronic effects override strong steric disincentives. Chemical Communications, 52 (27). pp. 4898-4901. ISSN 1359-7345

Griffiths, Kieran, Dokorou, Vassiliki N, Spencer, John, Abdul-Sada, Alaa, Vargas, Alfredo and Kostakis, George E (2016) Isoskeletal Schiff base polynuclear coordination clusters: synthetic and theoretical aspects. CrystEngComm, 18 (5). pp. 704-713. ISSN 1466-8033

Braunschweig, Holger, Dewhurst, Rian D, Pentecost, Leanne, Radacki, Krzysztof, Vargas, Alfredo and Ye, Qing (2016) Dative bonding between group 13 elements using a boron-centered Lewis base. Angewandte Chemie International Edition, 55 (1). pp. 436-440. ISSN 1433-7851

Braunschweig, Holger, Ewing, William C, Ghosh, Sundargopal, Kramer, Thomas, Mattock, James D, Östreicher, Sebastian, Vargas, Alfredo and Werner, Christine (2016) Trimetallaborides as starting points for the syntheses of large metal-rich molecular borides and clusters. Chemical Science, 7. pp. 109-116. ISSN 2041-6539

Mattock, James D, Vargas, Alfredo and Dewhurst, Rian D (2015) Identification of a lead candidate in the search for carbene-stabilized homoaromatics. Chemistry - A European Journal, 21. pp. 16968-16974. ISSN 1521-3765

Bertermann, Rüdiger, Braunschweig, Holger, Constantinidis, Philipp, Dellermann, Theresa, Dewhurst, Rian D, Ewing, William C, Fischer, Ingo, Kramer, Thomas, Mies, Jan, Phukan, Ashwini K and Vargas, Alfredo (2015) Exclusive π encapsulation of light alkali metal cations by a neutral molecule. Angewandte Chemie International Edition, 54 (44). pp. 13090-13094. ISSN 1521-3773

Braunschweig, Holger, Ewing, William C, Kramer, Thomas, Mattock, James D, Vargas, Alfredo and Werner, Christine (2015) Organometallic probe for the electronics of base-stabilized group 11 metal cations. Chemistry - A European Journal, 21 (35). pp. 12347-12356. ISSN 0947-6539

Braunschweig, Holger, Dewhurst, Rian D, Hupp, Florian, Nutz, Marco, Radacki, Krzysztof, Tate, Christopher W, Vargas, Alfredo and Ye, Qing (2015) Multiple complexation of CO and related ligands to a main group element. Nature, 522. pp. 327-330. ISSN 0028-0836

Griffiths, Kieran, Gallop, Christopher W D, Abdul-Sada, Alaa, Vargas, Alfredo, Navarro, Oscar and Kostakis, George E (2015) Heteronuclear 3 d/DyIII coordination clusters as catalysts in a domino reaction. Chemistry - A European Journal, 21 (17). pp. 6358-6361. ISSN 0947-6539

Böhnke, Julian, Braunschweig, Holger, Dellermann, Theresa, Ewing, William C., Kramer, Thomas, Krummenacher, Ivo and Vargas, Alfredo (2015) From an electron-rich diborane to an electron-poor diborene. Angewandte Chemie International Edition, 54 (15). pp. 4469-4473. ISSN 1433-7851

Bissinger, Philipp, Steffen, Andreas, Vargas, Alfredo, Dewhurst, Rian D, Damme, Alexander and Braunschweig, Holger (2015) Unprecedented luminescence behavior of coinage metal π-diborene complexes. Angewandte Chemie International Edition, 54 (14). pp. 4362-4366. ISSN 1521-3773

Braunschweig, Holger, Damme, Alexander, Dewhurst, Rian D, Kelch, Hauke, Macha, Bret B, Radacki, Krzysztof, Vargas, Alfredo and Ye, Qing (2015) Platinum trans-bis(borirene) complexes displaying coplanarity and communication across a platinum metal center. Chemistry - A European Journal, 21 (6). pp. 2377-2386. ISSN 1521-3765

Braunschweig, Holger, Ghosh, Sundargopal, Jimenez-Halla, J Oscar C, Klein, Johannes H, Lambert, Christoph, Radacki, Krzysztof, Steffen, Andreas, Vargas, Alfredo and Wahler, Johannes (2015) A combined experimental and theoretical study on the isomers of 2,3,4,5-tetracarba-nido-hexaborane(6) derivatives and their photophysical properties. Chemistry - A European Journal, 21 (1). pp. 210-218. ISSN 1521-3765

Böhnke, Julian, Braunschweig, Holger, Constantinidis, Philipp, Dellermann, Theresa, Ewing, William C, Fischer, Ingo, Hammond, Kai, Hupp, Florian, Mies, Jan, Schmitt, Hans-Christian and Vargas, Alfredo (2015) Experimental assessment of the strengths of boron-boron triple bonds. Journal of the American Chemical Society, 137 (5). pp. 1766-1769. ISSN 1520-5126

Böhnke, Julian, Braunschweig, Holger, Ewing, William C, Hörl, Christian, Kramer, Thomas, Krummenacher, Ivo, Mies, Jan and Vargas, Alfredo (2014) Diborabutatriene: an electron deficient cumulene. Angewandte Chemie International Edition, 53 (34). pp. 9082-9085. ISSN 1433-7851

Braunschweig, Holger, Ye, Qing, Vargas, Alfredo, Dewhurst, Rian D and Hupp, Florian (2014) Complete and partial 1,2-additions across transition metal-boron double bonds. Journal of the American Chemical Society. ISSN 1520-5126

Bissinger, Philipp, Braunschweig, Holger, Damme, Alexander, Kupfer, Thomas, Krummenacher, Ivo and Vargas, Alfredo (2014) Boron radical cations: facile oxidation of electron rich diborenes. Angewandte Chemie International Edition, 53 (22). pp. 5689-5693. ISSN 1433-7851

Braunschweig, Holger, Dewhurst, Rian D, Radacki, Krzysztof, Tate, Christopher W and Vargas, Alfredo (2014) Trihapto ligation of a borirene to a single metal atom: a heterocyclic analogue of the η3-cyclopropenyl ligand. Angewandte Chemie International Edition, 53 (24). pp. 6263-6266. ISSN 1521-3773

Bertsch, Stefanie, Bertermann, Rüdiger, Braunschweig, Holger, Damme, Alexander, Dewhurst, Rian D, Phukan, Ashwini K, Saalfrank, Christian, Vargas, Alfredo, Wennemann, Benedikt and Ye, Qing (2014) Metal-only Lewis pairs by reversible insertion of ruthenium and osmium fragments into metal–boron double bonds. Angewandte Chemie International Edition, 53 (16). pp. 4240-4243. ISSN 1433-7851

Berterman, Rüdiger, Braunschweig, Holger, Ewing, William C, Kramer, Thomas, Phukan, Ashwini K, Vargas, Alfredo and Werner, Christine (2014) Synthesis and characterization of a mercury-containing metalloborylene. Chemical Communications, 50. pp. 5729-5732. ISSN 1359-7345

Braunschweig, Holger, Dellermann, Theresa, Dewhurst, Rian D, Mies, Jan, Radacki, Krzysztof, Stellwag-Konertz, Sascha and Vargas, Alfredo (2014) Strained ansa half-sandwich complexes of ruthenium and osmium and a non-iron metallopolymer by ring-opening polymerization. Organometallics, 33 (7). pp. 1536-1539. ISSN 1520-6041

Braunschweig, Holger, Dellermann, Theresa, Dewhurst, Rian D, Ewing, William C, Hammond, Kai, Jimenez-Halla, J Oscar C, Kramer, Thomas, Krummenacher, Ivo, Mies, Jan, Phukan, Ashwini K and Vargas, Alfredo (2013) Metal-free binding and coupling of carbon monoxide at a boron-boron triple bond. Nature Chemistry, 5. pp. 1025-1028. ISSN 1755-4330

Vargas, Alfredo, Krivokapic, Itana, Hauser, Andreas and Lawson Daku, Latévi Max (2013) Towards accurate estimates of the spin-state energetics of spin-crossover complexes within density functional theory: a comparative case study of cobalt(II) complexes. Physical Chemistry Chemical Physics, 15. pp. 3752-3763. ISSN 1463-9076

Braunschweig, Holger, Damme, Alexander, Dewhurst, Rian D and Vargas, Alfredo (2013) Bond-strengthening π backdonation in a transition-metal π-diborene complex. Nature Chemistry, 5. pp. 115-121. ISSN 1755-4330

Braunschweig, Holger, Dewhurst, Rian D, Hammond, Kai, Mies, Jan, Radacki, Krzysztof and Vargas, Alfredo (2012) Ambient-temperature isolation of a compound with a Boron-Boron triple bond. Science, 336 (6087). pp. 1420-1422. ISSN 0193-4511

Braunschweig, Holger, Brenner, Peter, Dewhurst, Rian D, Krummenacher, Ivo, Pfaffinger, Bernd and Vargas, Alfredo (2012) Unsupported boron–carbon σ-coordination to platinum as an isolable snapshot of σ-bond activation. Nature Communications, 3 (872). ISSN 2041-1723

Braunschweig, Holger, Ye, Qing, Vargas, Alfredo, Dewhurst, Rian D, Radacki, Krzysztof and Damme, Alexander (2012) Controlled homocatenation of boron on a transition metal. Nature Chemistry, 4. pp. 563-567. ISSN 1755-4330