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Paula Diaconescu

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Paula Diaconescu
Alma materUniversity of Bucharest (B.S.)
Massachusetts Institute of Technology (Ph.D.)
Scientific career
InstitutionsUniversity of California, Los Angeles
ThesisArene bridged diuranium compounds supported by amide and ketimide ligands (2003)
Doctoral advisorChristopher C. Cummins

Paula L. Diaconescu is a Romanian-American chemistry professor at the University of California, Los Angeles. She is known for her research on the synthesis of redox active transition metal complexes, the synthesis of lanthanide complexes, metal-induced small molecule activation, and polymerization reactions. She is a fellow of the American Association for the Advancement of Science.

Biography

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Diaconescu was born in Romania and received a Bachelor of Science degree from the University of Bucharest in 1998 conducting research on transition metal complexes and f-block metals.[1][2] In 2003, Diaconescu received a PhD in chemistry from the Massachusetts Institute of Technology working with Christopher C. Cummins on uranium chemistry.[3] Before joining the faculty at UCLA in 2005, she spent two years as a postdoctoral fellow at the California Institute of Technology with Robert Grubbs.[1][2]

Research

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While Diaconescu is best known for her work on the reactivity of early transition metals, lanthanides, and actinides, she has also contributed to the field of redox active ligand systems for small molecule activation. Her group has exploited ferrocene's electronic and redox properties to enable catalytic transformations with electrophilic transition metal centers.[4][5] Diaconescu's research on redox active systems is studying how ferrocene's electronic and redox properties when strategically incorporated into a ligand affect the reactivity of d-block metal complexes.[6] This extends to redox switchable catalysis and small molecule activation with applications in polyaniline nanofiber supporting metal catalysis and bioorganometallic polymers.[7][8] She recognized that redox-switchable catalysis can generate multiple catalytically active species with varying reactivity. The idea is that a compound can have orthogonal reactivity between the oxidized and reduced forms of the catalyst.[9] The ring-opening polymerization of cyclic ethers and esters as well as the polymerization of alkenes has been exploited with catalysts containing ferrocene.[10]

Selected publications

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  • Broderick, Erin M.; Guo, Neng; Vogel, Carola S.; Xu, Cuiling; Sutter, Jörg; Miller, Jeffrey T.; Meyer, Karsten; Mehrkhodavandi, Parisa; Diaconescu, Paula L. (22 June 2011). "Redox Control of a Ring-Opening Polymerization Catalyst". Journal of the American Chemical Society. 133 (24): 9278–9281. doi:10.1021/ja2036089. ISSN 0002-7863. PMID 21604745.
  • Diaconescu, Paula L.; Arnold, Polly L.; Baker, Thomas A.; Mindiola, Daniel J.; Cummins, Christopher C. (1 June 2000). "Arene-Bridged Diuranium Complexes: Inverted Sandwiches Supported by δ Backbonding". Journal of the American Chemical Society. 122 (25): 6108–6109. doi:10.1021/ja994484e. ISSN 0002-7863.
  • Broderick, Erin M.; Guo, Neng; Vogel, Carola S.; Xu, Cuiling; Sutter, Jörg; Miller, Jeffrey T.; Meyer, Karsten; Mehrkhodavandi, Parisa; Diaconescu, Paula L. (22 June 2011). "Redox Control of a Ring-Opening Polymerization Catalyst". Journal of the American Chemical Society. 133 (24): 9278–9281. doi:10.1021/ja2036089. ISSN 0002-7863. PMID 21604745.

Awards

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Diaconescu received a Sloan Fellowship in 2009,[11] and received the Humboldt Foundation's Friedrich Wilhelm Bessel Research Award in 2014.[12] In 2015, she was named a Guggenheim Fellow,[13] and Diaconescu was named a fellow of the American Association for the Advancement of Science in 2019.[14]

References

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  1. ^ a b "Diaconescu, Paula L." UCLA Chemistry & Biology.
  2. ^ a b "Diaconescu Group: About Paula".
  3. ^ Diaconescu, Paula L (2003). Arene bridged diuranium compounds supported by amide and ketimide ligands (Thesis). OCLC 53398747.
  4. ^ Monreal, Marisa J.; Diaconescu, Paula L. (2008-04-01). "A Weak Interaction between Iron and Uranium in Uranium Alkyl Complexes Supported by Ferrocene Diamide Ligands". Organometallics. 27 (8): 1702–1706. doi:10.1021/om700541u. ISSN 0276-7333.
  5. ^ Green, Aaron G.; Kiesz, Matthew D.; Oria, Jeremy V.; Elliott, Andrew G.; Buechler, Andrew K.; Hohenberger, Johannes; Meyer, Karsten; Zink, Jeffrey I.; Diaconescu, Paula L. (6 May 2013). "Characterization of an Iron–Ruthenium Interaction in a Ferrocene Diamide Complex". Inorganic Chemistry. 52 (9): 5603–5610. doi:10.1021/ic400773s. PMID 23600523.
  6. ^ Quan, Stephanie M.; Wang, Xinke; Zhang, Rongjia; Diaconescu, Paula L. (27 September 2016). "Redox Switchable Copolymerization of Cyclic Esters and Epoxides by a Zirconium Complex". Macromolecules. 49 (18): 6768–6778. Bibcode:2016MaMol..49.6768Q. doi:10.1021/acs.macromol.6b00997. ISSN 0024-9297. S2CID 99787169.
  7. ^ Abubekerov, Mark; Shepard, Scott M.; Diaconescu, Paula L. (June 2016). "Switchable Polymerization of Norbornene Derivatives by a Ferrocene-Palladium(II) Heteroscorpionate Complex". European Journal of Inorganic Chemistry. 2016 (15–16): 2634–2640. doi:10.1002/ejic.201501295. S2CID 59063300.
  8. ^ Shepard, Scott M.; Diaconescu, Paula L. (8 August 2016). "Redox-Switchable Hydroelementation of a Cobalt Complex Supported by a Ferrocene-Based Ligand". Organometallics. 35 (15): 2446–2453. doi:10.1021/acs.organomet.6b00317. ISSN 0276-7333.
  9. ^ Broderick, Erin M.; Guo, Neng; Wu, Tianpin; Vogel, Carola S.; Xu, Cuiling; Sutter, Jörg; Miller, Jeffrey T.; Meyer, Karsten; Cantat, Thibault; Diaconescu, Paula L. (2011-08-23). "Redox control of a polymerization catalyst by changing the oxidation state of the metal center". Chemical Communications. 47 (35): 9897–9899. doi:10.1039/C1CC13117F. ISSN 1364-548X. PMID 21818489.
  10. ^ Broderick, Erin M.; Guo, Neng; Vogel, Carola S.; Xu, Cuiling; Sutter, Jörg; Miller, Jeffrey T.; Meyer, Karsten; Mehrkhodavandi, Parisa; Diaconescu, Paula L. (2011-06-22). "Redox Control of a Ring-Opening Polymerization Catalyst". Journal of the American Chemical Society. 133 (24): 9278–9281. doi:10.1021/ja2036089. ISSN 0002-7863. PMID 21604745.
  11. ^ Ainsworth, Susan J. (March 23, 2009). "Sloan Foundation Names 2009 Fellows". cen.acs.org. Retrieved 2021-12-23.
  12. ^ "Paula Diaconescu joins ICF as Associate Editor – Inorganic Chemistry Frontiers Blog".
  13. ^ "John Simon Guggenheim Foundation | Paula L. Diaconescu". Retrieved 2021-12-23.
  14. ^ "AAAS Announces Leading Scientists Elected as 2019 Fellows American Association for the Advancement of Science". www.aaas.org. Retrieved 2021-12-23.
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