Gudmundsdottir, Anna - University of Cincinnati

个人简介

Anna Gudmundsdottir is a Professor of Chemisty at the University of Cincinnati. She is a physical organic chemist with research interest in reactive intermediates, triplet nitrenes, radicals, reaction mechanisms, organic photochemistry, photoremovable protecting groups, solid state photoreactions and materials science. After earning a BS degree from the University of Iceland, she obtained a M.Sc. and PhD from the University of British Columbia. She did her PhD dissertation with Professor J. R. Scheffer, studying asymmetric induction in the solid state. In 1994-95, she was a visiting scientist with Professor P. J. Wagner at the Michigan State University and investigated photoinduced radical cleavage reactions. Between 1996 and 1998, she was a NATO postdoctoral fellow with Professor M. S. Platz at The Ohio State University, studying reactive intermediates. In 1998, she joined the faculty at the University of Cincinnati. She studies reactive intermediates in solution and in the solid state, polyanilines and photoreleasable protecting groups for controlling photorelease in various applications. She was awarded an NSF CAREER Award (2001-2006) for her research on triplet alkyl nitrenes in solution and the solid state. Better understanding of these intermediates in the solid state is expected to lead to better design of organic crystals for new materials. Possible applications include photolithography, photoaffinity labels for biological molecules, and organic magnets.

研究领域

Reactive Intermediates, Triplet Nitrenes, Biradicals Transient Spectroscopy in solution and nanocrystals Photoremovable Protecting Groups Reaction Mechanisms Solid State Photochemistry DFT calculations Sunscreens Excited State Hydrogen Transfer Photenolization

近期论文

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Direct Detection of a Triplet Vinylnitrene, 1,4-Naphthoquinone-2-ylnitrene, in Solution and Cryogenic Matrices. Sarkar, Sawai, A.; Kanahara, K.; Wentrup, C.; Abe, M.; Gudmundsdottir, A. D. J. Am. Chem. Soc. 2015, 137, 4207-4214. Infrared Matrix Isolation Study of Thermal and Photochemical Reaction of Ozone with Trimethylgallimum. H. D. M. Sriyarathen, Gudmundsdottir, A. D.; Ault, B. S. J. Phys. Chem. A, 2015, 119, 2834-2844. Phototautomerization on the Singlet and Triplet Surface in o-Hydroxyacetophenone Derivatives in Polar Solvents. Sarkar, S. K.; Weragoda, G. K.; Ranaweera, R. A. A. U.; Gudmundsdottir, A. D. J. Phys. Chem. B.; 2015, 119, 2668-2676. Photolysis of Acetophenone Derivatives with alpha-Cyclopropyl Substituents. Ranaweera, R. A. A. U. Weragoda, G. K.; Bain, J.; Watanabe, S.; Abe, M.; Gudmundsdottir, A. D. J. Phys. Org. Chem. 2015, 28, 137-146. Prefeace to a Special Issue: International Symposium on Reactive Intermediates and Unusual Molecules (ISRIUM), Hiroshima Japan, April 2014. J. Phys. Org. Chem. 2015, 28, 70. Trans-Cis Isomerization of Vinylketones through Triplet 1,2-Biradicals. Ranaweera, R. A. A. U. Scott, T.; Li, Q.; Rajam, S.; Duncan, A.; Li, R.; Evans, A.; Bohne, C.; Toscano, J. P.; Ault, B. S.; Gudmundsdottir, A. D. J. Phys. Chem. A, 2014. ASAP Triplet Sensitized Photolysis of a Vinyl Azide: Direct Detection of a Triplet Vinyl Azide and Nitrene. Rajam, S.; Jadhav, A. V.; Li, Q.; Sarkar, K.; Singh, P. N. D.; Rohr, A.; Pace, T. C. S.; Li, R.; Krause, J. A.; Bohne, C.; Ault, B.; Gudmundsdottir, A. D. J. Org. Chem. 2014, 79, 9325. Comparison of the Photochemistry of 3-Methyl-2-phenyl-2H-azirine and 2-Methyl-3-phenyl-2H-azirine. Zhang, X.; Sarkar, S.K.; Weragoda, G. K. Rajam, S.; Ault, B. S.; Gudmundsdottir, A. D. J. Org. Chem., 2014, 79, 653-663. Nitrenes and Nitrenium Ions. Eds: Falvey, D. E.; Gudmundsdottir A. D., Wiley Ser. React. Intermed. Chem. Biol., 2013; 6, John Wiley & Sons, Inc., 2013. Triplet alkyl Nitrenes. Muthukrishnan, S.; Ranaweera R. A. A. U.; Gudmundsdottir, A. D. In Nitrenes and Nitrenium Ions. Eds: Falvey, D. E.; Gudmundsdottir A. D., Wiley Ser. React. Intermed. Chem. Biol., 2013, 6, 167-189. Vinylnitrene Formation from 3,5-Diphenyl-isoxazole and 3-Benzoyl-2-phenylazirine. Gamage, D. W.; Li, Q.; Ranaweera, R. A. A. U.; Sarkar, S. K.; Weragoda, G. K.; Carr, P. L.; Gudmundsdottir, A. D. J. Org. Chem., 2013, 78, 11349-11356. Matrix Isolation Study of the Ozonolysis of 1,3- and 1,4-Cyclohexadiene: Identification of Novel Reaction Pathways. Pinelo, L.; Gudmundsdottir, A. D.; Ault, B. S. J. Phys. Chem. A, 2013, 117, 4174-4182. Photoenolization and its Applications. Klan, P.; Wirz, J.; Gudmundsdottir, A. D. CRC Handbook of Organic Photochemistry & Photobiology. 3rd Ed, 2012, 1, 627-653. Eds. Griesbeck, A.; Oelgemoller, M.; Ghetti, F. CRC Press, Boca Raton, Florida. The Effects of H-bonding and Sterics on the Photoreactivity of a Trimethyl Butyrophenone Derivative. Li, Q.; Sankaranarayanan, J.; Hawk, M.; Tran, V. T.; Brown, J. L.; Gudmundsdottir, A.D. Photochem. & Photobio. Sci. 2012, 11(4), 744-751 Triplet-Sensitized Photoreactivity of a Geminal Diazidoalkane. Ranaweera, R A. A. U.; Sankaranarayanan, J.; Casey, L.; Ault, B.S.; Gudmundsdottir, A. D. J. Org. Chem. 2011, 76(20), 8177-8188. Phenylethanol Derivatives as Triplet Sensitizers for 1-Azidoadamantane. Ranaweera, R. A. A. U.; Rajam, S.; Gudmundsdottir, A. D. J. Phys. Org. Chem. 2011, 24(10), 902-908. Comparison of Photoenolization and Alcohol Release from Alkyl Substituted Benzoyl Benzoic Esters. Muthukrishnan, S.; Pace, T. C. S.; Li, Q.; Seok, B.; de Jong, G.; Bohne C.; .Gudmundsdottir, A. D. Can. J. Chem. 2011, 89(3), 331-338. Special Issue to Honor Professor J. C. Scaiano. Photolysis of (3-Methyl-2H-azirin-2-yl)-phenylmethanone: Direct Detection of a Triplet Vinylnitrene Intermediate. Rajam, S.; Murthy, R. S.; Jadhav, A. V.; Li, Q.; Keller, C.; Carra, C.; Pace, T. C. S.; Bohne, C.; Ault, B. S.; Gudmundsdottir, A. D. J. Org. Chem. 2011, 76(24), 9934-9945.