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Cracking Under Internal Pressure: Photodynamic Behavior of Vinyl Azide Crystals Through N2 Release

Dylan J. Shields, Durga Prasad Karothu, Karthik Sambath,  R. A. A. Upul Ranaweera, Stefan Schramm, Alexander Duncan, Benjamin Duncan, Jeanette A. Krause, Anna D. Gudmundsdottir, Pance Naumov

Formation of Tertiary Triplet Alkylnitrene through alpha-Cleavage at Cryogenic Temperature

Org. Lett. 2020, asap
Upasana Banerjee, Sujan K. Sarkar, Jeanette. A. Krause, William L Karney, Manabu Abe,  Anna D. Gudmundsdottir
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Comparison of the Photochemistry of Acyclic and Cyclic 4-(4-Methoxy-Phenyl)-4-Oxo-but-2-Enoate Ester Derivatives

J. Phys. Chem. A, 2020, 124, 7346-7354
Sujan K. Sarkar, R. A. A. Upul Ranaweera, Rajkumar Merugu, Nayera M. Abdelaziz, Jendai Robinson, Heidi A. Day, Jeanette A. Krause, Anna D. Gudmundsdottir. 
Photochemistry_vol_47_Publicity_edited.j

Review of Laser Flash Photolysis of Organic Molecules (2015-2018)

  Photochemistry, 2019,  Volume 47, pages 70 - 121
Dylan J. Shields, Mrinal Chakraborty, Nayera Abdelaziz, Anju Duley and  Anna D. Gudmundsdottir.
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Formation and Reactivity of Triplet Vinylnitrenes as a Function of Ring Size

J. Org. Chem. 2019, 84, 14, 9215–9225
DeVonna M Gatlin, William L. Karney, Manabu Abe, Bruce S. Ault, Anna D. Gudmundsdottir
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Transforming Triplet Vinyl-nitrene into Triplet Alkyl-nitrene at Cryogenic Temperatures

Org. Lett. 2019, 21 , 7194-7198
Dylan J. Shields, Sujan K. Sarkar, H. Dushanee M. Sriyarathne, Jocelyn R. Brown, Curt Wentrup, Manabu Abe, Anna D. Gudmundsdottir
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Zoe Zorn's Supplementary Cover for Org. Lett.

Org. Lett. 2019, 21 , 7194-7198
Dylan J. Shields, Sujan K. Sarkar, H. Dushanee M. Sriyarathne, Jocelyn R. Brown, Curt Wentrup, Manabu Abe, Anna D. Gudmundsdottir
Figure10-43.jpg

Steric Demand and Rate‐determining Step for Photoenolization of Di‐ortho‐substituted Acetophenone Derivatives

Photochem. Photobiol. 2019, 95, 154-162
Anushree Das, Suma S. Thomas, August A. Garofoli, Kevin A. Chavez, Jeanette A. Krause, Cornelia Bohne, Anna D. Gudmundsdottir
nitrineSel-web_edited_edited_edited_edit

Triplet Vinylnitrenes in Nitrogen-rich Functional Groups

PATAI's Chemistry of Functional Groups
Upasana Banerjee, Kosala Thenna-Hewa, Anna D. Gudmundsdottir
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Photolysis of 5-Azido-3-Phenylisoxazole at Cryogenic Temperature: Formation and Direct Detection of a Nitrosoalkene

Molecules 2020, 25(3), 543
Dylan J. Shields, Durga Prasad Karothu, Karthik Sambath,  R. A. A. Upul Ranaweera, Stefan Schramm, Alexander Duncan, Benjamin Duncan, Jeanette A. Krause, Anna D. Gudmundsdottir, Pance Naumov
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Preface “Structure, Spectroscopy and Chemistry of Reactive Intermediates

J. Mol. Struct., 2018, 1172, 1-2
Claudio M, Nunes, Anna D. Gudmundsdottir, Rui Fausto
1-s2.0-S0022286018304782-fx1_lrg.jpg

Wavelength-​dependent Photochemistry of 2-​Azidovinylbenzene and 2-Phenyl-​2H-​azirine

J. Mol. Struct., 2018, 1172, 94-101
Onyinye Osisioma, Mrinal Chakraborty, Bruce S. Ault, Anna D. Gudmundsdottir
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Capturing Conformation‐Dependent Photoreactivity of Crystalline 3‐Azido‐1,3‐diphenylisobutyrophenone

ChemPhotoChem, 2017, 1, 408-414
Karthik Sambath, Kosala R. S. Thenna-Hewa, Dylan J. Shields, Jihano Liu, Jeanette A. Krause, Anna D. Gudmundsdottir
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Org. Biomol. Chem. 2017, 15(35), 7380-7386
Onyinye Osisioma, Mrinal Chakraborty, Bruce S. Ault, Anna D. Gudmundsdottir
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Aust. J. Chem. 2017, 70(4), 413-420
Geethika K. Weragoda, Anushree Das, Sujan K. Sarkar,  H Dushanee M. Sriyarathne, Xiaoming Zhang,  Bruce S. Ault, Anna D. Gudmundsdottir
ja-2016-05746c_0002_edited.jpg
J. Am. Chem. Soc. 2016, 138(45), 14905-14914
Sujan K. Sarkar, Onyinye Osisioma, William L Karney, Manabu Abe, Anna D. Gudmundsdottir
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Photoenolization of o-​Methylvalerophenone Ester Derivative

Photochem. Photobio. 2016, 92, 388-398
Anushree Das, Emily A. Lao, Anna D. Gudmundsdottir
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Formation and Direct Detection of Non-Conjugated Triplet 1,2-Biradical from β,γ-Vinylarylketone

Aust. J. Chem. 2015, 68, 1707-1714
H. Dushanee M. Sriyarathne, Kosala R. S. Thenna-Hewa, Tianeka Scott, Anna D. Gudmundsdottir
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Direct Detection of a Triplet Vinylnitrene, 1,4-Naphthoquinone-2-ylnitrene, in Solution and Cryogenic Matrices

J. Am. Chem. Soc. 2015, 137, 4207-4214
Sujan K. Sarkar, Asako Sawai, Kousei Kanahara, Curt Wentrup, Manabu Abe, Anna D. Gudmundsdottir
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Formation and Direct Detection of Non-Conjugated Triplet 1,2-Biradical from β,γ-Vinylarylketone

J. Phys. Chem. A,  2015, 119, 2834-2844
H. Dushanee M. Sriyarathne, Anna D. Gudmundsdottir, Bruce S. Ault
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Photolysis of acetophenone derivatives with α‐cyclopropyl substituents

J. Phys. Org. 2015, 28, 137-146
H. Dushanee M. Sriyarathne, Kosala R. S. Thenna-Hewa, Tianeka Scott, Anna D. Gudmundsdottir
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Phototautomerization on the Singlet and Triplet Surface in o-Hydroxyacetophenone Derivatives in Polar Solvents

J. Phys. Chem. B, 2014, 119, 2668-2676
Sujan K. Sarkar, Geethika K. Weragoda, R. A. A. Upul Ranaweera, Anna D. Gudmundsdottir
jo-2014-01898p_0024.gif

Triplet Sensitized Photolysis of a Vinyl Azide: Direct Detection of a Triplet Vinyl Azide and Nitrene

J. Org. Chem. 2014, 79, 9325-9334
Sridhar Rajam, Abhijit V. Jadhav, Qian Li, Sujan K. Sarkar, Pradeep N. D. Singh, Aleah Rohr, Tamara Pace, Rui Li, Jeanette A. Krause, Cornelia Bohne, Bruce S. Ault, Anna D. Gudmundsdottir
jp-2014-04174t_0012A.jpg

Trans–Cis Isomerization of Vinylketones through Triplet 1,2-Biradicals

J. Phys. Chem. A, 2014, 68, 1707-1714
R. A. A. Upul Ranaweera, Tianeka Scott, , Kosala R. S. Thenna-Hewa, Tianeka Scott, Anna D. Gudmundsdottir
417DgTh-eULA.jpg

Triplet Alkyl Nitrenes

Nitrenes and Nitrenium Ions
Sivaramakrishnan Muthukrishnan,  R. A. A. Upul Ranaweera, Anna D. Gudmundsdottir
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Comparison of the Photochemistry of 3-Methyl-2-phenyl-2H-azirine and 2-Methyl-3-phenyl-2H-azirine

J. Org. Chem.  2014, 68, 653-663
Xiaoming Zhang, Sujan K. Sarkar, Geethika K. Weragoda, Sridhar Rajam, Bruce S. Ault, Anna D. Gudmundsdottir
jo-2013-01819g_0023-B.jpg

Vinylnitrene Formation from 3,​5-​Diphenyl-​isoxazole and 3-​Benzoyl-​2-​phenylazirine

J. Org. Chem, 2013, 78, 11349-11356
Disnani W. Gamage, Qian Li, R. A. A. Upul Ranaweera, Sujan K. Sarkar. Geethika K Weragoda, Patrick L. Carr, Anna D. Gudmundsdottir
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The effects of H-bonding and sterics on the photoreactivity of a trimethyl butyrophenone derivative

Photochem. Photobiol. Sci. 2012, 11, 744-751
Qian Li, Jagadis Sankaranarayanan, Michael Hawk, Jessica L. Brown, Anna D. Gudmundsdottir
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Photolysis of (3-​Methyl-​2H-​azirin-​2-​yl)​-​phenylmethanone: Direct Detection of a Triplet Vinylnitrene Intermediate

J. Org. Chem. 2011, 76, 9934-9945
Sridhar Rajam, Rajesh S. Murthy, Abhijit V. Jadhav, Qian Li, Christopher Keller, Claudio Carra, Tamara C. S. Pace, Cornelia Bohne, Bruce S. Ault, Anna D. Gudmundsdottir
jo-2011-01304c_0027-A.jpg

Triplet-Sensitized Photoreactivity of a Geminal Diazidoalkane

J. Org. Chem. 2011, 76, 8177-8188
Ranaweera A. A. Upul Ranaweera, Jagadis Sankaranarayanan, Lydia Casey, Bruce S. Ault, Anna D. Gudmundsdottir
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J. Phys. Org. Chem, 2011, 24, 902-908
Ranaweera R. A. Upul Ranaweera, Sridhar Rajam, Anna D. Gudmundsdottir
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Comparison of Photoenolization and Alcohol Release from Alkyl-​Substituted Benzoyl Benzoic Esters

Can. J. Chem., 2011, 89, 331-338
Sivaramakrishnan Muthukrishnan, Tamara C. S. Pace, Qian Li, Gerdien de Jong, Cornelia Bohne, Anna D. Gudmundsdottir

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