Publications
Publications (2006-present) as independent investigator: 2024 | 2023 | 2022 |2021 | 2020 | 2019 | 2018 | 2017 | 2016| 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008
Publications during doctoral (1998-2003) and post-doctoral (2003-2006) studies: | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
2024 | back to top |
114. Goti, G.; Dell’ Amico, L.; Manal, K.; Sivaguru, J. The impact of UV-light on synthetic photochemistry and photocatalysis – Pride and prejudice. Nature Chem. 2024, in press. https://doi.org/10.1038/s41557-024-01472-6
113. Ji, k.; Parthiban, P.; Jockusch, S.; Sivaguru, J.; Porco Jr., J. A.Triple-Dearomative Photocycloaddition – A Strategy to Construct Caged Molecular Frameworks. J. Am. Chem. Soc., 2024, ASAP. https://doi.org/10.1021/jacs.4c02674
112. Ghosh, S. K.; Valloli, L. K.; Unny, D.; Sivaguru, J.; Jockusch, S.; Ramamurthy, V. Room Temperature Phosphorescence of Thiocoumarinsin Aqueous Solution Promoted by Octa Acid Inclusion. J. Photochem. Photobiol. A. Chem. 2024, 451, 115510. (Feature Article) https://doi.org/10.1016/j.jphotochem.2024.115510
111. Singathi, R.; Baburaj, S.; Carroll, G. T.; Jockusch, S.; Sivaguru, J. Visible Visible Light Active Biomass Derived Benzoin Photoinitiators for Energy Curing Applications. Polymer Chem., 2024, 15, 878 DOI: 10.1039/d3py01029e
110. Khadka, D.; Valloli, L. K.; Ramamurthy, V.; Sivaguru, J. Confinement Directed Photoreactivity of β-Enaminones. J. Photochem. Photobiol. A. Chem. 2024, 446, 115175. DOI https://doi.org/10.1016/j.jphotochem.2023.115175
2023 | back to top |
109. Ahuja, S.; Baburaj, S.; Valloli, L. K.; Rakhimov, S. A.; Manal, K.; Kushwaha, A.; Jockusch, S.; Forbes, M. D. E.; Sivaguru, J.* Photochemical [2+4]-Dimerization Reaction From The Excited State Angew. Chem. Int. Ed. 2023, DOI:https://doi.org/10.1002/anie.202316662 in press.
108. Valloli, L. K.; Manal, K.; Lewis, B.; Jockusch, S.; Sivaguru, J. Chemoselective light induced reactivity of beta-enaminones. Photochem. Photobiol. 2023, DOI: 10.1111/php.13889 (manuscript as part of the Photochemistry in India special issue).
107. Garg, D.; Parthiban, J.; Manal, K.; Kushwaha, A. Sivaguru, J.; Guiding Excited State Reactivity – The journey from Paternò–Büchi reaction to Transposed and Aza Paternò–Büchi reaction. RSC Special Periodical Reports, 2023, 51, accepted for publication. DOI: 10.1039/1465-1947; and 10.1039/9781837672301-00558
106. Rakhimov, S. A.; Forbes, D. E.; Sivaguru, J.* Deciphering mechanism of Excited State Reactivity by EPR Spectroscopy: The case of aryl-maleimides. J. Photochem. Photobiol., 2023, 18, 100207. DOI: https://doi.org/10.1016/j.jpap.2023.100207
105. Baburaj, S., Parthiban, J., Rakhimov, S.A., Johnson, R., Sukhomlinova, L., Luchette, P., Jockusch, S., Forbes, M.D.E. and Sivaguru, J, Modulating Photochemical Properties to Enhance the Stability of Electronically Dimmable Eye Protection Devices. Photochem. Photobiol. 2023, 99: 901–905. . DOI: https://doi.org/10.1111/php.13795
2022 | back to top |
104. Singathi, R.; Raghunathan, R.; Krishnan, R.; Rajendran, S.; Sibi, M. P.; Webster, D. Sivaguru, J. Towards Upcycling Biomass-Derived Crosslinked Polymers with Light. Angew. Chem. Int. Ed. 2022, 61, e202203353. DOI: doi.org/10.1002/anie.202203353
103. Kandappa, S.; Ahuja, S.; Singhati, R.; Sivaguru, J.* Using Restricted Bond Rotation to Enforce Excited State Behavior of Organic Molecules. Syn. Lett., 2022, 33. 1123-1134. (invited Accounts article) DOI: 10.1055/a-1785-6910.
102. Singathi, R.; Baburaj, S.; Valloli, L. K.; Parthiban, J.; Sivaguru, J.: Chirogenesis in Photochemistry. In Chirogenesis in Chemical Science; WORLD SCIENTIFIC: Place Published, 2022; pp. 349-427. https://doi.org/10.1142/9789811259227_0007.
101. Baburaj, S.; Valloli, L. K.; Parthiban, J.; Garg, D.; Sivaguru, J.* Manipulating Excited State Reactivity and Selectivity Through Hydrogen Bonding – From Solid-State Reactivity to BrØnsted Acid Photocatalysis. Chem. Commun., 2022, 58, 1871 – 1880 DOI:https://doi.org/10.1039/D1CC06128C (Feature Article; Part of the themed collection:Functional Supramolecular Photochemistry).
100. Sivaguru, J.*, Bach, T.; Ramamurthy, V.; Keeping the name clean: [2+2] Photocycloaddition. Photochem. Photobiol. Sci. 2022, 21, 1333–1340. DOI: https://doi.org/10.1007/s43630-022-00239-7.
2021 | back to top |
99. Kandappa, S.; Kumarasamy, E.; Singhati, R.; Valloli, L. K.; Ugrinov, A.; Sivaguru, J.* Chemoselective Photoreaction of Enamides – Divergent reactivity towards [3+2]-photocycloaddition vs Paternò-Büchi reaction. Photochem. Photobiol., 2021, 97(6), 1391-1396.https://doi.org/10.1111/php.13489 (Edward Clennan Special issue)
98. Kandappa, S. K.; Valloli, L. K.; Jockusch, S.; Sivaguru, J.* “Uncovering new excited state photochemical reactivity by altering the course of the De Mayo reaction” J. Am. Chem. Soc., 2021, 143, 3677−3681. (DOI: https://doi.org/10.1021/jacs.0c12099).
97. Martin, M. A.; Sivaguru, J.*; McEvoy, J.; Sonthiphand, P.; Khan, E. Photolytic Fate of (E)- and (Z)- Endoxifen in Water and Treated Wastewater Exposed to Sunlight. Environ. Res., 2021, 197, 111121 (DOI: https://doi.org/10.1016/j.envres.2021.111121)
96. Kandappa, S. K.; Valloli, L. K.; Ahuja, S.; Parthiban, J.; Sivaguru, J. Taming the excited state reactivity of imines – from non-radiative decay to aza Paternò–Büchi reaction. Chem. Soc. Rev. 2021, 50, 1617-1641. DOI: 10.1039/d0cs00717j (Featured as Back Cover https://doi.org/10.1039/D1CS90014E)
2020 | back to top |
95. Ahuja, S.; Jockusch, S.; Ugrinov, A.; Sivaguru, J.* Energy Transfer Catalysis by Visible Light: Atrop- and Regio-selective Intermolecular [2+2]-Photocycloaddition of Maleimide with Alkenes. Eur. J. Org. Chem. 2020, 1478–1481 (DOI: 10.1002/ejoc.201901157; Special issue on photochemical synthesis – invited article).
94. Martin, M. A.; Sivaguru, J.*; McEvoy, J.; Sonthiphand, P.; Delorme, A.; Khan, E. Photodegradation of (E)- and (Z)-Endoxifen in Water by Ultraviolet Light: Efficiency, Kinetics, By-Products, and Toxicity Assessment. Water Research 171 (2020) 115451 (DOI: 1016/j.watres.2019.115451)
93. R. Marshall Wison, Obituary, J. Photochem. Photobiol. A: Chem., 2020, 393, 112453 (DOI: 10.1016/j.jphotochem.2020.112453)
2019 | back to top |
92. Iyer, A; Ugrinov, A.; Sivaguru, J.* Understanding conformational preferences of atropisomeric hydrazides and its influence on excited state transformations in crystalline media. Molecules, 2019, 24, 3001. DOI: 10.3390/molecules24163001. (invited article for supramolecular chemistry special issue).
91. Liu, W. -Q.; Lei, T.; Zhou, S.; Yang, X. –L.; Li, J.; Chen, B.; Sivaguru, J.; Tung, C. -H.;b Wu, L. -Z. Cobaloxime Catalysis: Selective Synthesis of Alkenylphosphine Oxides under Visible Light. J. Am. Chem. Soc., 2019,141, 13941−13947.(DOI: 10.1021/jacs.9b06920).
90. Ahuja, S.; Iyer, A; Kandappa, S. K.; Sivaguru, J.* Intramolecular Cross [2+2]-Photocycloaddition of Oxazolidinone Based Hydrazides by Energy Transfer Catalysis, J. Photochem. Photobiol.Sci., A. Chem. 2019, 382, 111883. (Rajendra Rathore Special Issue).
89. Wen, S.; Boyce, J. H.; Kandappa, S. K.; Sivaguru, J;* Porco, J* Regiodivergent Photocyclization of Dearomatized Acylphloroglucinols: Asymmetric Syntheses of (–)-Nemorosone and (–)-6-epi-Garcimultiflorone A. J. Am. Chem. Soc., 2019, 141, 11315-11321. (DOI: https://doi.org/10.1021/jacs.9b05600)
88. Hong, S.; Ratpukdi, T.; Sivaguru, J.; Khan, E. A sustainable solution for removal of glutaraldehyde in saline water with visible light photocatalysis, Chemosphere, 2019, 220, 1083-1090. DOI: 10.1016/j.chemosphere.2018.12.216
87. Raghunathan, R.; Kumarasamy, E.; Sibi, M. P. Sivaguru, J.* Non-biaryl atropisomers: Atropisomeric anilides, amides, lactumsand analogues with c-c and c-x stereogenic center. In Atropoisomerism and Axial Chirality, Edited by Lassaletta, J. M.; ImperialCollege Press, 2019. In press. DOI: 10.1142/q0192
2018 | back to top |
86. Ahuja, S.; Raghunathan, R.; Kumarasamy, E.; Jockusch, S.; Sivaguru, J. Realizing the Photoene Reaction with Alkenes under Visible Light Irradiation and Bypassing the Favored [2 + 2]-Photocycloaddition J. Am. Chem. Soc., 2018, 140, 13185–13189
85. Iyer, A; Ahuja, S.; Jockusch, S.; Ugrinov, A.; Sivaguru, J.* Conjugate addition from the excited state Chem. Commun., 2018, 54, 11021-11024. (DOI: 10.1039/c8cc05924a)
84. Hong, S.; Ratpukdi, T.; Sivaguru, J.; Khan, E. Photolysis of glutaraldehyde in brine: A showcase study for removal of a common biocide in oil and gas produced water. J. Hazad. Mater. 2018, 353, 254-260. (DOI: j.jhazmat.2018.03.056)
83. Clay, A.; Singathi, R.; Krishnan, R.; Jockusch, S.; Webster; D. Sibi, M. P.; Sivaguru, J. Photoacidity of Vanilin derivatives. J. Photochem. Photobiol. A. Chem., 2018, 355, 38-41 (Chen-Ho Tung Special Issue; DOI: 10.1016/j.jphotochem.2017.11.039).
82. Pattabiraman, M.; Sivaguru, J.;* Ramamurthy, V. Selective Photocycloaddition of Alkenes in Confined Spaces: A Comparison between Cucurbiturils, Cyclodextrins, and Calixarenes as Reaction Containers. Isr. J. Chem.2018, 58, 264. (DOI: 10.1002/ijch.201700100)
2017 | back to top |
81. Wang, W; Clay, A; Krishnan, R; Lajkiewicz, N; Sivaguru, J;* Porco, J* Total Syntheses of the Aglain Natural Products Foveoglin A and Perviridisin B via selective ESIPT Photocycloaddition. Angew. Chem. Int. Ed., 2017, 56, 14479 –14482. (accepted; DOI: 10.1002/anie.201707539 and 10.1002/ange.201707539). (Highlighted in Synfacts 2018, 14, 0005).
80. Brown, S. L.; Krishnan, R.; Elbaradei, A.; Sivaguru, J.; Sibi, M. P.; Hobbie, E. K.“Origin of Stretched-Exponential Photoluminescence Relaxation in Size-Separated Silicon Nanocrystals, AIP Advances, 2017, 7, 55314. (doi:http://dx.doi.org/10.1063/1.4984608).
79. Iyer, A; Clay, A. C.; Jockusch, S.; Sivaguru, J.*.Evaluating brominated thioxanthones as organo-photocatalysts, J. Phy. Org. Chem., 2017, 30:e3738. (Waldemar Adam Special Issue; DOI: 10.1002/poc.3738)
78. Kumarasamy, E.; Kandappa, S.; Raghunathan, R.; Jockusch, S.; Sivaguru, J.* Realizing Aza Paternò-Büchi reaction” Angew. Chem. Int. Ed. 2017, 56, 7056 –7061. (Frontispiece; DOI: 10.1002/anie.201702273R2 and 10.1002/ange.201702273R2).
77. Kumarasamy, E; Raghunathan, R.; Kandappa, S. K.; Sreenithya, A.; Jockusch, S.; Sunoj, R. B.; Sivaguru, J. Transposed Paterno−̀ Büchi Reaction. J. Am. Chem. Soc. 2017, 139, 655−662. (DOI: 10.1021/jacs.6b05936 )
76. Isola, C.; Sieverding, H. L.; Raghunathan, R.; Sibi, M. P.; Webster, D. C.; Sivaguru, J.; Stone, J. J. Life cycle assessment of photodegradable polymeric material derived from renewable bioresources J. Clean. Prod. 2017, 142, 2935-2944 (DOI: 10.1016/j.jclepro.2016.10.177)
75. Iyer, A; Jockusch, S.; Sivaguru, J.* A photo-auxiliary approach – enabling excited state classical phototransformations with metal free visible light irradiation. Chem. Commun. 2017, 53,1692-1695.(DOI: 10.1039/c6cc09261f)
2016 | back to top |
74. Kumarasamy, E; Ayitou, A. J. -L.; Vallavoju, N.; Raghunathan, R.; Iyer, A.; Clay, A.; Kandappa, S.; Sivaguru, J.* Tale of Twisted Molecules: Taming Asymmetric phototransformations through non-biaryl atropisomers. Acc. Chem. Res. 2016. 49, 2713−2724. (DOI: 10.1021/acs.accounts.6b00357)
73. Sieverding, H. L.; Clay, D. E.; Khan, E.; Sivaguru, J.; Pattabiraman, M.; Koodali, R. T.; Ndiva-Mongoh, M.; Stone, J. J. A Sustainable Rural Food–Energy–Water Nexus Framework for the Northern Great Plains. Agric. Environ. Lett. 2016, 1(2016), 1-4. (1:160008. doi:10.2134/ael2016.02.0008)
72. Srinivasan, G.; Hoey, J.; Anderson, K.; Frohlich, M. T.; Krishnan, R.; Sivaguru, J.; Sibi, M. P. Boudjok. P. “Synthesis of Silicon Quantum Dots using Cyclohexasilane (Si6H12)” J. Mater. Chem. C, 2016, 4, 8206-8213 (10.1039/C6TC01435F).
71. Clay, A.; Vallavoju, N., Krishnan, R.; Ugrinov. A.; S., J. Sivaguru*Metal Free Visible Light Mediated Photocatalysis: Control-ling Intramolecular [2+2] Photocycloaddition of Enones through axial chirality. J. Org. Chem. 2016, 81, 7191−7200. (DOI: 10.1021/acs.joc.6b01066; Special issue on Photocatalysis).
70. Hong, S.; Ratpukdi, T.; Sivaguru, J.; Khan, E. Glutaraldehyde removal from flowback and produced waters using photolysis. Proceedings of the Water Environment Federation 2016, 5, 2448-2457.
69. Raghunathan, R.; Kumarasamy, E.; Jockusch, S.; Ugrinov, A.; Sivaguru, J.* Engaging electronic effects for atropselective [5+2]- photocycloaddition of maleimides. Chem. Commun. 2016, 52,8305-8308. (DOI: 10.1039/c6cc02962k).
68. Vallavoju, N.; Sreenitya, A.; Ayitou, A.; Jockusch, S.; Sunoj, R. B.; and Sivaguru, J.* Photoreactions with a twist: Atropisomerism-driven divergent reactivity of enones with UV and visible light. Chem. E. J. 2016, 22, 11339-11348. (DOI: 10.1002/ chem.201601509).
67. Ramamurthy, V.; and Sivaguru. J.* “Supramolecular Photochemistry as a Potential Synthetic Tool” Chem. Rev. 2016, 116, 9914−9993 (DOI: 10.1021/acs.chemrev.6b00040). Photochemistry in synthesis - special Issue)
66. Shailaja, J.; Sivaguru, J.* V. Ramamurthy, V.; Zeolite matrix assisted decompositon of singlet oxygen sensitizers during photooxidation J. Photochem. Photobiol., A: Chemistry, 2016, 331, 197-205. (Yoshihisa Inoue Special Issue) (DOI: 10.1016/j.jphotochem.2016.02.010).
65. Vallavoju, N; Sermadurai, S.; Pemberton, B. C.; Jockusch, S.; Sibi, M. P.; Sivaguru, J.* Insights into the mechanistic aspects of organo-photocatalysis mediated by thioureas. Angew. Chem., Int. Ed. 2016, 55, 5446-5451. (DOI: 10.1002/anie.201600596R1 and 10.1002/ange.201600596R1) (Selected as “important paper” and featured as a frontispiece).
64. Raghunathan, R; Jockusch, S.; Sibi, M. P.; Sivaguru, J.*. Evaluating Thiourea / Urea catalyst for enantioselective 6p-photocyclization of acrylanilides. J. Photochem. Photobiol., A: Chemistry, 2016, 331, 84-88. (Yoshihisa Inoue Special Issue) (DOI: 10.1016/j.jphotochem.2015.12.023).
2015 | back to top |
63. Kumarasamy, E.; Raghunathan, R.; Sibi, M. P.; Sivaguru, J.* Non-biaryl and hetero-biaryl atropisomers: Molecular templates with promise for atropselective chemical transformations", Chem. Rev., 2015, 115, 11239–11300. (DOI:10.1021/acs.chemrev.5b00136).
62. Raghunathan, R.; Vallavoju, N.; Kumarasamy, K.; Iyer, A.; Clay, A.; Ayitou, A. J. -L.; Sivaguru, J.* Light as a Reagent for Asymmetric Synthesis, Catalysis and Degradation of Polymers. European Photochemical Association News Letter, 2015, 88, 91-118.
61. Saravanakumar, R.; Raghunathan, R; Krishnan, R.; Ugrinov, A.; Webster, D.; Sibi, M. P.; Sivaguru, J.* Programmed degradation of oligomeric/polymeric materials derived from renewable bio-resources. Angew. Chem., Int. Ed., 2015, 54, 1159-1163. (DOI: 10.1002/anie.201408492). Featured as Back Cover article in Angew. Chem. Int. Ed. (highlighted in multiple media outlets both nationally and internationally including Science– refer to citation section)
2014 | back to top |
60. Clay, A.; Kumarasamy, E.; Ayitou, A.; J. Sivaguru* Photochemistry of Atropisomers: Non-Biaryl atropisomers for stereospecific phototransformations. Chem. Lett. 2014, 43, 1816–1825. (DOI: 10.1246/cl.140819; invited peer-reviewed highlight article; Featured as Cover Article).
59. Iyer, A.; Jockusch, S.; Sivaguru, J.* Dictating Photoreactivity through Restricted Bond Rotations: Cross-Photoaddition of Atropisomeric Acrylimide Derivatives under UV/ Visible-Light Irradiation J. Phys. Chem. A., 2014, 10596-10602. (DOI 10.1021/jp505678b) (Special issue: Current Topics in Photochemistry).
58. Vallavoju, N. Sermadurai, S.; Jockusch, S.; Prabhakaran, M. T.; Sibi, M. P.; Sivaguru, J.* Evaluating thiourea architecture for intramolecular [2+2]-photocycloaddition of 4-alkenylcoumarins. Adv. Synt. Catal., 2014, 356, 2763-2768. (DOI 10.1002/adsc.201400677). (Special issue on Photocatalysis in Organic Synthesis)
57. Kumarasamy, E.; Raghunathan, R.; Jockusch, S.; Ugrinov, A.; Sivaguru, J.* Tailoring atropisomeric maleimides for stereospecific [2+2]-photocycloaddition – Photochemical and photophysical investigations leading to visible light photocatalysis. J. Am. Chem. Soc., 2014, 136, 8729−8737. (DOI: 10.1021/ja5034638).
56. Vallavoju, N; Sermadurai, S.; Jockusch, S.; Sibi, M. P.; Sivaguru, J.* Enantioselective organo-photocatalysis mediated by atropisomeric thiourea derivatives. Angew Chem., Int. Ed., 2014, 53, 5604-5608 and Angew. Chem. 2014, 126, 5710-5714. (DOI: 10.1002/anie.201310940)
55. Vallavoju, N.; Sivaguru, J.* Supramolecular Photocatalysis: Combining confinement and non-covalent interactions to control light initiated reactions. Chem. Soc. Rev., 2014, 43, 4084-4101. (DOI:10.1039/C3CS60471C.) (impact factor: 24.91).
54. Ayitou, A. J. L-; Clay, A.; Kumarasamy, E.; Jockusch, S.; Sivaguru, J.* Enantiospecific photochemical 6π-ring closure of α-substituted atropisomeric acrylanilides – role of alkali metal ions. Photochem. Photobiol Sci., 2014, 13, 141-144 (DOI: 10.1039/c3pp50278c, Turro Memorial Special issue).
2013 | back to top |
53. Sivaguru, J.* “A tribute to Nichoals J. Turro – An icon of modern molecular photochemistry”
J. Photochem. Photobiol., A: Chemistry, 2013, 271, 130-131 (DOI: 10.1016/j.jphotochem.2013.09.006).
52. Raghunathan, R.; Kumarasamy, E.; Akila, I.; Ugrinov, A.; Sivaguru, J.* Intramolecular Paternò-Büchi Reaction of Atropisomeric a-Oxoamides in solution and in the solid-state. Chem. Commun., 2013, 49, 8713-8715. (DOI: 10.1039/C3CC44281K)
51. Ayitou, A. J. L-.; Fukuhara, G.; Kumarasamy, E.; Inoue, Y.; Sivaguru, J.* Enantiospecific Photochemical Transformations under Elevated Pressure. Chem. Eur. J., 2013, 19, 4327-4334 (DOI: 10.1002/chem.201203665; Accepted Nov 2012, and published with page numbers in Jan 2013).
50. Pemberton, B. C.; Ugrinov, A.; Sivaguru, J.* Evaluating photodimerization of 6-methylcoumarin mediated by cucurbit[8]uril through mechanical grinding - Supramolecular effects of additives
J. Photochem. Photobiol., A: Chemistry, 2013, 255, 10-15. (DOI: 10.1016/j.jphotochem.2013.01.005; Submitted in Dec 2012, Accepted in Jan 2013; page numbers assigned in Jan 2013)
49. Kumarasamy, E.; Sivaguru, J.* Light-Induced enantiospecific intramolecular [2+2]-cycloaddition of atropisomeric 3,4-dihydro-2-pyridones. Chem. Commun. 2013, 49, 4346-4348. DOI:10.1039/C2CC37123E. (Chem. Comm., Young investigators special issue | Accepted in Nov 2012; Page numbers assigned in May 2013).
2012 | back to top |
48. Pemberton, B. C. Raghunathan, R.; Rabe, S.; Sivaguru, J.* From containers to catalysts: Supramolecular catalysis within cucurbiturils. Chem. Eur. J., 2012, 18, 12178-12190. DOI: 10.1002/chem.201202083 (Concept Article and Frontispiece).
2011 | back to top |
47. Kumarasamy, E.; Jesuraj, J.; Omlid, J. N.;§ Ugrinov, A.; Sivaguru, J.* Light induced enantiospecific 4p-ring closure of axially chiral 2-pyridones. Enthalpic and entropic effects promoted by H-bonding.
J. Am. Chem. Soc., 2011, 133, 17106-17109.
46. Pemberton, B. C.; Singh. R; Johnson, A. C.;§ Jockusch, S.; José Paulo Da Silva Ugrinov, A.; Turro, N. J.; Srivatsava, D. K.; Sivaguru J.* Supramolecular Photocatalysis: Physical Insights into Cucurbit[8]uril catalyzed photodimerization of 6-methylcoumain. Chem. Commun., 2011, 47, 6323–6325. (Supramolecular chemistry special issue; T-T absorption studies were performed in Turro’s lab at Columbia University as a scientific collaboration between the PI and Prof. Nicholas J. Turro).
45. Ayitou, A. J.; Vallavoju, N.; Ugrinov, A.; Sivaguru, J.* Enantiospecific 6p – Photocyclization of Atropisomeric a-substituted Acrylanilides In the Solid-State. Photochem. Photobiol. Sci., 2011, 10, 1380-1383 (Prof. Yoshihisa Inoue special issue).
44. Ayitou, A. J.; Pemberton, B. C.; Kumarasamy, E.; Vallavoju, N.; Sivaguru, J.* Fun with Photons: Selective Light Induced Reactions in Solution and in Water Soluble Nano-containers. Chimia, 2011, 65, 202-209. (invited-review based on Grammaticakis-Neumann Prize lecture) (DOI: http://dx.doi.org/10.2533/chimia.2011.202)
43. Ayitou, A. J.; Sivaguru, J.* Reactive Spin State Dependent Enantiospecific Photocyclization of Molecularly Chiral α-substituted Acrylanilides. Chem. Commun., 2011, 47, 2568–2570.
42. Pemberton, B. C.; Kumarasamy, E.; Jockusch, S.; Srivatsava, D. K.; Sivaguru, J.* Photophysical aspects of 6-methylcoumarin-Cucurbit[8]uril Host-guest Complexes. Can. J. Chem., 2011, 89, 310-316. (Prof. J. C. Scaiano special issue)
41. Ramamurthy, V. Sivaguru, J.* Controlling photoreactions through non-covalent interactions within zeolite nanocages. In Supramolecular Photochemistry: Controlling Photochemical Processes, Ramamurthy, V. and Inoue, Y. (Eds)., John Wiley & Sons, Inc., Hoboken, New Jersey, U.S.A. 2011, pp 389-442 (book chapter).
2010 | back to top |
40. Pemberton, B. C.; Barooah, N.; Srivatsava, D. K.; Sivaguru, J.* Supramolecular photocatalysis by confinement—photodimerization of coumarins within cucurbit[8]urils Chem. Commun. 2010, 46, 225-227. (Hot paper in Chemical Communication and editorial highlight in synfacts) (DOI: DOI: 10.1039/B920605A)
39. Jesuraj, J.; Sivaguru, J.* Photochemical Type II Reaction of Atropchiral Benzoylformamides To Point Chiral Oxazolidin-4-ones. Axial Chiral Memory and Enantiomeric Resolution of Photoproducts.
Chem. Commun., 2010, 46, 4791-4793.
38. Solomon, M.; Sivaguru, J.;* Jockusch, S.; Adam, W.;* Turro, N.* Decoding Stereocontrol During the Photooxygenation of Oxazolidinone-Functionalized Enecarbamates. Org. Lett., 2010, 12 (9), 2142–2145.
2009 | back to top |
37. Ayitou, A. J.; Jesuraj, J. L.; Barooah, N.; Ugrinov, A.; Sivaguru, J.* Enantiospecific Photochemical Norrish/Yang Type II Reaction of Nonbiaryl Atropchiral α-Oxoamides in Solution—Axial to Point Chirality Transfer. J. Am. Chem. Soc., 2009, 131 (32), pp 11314–11315. (DOI: 10.1021/ja9050586)
36. Solomon, M. R.; Saito, H.; Sivaguru, J.*; Jockusch, S.; Inoue, Y.; Adam, W.; Turro, N. J. Isolation and syn Elimination of a Peterson Adduct to Obtain Optically Pure Product in the Diastereoselective Synthesis of Oxazolidinone-Functionalized Enecarbamates Lett. Org. Chem., 2009, 6, 362-366.
35. Solomon, M. R.; Sivaguru, J.*; Jockusch, S.; Adam, W.; Turro, N. J. Physical and Chemical Quenching Rates and Their Influence on Stereoselective Photooxygention of Oxazolidinone-functionalized Enecarbamates. Photochem. Photobiol. Sci., 2009, 8, 912-915.
34. Ayitou, A. J.; Sivaguru, J.* Light Induced Transfer of Molecular Chirality In Solution: Enantioselective Photocyclization of Molecularly Chiral Acrylanilides. J. Am. Chem. Soc., 2009, 131(14), 5036-5037. (DOI: 10.1021/ja9003552)
33. Ayitou, A. J.; Ugrinov, A.; Sivaguru, J.* 6π-Photocyclization of O-tert-butylacrylanilides. N-substitution dictates the regiochemistry of cyclization Photochem. Photobiol. Sci., 2009, 8, 751-754.
2008 | back to top |
32. Barooah, N.; Pemberton, B. C.; Johnson, A. C.;§ Sivaguru, J.* Photodimerization and complexation dynamics of courmarins in the presence of cucurbit[8]urils. Photochem. Photobiol. Sci., 2008, 7, 1473-1479.
31. Barooah, N.; Pemberton, B. C.; Sivaguru, J.* Manipulating Photochemical Reactivity of Coumarins within Cucurbituril Nanocavities. Org. Lett., 2008, 10, 3339-3342.
30. Solomon, M.; Sivaguru, J.*; Jockusch, S.; Adam, W.; Turro, N. J. Vibrational Deactivation Of Singlet Oxygen: Does It Play A Role In Stereoselectivity During Photooxygenation? Photochem. Photobiol. Sci., 2008, 7, 531-533.
29. Sivaguru, J.*; Solomon, M. R.; Poon, T.; Jockusch, S.; Bosio, S. G.; Adam, W.; Inoue, Y.; Turro, N. J., The Reaction of Singlet Oxygen with Enecarbamates: A Mechanistic Playground for Investigating Chemoselectivity, Stereoselectivity, and Vibratioselectivity of Photooxidations. Acc. Chem. Res. 2008, 41, 387-400.
1998-2008 Published with Affiliation to Columbia University, New York, NY and Tulane University, New Orleans, LA.
(Publication based on post-doctoral and doctoral work)
2007 | back to top |
28. Saito, H.; Sivaguru, J.; Jockusch, S.; Dyer, J.; Inoue, Y.; Adam, W.; Turro, N. J., Controlled diastereoselectivity at the alkene-geometry through selective encapsulation: E-Z photoisomerization of oxazolidinone-functionalized enecarbamates within hydrophobic nano-cavities. Chem. Commun. 2007, 819–821.
2006 | back to top |
27. Sivaguru, J.; Poon, T.; Hooper, C.;§ Saito, H.; Solomon, M. R.; Jockusch, S.; Adam, W.; Inoue, Y.; Turro, N. J., A Comparative Mechanistic Analysis of the Stereoselectivity Trends Observed in the Oxidation of Chiral Oxazolidinone-Functionalized Enecarbamates by Singlet Oxygen, Ozone and Triazolinedione. Tetrahedron, 2006, 62, 10647–10659.
26. Sivaguru, J.; Solomon, M. R.; Saito, H.; Poon, T.; Jockusch, S.; Adam, W.; Inoue, Y.; Turro, N. J., Conformationally controlled (entropy effects), stereoselective vibrational quenching of singlet oxygen in the oxidative cleavage of oxazolidinone-functionalized enecarbamates through solvent and temperature variations. Tetrahedron, 2006, 62, 6707-6717.
25. Sivaguru, J.; Saito, H.; Solomon, M. R.; Kaanumalle, L. S.; Poon, T.; Jockusch, S.; Adam, W.; Ramamurthy, V.; Inoue, Y.; Turro, N. J., The Control Of Chirality By Cations In Confined Spaces: Photooxidation of Enecarbamates Inside Zeolite Supercages. Photochem. Photobiol., 2006, 82, 123-131.
2005 | back to top |
24. Sivaguru, J.; Saito, H.; Poon, T.; Omonuwa, T.;§ Franz, R.; Jockusch, S.; Hooper, C.;§ Inoue, Y.; Adam, W.; Turro, N. J., Stereoselective Photooxidation of Enecarbamates: Reactivity of Ozone vs Singlet Oxygen. Org. Lett. 2005, 7(11), 2089-2092.
23. Sivaguru, J.; Wada, T.; Origane, Y.; Inoue, Y.; Ramamurthy, V., Mechanism of photoisomerization of optically pure trans-2,3-diphenylcyclopropane-1-carboxylic acid derivatives. Photochem. Photobiol. Sci. 2005, 4(1), 119-127.
22. Saito, H.; Sivaguru, J.; Jockusch, S.; Inoue, Y.; Adam, W.; Turro, N. J., Stereoselective E/Z photoisomerization of oxazolidinone functionalized enecarbamates: direct and triplet sensitized irradiation. Chem. Commun. 2005, 3424-3426.
21. Jockusch, S.; Sivaguru, J.; Turro, N. J.; Ramamurthy, V., Direct measurement of the singlet oxygen lifetime in zeolites by near-IR phosphorescence. Photochem. Photobiol. Sci. 2005, 4(5), 403-405.
2004 | back to top |
20. Sivaguru, J.; Poon, T.; Franz, R.; Jockusch, S.; Adam, W.; Turro, N. J., Stereocontrol within Confined Spaces: Enantioselective Photooxidation of Enecarbamates Inside Zeolite Supercages. J. Am. Chem. Soc. 2004, 126(35), 10816-10817.
19. Poon, T.; Sivaguru, J.; Franz, R.; Jockusch, S.; Martinez, C.; Washington, I.; Adam, W.; Inoue, Y.; Turro, N. J., Temperature and Solvent Control of the Stereoselectivity in the Reactions of Singlet Oxygen with Oxazolidinone-Substituted Enecarbamates. J. Am. Chem. Soc. 2004, 126(34), 10498-10499.
18. Sivaguru, J.; Sunoj, R. B.; Wada, T.; Origane, Y.; Inoue, Y.; Ramamurthy, V., Enhanced Diastereoselectivity via Confinement: Photoisomerization of 2,3-Diphenylcyclopropane-1-carboxylic Acid Derivatives within Zeolites. J. Org. Chem. 2004, 69(20), 6533-6547.
17. Sivaguru, J.; Sunoj, R. B.; Wada, T.; Origane, Y.; Inoue, Y.; Ramamurthy, V., Enhanced Diastereoselectivity via Confinement: Diastereoselective Photoisomerization of 2,3-Diphenyl-1-benzoylcyclopropane Derivatives within Zeolites. J. Org. Chem. 2004,69(17), 5528-5536.
16. Ramamurthy, V.; Sivaguru, J.; Shailaja, J.; Natarajan, A.; Kaanumalle, L. S.; Karthikeyan, S.; Joy, A., Chiral photochemistry within zeolites. In Molecular and Supramolecular Photochemistry, Ramamurthy, V.; Schanze, K., Eds. Marcel Dekker: New York, 2004; Vol. 11, pp 563-631.
2003 | back to top |
15. Sivaguru, J.; Natarajan, A.; Kaanumalle, L. S.; Shailaja, J.; Uppili, S.; Joy, A.; Ramamurthy, V., Asymmetric Photoreactions within Zeolites: Role of Confinement and Alkali Metal Ions. Acc. Chem. Res. 2003, 36(7), 509-521.
14. Sivaguru, J.; Jockusch, S.; Turro, N. J.; Ramamurthy, V., Photoisomerization of 2,3-diphenylcyclopropane-1-carboxylic acid derivatives. Photochem. Photobiol. Sci. 2003, 2(11), 1101-1106.
13. Sivaguru, J.; Shailaja, J.; Ramamurthy, V., Organic photochemistry within zeolites: selectivity through confinement. In Handbook of Zeolite Science and Technology, Auerbach, S.; Carrado, K.; Dutta, P., Eds. Marcel Dekker: New York, 2003; pp 515-589.
12. Kaanumalle, L. S.; Sivaguru, J.; Arunkumar, N.; Karthikeyan, S.; Ramamurthy, V., Cation-π interactions as a tool to enhance the power of a chiral auxiliary during asymmetric photoreactions within zeolites. Chem. Commun. 2003, 1, 116-117.
2002 | back to top |
11. Sivaguru, J.; Shichi, T.; Ramamurthy, V., Reactive-state spin-dependent diastereoselective photoisomerization of trans,trans-2,3-diphenylcyclopropane-1- carboxylic acid derivatives included in zeolites. Org. Lett. 2002, 4(24), 4221-4224.
10. Kaanumalle, L. S.; Sivaguru, J.; Sunoj, R. B.; Lakshminarasimhan, P. H.; Chandrasekhar, J.; Ramamurthy, V., Light-Induced Geometric Isomerization of 1,2-Diphenylcyclopropanes Included within Y Zeolites: Role of Cation-Guest Binding. J. Org. Chem. 2002, 67(25), 8711-8720.
9. Pradhan, A. R.; Uppili, S.; Shailaja, J.; Sivaguru, J.; Ramamurthy, V., Zeolite-coated quartz fibers as media for photochemical and photophysical studies. Chem. Commun. 2002, 6), 596-597.
8. Koodanjeri, S.; Sivaguru, J.; Pradhan, A.; Ramamurthy, V., Asymmetric induction with β-cyclodextrin: cis-trans photoisomerization of diphenyl-cyclopropane and its derivatives. Proc. Natl. Acad. Sci., India, Sect. A. 2002, 68(5), 453-463.
7. Chong, K. C. W.; Sivaguru, J.; Shichi, T.; Yoshimi, Y.; Ramamurthy, V.; Scheffer, J. R., Use of Chirally Modified Zeolites and Crystals in Photochemical Asymmetric Synthesis. J. Am. Chem. Soc. 2002, 124(12), 2858-2859.
6. Sivaguru, J.; Shailaja, J.; Uppili, S.; Ponchot, K.; Joy, A.; Arunkumar, N.; Ramamurthy, V., Achieving enantio and diastereoselectivities in photoreactions through the use of a confined space. In Organic Solid-State Reactions, Toda, F., Ed. Kluwer Academic Publisher: Boston, 2002; pp 159-188.
5. Sivaguru, J.; Scheffer, J. R.; Chandarasekhar, J.; Ramamurthy, V., Confined space and cations enhance the power of a chiral auxiliary: photochemistry of 1,2-diphenylcyclopropane derivatives. Chem. Commun. 2002, 8, 830-831.
2001 | back to top |
4. Shailaja, J.; Sivaguru, J.; Uppili, S.; Joy, A.; Ramamurthy, V., Use of a confined space (zeolite) in enantioselective and diastereoselective photoreactions. Microporous and Mesoporous Materials. 2001, 48(1-3), 319-328.
2000 | back to top |
3. Cheung, E.; Chong, K. C. W.; Jayaraman, S.; Ramamurthy, V.; Scheffer, J. R.; Trotter, J., Enantio- and Diastereodifferentiating cis,trans-Photoisomerization of 2β,3β-Diphenylcyclopropane-1a-carboxylic Acid Derivatives in Organized Media. Org. Lett. 2000,2(18), 2801-2804.
2. Shailaja, J.; Sivaguru, J.; Robbins, R. J.; Ramamurthy, V.; Sunoj, R. B.; Chandrasekhar, J., Singlet Oxygen Mediated Oxidation of Olefins within Zeolites: Selectivity and Complexities. Tetrahedron 2000, 56(36), 6927-6943.
1. Sivaguru Jayaraman; Uppili, S.; Natarajan, A.; Joy, A.; Chong, K. C. W.; Netherton, M. R.; Zenova, A.; Scheffer, J. R.; Ramamurthy, V., The influence of chiral auxiliaries is enhanced within zeolites. Tetrahedron Lett. 2000, 41(43), 8231-8235.