Biomimetic Chemistry Research Group

 

 

  1. Bagha, U. K.; Satpathy, J. K.; Mukherjee, G.; Barman, P.; Kumar, D.; de Visser S. P.; Sastri, C. V. Oxidative dehalogenation of halophenols by high-valent nonheme iron(IV )-oxo intermediates. Faraday Discuss. 2022, 234, 58 - 69

  2. Yeh, G, C-C.; Ghafoor, S.; Satpathy, J. K.; Mokkawes, T.; Sastri, C. V.; de Visser S. P. Cluster Model Study into the Catalytic Mechanism of alpha Ketoglutarate Biodegradation by the Ethylene - Forming Enzyme Reveals Structural Differences with Nonheme Iron Hydroxylase. ACS. Catal. 2022, 12, 3923 - 3937

  3. Mukherjee, G.; Satpathy, J. K.; Bagha, U. K.; Mubarak, M. Q. E.; Sastri, C. V.; de Visser, S. P. Inspiration from Nature: Influence of Engineered Ligand Scaffolds and Auxiliary Factors on the Reactivity of Biomimetic Oxidants ACS. Catal. 2021, 15, 9761 - 9797.

  4. Roach, S.; Faponle, A. S.; Satpathy, J. K.; Sastri, C. V.; de Visser. S. P. Substrate sulfoxidation by a biomimetic cytochrome P450 Compound I mimic: How do porphyrin and phthalocyanine equatorial ligand compare? J. Chem. Sci. 2021, 133, 61-74 ( In Memory of Prof. Bhaskar G. Maiya special issue)

  5. de Visser. S. P.; Lin, Y-T.; Ali. H. S.; Bagha. U. K.; Mukherjee, G.; Sastri, C. V. Negative catalysis or non-Bell-Evans-Polanyi reactivity by metalloenzymes: Examples from mononuclear heme and non-heme iron oxygenases. Coord. Chem. Rev 2021, 439, 213914 - 213930

  6. Bagha. U. K.; Sathpathy. J. K.; Mukherjee, G.; Sastri, C. V. de Visser, S. P. A Comprehensive Insight into Aldehyde Deformylation: Mechanistic Implications from Biology and Chemistry. Org. Biomol. Chem. 2021, 19, 1879-1899 with cover page (from the Themed Collection : Catalysis & Biocatalysis in OBC)

  7. Mukherjee, G.; Sastri, C. V. Eccentricities in Spectroscopy and Reactivity of Non‐Heme Metal Intermediates Contained in Bispidine Scaffolds. Isr. J. Chem 2020,60, 1032-1048 (invited article)

  8. Mukherjee, G,; Cantu Reinhard, F. G; Bagha, U.; Sastri, C. V.; de Visser, S. P. Sluggish Reactivity by a Nonheme Iron(IV)-tosylimido Complex as Compared to its Oxo Analogue. Dalton Trans. 2020, 49, 5921-5931

  9. Colomban, C.; Tombing, A. H.; Mukherjee, G,; Sastri, C. V.; Aorokin, A. B.; de Visser, S. P. Mechansim of Oxidative Activation of Fluorinated Aromatic Compounds by N-Bridged Diiron-Pthalocynanine. What determines the Reactivity?. Chem. Eur. J . 2019, 25, 14320-14331 with cover page

  10. Barman, P.; Cantu Reinhard, F. G.; Bagha, U. K.; Kumar, D.; Sastri, C. V.; de Visser, S. P. Hydrogen by Deuterium Substitution in an Aldehyde Tunes the Regioselectivity by a Nonheme Manganese(III)‐Peroxo Complex. Angew.. Chem. Int. Ed. 2019,58, 10639-10643

  11. Mukherjee, G.; Alili, A.; Barman, P.; Kumar, D.; Sastri, C. V.; de Visser, S. P. Interplay Between Steric and Electronic Effects: A Joint Spectroscopic and Computational Study of Nonheme Iron(IV)-Oxo Complexes. Chem. Eur. J. 2019, 25, 5086-5098 (HOT Paper)

  12. Nag, S. S.; Mukherjee, G.; Barman, P.; Sastri, C. V. Influence of Induced Steric on the Switchover Reactivity of Mononuclear Cu(II)-Alkylperoxo Complexes. Inorg. Chim. Acta 2019,485, 80-85 (Invited Article)

  13. Mukherjee, G.; Lee, C. W. Z.; Nag, S. S.; Alili, A.; Cantú Reinhard, F. G.; Kumar, D.; Sastri, C. V.; de Visser, S. P. Dramatic Rate-Enhancement of Oxygen Atom Transfer by an Iron(IV)-oxo Species by Equatorial Ligand Field Perturbations. Dalton. Trans. 2018,47, 14945-14957

  14. Cantu Reinhard, F. G.; Barman, P.; Mukherjee, G.; Kumar, J.; Kumar D.; Kumar D.; Sastri, C. V.; de Visser, S. P. Keto-Enol Tautomerism Trigger an Electrophilic Aldehyde Deformylation Reaction by a nonheme Manganese(III) - peroxo Complex . J. Am. Chem. Soc. 2017, 139, 18328-18338

  15. Barman, P.; Faponle, A. S.; Vardhaman, A. K.; Angelone, D.; Lohr, A-M.; Browne, W. R.; Comba, P.; Sastri, C. V.; de Visser, S. P. Influence of Ligand Architechture in Tuning Reaction Bifurcation Pathways for Chlorite Oxidation by Non-Heme Iron Complexes. Inorg. Chem, 2016, 55, 10170-10181

  16. Barman, P.; Upadhyay, P.; Faponle, A. S.; Kumar, J.; Nag, S, S,; Kumar, D.; Sastri, C. V.; de Visser, S. P. Deformylation Reaction by a Non-Heme Manganese(III)-Peroxo Complex via Initial Hydrogen Atom Abstraction. Angew. Chem. Int. Ed. 2016, 55, 11091-11095 (VIP Paper)

  17. Barman, P.; Vardhaman, A. K.; Martin, B.; Wörner, S. J.; Sastri, C. V.; Comba, P. Influence of Ligand Architecture on Oxidation Reactions by High-Valent Non-heme Manganese-Oxo Complexes Using Water as a Source of Oxygen. Angew. Chem. Int. Ed. 2015, 54, 2095-2099

  18. Faponle, A.; Quesne, M.; Sastri, C. V.; Banse, F.; de Visser, S. P. Differences and Comparisons of the Properties and Reactivities of Iron(III)-Hydroperoxo Complexes with Saturated Coordination Sphere. Chem. Eur. J. 2015, 21, 1221-1236.

  19. Kumar, S.; Faponle, A. S.; Barman, P.; Vardhaman, A. K.; Sastri, C. V.; Kumar, D.; de Visser, S. P. Long-range electron transfer triggers mechanistic differences between iron(IV)-oxo and iron(IV)-imido oxidants. J. Am. Chem. Soc. 2014, 136, 17102-17115

  20. Vardhaman, A. K.; Barman, P.; Kumar, S.; Sastri, C. V.; Kumar, D.; de Visser, S. P. Mechanistic Insights into Halide Oxidation by Non-Heme Iron Complexes. Haloperoxidase versus Halogenase Activity. Chem. Commun. 2013, 49, 10926-10928

  21. Vardhaman, A. K.; Barman, P.; Kumar, S.; Sastri, C. V.; Kumar, D.; de Visser, S. P. Comparison of the Reactivity of Nonheme Iron(IV)-Oxo versus Iron(IV)-Imido Complexes: Which is the Better Oxidant? Angew. Chem. Int. Ed. 2013, 52, 12288-12292.

  22. Khan, Z.; Chetia, T. R.; Vardhaman, A. K.; Barpuzary, D.; Sastri, C. V.; Qureshi, M. Visible Light Assisted Photocatalytic Hydrogen Generation and Organic Dye Degradation by CdS-Metal oxide Hybrids in the Presence of Graphene Oxide. RSC. Adv. 2012, 2, 12122-12128.

  23. Vardhaman, A. K.; Sastri, C. V.; Kumar, D.; de Visser, S. P. Nonheme Ferric Hydroperoxo Intermediates as Efficient Oxidants of Bromide Oxidation. Chem. Commun , 2011, 11044–11046

  24. Vardhaman, A. K.; Sikdar, S. Sastri, C. V. Oxidation of Dibenzothiophene by Mononuclear Non-heme Iron Complexes: A Biomimetic Approach for Oxidative Desuphurization. Indian J. Chem, 2011. 50A, 427-431

  25. Jackson, T. A.; Rohde, J-U.; Seo, M.S.; Sastri, C. V.; DeHont, R.; Stubna, A.; Ohta, T.; Kitagawa, T.; Munck, E.; Nam, W.; Que, L. Jr. Axial Ligand Effects on the Geometric and Electronic Structure of Nonheme Oxoiron(IV) Complexes. J. Am. Chem. Soc; 2008, 130, 12394-12407

  26. Sastri, C. V.; Lee. J.; Oh, K.; Lee, Y. J.; Lee, J.; Jackson, T. A.; Ray, K.; Hirao, H.; Shin, W.; Halfen, J. A. Kim, J.; Que, L, Jr.; Shail, S.; Nam. , Axial Ligand Tuning of a Nonheme Iron(IV)-Oxo Unit for Hydrogen Atom Abstraction. Proc. Natl. Acad. Sci. USA; 2007, 104, 19181-19186

  27. Sastri, C. V.; Oh, K.; Lee,Y. J.; Seo, M. S.; Shin, W.; Nam, W , Oxygen-Atom Transfer between Mononuclear Nonheme Iron(IV)-Oxo and Iron(II) Complexes. Angew. Chem. Int Ed.,2006, 45, 3992-3995

  28. Sastri, C. V.; Park, M. J.; Ohta, T.; Jackson, T. A.; Stubna, A.; Seo, M. S.; Lee, J.; Kim, J.; Kitagawa, T.; Munck, E.; Que, L. Jr.; Nam.W, Axial Ligand Substituted Nonheme Fe(IV)=O Complexes: Observation of Near-UV LMCT Bands and Fe=O Raman Vibrations. J. Am. Chem. Soc, 2005, 127, 12494-12495

  29. Kim, S. O.; Sastri, C. V.; Seo, M. S.; Kim, J.; Nam , W, Dioxygen Activation and Catalytic Aerobic Oxidation by a Mononuclear Nonheme Iron(II) Complex J. Am. Chem. Soc, 2005, 127, 4178-4179

  30. Sastri, C. V.; Seo, M. S.; Park, M. J.; Kim, K. M.; Nam , W, Formation, stability, and reactivity of a mononuclear nonheme oxoiron( IV ) complex in aqueous solution Chem. Commun , 2005, 1405–1407

  31. Kulkarni, M. S.; Rao , B. S. M.; Sastri, C. V.; Maiya, B. G.; Mohan, H.; Mittal, J. P. Redox chemistry of Ru(II) complexes of 6,7-dicyanodipyridoquinoxaline: a radiation chemical study. J . Photochem. Photobiol. A, Chem. 2004, 167, 101–109

  32. Sastri, C. V.; Mariappan, M.; Gosh, T.; Maiya, B. G. Structure-property correlations in DNA binding and photocleavage characteristics of metallointercalators. Proc. Indian Acad. Sci. A ,2004, 70, 355–365

  33. Abraham, B.; Sastri, C. V.; Maiya, B. G.; Umapathy, S. Resonance Raman spectroscopic studies of [Ru(phen)2 qdppz]2+ and its interactions with calf thymus DNA. J. Raman Spectrosc. ,2004, 35, 13–18

  34. Sastri, C. V.; Eswaramoorthy, D.; Giribabu, L.; Maiya, B. G. DNA interactions of new mixed-ligand complexes of cobalt(III) and nickel(II) that incorporate modified phenanthroline ligands. J. Inorg. Biochem, 2003, 94, 138–145