Two-Pot Synthesis of Indolizinoindole Derivatives via Lewis Acid-Mediated Intramolecular Regioselective Cyclization of 3-Acylpyrroles, Mamta, Imtiyaz Ahmad Shah, Mainika Verma, Krishnan Rangan, Eldhose Iype, Bharti Khungar, and Indresh Kumar, Asian J. Org. Chem. 2025, 14, e20240073. (18-2-2025). org/10.1002/ajoc.20240073.

Organocatalytic [4+2] Benzannulation Between 1,4-Dithiane-Based Enal and Nitroolefins to Access 2-Nitrobiaryls, Imtiyaz Ahmad Shah, Yadav Kacharu Nagare, Krishnan Rangan, Eldhose Iype, Ruchika Sharma, Rajni Kant, Indresh Kumar, Chemistry - An Asian Journal. 2025, 20(7), e202401408. (3-4-2025). https://doi.org/10.1002/asia.202401408.

TEMPO-Mediated Direct C(sp²)-H Alkoxylation/Aryloxylation of 1,4-Quinones, Amol B. Gadekar, Dhananjay S. Nipate, Krishnan Rangan, Anil Kumar, Org. Chem.2025, 90, 2, 1044–1053. (4-1-2025). https://doi.org/10.1021/acs.joc.4c02335.

Enantioselective synthesis of a-(3-pyrrolyl)methanamines with aza-tetrasubstituted center under metal-free conditions, Atul Jankiram Dolas,   Jyothi Yadav,   Yadav Kacharu Nagare,   Krishnan Rangan,   Eldhose Iypeand  Indresh Kumar, Organic & Biomolecular Chemistry, 2025, 23, 98-102. (online published, 7-11-2024). https://doi.org/10.1039/D4OB01729C.

Ru(II)-catalyzed oxidative (4+3) C–H/C–H annulation of 2-aryl-4H-pyrido[1,2-a]pyrimidin-4-ones with allyl alcohol, Tarun Jangir, Dhananjay S. Nipate, Krishnan Rangan, Anil Kumar, Commun., 2025, 61, 5762-5765. (13, March 2025). DOI: 10.1039/d5cc00318k.

Ruthenium(II)-Catalyzed C-H/C-H (4+2) Annulation of 2-Aryl-N-heterocycles with Vinylene Carbonate, Dhananjay S. Nipate, Prakash N. Swami, Amol B. Gadekar, Tarun Jangir, Krishnan Rangan, Anil Kumar, Chemistry – An Asian Journal, 20, e202401104, (1-5), 2025. (online published, 24-11-2024). https://doi.org/10.1002/asia.202401104.

Pyridinium-Based Schiff-Base Fluorescent Chemosensor for Sequential Detection of Al³⁺ Ions and TNP: Applications in Cell Imaging and Latent Fingerprint Visualization, Pragya, Sonali J. Jain, Krishnan Rangan, Prabhat Nath Jha, and Bharti Khungar, Asian J. Org. Chem. 14, e202400669 (1 of 13), (2025). (online published, 26-12-2024). https://doi.org/10.1002/ajoc.202400669.

Synthesis, Characterisation, Single Crystal Structure and Evaluation of a Redox Innocent Carbazate Functionalized Phenanthroline for Antimycobacterial and Anticancer Activity, Ravallika Aluri, Aishwarya Natarajan, Tarun Patel, Darakhshan Begum, Jyothi Kumari, Dharmarajan Sriram, Balaram Ghosh, Krishnan Rangan, Journal of Molecular Structure 1323, e140723 (1-18), (2025). (online published, 12-11-2024)., doi: https://doi.org/10.1016/j.molstruc.2024.140729. (IF: 4.2)

Organocatalytic Asymmetric Construction of 2,6-Diazabicyclo[2.2.2]octanes by Harnessing the Potential of an 3-Oxindolium Ion Intermediate, Jyothi Yadav, Arun Patel, Atul Jankiram Dolas, Eldhose Iype, Krishnan Rangan, and Indresh Kumar, Chem. Int. Ed., 64, e202416042, 1-8, (2025). (online, 15-10-2024). https://doi.org/10.1002/anie.202416042. (IF: 16.6).

Glucoconjugated Dinuclear Copper(II) Complex: An Efficient Catalyst for Stereoselective Synthesis of Trisubstituted Propargylamines via Solvent-free A3 Coupling Reaction, Santosh Kumar Mishra, Parmeshthi Parikh, Anuvasita Parikh, Krishnan Rangan, and Ajay Kumar Sah, ChemPlusChem 2024, 89, e202400381 (1-9). (online, 18-10-2024). https://doi.org/10.1002/cplu.202400381.

Visible Light-Driven Difluoroalkoxylation of Imidazopyridines using N-Fluorobenzenesulfonimide as Fluorinating Agent, Amol B. Gadekar, Sonam, Vikki N. Shinde, Bhawani, Krishnan Rangan, and Anil Kumar, Advanced Synthesis & Catalysis, 366, 4794-4800 (2024). (online, 14-10-2024). doi.org/10.1002/adsc.202400755. (IF: 4.4)

Propargyl Alcohol as Acrolein Equivalent: A Catalyst-Free Synthesis of β-(3-Indolyl)acroleins and β-(Imidazo[1,2-a]pyridin-3-yl)acroleins. Bhawani, Sonam, Vikki N. Shinde, Prakash N. Swami, Krishnan Rangan and Anil Kumar, Organic & Biomolecular Chemistry, 22, 8720-8723 (2024). (online published 24-9-2024). https://doi.org/10.1039/D4OB01168F. (IF: 2.9).

Direct Multicomponent Synthesis of 3-Arylated Pyrroles Under Catalyst-Free Conditions, Amol Prakash Pawar, Reena Jangir, Atul Jankiram Dolas, Yadav Kacharu Nagare, Krishnan Rangan, Eldhose Iype, Indresh Kumar, SYNTHESIS 2024, 56, A-1. (online 4-9-2024). https://doi.org/10.1055/a-2380-3855.

Selective Sensing of Picric Acid using a Zn(II)-metallacycle: Experimental and Theoretical Validation of Sensing Mechanism and Quantitative Analysis of Sensitivity in Contact Mode Detection, Vishakha Jaswal, Sanya Pachisia, Jagrity Chaudhary, Krishnan Rangan, and Madhushree Sarkar, Dalton Trans., 2024, 53, 14710-14724 (August 7, 2024). https://doi.org/10.1039/D4DT01771D. (IF: 3.5)

Detection of TNP and sulfite ions in an aqueous medium using a pyrazinium-based chemosensor, Pragya, Krishnan Rangan, Bharti Khungar, Sensors & Diagnostics, 3, 872-882 (2024) (April 18, 2024). DOI: https://doi.org/10.1039/D3SD00345K. (IF: 3.5)

BODIPY(aryl)iodonium Salts in the Efficient Synthesis of Diversely Functionalized BODIPYs and Selective Detection of Serum Albumin, Bintu Kumar, Anindita Bhatta, Prakriti Saraf, Prakash Taur, Krishnan Rangan, Madhushree Sarkar, Sivaprasad Mitra, Dalip Kumar, Organic & Biomolecular Chemistry, 22, 3405-3414 (2024) (2 April, 2024). https://doi.org/10.1039/D4OB00336E. (IF: 2.9)

DRGD linked charged EKKE dimeric dodecapeptide: pH-based amyloid nanostructures and their application in lead and uranium binding, Aishwarya Natarajan, Ramakrishna Vadrevu, Krishnan Rangan, RSC Advances, 14, 9200-9217 (2024). (March 4, 2024). DOI: https://doi.org/10.1039/d3ra08261j. (IF: 3.9).

Ru(II)-Catalyzed [4 + 2]-Annulation of 2-Alkenyl/Arylimidazoles with N-Substituted Maleimides and 1,4-Naphthoquinones: Access to Imidazo-Fused Polyheterocycles, Neha Meena, Dhananjay S. Nipate, Prakash N. Swami, Krishnan Rangan and Anil Kuma, J. Org. Chem. 89(4), 2272-2282 (2024). (February 2, 2024). https://doi.org/10.1021/acs.joc.3c02229. (IF: 3.4).

Synthesis, structural elucidation, and catalytic evaluation of glucopyranosylamine-derived Mo(VI) complex, Anuvasita Parikh, Santosh Kumar Mishra, Vimal Kumar Madduluri, Parmeshthi Parikh, Krishnan Rangan, Ajay K. Sah, Journal of Molecular Structure, 1296, 136858 (1-11) (2024).  DOI 10.1016/j.molstruc.2023.136858. (IF: 4.2)

Rh(III)-catalyzed oxidative [4+2] annulation of 2-arylquinoxalines and 2-aryl-2H-indazoles with allyl alcohols, Dhananjay S. Nipate, Neha Meena, Prakash N. Swami, Krishnan Rangan, Anil Kumar, Commun., 60, 344-347 (2024). (January 11, 2024). DOI: 10.1039/d3cc04600a. (IF: 6.2)

Mono and Dinuclear Palladium Pincer Complexes of NNSe Ligand as a Catalyst for Decarboxylative Direct C–H Heteroarylation of (Hetero)arenes, Sohan Singh, Vikki N Shinde Sunil Kumar, Neha Meena, Nattamai Bhuvanesh, Krishnan Rangan, Anil Kumar, Hemant Joshi, Chemistry - An Asian Journal, 18, e202300628 (2023). (October 4, 2023). https://doi.org/10.1002/asia.202300628. (IF: 3.5)

Catalyst-Controlled Regiodivergent Oxidative Annulation of 2 Arylimidazo[1,2-a]pyridines with Cinnamaldehyde Derivatives for Construction of Fused N-Heterocyclic Frameworks, Neha Meena, Vikki N. Shinde, Sonam, Prakash N. Swami, Krishnan Rangan, and Anil Kumar, Org. Chem. 88(18), 12902−12913 (2023). (September 6, 2023). https://doi.org/10.1021/acs.joc.3c00717. (IF: 3.5)

Design and Synthesis of Palladium(II) Complex of C_NHCNN Pincer-type N-Heterocyclic Carbene Ligand: Application towards Oxidative Amidation of Aldehydes with 2-Aminopyridines, Prakash N. Swami, Neha Meena, Hemant Joshi, Krishnan Rangan, Anil Kumar, Organometallics, 42, 2359-2368 (2023). (August 23, 2023). https://doi.org/10.1021/acs.organomet.3c00232. (IF: 2.5)

Electrochemical Synthesis of 2-Aryl-3-(2-aminoaryl)quinoxalines via Oxidative Dearomatization/Ring-Opening/Cyclization Cascade Sequence of 2-Arylindoles with 1,2-Diaminoarenes, Yadav Kacharu Nagare, Jyothi Yadav, Atul Jankiram Dolas, Imtiyaz Ahmad Shah, Krishnan Rangan, Rahul Choudhary, Eldhose Iype, and Indresh Kumar, The Journal of Organic Chemistry, 88(15), 11111–11121 (2023). (July 25, 2023). https://doi.org/10.1021/acs.joc.3c01092. (IF: 3.5)

Two-pot sequential multicomponent metal-free synthesis of pyrrolo[2,3-d]pyridazin-7-ones and pyrrolo[2,3-d]pyrizidines, Mamta, Nisar A. Mir, Jyothi Yadav, Amol Prakash Pawar, Ratika Sharma, Rajni Kant, Krishnan Rangan, Eldhose Iype, Bharti Khungar, Indresh Kumar, New Journal of Chemistry, 47(31), 14637-14645 (2023). (July 6, 2023). DOI:1039/d3nj02249h. (IF: 2.7)

Manganese-Catalyzed ortho-Hydroalkylation of Aryl Substituted N-Heteroaromatic Compounds with Maleimides, Vikki N. Shinde, Bhawani Bhawani, Dhanajay S. Nipate, Sonam Sonam, Neha Meena, Krishnan Rangan, Dalip Kumar, Anil Kumar, Synthesis, 55(21), 3632-3643 (2023). (June 26, 2023). DOI: 1055/a-2066-1131. (IF: 2.2)

Abnormal NHC Palladium(II) Complex Containing CNN Pincer Skeleton and Its Application to Suzuki-Miyaura Coupling of Aryl Chlorides in Water; Vaishali Saini, Vimal Kumar Madduluri, Pragya, Krishnan Rangan, Bharti Khungar, Chemistry - Asian Journal of Organic Chemistry, 12(6), e202300072 (2023). (May 10, 2023). https://doi.org/10.1002/ajoc.202300072. (IF: 2.8)

Synthesis of Catalyst Using Bio‐benign Precursors and Its Application in One‐Pot Catalytic Synthesis of Imidazo[1,2‐ a ]pyridines, Santosh Kumar Mishra; Anuvasita Parikh; Krishnan Rangan; Ajay K. Sah, ChemistrySelect, 8(10), e202300129, (2023). (March 13, 2023). https://doi.org/10.1002/slct.202300129. (IF: 1.9)

A Ball-Milling-Enabled Zn(OTf)₂-Catalyzed Friedel-Crafts Hydroxyalkylation of Imidazo[1,2-a]pyridines and Indoles, Meena, Neha, Bhawani, Sonam, Krishnan Rangan, Anil Kumar, The Journal of Organic Chemistry, 88(5), 3022-3034, (2023). (Feb 14, 2023). DOI: 1021/acs.joc.2c02719. (IF: 3.5)

Copper(II)-Catalyzed Synthesis of Pyrrolo[3,4-b]quinolinediones from ortho-Amino Carbonyl Compounds and Maleimides, Dhananjay Nipate, Krishnan Rangan, Anil Kumar, Organic Letters, 25, 1315-1319 (2023). (March 3, 2023). https://doi.org/10.1021/acs.orglett.3c00240. (IF: 4.9)

Selectfluor-Mediated Regioselective C-3 Alkoxylation, Amination, Sulfenylation, and Selenylation of Quinoxalin-2(1H)-ones, Sonam, Vikki N. Shinde, Krishnan Rangan, and Anil Kumar, The Journal of Organic Chemistry, 88(4), 2344-2357 (2023). (Feb 2, 2023), https://doi.org/10.1021/acs.joc.2c02756. (IF: 3.5)

Self-assembly of a peptide sequence, EKKE, composed of exclusively charged amino acids: Role of charge on morphology and lead binding, Aishwarya Natarajan, Krishna Rangan, Ramakrishna Vadrevu, Journal of Peptide Science, 29(2), e3451, 1-10 (2023). (Feb 1, 2023). https://doi.org/10.1002/psc.3451. (IF: 1.8)

Ruthenium(II)-Catalyzed Annulation of 2-Arylimidazoles with Arylglyoxals: Synthesis of 5-Hydroxyimidazo[2,1-a]isoquinolin-6(5H)-ones and Their Photophysical Studies, Sonam, Nitesh K. Nandwana, Vikki N. Shinde, Krishnan Rangan, Anil Kumar, J. Org. Chem. 26, e202201665 (1-6), (2023). (Jan 2, 2023). https://doi.org/10.1002/ejoc.202201065. (IF: 2.5)

Crystal structure of N-(2-hydroxynapthylidene)-L-isoleucinyl-4,6-O-ethylidene-β-D-glucopyranosylamine and an insight from experimental and theoretical calculations, Santosh Kumar Mishra, Anuvasita Parikh, Krishnan Rangan, Ajay Kumar Sah, Crystal Research and Technology, 58, 2200209, 1-11 (2023). (December 18, 2022). DOI: 10.1002/crat.202200209. (IF: 1.5)

Electrochemical Oxidative Addition of Nucleophiles on 2-Arylindoles: Metal-free Synthesis of C2-Heteroquaternary Indolin-3-ones, Yadav Nagare, Imtiyaz Shah, Jyothi Yadav, Amol Prakash Pawar, Krishnan Rangan, Rahul Choudhary, Eldhose Iype, Indresh Kumar, Journal of Organic Chemistry, 87, 15771-15782 (2022). (November 17, 2022). https://doi.org/10.1021/acs.joc.2c01734

Enantioselective Direct Synthesis of C3-Hydroxyalkylated Pyrrole via Amine Catalyzed Aldol/Paal-Knorr Reaction Sequence, Amol Prakash Pawar, Jyothi Yadav, Atul Dolas, Yadav Nagare, Eldhose Iype, Krishnan Rangan, Indresh Kumar, Organic Letters, 24, 7549-7554 (2022). (October 21, 2022). https://doi.org/10.1021/acs.orglett.2c02922.

Pyrazinium-based Fluorescent Chemosensor for Selective Detection of 2,4,6-trinitrophenol in Aqueous Medium, Pragya, Vaishali Saini, Krishnan Rangan and  Bharti Khungar, New J. Chem., 46, 16907-16913 (2022). (Sep 12, 2022). https://doi.org/10.1039/D2NJ02999E

Catalyst-free direct regiospecific multicomponent synthesis of C3-functionalized pyrroles, Amol Prakash Pawar, Jyothi Yadav, Atul Jankiram Dolas, Eldhose Iype, Krishnan Rangan and Indresh Kumar, Organic & Biomolecular Chemistry, 20, 5747—5758 (2022). (July 27, 2022). DOI: https://doi.org/10.1039/D2OB00961G

Cobalt-catalyzed tandem one-pot synthesis of polysubstituted imidazo[1,5-a]pyridines and imidazo[1,5-a]isoquinolines, Neha Meena, Shiv Dhiman, Krishnan Rangan, and Anil Kumar, Organic & Biomolecular Chemistry, 20, 4215-4223 (2022). (May 4^th 2022). https://doi.org/10.1039/D2OB00526C

Iodine(III)-promoted regioselective and efficient synthesis of β-triazolyl BODIPYs for the selective recognition of nickel ion and bovine serum albumin, Bintu Kumar, Anindita Bhatta, Prakriti Saraf, Krishnan Rangan, Madhushree Sarkar, Sivaprasad Mitra, and Dalip Kumar, Dalton Trans, 51, 8169-8176 (2022). (May 31, 2022). https://doi.org/10.1039/D2DT00946C

Mechanochemical Ruthenium-Catalyzed Ortho-Alkenylation of N‑Heteroaryl Arenes with Alkynes under Ball-Milling Conditions, Bhawani, Vikki N. Shinde, Sonam, Krishnan Rangan, and Anil Kumar, Org. Chem. 87, 5994-6005, (2022). (May 6, 2022). https://doi.org/10.1021/acs.joc.2c00257.

Positional Effects of a Pyridyl Group in Zn(II) Coordination Polymers on the Selective Dye Adsorption Properties, Fayaz Baig, Vishakha Jaswal, Krishnan Rangan, Sadhika Khullar, Datta Markad, Madhushree Sarkar, Polyhedron, 214, 115646 (1-14), (2022). (March 1, 2022). https://doi.org/10.1016/j.poly.2021.115646

Structural analysis of bis(pyridyl)diimines: Factors affecting the molecular geometry and supramolecular packing, Fayaz Baig, Krishnan Rangan, Sadhika Khullar, Madhushree Sarkar, Journal of Molecular Structure, 1250, 131830, 1-14, (2022). (February 15, 2022). DOI: https://doi.org/10.1016/j.molstruc.2021.131830

A Family of [Zn6] Complexes from Carboxylate Bridge Supported Assembly of [Zn2] Building Units: Synthetic, Structural, Spectroscopic and Systematic Biological Studies,

Avishek Majumder, Nityananda Dutta, Sudatta Dey, Priyanka Sow, Asmita Samadder, Gonela Vijaykumar, Krishnan Rangan, and Manindranath Bera, Chem. 60, 17608−17626, (2021). (November 11, 2021). DOI: 10.1021/acs.inorgchem.1c02201.

TEMPO-Mediated Synthesis of Indolyl/Imidazo[1,2-a]pyridinyl-Substituted para-Quinone Methides from Butylated Hydroxytoluene, Dhananjay S. Nipate, Sonam, Vikki N. Shinde, Krishnan Rangan, and Anil Kumar, Org. Chem.86, 17090–17100, (2021). (November 11, 2021). https://doi.org/10.1021/acs.joc.1c02202.

Asymmetric Synthesis of Bridged N-Heterocycles with Tertiary Carbon Center through Barbas Dienamine-Catalysis: Scope and Applications, Jyothi Yadav, Atul Dolas, Eldhose Iype, Krishnan Rangan, Joji Ohshita, Dalip Kumar, Indresh Kumar, Org. Chem. 86, 17213−17225, (2021). (November 7, 2021). DOI: 10.1021/acs.joc.1c02295.

Palladium-Catalyzed Weakly Coordinating Lactone-Directed C−H Bond Functionalization of 3‑Arylcoumarins: Synthesis of Bioactive Coumestan Derivatives, Vikki N. Shinde, Krishnan Rangan, Dalip Kumar, and Anil Kumar, Org. Chem. 86, 9755-9770 (2021). (June 28, 2021). https://doi.org/10.1021/acs.joc.1c01097

N -Glycoconjugates: Selective colorimetric chemosensors for aspartic acid and cysteine, Santosh Kumar Mishra, Vimal Kumar Madduluri, Krishnan Rangan, Ajay K. Sah, Molecular Structures, 1241 (130644), 1-7 (2021), (May 12, 2021). https://doi.org/10.1016/j.molstruc.2021.130644

Switchable regioselective hydroalkylation of 2-arylindoles with maleimides, Dhananjay S. Nipate, Vikki N. Shinde, Krishnan Rangan, Anil Kumar, Organic Biomolecular Chemistry, 19, 4910-4921 (2021). (8 May 2021). DOI: 10.1039/d1ob00690h

Rational design of self-assembling peptide amyloid material: Study of morphological features and exploring functionality, Aishwarya Natarajan, Krishnan Rangan, Aruna Jyothi Kora, Ramakrishna Vadrevu, Protein Science, 30, 163 (2021).

TEMPO-Mediated Cross-Dehydrogenative Coupling of Indoles and Imidazo[1,2-a]pyridines with Fluorinated Alcohols, Dhananjay S. Nipate, Sonam Jaspal, Vikki N. Shinde, Krishnan Rangan, and Anil Kumar, Lett.23, 1373-1377 (2021), (February 4, 2021). https://doi.org/10.1021/acs.orglett.1c00031.

Rhodium(III)-Catalyzed Dehydrogenative Annulation and Spirocyclization of 2-Arylindoles and 2-(1H-Pyrazol-1-yl)-1H-indoles with Maleimides: A Facile Access to Isogranulatimide Alkaloid Analogues, Vikki N. Shinde, Krishnan Rangan, Dalip Kumar, and Anil Kumar, J. Org. Chem. 86, 2328−2338 (2021). (12 January 2021). https://doi.org/10.1021/acs.joc.0c02467.

Direct catalytic synthesis of β-(C3)-substituted pyrroles: a complementary addition to the Paal–Knorr reaction, Amol Prakash Pawar, Jyothi Yadav, Nisar Ahmad Mir, Eldhose Iype, Krishnan Rangan, Sumati Anthal, Rajni Kant, Indresh Kumar, Chemical Communications, 57, 251-254 (2021). (07 January 2021) https://doi.org/10.1039/D0CC06357F.

Synthesis and biological evaluation of new benzo[d][1,2,3] triazol‑1‑yl‑pyrazole‑based dihydro‑[1,2,4]triazolo[4,3‑a] pyrimidines as potent antidiabetic, anticancer and antioxidant agents, Vinay Pogaku, R. Krishnan, Srinivas Basavoju, Research on Chemical Intermediates, 47, 551-571 (2021). (October 17, 2020). (https://doi.org/10.1007/s11164-020-04285-7).

Iodine assisted synthesis of CF3 appended spirodihydrofuryl/cyclopropyl oxindoles by changing the active methylene sources, Thirupathi Reddy Penjarla, Maheshwar Kundarapu, Krishnan Rangan and Anupam Bhattachary, Biomol. Chem., 18, 9623-9631 (2020). (2020 Nov 18). https://doi.org/10.1039/D0OB01903H.

Rhodium(III)‐Catalyzed Annulation of 2‐Arylimidazo[1,2‐a]pyridines with Maleimides: Synthesis of 1H‐Benzo[e]pyrido[1′,2′:1,2]imidazo[4,5‐g]isoindole‐1,3(2H)‐Diones and their Photophysical Studies, Vikki N. Shinde, Tapta Kanchan Roy,  Sonam Jaspal,  Dhananjay S. Nipate,  Neha Meena,  Krishnan Rangan,  Dalip Kumar,  Anil Kumar, Advanced Synthesis & Catalysis, 362, 5751-5764 (2020). (December 22, 2020). https://doi.org/10.1002/adsc.202000960.

Metal-free benzoylation of imidazoheterocycles by oxidative decarboxylation of arylglyoxylic acids, Sonam Jaspal, Vikki N Shinde, Neha Meena, Dhananjay S Nipate, Krishnan Rangan, Anil Kumar, Org Biomol Chem, 18(44):9072-9080 (2020). (Nov 28, 2020). doi: 10.1039/d0ob01842b.

Direct Amine-Catalyzed Enantioselective Synthesis of Pentacyclic Dibenzo[b,f][1,4]oxazepine/Thiazepine-Fused Isoquinuclidines along with DFT Calculations, Jyothi Yadav, Amol Prakash Pawar, Yadav Kacharu Nagare, Eldhose Iype, Krishnan Rangan, Joji Ohshita, Dalip Kumar, and Indresh Kumar, Org. Chem. 2020, 85, 14094-14108, (2020), (October 8, 2020). (https://doi.org/10.1021/acs.joc.0c02141).

A facile synthesis of 3-(arylthio)imidazo[1,2-a]pyridin-2(3H)-ones from 2-aminopyridinium bromides and sodium arenesulfinates, Saroj Badania, Krishnan Rangan, Anil Kumar, J. Org. Chem. 2020, 7015-7022 (2020) (Sep 15, 2020), https://doi.org/10.1002/ejoc.202000996.

KOH-mediated intramolecular amidation and sulfenylation: A direct approach to access 3-(arylthio)imidazo[1,2-a]pyridin-2-ols, Khima Pandey, Vikki N. Shinde, Krishnan Rangan, Anil Kumar, Tetrahedron, 76 (131499), 1-7 (2020). (August 14, 2020) (https://doi.org/10.1016/j.tet.2020.131499).

Phenyliodine(III) Diacetate-Mediated 1,2-ipso-Migration in Mannich Bases of Imidazo[1,2‑a]pyridines: Preparation of N‑Acetoxymethyl / Alkoxymethyl‑N‑arylimidazo[1,2‑a]pyridine-3-amines, Om P. S. Patel, Sonam Jaspal, Vikki N. Shinde, Nitesh K. Nandwana, Krishnan Rangan, and Anil Kumar, Org. Chem. 85, 7309−7321 (2020). (https://dx.doi.org/10.1021/acs.joc.0c00674) (May 15, 2020).

Template effect of innocent and coordinating anions on the formation of interpenetrated 2D and 3D networks: methyl orange and iodine sorption studies, Fayaz Baig, Krishnan Rangan, Shibu M. Eappen, Sanjay K. Mandal, Madhushree Sarkar, CrystEngComm, 22, 751-766 (2020). (DOI: 10.1039/c9ce00998a).

Substrate or Solvent-Controlled Pd^II-Catalyzed Regioselective Arylation of Quinolin-4(1H)-ones Using Diaryliodonium Salts: Facile Access to Benzoxocine and Aaptamine Analogues, Manish K. Mehra, Shivani Sharma, Krishnan Rangan, and Dalip Kumar, J. Org. Chem., 2409–2413 (2020). (doi.org/10.1002/ejoc.202000013).

Exploration of fluorescence behavior of an imidazolium-based chemosensor in solution and in the solid state and its turn-on response to Al³⁺ in pure aqueous medium, Vaishali Saini, Rangan Krishnan and Bharti Khungar, Photobiol. Sci., 19, 931-942 (2020). (DOI: 10.1039/c9pp00477g) (April 17, 2020).

A selective turn-off fluorescence detection of nitroexplosive 2,4,6-trinitrophenol by pyridinium-based chemosensor in pure aqueous medium, Vaishali Saini, Aman Gupta, Krishnan Rangan, Bharti Khungar, Dyes and Pigments 180, 108447, 1-9 (2020). (https://doi.org/10.1016/j.dyepig.2020.108447) (April 16, 2020).

Mononuclear Co(II), Ni(II) and Cu(II) complexes of the Schiff base, 2-(((4-trifluoromethoxy)phenylimino)methyl)-6-tert-butylphenol: Synthesis, spectroscopic characterization, X-ray study and biological evaluation, Aveli Rambabu, Nirmala Ganji, Sreenu Daravath, Kadtala Venkateswarlu, Krishnan Rangan, Shivaraj, Journal of Molecular Structure 1199, 127006, 1-10 (2020). (https://doi.org/10.1016/j.molstruc.2019.127006).

The design and green synthesis of novel benzotriazoloquinolinyl spirooxindolopyrrolizidines: antimycobacterial and antiproliferative studies, Vinay Pogaku, Vagolu Siva Krishna, Chandrasekar Balachandran, Krishnan Rangan, Dharmarajan Sriram, Shin Aoki and Srinivas Basavoju, New J. Chem. 43, 17511-17520 (2019). (DOI: 10.1039/c9nj03802g) (October 16, 2019).

Fused Chromeno‐Thieno/Furo‐Pyridines as Potential Analogs of Lamellarin D and their Anticancer Activity Evaluation, T. Uday Kumar, Yamini Bobde, Sravani Pulya, Krishnan Rangan, Balaram Ghosh, Anupam Bhattacharya, ChemistrySelect, 4, 10726-10730 (2019). (https://doi.org/10.1002/slct.201902946) (September 24, 2019).

Metal-free synthesis of pyridin-2-yl ureas from 2-aminopyridinium salts, Saroj, Om P.S. Patel, Krishnan Rangan, Anil Kumar, Tetrahedron Letters, 60, 150939 (2019). (https://doi.org/10.1016/j.tetlet.2019.07.030) (August 15, 2019).

Design, synthesis and biological evaluation of 2-(3,4-dimethoxyphenyl)-6(1,2,3,6-tetrahydropyridin-4-yl)imidazo[1,2-a]pyridine analogues as antiproliferative agents, Surendar Chitti, SrinivasaRao Singireddi, Pochana Santosh Kumar Reddy, Prakruti Trivedi, Yamini Bobde, Chandan Kumar, Krishnan Rangan, Balaram Ghosh, Kondapalli Venkata Gowri Chandra Sekhar, Bioorganic & Medicinal Chemistry Letters 29, 2551–2558 (2019). (https://doi.org/10.1016/j.bmcl.2019.08.013) (August 7, 2019).

Synthesis of C2-tetrasubstituted indolin-3-ones via Cu-catalyzed oxidative dimerization of 2-aryl indoles and cross-addition with indoles, Anoop Singh, Satheeshvarma Vanaparthi, Sachin Choudhary, Rangan Krishnan, Indresh Kumar, RSC Adv., 9, 24050-24056 (2019). (DOI: 10.1039/c9ra04741g) (July 23, 2019).

Crystal structure, DNA interactions, antioxidant and antitumor activity of thermally stable Cu(II), Ni(II) and Co(III) complexes of an N,O donor Schiff base ligand, Kadtala Venkateswarlu, Nirmala Ganji, Sreenu Daravath, Kumar Kanneboina, Krishnan Rangan, Shivaraj, Polyhedron 171, 86–97 (2019). (https://doi.org/10.1016/j.poly.2019.06.048)   (July 3, 2019)

Ultrasonication-ionic liquid synergy for the synthesis of new potent anti-tuberculosis 1,2,4-triazol-1-yl-pyrazole based spirooxindolopyrrolizidines, Vinay Pogaku, Vagolu Siva Krishna, Dharmarajan Sriram, Krishnan Rangan, Srinivas Basavoju, Bioorganic and Medicinal Chemistry Letters, 29(13), 1682-1687 (2019). (https://doi.org/10.1016/j.bmcl.2019.04.026)  (April 17, 2019)

Copper and palladium-catalyzed sequential reactions: one-pot synthesis of isoindolo[2,1-b]isoquinolin-7(5H)-ones, Hitesh Kumar Saini, Shiv Dhiman, Nitesh Kumar Nandwana, Rangan Krishnan and Anil Kumar, Organic and Biomolecular Chemistry, 17, 4281-4290 (2019). (https://doi.org/10.1039/C9OB00440H). (March 26, 2019)

Application of Polyphosphoric Acid-Mediated Acyl Migration for Regiospecific Synthesis of Diverse 2-Acylpyrroles from Chalcones, Togiti Uday Kumar, Yadagiri Thigulla, Krishnan Rangan, Anupam Bhattacharya, Journal of Heterocyclic Chemistry, 56(4), 1283-1290 (2019). (https://doi.org/10.1002/jhet.3494) (February 27, 2019).

Photophysical studies of pyrenyl cyanostyrenes:effect of trifluoromethyl substitution on gelation, Jagadish Katla, Abhijeet Ojha, Akshay J. M. Nair, Krishnan Rangan and Sriram Kanvah, New Journal of Chemistry, 42, 18297-18304 (2018). (DOI: 10.1039/c8nj04146f) (October 9, 2018)

Design, Synthesis and Biological Evaluation of Triazole-Containing 2-Phenylindole and Salicylic Acid as Quorum Sensing Inhibitors Against Pseudomonas aeruginosa, Singireddi Srinivasarao, Shashidhar Nizalapur, Tsz Tin Yu, Daniel Stanley Wenholz, Prakruti Trivedi, Balaram Ghosh, Krishnan Rangan, Naresh Kumar, and Kondapalli Venkata Gowri Chandra Sekhar, ChemistrySelect, 3, 9170-9180 (2018). (DOI: 10.1002/slct.201801622) (August 8, 2018)

Synthesis of imidazopyridine-fused indoles via one-pot sequential Knoevenagel condensation and cross dehydrogenative coupling, Vikki N. Shinde, Shiv Dhiman, Rangan Krishnan, Dalip Kumar and Anil Kumar, Organic & Biomolecular Chemistry, 16, 6123-6132 (2018). (https://doi.org/10.1039/C8OB01449C). (August 3, 2018)

One-Pot Tandem Amidation, Knoevenagel Condensation, and Palladium-Catalyzed Wacker Type Oxidation/C-O Coupling: Synthesis of Chromeno-Annulated Imidazopyridines, Khima Pandey, Krishnan Rangan, and Anil Kumar, Journal of Organic Chemistry, 83, 8026-2035 (2018). (DOI: 10.1021/acs.joc.8b00884) (June 8, 2018)

Iodine-​mediated one-​pot intramolecular decarboxylation domino reaction for accessing functionalized 2-​(1,​3,​4-​oxadiazol-​2-​yl)​anilines with carbonic anhydrase inhibitory action, Srinivas Angapelly, Sri Ramya, P. V., Rohini Sodhi, Andrea Angeli, Krishnan Rangan, Narayana Nagesh, Claudiu T. Supuran, Mohammed Arifuddin, Journal of Enzyme Inhibition and Medicinal Chemistry, 33(1), 615-628 (2018). (DOI: 10.1080/14756366.2018.1443447) (March 14, 2018)

Nickel‐Catalyzed Tandem Knoevenagel Condensation and Intramolecular Direct Arylation: Synthesis of Pyrazolo[5,1‐a]‐isoquinoline Derivatives, Shiv Dhiman, Nitesh Kumar Nandwana, Hitesh Kumar Saini, Dalip Kumar, Krishnan Rangan, Katherine N. Robertson, Mukund Jhad and Anil Kumar, Advanced Synthesis & Catalysis, 360, 1973-1983 (2018). (https://doi.org/10.1002/adsc.201701519)  (March 5, 2018)

Crystal structure, DNA binding, cleavage, antioxidant and antibacterial studies of Cu(II), Ni(II) and Co(III) complexes with 2-((furan-2-yl)methylimino)methyl)-6-ethoxyphenol Schiff base, Kadtala Venkateswarlu, Marri Pradeep Kumar, Aveli Rambabu, NarendrulaVamsikrishna, Sreenu Daravath, Krishnan Rangan, Shivaraj, Journal of Molecular Structure, 1160, 198-207 (2018). (https://doi.org/10.1016/j.molstruc.2018.02.004) (February 1, 2018)

Crystal structure of a new molecular salt:4-aminobenzenaminium 5-carboxypentanoate, Risha Mishra, Krishnan Rangan and Raghavaiah Pallepogu, Acta Cryst. E, 74, 201-205 (2018). (https://doi.org/10.1107/S2056989018000737) (January 11, 2018)

Sequential Copper-Catalyzed Sonogashira Coupling, Hydroamination and Palladium-Catalyzed Intramolecular Direct Arylation: Synthesis of Azepino-fused Isoindolinones, Hitesh K Saini, Nitesh K Nandwana, Shiv Dhiman, Krishnan Rangan, and Anil Kumar, European Journal of Organic Chemistry, 7277-7282 (2017).

Synthesis, characterization, crystal structure of bis(phenanthroline)oxalatonickel(II) pentahydrate, Krishnan Rangan, Acta Cryst. 73, A73, C960-960 (2017).

Metal-Free C‒C Bond Cleavage: One-Pot Access to 1,4-Benzoquinone linked N-Formyl Amides/Sulfonamides/Carbamates using Oxone, P.V. Sri Ramya, Srinivas Angapelly, Bathini Nagendra Babu, Chander Singh Digwal, Atulya Nagarsenkar, Gannoju Srinivasulu, B Prasanth, Mohammed Arifuddin, Kumar Kanneboina, Krishnan Rangan, and Ahmed Kamal, Asian Journal of Organic Chemistry, 6, 1008-1013 (2017).

Identification and development of pyrazolo[4,3-c]pyridine carboxamides as Mycobacterium tuberculosis pantothenate synthetase inhibitors, Suresh Amaroju, Mahalakshmi Naidu Kalaga  Singireddi Srinivasarao,  Agnieszka Napiórkowska, Ewa Augustynowicz-Kopeć, Sankaranarayanan Murugesan, Subhash Chander, Rangan  Krishnan  and  Kondapalli Venkata Gowri Chandra Sekhar, New Journal of Chemistry, 41, 347-357 (2017).

Controlled synthesis and characterization of (µ-oxalato)dimetal(II) complex of nickel. V. R. Pooja, Krishnan Rangan, Journal of Advances in Sciences and Technology, 14, 1-5, (2014).

Electrochemical, spectroscopic, and photophysical properties of structurally diverse polyazine-bridged Ru(II),Pt(II) and Os(II),Ru(II),Pt(II) supramolecular motifs, Jessica D. Knoll, Shamindri M. Arachchige, Guangbin Wang, Krishnan Rangan, Ran Miao, Samantha L. H. Higgins, Benjamin Okyere, Meihua Zhao, Paul Croasdale, Katherine Magruder, Brian Sinclair, Candace Wall, Karen J. Brewer, Inorganic Chemistry, 50, 8850-8860, (2011).

Synthesis, characterization, and study of the photophysics and photocatalytic properties of the photoinitiated electron collector [{(phen)₂Ru(dpp)}₂RhBr₂](PF₆)₅, Travis A. White, Krishnan Rangan and Karen J. Brewer, Journal of Photochemistry & Photobiology, A: Chemistry, 209, 203-209, (2010).

Solar energy conversion using photochemical molecular devices: photocatalytic hydrogen production from water using mixed-metal supramolecular complexes, Krishnan Rangan, Shamindri M. Arachchige, Jared R. Brown and Karen J. Brewer, Energy Environ. Sci., 2009,2, 410-419, (2009). (6 March 2009). https://doi.org/10.1039/B812049H. (IF 32.4).

Design Considerations for a System for Photocatalytic Hydrogen Production from Water Employing Mixed-Metal Photochemical Molecular Devices for Photoinitiated Electron Collection, Shamindri M. Arachchige, Jared R. Brown, Eric Chang, Avijita Jain, David F. Zigler, Krishnan Rangan and Karen J. Brewer, Inorganic Chemistry, 48, 1989-2000 (2009).

Silver(I) Complexes of Fluorinated Scorpionates: Ligand Effects in Silver Catalyzed Carbene Insertion into C-H Bonds of Alkanes, Krishnan Rangan, Mauro Fianchini, Shreeyukta Singh and H. V. Rasika Dias, Inorganica Chimica Acta, 362, 4347-4352 (2009).

Binuclear Complexes Containing a Methylnickel Moiety: Relevance to Organonickel Intermediates in Acetyl Coenzyme A Synthase Catalysis, William G. Dougherty, Krishnan Rangan, Molly J. O'Hagan, Glenn P. A. Yap and Charles G. Riordan, Journal of the American Chemical Society, 130, 13510-13511 (2008).

Structural Variations of Silver Ethylene Complexes Supported by Boron-Protected Fluorinated Scorpionates and the Isolation of a Ligand-Directed Silver Helix, H. V. Rasika Dias, Jiang Wu, Xiaoyu Wang and Krishnan Rangan, Inorganic Chemistry, 46, 1960-1962 (2007).

Comparing the Electronic Properties of the Low-Spin Cyano-Ferric [Fe(N4)(Cys)] Active Sites of Superoxide Reductase and P450cam Using ENDOR Spectroscopy and DFT Calculations, Tran-Chin Yang, Rebecca L. McNaughton, Michael D. Clay, Francis E. Jenney, Jr., Rangan Krishnan, Donald M. Kurtz, Jr., Michael W. W. Adams, Michael K. Johnson and Brian M. Hoffman, Journal of the American Chemical Society, 128, 16566-16578 (2006).

Geometries and Electronic Structures of Cyanide Adducts of the Non-Heme Iron Active Site of Superoxide Reductases: Vibrational and ENDOR Studies, Michael D. Clay, Tran-Chin Yang, Francis E. Jenney, Jr., Irene Y. Kung, Christopher A. Cosper, Rangan Krishnan, Donald M. Kurtz, Jr., Michael W. W. Adams, Brian M. Hoffman and Michael K. Johnson, Biochemistry, 45, 427-438 (2006).

Evidence for a Carbonyl-Containing Intermediate in the 308-nm Photolysis of trans-RhCl(CO)(PMe₃)₂, R. Krishnan and Richard H. Schultz, Inorganic Chemistry, 44, 6691-6694 (2005). https://doi.org/10.1021/ic050219k.

Tripeptide Complexes of Nickel: The Cys-Gly-Cys Motif Yields Diamidothiolato Coordination and a Metalloligand as Found in Acetyl Coenzyme A Synthase, Rangan Krishnan and Charles G. Riordan, Journal of the American Chemical Society, 126, 4484-4485 (2004). (March 20, 204). https://doi.org/10.1021/ja038086u. (IF:14.5)

Modeling the Acetyl Coenzyme A Synthase, Charles G. Riordan, Rangan Krishnan and Yoshinobu Ishikawa, Journal of Inorganic Biochemistry, 96, 22 (2003).

Thiolate-Bridged Nickel-Copper Complexes: A Binuclear Model for the Catalytic Site of Acetyl Coenzyme A Synthase, R. Krishnan, Janis K. Voo, Charles G. Riordan, Lev Zahkarov and Arnold L. Rheingold, Journal of the American Chemical Society, 125, 4422-4423 (2003). (March 19, 2003). https://doi.org/10.1021/ja0346577.

Furans Bound Face-On: Sequential Loss of CO in the Formation of [W(CO)₄(η⁴-2,5-dimethylfuran)], R. Krishnan, Hugo E. Gottlieb and Richard H. Schultz, Angewandte Chimie International Edition, 42, 2179-2181 (2003). (May 14,2003). https://doi.org/10.1002/anie.200250804.

Polynuclear Manganese Complexes Catalyzed Epoxidation of Olefins with Molecular Oxygen, R. Krishnan and S. Vancheesan, Journal of Molecular Catalysis A: Chemical, 185, 87-95 (2002). (July 8, 2002). https://doi.org/10.1016/S1381-1169(02)00005-5.

Electronic and Steric Effects in Ligand Substitution at a Transient Organometallic Species: The Reaction of W(CO)₅(Cyclohexane) with (CH₃)_nTHF and (CH₃)₂Furan (n = 1,2), R. Krishnan and Richard H. Schultz, Organometallics, 20, 3314-3322 (2001).

Synthesis, Characterization and Catalytic Activity of Polynuclear Manganese Complexes of 2,5-Dihydroxyterephthalaldehyde for Epoxidation of Olefins with H₂O₂, R. Krishnan and S. Vancheesan, Journal of Molecular Catalysis A: Chemical, 157, 15-24 (2000).

Catalase and Epoxidation Activity of Polynuclear Manganese(III)-Schiff Base Complexes, R. Krishnan and S. Vancheesan, Journal of Molecular Catalysis A: Chemical, 142, 377-382 (1999).

An Improved Heterogenized Manganese Complexes with More Active Sites as Oxidation Catalyst, R. Krishnan and S. Vancheesan, Studies in Surface Science and Catalysis, 113, 845-849 (1998).