List of Publications
Pranav Shridhar Mahulkar, Sofaya Joshi, Shyam Kumar Banjare, Lamphiza O Najiar and Ponneri C. Ravikumar
Expanding the Scope of Alkynes in C–H Activation: Weak Chelation-Assisted Cobalt-Catalyzed Synthesis of Indole C(4)-Acrylophenone via C–O Bond Cleavage of Propargylic Ethers.
Org. Lett., 2024, 26, 2091-2096.
(Invited Contribution, Virtual Special Issue Celebrating 25 years of CRSI)
Sofaya Joshi, Riya Dutta, Shyam Kumar Banjare, Annapurna Saxena and Ponneri C. Ravikumar
Weak-chelation Assisted Regioselective Indole C(4)-Alkynylation via Six-membered Cobaltacycle Intermediate.
Adv. Synth. Catal., 2024, ASAP (https://doi.org/10.1002/adsc.202301194)
Smruti Ranjan Mohanty, Namrata Prusty, Tanmayee Nanda, Pranav Shridhar Mahulkar and Ponneri C. Ravikumar
Directing Group Assisted Selective C-H activation of Six-Membered N-heterocycles and Benzo Fused N-heterocycles
Org. Chem. Front., 2024, 11, 540-575
(Invited Review, Part of the themed collection: "Organic Chemistry Frontiers HOT Articles")
Tanmayee Nanda, Ashish Dharmedra Shukla, Shubham Kumar Dhal, Muhammed Fastheem, and Ponneri C. Ravikumar
N-Heterocyclic Carbene Catalyzed Base assisted C-C bond Cleavage of Cyclopropenone: An Approach Towards Diastereoselective Synthesis of Azetidinone and Benzoxazepines
Org. Chem. Front., 2023, 10, 6166-6171.
(Invited Contribution)
Tanmayee Nanda, Shubham Kumar Dhal, Gopal Krushna Das Adhikari, Namrata Prusty and Ponneri C. Ravikumar
Carboamination and Olefination: Ortho C-H Functionalization of Phenoxyacetamide
Chem. Commun., 2023, 59, 8818-8821.
(Invited Contribution for the "2023 CRSI Medal Winners Collection")
Pragati Biswal,# Tanmayee Nanda,# Shyam Kumar Banjare, Smruti Ranjan Mohanty, Ranjit Mishra, and Ponneri C. Ravikumar
N-allylbenzimidazole as a strategic surrogate in Rh-catalyzed stereoselective trans-propenylation of aryl C(sp2)-H bond.
Chem. Commun., 2023, 59, 199-202.
(Invited contribution for "Pioneering Investigators Collection 2023")
Gopal Krushna Das Adhikari, Smruti Ranjan Mohanty, Shyam Kumar Banjare, Namrata Prusty, Gajiram Murmu and Ponneri C. Ravikumar
Annulation of Indole-2-Carboxamides with Bicycloalkenes Catalyzed by Ru(II) at Room Temperature: An Easy Access to β-Carboline-1-one Derivatives under Mild Conditions.
J. Org. Chem., 2023, 88, 952-959.
(JOC Most Downloaded/Most Read article)
Pragati Biswal, Tanmayee Nanda, Namrata Prusty, Smruti Ranjan Mohanty and Ponneri C. Ravikumar
Rhodium-Catalyzed Synthesis of 2-Methylindoles via C–N Bond Cleavage of N-Allylbenzimidazole
J. Org. Chem., 2023, 88, 7988-7997.
(Selected as Editor's Choice Article, Most Downloaded/Most Read article)
Shyam Kumar Banjare, Saista Afreen, Pranav Shridhar Mahulkar, Annapurna Saxena and Ponneri C. Ravikumar
Uncovering the Reactivity of Cobalt-catalyst Towards Regioselective Hydroarylation of 1,6-Diyne via Weak-chelation Assisted C-H Bond Activation
Adv. Synth. Catal., 2023, 365, 1997-1982.
Bedadyuti Vedvyas Pati, Nitha Nahan Puthalath, Shyam Kumar Banjare, Tanmayee Nanda and Ponneri C. Ravikumar
Transition Metal-catalyzed C-H/C-C Activation and Coupling with 1,3-Diyne.
Org. Biomol. Chem., 2023, 21, 2842-2869
Shyam Kumar Banjare, Annapurna Saxena, Tanmayee Nanda, Namrata Prusty, Sofaya Joshi, and Ponneri C. Ravikumar
Weak-Chelation Assisted Cobalt-Catalyzed C–H Bond Activation: An Approach Toward Regioselective Ethynylation of N-Aryl γ-Lactam.
Org. Lett., 2023, 25, 251-255.
Tanmayee Nanda,# M Fastheem,# Astha Linda, Bedadyuti Vedvyas Pati, Shyam Kumar Banjare, Pragati Biswal, and Ponneri C. Ravikumar
Recent Advancement in Palladium-Catalyzed C-C bond Activation of Strained Ring Systems: Three and four-membered carbocycles as prominent C3/C4 building blocks
ACS Catal. 2022, 12, 13247-13281. (# equal contribution)
Tanmayee Nanda, Shyam Kumar Banjare, Wang-Yeuk Kong, Wentao Guo, Pragati Biswal, Lokesh Gupta, Astha Linda, Bedadyuti Vedvyas Pati, Smruti Ranjan Mohanty, Dean J. Tantillo and Ponneri C. Ravikumar
Breaking the Monotony: Cobalt and Maleimide as an Entrant to the Olefin-Mediated Ortho C–H Functionalization
ACS Catal. 2022, 12, 11651–11659
Shyam Kumar Banjare, Pranav Shridhar Mahulkar, Tanmayee Nanda, Bedadyuti Vedvyas Pati, Lamphiza O Najiar and Ponneri C. Ravikumar
Diverse reactivity of alkynes in C-H activation reactions.
Namrata Prusty, Smruti Ranjan Mohanty, Shyam Kumar Banjare, Tanmayee Nanda, and Ponneri C. Ravikumar
Switching the Reactivity of the Nickel-Catalyzed Reaction of 2‑Pyridones with Alkynes: Easy Access to Polyaryl/Polyalkyl Quinolinones
Bedadyuti Vedvyas Pati, Shyam Kumar Banjare, Gopal Krushna Das Adhikari, Tanmayee Nanda, and Ponneri C. Ravikumar
Rhodium-Catalyzed Selective C(sp2)–H Activation/Annulation of tert-Butyl Benzoyloxycarbamates with 1,3-Diynes: A One Step Access to Alkynylated Isocoumarins and Bis-Isocoumarins
Smruti Ranjan Mohanty, Namrata Prusty, Tanmayee Nanda, Shyam Kumar Banjare and Ponneri C. Ravikumar
Pyridone Directed Ru-Catalyzed Olefination of sp2(C–H) Bond Using Michael Acceptors: Creation of Drug Analogues
J. Org. Chem. 2022, 87, 6189.
Gopal Krusna Das Adhikari, Bedadyuti Vedvyas Pati, Tanmayee Nanda, Pragati Biswal, Shyam Kumar Banjare and Ponneri C. Ravikumar
Co(II)-Catalyzed C–H/N–H Annulation of Cyclic Alkenes with Indole-2-carboxamides at Room Temperature: One-Step Access to β-Carboline-1-one Derivatives
J. Org. Chem. 2022, 87, 4438
Gopal Krusna Das Adhikari, Bedadyuti Vedvyas Pati, Smruti Ranjan Mohanty, Namrata Prusty, and Ponneri C. Ravikumar
Co(II)-Catalysed C−H/N−H Annulation of Cyclic Alkenes with Benzamides at Room Temperature: An Easy Access to the Core Skeleton of Hexahydrobenzo[c]phenanthridine-type Alkaloids
Asian J. Org. Chem. 2022, e202200150
Bedadyuti Vedvyas Pati, Asit Ghosh, Komal Yadav, Shyam Kumar Banjare, Shalini Pandey, Upakarasamy Lourderaj, and Ponneri C. Ravikumar
Palladium-Catalyzed Selective C-C Bond Cleavage and Stereoselective Alkenylation between Cyclopropanol and 1,3-Diyne: One-Step Synthesis of Diverse Conjugated Enynes
Chem. Sci., 2022, 13, 2692.
Smruti Ranjan Mohanty, Namrata Prusty, Shyam Kumar Banjare, Tanmayee Nanda, and Ponneri C. Ravikumar
Overcoming the Challenges toward Selective C(6)–H Functionalization of 2-Pyridone with Maleimide through Mn(I)-Catalyst: Easy Access to All-Carbon Quaternary Center
Org. Lett. 2022, 24, 848-852
Namrata Prusty#, Shyam Kumar Banjare#, Smruti Ranjan Mohanty, Tanmayee Nanda, Komal Yadav, and Ponneri C. Ravikumar
Synthesis and Photophysical Study of Heteropolycyclic and Carbazole Motif: Nickel-Catalyzed Chelate-Assisted Cascade C–H Activations/Annulations
Org. Lett. 2021, 23, 9041-9046 (# equal contribution)
Shyam Kumar Banjare#, Tanmayee Nanda#, Bedadyuti Vedvyas Pati, Gopal Krushna Das Adhikari, Juhi Dutta, and Ponneri C. Ravikumar
Breaking the Trend: Insight into Unforeseen Reactivity of Alkynes in Cobalt-Catalyzed Weak Chelation-Assisted Regioselective C(4)−H Functionalization of 3‑Pivaloyl Indole
ACS Catal. 2021, 11, 11579−11587 (# equal contribution)
Tanmayee Nanda, Smruti Ranjan Mohanty, and Ponneri C. Ravikumar
Book Chapter: Recent advances in Multicomponent reaction through C-H bond functionalization.
Handbook of CH Functionalizations (CHF), Wiley-VCH Publishers, 2022. https://doi.org/10.1002/9783527834242.chf0218
(Accepted: Oct 2021, & Published: Oct. 2022)
Pragati Biswal, Namrata Prusty, and Ponneri C. Ravikumar
Book Chapter: Synthesis of Hetropolycyclic Aromatic Hydrocarbons (PAHs) through Directed C-H Functionalization.
Handbook of CH Functionalizations (CHF), Wiley-VCH Publishers, 2022. https://doi.org/10.1002/9783527834242.chf0215
(Accepted: Oct. 2021 & Published: Nov. 2022)
Shyam Kumar Banjare, Bedadyuti Vedvyas Pati, and Ponneri C. Ravikumar
Book Chapter: First-row transition metal (Mn, Fe, Co, Ni, Cu) catalyzed C- H bond functionalization through weak chelation.
Handbook of CH Functionalizations (CHF), Wiley-VCH Publishers, 2022. https://doi.org/10.1002/9783527834242.chf0220
(Accepted: Oct. 2021, & Published: Oct, 2022)
Smruti Ranjan Mohanty, Namrata Prusty, Lokesh Gupta, Pragati Biswal, and Ponneri Chandrababu Ravikumar
Cobalt(III)-Catalyzed C-6 Alkenylation of 2-Pyridones by Using Terminal Alkyne with High Regioselectivity
Badadyuti Vedvyas Pati, Prateep Singh Sagara, Asit Ghosh, Gopal Krushna Das Adhikari, and Ponneri Chandrababu Ravikumar
Ruthenium-Catalyzed Regioselective C(sp2)–H Activation/Annulation of N-(7-Azaindole)amides with 1,3-Diynes Using N-Amino-7-azaindole as the N, N-Bidentate Directing Group
Tanmayee Nanda, Pragati Biswal, Bedadyuti Vedvyas Pati, Shyam Kumar Banjare, and Ponneri Chandrababu Ravikumar
Namrata Prusty, Lakshmanakumar Kinthada, Rohit Meena, Rajesh Chebolu, and Ponneri Chandrababu Ravikumar
Bismuth (III)-Catalyzed Regioselective Alkylation of Tetrahydro-quinolines and indolines towards the synthesis of Bioactive core-Biaryl oxindole and CYP19 inhibitor
Shyam Kumar Banjare, Tanmayee Nanda, Bedadyuti Vedvyas Pati, Pragati Biswal, and Ponneri Chandrababu Ravikumar
O-directed C–H functionalization via cobaltacycles: A sustainable approach for C–C and C–heteroatom bond formations
Bedadyuti Vedvyas Pati, Prateep Singh Sagara, Asit Ghosh, Smruti Ranjan Mohanty, and Ponneri Chandrababu Ravikumar
Ruthenium-Catalyzed Cross Dehydrogenative Annulation of N-(7-Azaindole)benzamides with Maleimides: One-Step Access to Highly Functionalized Pyrroloisoquinoline
Smruti Ranjan Mohanty, Bedadyuti Vedvyas Pati, Shyam Kumar Banjare, Gopal Krushna Das Adhikari, and Ponneri Chandrababu Ravikumar
Pragati Biswal, Shyam Kumar Banjare, Bedadyuti Vedvyas Pati, Smruti Ranjan Mohanty, and Ponneri Chandrababu Ravikumar
Rhodium-Catalyzed One-Pot Access to N-Polycyclic Aromatic Hydrocarbons from Aryl Ketones through Triple C–H Bond Activations
J. Org. Chem., 2021, 86, 1108.
Gopal Krusna Das Adhikari, Rajesh Chebolu, Ponneri Chandrababu Ravikumar
Regio- and Stereoselective Synthesis of the Core Structure of Hexahydrobenzo[c]phenanthridine Alkaloids via Redox-Neutral Cp*Rh(III)-Catalyzed C–H/N–H Annulation of Cyclic Alkenes with Benzamides
ACS Omega, 2020, 5, 24033.
Bedadyuti Vedvyas Pati#, Asit Ghosh#, P. C. Ravikumar
Rhodium-Catalyzed Room Temperature C–C Activation of Cyclopropanol for One-Step Access to Diverse 1,6-Diketones
Org. Lett, 2020, 22, 2854. (# equal contribution)
Shyam Kumar Banjare, Pragati Biswal, Ponneri Chandrababu Ravikumar
Cobalt-Catalyzed One-Step Access to Pyroquilon and C-7 Alkenylation of Indoline with Activated Alkenes Using Weakly Coordinating Functional Group
J. Org. Chem., 2020, 85, 5330.
Tanmayee Nanda, P. C. Ravikumar
A Palladium-Catalyzed Cascade C–C Activation of Cyclopropenone and Carbonylative Amination: Easy Access to Highly Functionalized Maleimide Derivatives
Org. Lett., 2020, 22, 1368
Highlighted in Organic Chemistry Portal
Pragati Biswal, Bedadyuti Vedvyas Pati, Rajesh Chebolu, Asit Ghosh, P. C. Ravikumar
Hydroxylamine‐O‐Sulfonic Acid (HOSA) as a Redox‐Neutral Directing Group: Rhodium-Catalyzed, Additive Free, One‐Pot Synthesis of Isoquinolines from Arylketones
Eur. J. Org. Chem., 2020, 1006
Editor's Choice "Very Important Paper"
Highlighted in "Synfacts, 2020, 16, 776"
Shyam Kumar Banjare, Tanmayee Nanda, and P. C. Ravikumar
Cobalt-Catalyzed Regioselective Direct C‑4 Alkenylation of 3‑Acetylindole with Michael Acceptors Using a Weakly Coordinating Functional Group
Org. Lett., 2019, 21, 8138
Prateep Singh Sagara, Prem Felix Siril, and Ponneri Chandrababu Ravikumar
N-Amino-7-Azaindole as N, N’- Bidentate Directing Group: Ruthenium-Catalyzed Oxidative Annulation of N-(7-Azaindole) Benzamides with Alkynes via C-H Bond Activation
J. Org. Chem., 2019, 84, 12314
Shyam Kumar Banjare, Rajesh Chebolu, and P. C. Ravikumar
Cobalt Catalyzed Hydroarylation of Michael Acceptors with Indolines Directed by a Weakly Coordinating Functional Group
Org. Lett., 2019, 21, 4049
Ashish Bahuguna, Suneel Kumar, Vipul Sharma, Kumbam Lingeshwar Reddy, Kaustava Bhattacharyya, P. C. Ravikumar and Venkata Krishnan
Nanocomposite of MoS2-RGO as facile, heterogeneous, recyclable and highly efficient Green catalyst for one-pot synthesis of indole alkaloids
ACS Sustainable Chem. Eng., 2017, 10, 8551. (Cover Page Article)
Reena Sharma, Sona Mohammadi-Ostad-Kalayeh, Frank Stahl, Carsten Zeilinger, Gerald Dräger, Andreas Kirschning, P. C. Ravikumar
Two new labdane diterpenoids and one new β-lactam from the aerial parts of Roylea cinerea
Phytochemistry Letters, 2017, 19, 101
Ashish Bahuguna, Reena Sharma, Prateep Singh Sagara and P. C. Ravikumar
Exploration of aberrant behavior of Grignard reagents with Indole 3- carboxaldehyde: Application to the synthesis of natural products, Turbomycin B and Vibrindole A derivatives
Synlett, 2017, 28, 117
Vivek Kumar Mishra, P. C. Ravikumar and Martin E. Maier
Formal Total Synthesis of Amphidinolide Q
Rajesh Chebolu, Ashish Bahuguna, Reena Sharma, Vivek K. Mishra and P. C. Ravikumar
An Unusual Chemoselective Oxidation Strategy by an Unprecedented Exploration of Electrophilic Center of DMSO: A New Facet to Classical DMSO Oxidation
Chem. Commun., 2015, 15, 15438
Vivek Kumar Mishra, Ponneri C. Ravikumar and Martin E. Maier
C–H-Activation approach towards the core structure of the alkaloid g-lycorane
Tetrahedron, 2016, 72, 6499
Reena Sharma, Rajesh Chebolu, P. C. Ravikumar
Isolation and structural elucidation of two new labdane diterpenoids from the aerial part of Roylea cinerea
Phytochemistry Letters, 2015, 13, 187