38. Forging spiro-dibenzoxazepane indano-succinimides through direct diastereoselective [3+2] annulation
Naskar, K.; Dandapat, D.; Mondal, I.; Salam, G.; Karmakar, S.; Chowdhury, K.; Deb, I.;*
Chem. Commun., 2026 [Link]
37. Spiro-[indene-1,2′-indolin] scaffolds via Rh(iii) catalyzed C−H activation/[3+2] spiroannulation
Mondal, I.;* Salam, G.; Karmakar, S.; Naskar, k.; Dandapat, D.; Bliss, N. S.; Chowdhury, M.; Deb, I.;*
Chem. Commun., 2026 [Link]
36. α-Functionalization of Ethers with Acridanes and Amines via Metal-Free Direct C(sp3)-H Radical- Radical Cross-Dehydrogenative Coupling
Karmakar, S.; Das, S.; Naskar, K.; Mondal, I.; Chowdhury, M.; Nongmaithem, R.; Deb, I.*
Org. Chem. Front., 2026 [Link]
35. Isoindolone, Its Derivatives, and Related Heterocyclic Analogues
Indubhusan Deb, Imtiaj Mondal, Koushik Naskar, Sudip Karmakar.
Elsevier, 2026 [Link]
34. Rapid Access to Spiro[4.6]-(di)benzodiazepine Indenes: Regioselective Rh(III)-Catalyzed Cascade C–H Activation/Spiroannulation
Naskar, K.;* Mondal, I.; Das, S.; Bliss, N. S.; Saha, M.; Dhar, S.; Deb, I.*
Org. Lett., 2025 [Link] (Selected as Cover Page)
33. Synergistic [4+1] Spiro-Annulation and Selective Ring-Opening Strategy towards γ-Spirolactams
Mondal, I.; Naskar, K.; Roy, S.; Purkait, A.; Deb, I.*
Org. Lett., 2024 [Link]
32. Diastereoselective Intramolecular Spirocyclization via C(sp3)-H Bond Functionalization Towards the Synthesis of 2,7-Diazaspiro[4.5]decane-1,3-diones
Bhowmik, A.; Naskar, K.; Roy, S.; Sahoo, A.; Deb, I.*
Adv. Synth. Catal., 2024 [Link]
31. [3+2] Cascade Ring-Closing/Ring-Opening Strategy: Access to N-Indene-tethered Amino-alcohols
Mondal, I.; Roy, S.; Naskar, K.; Karmakar, S.; Chowdhury, M.; Deb, I.*
Org. Lett., 2023 [Link]
30. A condition-tuned unorthodox approach to indole-3-carboxylic acids and anthranilic acids via carbon atom translocation
Bhowmik, A.; Naskar, K.; Roy, S.; Karmakar, S.; Sarkar, W.; Mondal, I.; Sana, A.; Deb , I.*
Chem. Commun., 2023 [Link]
29. Electrochemical C(sp3)-C(sp3) Cross-Dehydrogenative Coupling: Enabling Access to 9-Substituted Fluorescent Acridanes
Roy, S.; Karmakar, S.; Mondal, I.; Naskar, K.; Sarkar, W.; Deb, I.*
Chem. Commun., 2023 [Link]
28. Synthesis of Indene-fused Spiro-Dibenz(ox)azepines via Rh(III)-Catalyzed Cascade Regioselective C−H Activation/Annulation
Naskar, K.; Karmakar, S.; Mondal, I.; Sarkar, W.; Roy, S.; Roy, A.; Deb, I.*
Chem. Commun., 2023 [Link] (Selected as Cover Page)
27. A Radical-Radical Cross-Coupling Reaction of Xanthene with Sulfonyl Hydrazides: Facile Access to Xanthen-9-sulfone Derivatives
Das, S.;‡ Roy, S.;‡ Bhowmik, A.; Sarkar, W.; Mondal, I.; Mishra, A.; Saha, S.; Karmakar, S.; Deb, I.* (‡ Contributed equally)
Chem. Commun., 2022 [Link]
26. Regio- and Diastereoselective [3 + 2]-Spiroannulation of Benzoxazines with Chalcones: A Rh(III)- Catalyzed Redox-Neutral Approach to α-Aroyl Spiro-Indanamines
Sarkar, W.; Naskar, K.; Roy, S.; Mondal, I.; Karmakar, S.; Mishra, A.; Deb , I.*
J. Org. Chem., 2022 [Link]
25. Copper-Catalyzed Direct sp2 C-H Silylation of Arylamides Using Disilanes
Sarkar, W.;* Mishra, A.; Bhowmik, A.; Deb I.*
Org. Lett., 2021 [Link] (Selected as Cover Page)
24. Straightforward Access to Anthrone Functionalized Benzylic Amines via Organocatalytic 1,2- Addition of Anthrones to Imines at Ambient Temperature
Das, S.; Bhowmik, A.; Sarkar,W.; Mishra, A.; Deb, I.*
J. Org. Chem., 2021 [Link]
23. Diastereoselective Spirocyclization via Intramolecular C(sp3)-H Bond Functionalization Triggered by Sequential [1,5]-Hydride Shift/Cyclization Process: Approach to Spiro-tetrahydroquinolines
Bhowmik, A.; Das, S.; Sarkar, W.; Saidalavi, K. M.; Mishra, A.; Roy, A.; Deb, I.*
Adv. Synth. Catal., 2020 [Link]
22. Iridium-Catalyzed Direct C–H Arylation of Cyclic N-Sulfonyl Ketimines with Arylsiloxanes at
Room Temperature
Sarkar, W.;‡ Bhowmik, A.;‡ Das, S.; Aiswarya, B.S.; Mishra, A.;* Deb, I.* (‡ Contributed equally)
Org. Biomol. Chem., 2020 [Link]
21. Diastereoselective Spirocyclization of Benzoxazines with Nitroalkenes via Rhodium-Catalyzed C-H Functionalization/Annulation Cascade under Mild Conditions
Mishra, A.; Bhowmik, A.; Samanta, S.; Sarkar, W.; Das, S.; Deb, I.*
Org. Lett., 2020 [Link]
20. Diastereoselective Spirocyclization of Cyclic N-Sulfonyl Ketimines with Nitroalkenes via Iridium- Catalyzed Redox Neutral Cascade Reaction
Mishra, A.; Mukherjee, U.; Sarkar, W., Meduri, S. L.; Bhowmik, A.; Deb, I.*
Org. Lett., 2019 [Link] (Selected as Cover Page)
19. Copper-Mediated Direct and Selective C–H Thiolation of Quinazolinones
Sarkar, W.;† Mishra, A.;† Bhowmik, A.; Deb, I.* Asian J. Org. Chem. 2019, DOI: 10.1002/ajoc.201900199 (Link)
(†Contributed equally)
18. Cobalt-Catalyzed Directed sp2 C–H Acetoxylation of Arenes Employing Mn(OAc)3. 2H2O as Acetoxy Source.
Sarkar, W.; Bhowmik, A.;† Mishra, A.;† Vats, T. K.; Deb, I.* Adv. Synth. Catal. 2018, DOI: 10.1002/adsc.201800398 (Link)
(†Contributed equally)
17. Rhodium‐Catalyzed Direct and Selective ortho C–H Chalcogenation of N‐(Hetero)aryl‐7‐azaindoles.
Vats, T. K.;† Mishra, A.;† Deb, I.* Adv. Synth. Catal. 2018, 360, 2291. (Link)
(†Contributed equally)
16. Ir(III)/MPAA-Catalyzed Mild and Selective C–H Amidation of N-Sulfonyl Ketimines: Access To Benzosultam-Fused Quinazolines/Quinazolinones
Mishra, A.*; Mukherjee, U.; Vats, T. K.; Deb, I.* J. Org. Chem. 2018, 83, 3756 (Link)
15. Rhodium-Catalyzed sp2 C−H Acetoxylation of N-Aryl Azaindoles/N-Heteroaryl Indolines.
Mishra, A.;† Vats, T. K.;† Nair, M. P.; Das, A.; Deb, I.* J. Org. Chem. 2017, 82, 12406 (Link)
(†Contributed equally)
14. Ruthenium-Catalyzed Direct and Selective C−H Cyanation of N‑(Hetero)aryl-7-azaindoles
Mishra, A.; Vats, T. K., Deb, I.* J. Org. Chem. 2016, 81, 6525 (Link)
13. Palladium-Catalyzed Oxidative Cyclization for the Synthesis of Indolyl/Pyrrolyl 3-Phosphonates
Mishra, A.; Deb, I.* Adv. Synth. Catal. 2016, 358, 2267 (Link)
12. “Facile Access to Ring-Fused Aminals via Direct α-Amination of Secondary Amines with ortho-Aminobenzaldehydes. Synthesis of Vasicine, Deoxyva-sicine, Deoxyvasicinone, Mackinazolinone and Ruteacarpine” Richers, M. T.; Deb, Indubhusan, Platonova, A. Y.; Zhang, C.: Seidel, Daniel. Synthesis 2013, 1730-1748.
11. “Conjugate Addition of Curcumins to Chalcones and Azodicarboxylates” Ayyagari, N.; Mehta A.; Deb, Indubhusan; Mobin, S. M.; Namboothiri, I. N. N. Tetrahedron 2013, 69, 5973-5980.
10. “Phenanthridine Synthesis through Iron-Catalyzed Intramolecular N-Arylation of O-Acetyl Oxime” Deb, Indubhusan, Yoshikai, Org. Lett. 2013, 15, 4254-4257.
9. “Palladium-Catalyzed Aerobic Oxidative Cyclization of N-Aryl Imines: Indole Synthesis from Anilines and Ketones” Wei, Ye; Deb, Indubhusan, Yoshikai, J. Am. Chem. Soc. 2012, 134, 1201-1204. [Highlighted in SYNFACTS 2012 and Angew Chem. Int Ed. 2013]
8. “Redox-Neutral Indole Annulation Cascades” Haibach, M. C.; Deb, Indubhusan; De, C. K.; Seidel, Daniel J. Am. Chem. Soc. 2011, 133, 2100-2103. [Top 20 most downloaded articles in Feb, 2011 and Highlighted in SYNFACTS 2011, 440]
7. “Redox Isomerization via Azomethine Ylide Intermediates: N-Alkyl Indoles from Indolines and Aldehydes” Deb, Indubhusan; Das, D.; Seidel, Daniel Org. Lett. 2011, 13, 812-815.
6. “Decarboxylative Formation of N-Alkyl Pyrroles from 4-Hydroxyproline” Deb, Indubhusan; Coiro, D.; Seidel, Daniel. Chem. Commun. 2011, 47, 6473-6475.
5. “Retro-Claisen Condensation vs Pyrrole Formation in Reactions of Amines and 1,3-Diketones” Deb, Indubhusan; Seidel, Daniel. Tetrahedron Lett. 2010, 51, 2945-2947.
4. “Catalytic Enantioselective Intramolecular Redox Reactions: Ring-Fused Tetrahydroquinolines” Murarka, S.; Deb, Indubhusan; Zhang, C.; Seidel, Daniel. J. Am. Chem. Soc. 2009, 131, 13226-13227. [Highlighted in SYNFORM 2009/09 as well as SYNFACTS 2009(12), 352].
3. “Morita-Baylis- Hillman Reactions Between Conjugated Nitroalkenes or Nitrodienes and Carbonyl Compounds” Deb, Indubhusan; Shanbhag, P.; Mobin, S. M.; Namboothiri, I. N. N. Eur. J. Org. Chem. 2009, 4091-4101.
2. “Synthesis of Benzo-Fused Medium Ring Cyclic Ethers via Michael Addition-Ring Closing Metathesis Strategy Involving Nitroaliphatic Compounds” Deb, Indubhusan; John, S.; Namboothiri, I. N. N. Tetrahedron 2007, 63, 11991-11997.
1“Hydroxyalkylation of Conjugated Nitroalkenes with Activated Nonenolizable Carbonyl Compounds” Deb, Indubhusan; Dadwal, M.; S. M Mobin; Namboothiri, I. N. N. Org. Lett. 2006, 8, 1201-1204.