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University of Hyderabad
Publications
Independent Research:
22. S. Kumar, P. Girase, S. P. Jadhav, B. Desai, T. Naveen,* V. Kanchupalli,* “Rh(III)-Catalyzed Regioselective [3 + 2]-Annulation of Indoles with 1,3-Enynes to Access 3H-pyrrolo[1,2-a]indol-3-ones:”
Asian. J. Org. Chem. 2025, 14, e202400810 (doi.org/10.1002/ajoc.202400810).
Book Chapter: S. Kumar, V. Kanchupalli* " Radical denitrogenative transformations of polynitrogen heterocycles" in "Topics in Denitrogenative Transformation of Nitrogen Heterocycles."
Editors P. Anbarasan (Wiley-VCH) (https://doi.org/10.1002/9783527844852.ch18).
21. B. Desai, A. Bharodiya, S. Seshathre, R. N. Patel, B. Z. Dholakiya, P. Satani, V. Kanchupalli,* T. Naveen, “Microwave-Assisted Copper-Catalyzed Electrophilic Amination of Aryl Boronic Acids: A Rapid Approach to Arylhydrazides:”
Synlett. 2025, 36, 1252–1256 (DOI: 10.1055/a-2513-8629).
20. S. Kumar, V. Kanchupalli,* “Efficient Synthesis of γ-Spirolactams via Rh(III)-Catalyzed C-H Activation/DG-Migration/Dearomatization/Spiroannulation of Indoles with 1,3-Enynes:” Org. Lett. 2024, 26, 8975–8981). (https://doi.org/10.1021/acs.orglett.4c02404)
(Front cover page)
Book Chapter: S. Kumar, V. Kanchupalli* "Rhodium-Catalyzed Functionalization of Heterocycles Through C-H Activation" in "Topics in Heterocyclic Chemistry: Functionalization of Heterocycles/Heteroaromatics through Transition Metal Catalyzed C-H Activation."
Editors: Debabrata Maiti and Upendra Sharma (Springer)
(https://doi.org/10.1007/7081_2024_71).
19. M. Mujahid,† S. Kumar,† N.P. Kalia, V. Kanchupalli,* “Synthesis of Oxaspirocyclohexa dienones via Lewis-acid Catalyzed [2+3]-Annulations of p-Quinone Methides and Iodonium Ylides:”
Adv. Synth. Catal. 2024, 366, 3283 – 3289. (https://doi.org/10.1002/adsc.202400323)
(†These authors contributed equally.)
18. S. Kumar, V. Borkar, S. Nunewar, S. Yadav, V. Kanchupalli,* "Rh(III)-Catalyzed C−H Annulation of Sulfoxonium Ylides and 1,3-Diynes: A Rapid Access to Alkynyl-1-Naphthol Derivatives.”
Chem Asian J. 2023, 18, e202201201.(https://doi.org/10.1002/asia.202201201)
17. S. Kumar, T. Sabbi, R. Pingale, P. Girase, V. Kanchupalli,* “1,3-Diynes: A Versatile Precursor in Transition-Metal C-H Functionalizations:”
Chem. Rec., 2023, 23, e202200228. (https://doi.org/10.1002/tcr.202200228)
16. S. Kumar, V. Borkar, M. Mujahid, S. Nunewar, V. Kanchupalli,* “Iodonium Ylides: An emerging and alternative carbene precursor for C-H functionalizations:”
Org. Biomol. Chem., 2023, 21, 24-38. (https://doi.org/10.1039/D2OB01644C)
15. S. Nunewar, S. Kumar, A. W. Meshram, V. Kanchupalli,* “Ru(II)-Catalyzed C−H Functionalization of 2-Arylbenzimidazoles with Iodonium Ylides: A straightforward access to bridgehead Polycyclic N-Heterocycles.”
J. Org. Chem., 2022, 87, 13757–13762. (https://doi.org/10.1021/acs.joc.2c01429)
14. S. Nunewar, S. Kumar, H. Pendam P., Pradeep G., V. Kanchupalli,* “Solvent Controlled Rh(III)-Catalyzed Switchable [4+2] Annulation of 2-ArylIndoles with Iodonium Ylides.”
Chem. Commun., 2022, 58, 6140-6143. (https://doi.org/10.1039/D2CC01386J)
13. S. Kumar, S. Nunewar, T. Sabbi, V. Kanchupalli,* “Synthesis of Indenone Derivatives by Rh(III)-Catalyzed C-H Functionalization of Sulfoxonium Ylides with 1,3-Diynes.”
Org. Lett. 2022, 24, 3395–3400. (https://doi.org/10.1021/acs.orglett.2c01166)
12. S. Kumar, S. Nunewar, V. Kanchupalli,* “Rh (III)‐Catalyzed Cross‐Coupling/Annulation of Two Carbene Precursors: Construction of Dihydrobenzo [c] chromen‐6‐one Scaffolds and Application in the Total Synthesis of Cannabinol.”
Asian. J. Org. Chem. 2022, 11, e202100689 (Selected for Hot topic). (https://doi.org/10.1002/ajoc.202100689)
11. S. Nunewar, S. Kumar, H. Pandhare, S. Nanduri, V. Kanchupalli,* “Rh(III)-Catalyzed Chemodivergent Annulations between Indoles and Iodonium Carbenes: A Rapid Access to Tri and Tetra Cyclic N-Heterocylces.”
Org. Lett. 2021, 23, 4233–4238. (https://doi.org/10.1021/acs.orglett.1c01167)
10. S. Kumar, S. Nunewar, S. Oluguttula, S. Nanduri, V. Kanchupalli,* “Recent advances in Rh(III)/Ir(III)-catalyzed C-H functionalization/annulation via carbene migratory insertion:” Org. Biomol. Chem., 2021, 19, 1438-1458. (https://doi.org/10.1039/D0OB02309D)
9. S. Nunewar, S. Kumar, S. Talakola, S. Nanduri, V. Kanchupalli,* “Co(III), Rh(III) & Ir(III)-Catalyzed Direct C–H Alkylation/ Alkenylation/ Arylation with carbene precursors.”
Chem Asian J. 2021, 16, 443-459 (Selected for HOT topic). (https://doi.org/10.1002/asia.202001219)
8. S. Kumar, S. Nunewar, K.S. Usama, V. Kanchupalli,* “Rh(III)-Catalyzed [3+2] Annulation & C-H alkenylation of Indoles with 1,3-Diynes via C-H activation.”
Eur. J. Org. Chem. 2021, 2021, 2223. (https://doi.org/10.1002/ejoc.202100212)
Publications from PhD and Postdoc:
7. Kalepu, J.; V. Kanchupalli,† Pratap, K. M.;† Lad, B. S.;† Durjay, R.; Katukojvala, S.* “Site-Selective Direct γ-Difunctionalization of Diazoenals: Application to the Synthesis of Enal-Functionalized Allenes and Furans”
Chem Asian J. 2024, e202401081. (doi.org/10.1002/asia.202401081)
(†These authors contributed equally.)
6. V. Kanchupalli; Kalepu, J.; Joseph, D.; Arshad, M.; Thorbole, L.; Katukojvala, S*. “Rhodium-Catalyzed Enal-Transfer with N-Methoxypyridazinium Salts”
Org. Lett. 2022, 24, 3850–3854. (https://doi.org/10.1021/acs.orglett.2c01424)
5. Kanchupalli, V.; Shukla, R. K.; Singh, A.; Volla, C. M. R.* “Rh(III)-Catalyzed Redox-neutral Cascade Annulation of Benzamides with p-Quinone Methides.”
Eur. J. Org. Chem. 2020, 4494-4498. (https://doi.org/10.1002/ejoc.202000863)
4. Kanchupalli, V.; Katukojvala, S.* “[1+1+3] Annulation of Diazoenals and Vinyl Azides: Direct Synthesis of Functionalized 1-Pyrrolines via a New Olefination.” Angew. Chem. Int. Ed. 2018, 57, 5433. (https://doi.org/10.1002/anie.201801976)
3. Kanchupalli, V.; Joseph, D.; Katukojvala, S.* “Pyridazine-N-Oxides as Precursors of Metallocarbenes: Rhodium-Catalyzed Transannulation with Pyrroles” Org. Lett. 2015, 17, 5878. (https://doi.org/10.1021/acs.orglett.5b03064)
2. Dawande, S. G.; Kanchupalli, V.; Lad, B. S.; Rai, J.; Katukojvala, S.* “Synergistic Rhodium (II) carboxylate and Brønsted Acid Catalysed Multicomponent Reactions of Enalcarbenoids: Direct Synthesis of α- Pyrrolylbenzylamines.”
Org.Lett. 2014,16, 3700. (https://doi.org/10.1021/ol501508f)
1. Dawande, S. G.; Kanchupalli, V.; Kalepu, J.; Chennamsetti, H.; Lad, B. S.; Katukojvala*, S. “Rhodium Enalcarbenoids: Direct synthesis of Indoles by Rhodium (II) catalysed [4+2] benzannulation of pyrroles.”
Angew. Chem. Int. Ed. 2014, 53, 4076.
(https://doi.org/10.1002/anie.201400161)
(Selected for HOT topic and cover page).
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