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Dr. Indresh Kumar

Professor & Head of Department, Department of Chemistry, BITS Pilani, Pilani Campus

Department of Chemistry, Birla Institute of Technology & Science, Pilani- 333031, Rajasthan. India.

Publications

 

 

54. Electrochemical Synthesis of 2-Aryl-3-(2-aminoaryl)quinoxalines via Oxidative Dearomatization/Ring-Opening/Cyclization Cascade Sequence of 2-Arylindoles with 1,2-Diaminoarenes, Y. K. Nagare, J. Yadav, A. J. Dolas, I. A. Shah, K. Rangan, R. Choudhary, E. Iype, and Indresh Kumar,; J. Org. Chem., 2023, (ASAP).

 

NJC

53. Two-pot sequential multicomponent metal-free synthesis of pyrrolo[2,3-d]pyridazin-7-ones and pyrrolo[2,3-d]pyrizidines, Mamta, N. A. Mir, J. Yadav, A. P. Pawar, R. Sharma, R. Kant, K. Rangan, E. Iype, B. Khungar, Indresh Kumar; New J. Chem. 2023 (ASAP).

 

52_RSC_Advances
52. Sustainable smart anti-corrosion coating materials derived from vegetable oil derivatives: a review, P. Singh, A. Rana, N. Karak, Indresh Kumar, S. Rana, P. Kumar,; RSC Adv., 2023, 13, 3910-3941.

 

51. Electrochemical Oxidative Addition of Nucleophiles on 2-Arylindoles: Synthesis of C2-Heteroquaternary Indolin-3-ones. Y. K. Nagare, I. A. Shah, J. Yadav, A. P. Pawar, K. Rangan, R. Choudhary, E. Iype, Indresh Kumar,; J. Org. Chem., 2022, 87, 15771–15782.

50_Organic_letters

50. Enantioselective Direct Synthesis of C3-Hydroxyalkylated Pyrrole via Amine Catalyzed Aldol/Paal-Knorr Reaction Sequence. A. P. Pawar, J. Yadav, A. J. Dolas, Y. K. Nagare, E. Iype, K. Rangan, Indresh Kumar,; Org. Lett., 2022, 24, 7549-7554.

49. 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; Org. Biomol. Chem., 2022,19, 10601-10610

48. Stereoselective Oxidative Mannich Reaction of Ketones with Dihydrodibenzo-Oxazepines via a Merger of Photoredox-/Electro-Catalysis with Organocatalysis, Y. Hussain; D. Sharma; N. Kotwal; Indresh Kumar, P. Chauhan; ChemSusChem, 2022, 15, e202200415.

47. Two-pot synthesis and photophysical studies of 1,6-disubstituted 5-aza-indoles from succinaldehyde and N-aryl propargylic-imines; Satheeshvarma Vanaparthi, Mamta, Jyothi Yadav, Amol Prakash Pawar, Eldhose Iype, Krishnan Rangan, Sravendra Rana and Indresh Kumar; Org. Biomol. Chem., 2021,19, 10601-10610.

46. In silico and in vitro assays reveal potential inhibitors against 3CLpro main protease of SARS-CoV-2; Eldhose Iype, Jisha Pillai U, Indresh Kumar, Silvia V. Gaastra-Nedea, Ramachandran Subramanian, Ranendra Narayan Saha, Mainak Dutta; Journal of Biomolecular Structure and Dynamics. 2021, (https://doi.org/10.1080/07391102.2021.1977181).

 

45. Vitrimers based on bio-derived chemicals: Overview and future prospects; Balaji Krishnakumar, Andrea Pucci, Prakash P. Wadgaonkar, Indresh Kumar, Wolfgang H. Binder, Sravendra Rana; Chemical Engineering Journal, https://doi.org/10.1016/j.cej.2021.133261. 2022, 433, 133261. (impact factor = 13.27)

44. Asymmetric Synthesis of Bridged N-Heterocycles with Tertiary Carbon Center through Barbas Dienamine-Catalysis: Scope and Applications; Jyothi Yadav, Atul Jankiram Dolas, Eldhose Iype, Krishnan Rangan, Joji Ohshita, Dalip Kumar, and Indresh Kumar; J. Org. Chem. 2021, 86, 17213-17225.

43. Electrochemical Oxidative Coupling Between Benzylic C(sp3)–H and N–H of Secondary Amines: Rapid Synthesis of α-Amino α-Aryl Esters; Yadav Kacharu Nagare, Imtiyaz Ahmad Shah, Jyothi Yadav, Amol Prakash Pawar, Rahul Choudhary, Pankaj Chauhan, and Indresh Kumar; J. Org. Chem. 2021, 86, 9682-9691.

Chemcomm_42

42. 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 and Indresh Kumar; Chem. Commun. 2021, 57, 251-254.

Chemcomm_42_1
JOC_41

41. 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*; J. Org. Chem. 2020, 85, 14094-14108.

JOC_41_1
NJC_40

40. Sequential multicomponent catalytic synthesis of pyrrole-3-carboxaldehydes: Evaluation for antibacterial and antifungal activities along with docking studies; Nisar A. Mir, Panduga Ramaraju, Satheeshvarma Vanaparthi, Sachin Choudhary, Rajnish P. Singh, Preetika Sharma, Rajni Kant, Rajpal Singh, Murugesan Sankaranarayanan, and Indresh Kumar*; New J. Chem. 2020, 44, 16329-16339.

Org_Biomol_Chem_39

39. Sequential multicomponent site-selective synthesis of 4-iodo and 5-iodopyrrole-3-carboxaldehydes by tuning the conditions from a common set of starting materials; S. Choudhary, J. Yadav, Mamta, A. P. Pawar, S. Vanaparthi, N. A. Mir, E. Iype, D. K. Sharma, R. Kant, and Indresh Kumar*; Org. Biomol. Chem., 2020, 18, 1155-1164.


Org_Biomol_Chem_39-1
JOC_38

38. Enantio- and Diastereoselective Two-Pot Synthesis of Isoquinuclidines from Glutaraldehyde and N-Aryl Imines with DFT-Calculations; Panduga Ramaraju, Amol. P. Pawar, E. Iype, N. A. Mir, S. Choudhary, D. K. Sharma, R. Kant, Indresh Kumar*; J. Org. Chem., 2019, 84, 12408-12419.


JOC_38-1
RSC_Adv_37

37. Synthesis of C2-tetrasubstituted indolin-3-ones via Cu-catalyzed oxidative dimerization of 2-aryl indoles and cross-addition with indoles; A. Singh, S. Vanaparthi, S. Choudhary, R. Krishnan, Indresh Kumar*; RSC Adv., 2019, 9, 24050-24056.


RSC_Adv_37_1
NJC_36

36. A simple entry to tetracyclic oxazepine-fused pyrroles via metal-free [3+2] annulation between dibenzo[b,f][1,4] oxazepines and aqueous succinaldehyde; S. Choudhary, A. Singh, J. Yadav, N. A. Mir, S. Anthal, R. Kant, and Indresh Kumar*; New J. Chem., 2019, 43, 953-962.


NJC_36_1
J_Org_Chem_35

35. One-Pot Synthesis of Chiral Tetracyclic Dibenzo[b,f][1,4]oxazepine-Fused 1,2-Dihydropyridines (DHPs) under Metal-Free Conditions; S. Choudhary, A. P. Pawar, J. Yadav, D. K. Sharma, R. Kant, and Indresh Kumar*; J. Org. Chem., 2018, 83, 9231-9239.


J_Org_Chem_35_1
RSC_Adv_34

34. One-pot sequential multicomponent reaction between in situ generated aldimines and succinaldehyde: facile synthesis of substituted pyrrole-3-carbaldehydes and applications towards medicinally important fused heterocycles; A. Singh, N. A. Mir, S. Choudhary, D. Singh, P. Sharma, R. Kant and Indresh Kumar*; RSC Adv., 2018, 8, 15448-15458.


RSC_Adv_34-1
Eur_J_Org_Chem_33

33. Metal-free regioselective formation of C–N and C–O bonds with the utilization of diaryliodonium salts in water: facile synthesis of N-arylquinolones and aryloxyquinolines; Manish K. Mehra, Mukund P. Tantak, V. Arun, Indresh Kumar and Dalip Kumar; Org. Biomol. Chem., 2017, 15, 4956-4961.


Eur_J_Org_Chem_33-1
Eur_J_Org_Chem_32

32. An unprecedented pseudo-[3+2] annulation between N-PMP-aldimines and aqueous glutaraldehyde: Direct synthesis of pyrrole-2,4-dialdehydes; P. Ramaraju, N. A. Mir, D. Singh, P. Sharma, R. Kant, and Indresh Kumar*; Eur. J. Org. Chem., 2017, 3461-3465.


Eur_J_Org_Chem_32-1
Eur_J_Org_Chem_31

31. Synthesis of Quinazolinones, Imidazo[1,2-c]quinazolines and Imidazo[4,5-c]quinolines through Tandem Reductive Amination of Aryl Halides and Oxidative Amination of C(sp3)–H Bonds; N. K. Nandwana, S. Dhiman, H. K. Saini, Indresh Kumar, A. Kumar, Eur. J. Org. Chem., 2017, 514-522.


Eur_J_Org_Chem_31-1
RSC_Adv_30

30. Enantioselective synthesis of 1,2,5,6-tetrahydropyridines (THPs) via proline-catalyzed direct Mannich-cyclization/domino oxidation–reduction sequence: application for medicinally important N-heterocycles; P. Ramaraju, N. A. Mir, D. Singh, Indresh Kumar*; RSC Adv., 2016, 6, 60422-60432.


RSC_Adv_30-1
RSC_Adv_29

29. Microwave assisted aminocatalyzed [3+2] annulation between α-iminonitriles and succinaldehyde: Synthesis of pyrrole-3-methanols and related polycyclic ring systems; N. A. Mir, S. Choudhary, P. Ramaraju, D. Singh, Indresh Kumar*, RSC Adv., 2016, 6, 39741-39749.


RSC_Adv_29_1
 

28. Synthesis and Crystal Structure of 5, 5-diphenyldihydrofuran-2(3H)-one(5); R. Kant, P. Sharma, P. Ramaraju, A. Singh, Indresh Kumar, S. Anthal; ISOR Journal of Applied Chemistry, 2016, 9(3), 28-31.

Synlett_27

27. Microwave-Assisted Metal- and Ligand-Free O-Arylation of Quinolones Using Diaryliodonium Salts: An Easy and Rapid Synthesis of Aryloxyquinolines; M. K. Mehta, M. P. Tantak, Indresh Kumar, D. Kumar, Synlett., 2016, 27, 604-610.


Synlett_27-1
Org_Lett_26

26. Enantioselective Synthesis of N‑PMP-1,2-dihydropyridines via Formal [4 + 2] Cycloaddition between Aqueous Glutaraldehyde and Imines; P. Ramaraju, N. A. Mir, D. Singh, V. K. Gupta, R. Kant, Indresh Kumar*, Org. Lett., 2015, 17, 5582-5585. Highlighted in SYNFACTS (Synfacts 2016, 12(1), 0026).


Org_Lett_26-1
Org_Biomo_Chem_25

25. Linear dialdehydes as promising substrates for aminocatalyzed transformations; Indresh Kumar*, P. Ramaraju, N. A. Mir, A. Singh, Org. Biomol. Chem., 2015, 13, 1280-1293.


Org_Biomo_Chem_25-1
RSC_Adv_24

24. Direct catalytic synthesis of densely substituted 3-formylpyrroles from imines and 1,4-ketoaldehydes; Indresh Kumar*, N. A. Mir, P. Ramaraju, D. Singh, V. K. Gupta, Rajnikant; RSC Adv., 2014, 4, 34548-34551.


RSC_Adv_24-1
RSC Adv_23-1

23. 1,3-Carbon D-A strategy for [3+2] cycloadditions/annulations with imines: Synthesis of functionalized pyrrolidines and related alkaloids; Indresh Kumar*, RSC Adv., 2014, 4, 16397-16408.


RSC Adv_23-1
Chem_Commun_2013_22

22. Highly enantioselective [4+2] annulation via organocatalytic Mannich-reductive cyclization: one-pot synthesis of functionalized piperidines; Indresh Kumar*, P. Ramaraju, N. A. Mir, Deepika Singh, V. K. Gupta, Rajnikant; Chem. Commun. 2013, 49, 5645-5647. 


Chem_Commun_2013_22-1
Org_Biomol_Chem_21

21. Asymmetric Trienamine Catalysis: New Opportunities in Amine Catalysis; Indresh Kumar*, P. Ramaraju, N. A. Mir, Org. Biomol. Chem., 2013, 11, 709-716.


Org_Biomol_Chem_21-1
RSC Adv_20

20. Organocatalytic Mannich/cyclization/ aromatization sequence: direct synthesis of substituted pyrrole-3-carboxaldehydes; Indresh Kumar*, N. A. Mir, P. Ramaraju, B. P. Wakhloo, RSC Adv. 2012, 2, 8922-8925.


RSC_Adv_20-1
Chem_Commun_19

19. An organocatalytic direct Mannich/cyclization cascade as [3+2] annulation: Asymmetric synthesis of 2,3-substituted pyrrolidines; Indresh Kumar*, N. A. Mir, V. K. Gupta, Rajnikant; Chem. Commun. 2012, 48, 6975-6977.


Chem_Commun_19-1
Tetrahedron_18

18. Intramolecular Huisgen [3+2] cycloaddition in water: Synthesis of fused pyrrolidine-triazoles; Indresh Kumar*, N. A. Mir, C. V. Rode, B. P. Wakhloo; Tetrahedron: Asymmetry 2012, 23, 225-229.


Tetrahedron_18
Methoxy-N_17

17. 4-Methoxy-N-(4-nitrobenzyl)aniline, K. Kapoor, V. K. Gupta, Indresh Kumar, N. A. Mir, R. Kant, Acta Crystallographica Section E 2012, E68, o988.

Cycloaddition_Reactions_16

16. Cycloaddition Reactions: A Controlled Approach for Carbon Nanotube Functionalization; Indresh Kumar, S. Rana, J. W. Cho; Chem. Eur. J. 2011, 17, 11092-11101.


Cycloaddition_Reactions_16-1
Dynamic Equilibrium_15

15. Dynamic Equilibrium: Is it an important concept in chemical biology? D. B. Ramachary, Indresh Kumar; J. Ind. Inst. Sci. 2011, 91:4, 455-470. (ISSN No: 0970-4140).


Dynamic Equilibrium:
JACS

 

(During Post-Doc program)
14. Organocatalytic, Enantioselective Intramolecular [6+2] Cycloaddition Reaction for the formation of Tricyclopentanoids and Insight on its Mechanism from a Computational Study; Hayashi, Yujiro; G., Hiroaki; H., Masakazu; S., Kuppusamy; Kumar, Indresh; I., Hayato; K., Kohzo; Y., Hiroharu; T., Seiji; U., Tadafumi; J. Am. Chem. Soc. 2011, 133, 20175-20185. Highlighted in SYNFACTS (Synfacts 2012; 8(2): 0212 DOI: 10.1055/s-0031-1290038).

JACS_14
 
(During Ph.D. thesis) 
13. Proline catalyzed direct diastereoselective 6-enolexo aldolization: Towards for the synthesis of imino sugars (DNJ); Indresh Kumar, C. V. Rode; Tetrahedron: Asymmetry 2010, 21, 2703-2708.
 
12. Synthesis and Characterization of Polyurethane-Grafted Single-Walled Carbon Nanotubes via Click-chemistry; S. Rana, J. W. Cho, Indresh Kumar; J. Nanosci. Nanotechnol., 2010, 10, 5700-5707.
 
11. Synthesis of hybrid 1,2,3-triazolo-δ-lactums/lactones using intermolecular Huisgen [3+2] dipolar cycloaddition ‘click-chemistry’ in water; Indresh Kumar, S. Rana, J. W. Cho, C. V. Rode; Tetrahedron: Asymmetry 2010, 21, 352-355.
 
10. Assembly of Gold Nanoparticles on Single-Walled Carbon Nanotubes by Using Click Chemistry; S. Rana, Indresh Kumar, H. J. Yoo, J. W. Cho; J. Nanosci. Nanotechnol., 2009, 9, 3261-3263.
 
9. Photodegradation of EPDM/MWCNT Nanocomposites: Effect of Singlet Oxygen; B. Kumar, Indresh Kumar, R. P. Singh; POLYMER COMPOSITES, 2009, 30, 855-860.
 
8. unctionalization of Single-Walled Carbon Nanotubes with Azides Derived from Amino Acids Using Click Chemistry; Indresh Kumar, S. Rana, C. V. Rode, J. W. Cho; J. Nanosci. Nanotechnol., 2008, 8, 3351-3356.
 
7. Phosphotungstic acid on silica with modified acid sites as a solid catalyst for selective cleavage of tert-butyldimethylsilyl ethers; M. H. Bhure, Indresh Kumar, A. D. Natu, R. C. Chikate, C. V. Rode; Catalysis Communications 2008, 9 (9), 1863-1868.
 
6. Facile and highly selective deprotection of tert-butyldimethyl silyl ethers using sulfated SnO2 as a solid catalyst; M. H. Bhure, Indresh Kumar, A. D. Natu, C. V. Rode; Synthetic Communications 2008, 38, 346-353.
 
5. L-Proline Catalyzed Direct Diastereoselective Aldol Reactions: Towards the Synthesis of lyxo-(2S,3S,4S)-Phytosphingosine; Indresh Kumar, C. V. Rode; Tetrahedron: Asymmetry 2007, 18, 1975-1980.
 
4. Asymmetric synthesis of a 3,4-substituted pyrrolidine by L-proline catalyzed direct enolexo aldolization; Indresh Kumar, S. R. Bhide, C. V. Rode; Tetrahedron: Asymmetry 2007, 18, 1210-1216.
 
3. Efficient synthesis of fused 1,2,3-triazolo-δ-lactams using Huisgen [3+2] dipolar cycloaddition click-chemistry’ in water; Indresh Kumar, C. V. Rode; Chemistry Letters 2007, 5, 592-593.
 
2. Stereoselective synthesis of 2-amino-1,3,5, hexane triols using L-Proline catalyzed aldol reaction; Indresh Kumar, C. V. Rode; Tetrahedron: Asymmetry 2006, 17, 763-766.
 
1. 2-Iodoxy Benzoic Acid (IBX): A versatile reagent; Indresh Kumar; Syn Lett. 2005, 9, 1488-1489.