Dr. Pankaj Chauhan's Research Group IIT Jammu

E. Jafari, P. Chauhan, M. Kumar, X.-Y. Chen, S. Li, C. von Essen, K. Rissanen and D. Enders, Organocatalytic Asymmetric Synthesis of Trifluoromethylated Tetrahydrocarbazoles via a Vinylogous Michael/Aldol Formal [4+2] Annulation, Eur. J. Org. Chem. 2018, 2462-2465.

2. M. Kumar, P. Chauhan, S. Bailey, E. Jafari, C. von Essen, K. Rissanen and D. Enders, Organocatalytic Oxa-

Michael/Michael/Michael/Aldol Condensation Quadruple Domino Sequence: Asymmetric Synthesis of Tricyclic

Chromanes, Org. Lett. 2018, 20, 1232-1235.

3. X.-Y. Chen, Q. Liu, P. Chauhan and D. Enders, N-Heterocyclic Carbene Catalysis via Azolium Dienolates: An Efficient Strategy for Enantioselective Remote Functionalizations, Angew. Chem. Int. Ed. 2018, 57, 3862-3873.

4. F. Vetica, P. Chauhan, S. Mahajan, G. Raabe, D. Enders, Asymmetric Organocatalytic Friedel–Crafts Hydroxyalkylation of Indoles Using Electrophilic Pyrazole-4, 5-diones, Synthesis, 2018, 50, 1039-1046.

5. E. Jafari, D. S. Kundu, P. Chauhan, V. P. R. Gajulapalli, C. v. Essen, K. Rissanen, D. Enders, Organocatalytic Enantioselective Vinylogous Henry Reaction of 3,5-Dimethyl-4-nitroisoxazole with Trifluoromethyl Ketones, Synthesis,2018, 50, 323-329.

6. U. Kaya, P. Chauhan*, S. Mahajan, K. Deckers, A. Valkonen, K. Rissanen and D. Enders, Asymmetric Squaramide Catalyzed Domino aza-Friedel-Crafts/N,O-Acetalization Reactions Between Naphthols and Pyrazolinone Ketimines, Angew. Chem. Int. Ed.2017, 56, 15358-15362.

7. P. Chauhan, S. Mahajan, D. Enders, Achieving Molecular Complexity via Stereoselective Multiple Domino Reactions Promoted by a Secondary Amine Organocatalyst, Acc. Chem. Res. 2017, 50, 2809-2821.

8. P. Chauhan, S. Mahajan, U. Kaya, A. Peuronen, K. Rissanen and D. Enders, Asymmetric Synthesis of Amino-Bis-Pyrazolone Derivatives via an Organocatalytic Mannich Reaction, J. Org. Chem. 2017, 82, 7050-7058.

9. P. Chauhan, U. Kaya and D. Enders, Advances in Organocatalytic 1,6-Addition Reactions: Enantioselective Construction of Remote Stereogenic Centers, Adv. Synth. Catal. 2017, 359, 888-912.

10. F. Vetica, S. Bailey, P. Chauhan, M. Turberg, A. Ghaur, G. Raabe AND D. Enders, Desymmetrization of Cyclopentenediones via Organocatalytic Cross-Dehydrogenative Coupling, Adv. Synth. Catal. 2017, 359, 3729-3734.

11. F. Vetica, P. Chauhan, S. Dochain and D. Enders, Asymmetric Organocatalytic Methods for the Synthesis of Tetrahydropyrans and Their Application in Total Synthesis, Chem. Soc. Rev. 2017, 46, 1661-1674.

12. S. Mahajan, P. Chauhan, U. Kaya, K. Deckers, K. Rissanen and D. Enders, Enantioselective synthesis of pyrazolone α-aminonitrile derivatives via an organocatalytic Strecker reaction, Chem. Commun. 2017, 6633-6636.

13. M. Kumar, P. Chauhan, A. Valkonen, K. Rissanen and D. Enders, Asymmetric Synthesis of Functionalized Tricyclic Chromanes via an Organocatalyzed Triple Domino Reaction, Org. Lett. 2017, 19, 3025-3028.

14. X.-Y. Chen, Q. Liu, P. Chauhan, S. Li, A. Peuronen, K. Rissanen, E. Jafari and D. Enders, N-Heterocyclic Carbene Catalyzed[4+2] Annulation of Enals via a Double Vinylogous Michael Addition: Asymmetric Synthesis of 3,5-Diaryl Cyclohexenones, Angew. Chem. Int. Ed. 2017, 56, 6241-6245

15. S. Li, L. Wang, P. Chauhan, A. Peuronen, K. Rissanen and D. Enders, Asymmetric Synthesis of five-membered Spiropyrazolones via N-Heterocyclic Carbene-Catalyzed [3+2] Annulations, Synthesis 2017, 49, 1808-1815.

16. P. Chauhan, S. Mahajan, U. Kaya, R. Puttreddy, K. Rissanen and D. Enders, Asymmetric Synthesis of Spiro β-Lactams via a Squaramide Catalyzed sulfa-Michael Addition/Dynamic Kinetic Resolution Protocol, Adv. Synth. Catal. 2016, 358, 3173-3178.

17. S. Mahajan, P. Chauhan, A. Kumar and S. S. Chimni, Organocatalytic Enantioselective Synthesis of N-Alkyl/Aryl-3-alkyl-pyrrolidine-2,5-dione in Brine, Tetrahedron: Asymmetry, 2016, 27, 1145-1152.

18. U. Kaya, P. Chauhan, K. Deckers, R. Puttreddy, K. Rissanen, G. Raabe and D. Enders, Asymmetric Synthesis of Tetrahydrobenzofurans and Annulated Dihydropyrans via Cooperative One-Pot Organo- and Silver Catalysis, Synthesis2016, 48, 3207-3216.

19. L. Wang, S. Li, P. Chauhan, D. Hack, A. R. Philipps, R. Puttreddy, K. Rissanen, G. Raabe and D. Enders, Asymmetric Three Component One-Pot Synthesis of Spiropyrazolones and 2,5-Chromene-diones via Aldol Condensation/NHC-Catalyzed Annulation Reactions, Chem. Eur. J. 2016, 22, 5123-5127.

20. S. Mahajan, P. Chauhan, M. Blümel, R. Puttreddy, K. Rissanen, G. Raabe and D. Enders, Asymmetric Synthesis of Spiro Tetrahydrothiophene-Indan-1,3-Diones via a Squaramide-Catalyzed sulfa-Michael/Aldol Domino Reaction, Synthesis2016, 48, 1131-1138.

21. D. Hack, A. B. Dürr, K. Deckers, P. Chauhan, N. Seling, L. Rübenach, L. Mertens, G. Raabe, F. Schoenebeck and D. Enders, Asymmetric Synthesis of Spiropyrazolones by Sequential Organo- and Silver Catalysis, Angew. Chem. Int. Ed. 2016, 55, 1797-1800.

22. U. Kaya, P. Chauhan, D. Hack, K. Deckers, R. Puttreddy, K. Rissanen and D. Enders, Enantioselective synthesis of 4H-pyranonaphthoquinones via sequential squaramide and silver catalysis, Chem. Commun. 2016, 52, 1669-1672.

23. P. Chauhan, S. Mahajan and D. Enders, Asymmetric Synthesis of Pyrazoles and Pyrazolones Employing the Reactivity of Pyrazolin-5-one Derivatives, Chem. Commun. 2015, 51, 12890-12907.

24. P. Chauhan, S. Mahajan, U. Kaya, D. Hack and D. Enders, Bifunctional Squaramides: Powerful Hydrogen-Bonding Organocatalysts for Asymmetric Domino/Cascade Reactions, Adv. Synth. Catal. 2015, 357, 253-281.

25. P. Chauhan, S. Mahajan, G. Raabe and D. Enders, Organocatalytic One-pot 1,4-/1,6-/1,2-Addition Sequence for the Stereocontrolled Formation of Six Consecutive Stereocenters, Chem. Commun. 2015, 51, 2270-2272.

26. P. Chauhan and D. Enders, Organocatalytic Quadruple Domino Reactions: an Efficient Strategy for the Asymmetric Synthesis of Complex Molecules, The Takasago Times, 2015, 176, 45-50.

27. M. Blümel, P. Chauhan, C. Vermeeren, A. Dreier, C. Lehmann and D. Enders, Asymmetric Organocatalytic Synthesis of Highly Functionalized Spirocyclohexane Indandiones via a One-Pot Michael/Michael/Aldol Sequence, Synthesis 2015, 47, 3618-3628.

28. D. Hack, M. Blümel, P. Chauhan, A. Phillips and D. Enders, Catalytic Conia-Ene and Related Reactions, Chem. Soc. Rev. 2015, 44, 6059-6093.

29. D. Hack, P. Chauhan, K. Deckers, G. Raabe and D. Enders, Combining Silver- and Organocatalysis: an Enantioselective Sequential Catalytic Approach Towards Pyrano-annulated Pyrazoles Chem. Commun. 2015, 51, 2266-2269.

30. C. Beceno, P. Chauhan, A. Rembiak, A. Wang and D. Enders, Brønsted Acid Catalyzed Enantioselective Synthesis of Isatin Derived N,S-Acetals, Adv. Synth. Catal. 2015, 357, 672-676.

31. S. Mahajan, P. Chauhan, C. C. J. Loh, S. Uzungelis, G. Raabe and D. Enders, Organocatalytic Asymmetric Domino Michael/Henry Reaction of Indolin-3-ones with o-Formyl-β-nitrostyrenes, Synthesis 2015, 47, 1024-1031.

32. P. Chauhan and D. Enders, N-Heterocyclic Carbene Catalyzed Activation of Esters: A New Option for Asymmetric Domino Reactions, Angew. Chem. Int. Ed. 2014, 53, 1485-1487.

33. P. Chauhan, S. Mahajan and D. Enders, Organocatalytic Carbon-Sulfur Bond Forming Reactions, Chem. Rev. 2014, 114, 8807-8864.

34. P. Chauhan, S. Mahajan, C. C. J. Loh, G. Raabe and D. Enders, Stereocontrolled Construction of Six Vicinal Stereogenic Centers on Spiropyrazolones via Organocascade Michael/Michael/1,2-Addition Reactions, Org. Lett. 2014, 16, 2954-2957.

35. P. Chauhan, G. Urbanietz, G. Raabe and D. Enders, Asymmetric Synthesis of Functionalized Cyclohexanes Bearing Five Stereocenters via a One-pot Organocatalytic Michael/Michael/1,2-Addition Sequence, Chem. Commun. 2014, 50, 6853-6855.

36. M. Blümel, P. Chauhan, R. Hahn, G. Raabe and D. Enders, Asymmetric Synthesis of Tetrahydropyridines via an Organocatalytic One-pot Multi-component Michael/aza-Henry/Cyclization Triple Domino Reaction, Org. Lett. 2014, 16, 6012-6015.

37. D. Hack, P. Chauhan, K. Deckers, H. Gary, M. Lucas, G. Raabe and D. Enders, Combining Silver Catalysis and Organocatalysis: A Sequential Michael Addition/Hydroalkoxylation One-Pot Approach to Annulated Coumarins, Org. Lett. 2014, 16, 5188-5191.

38. C. C. J. Loh, P. Chauhan, D. Hack, C. Lehmann and D. Enders, Rapid Asymmetric Synthesis of Highly Functionalized Indanols via a Michael/Henry Organocascade with Submol% Squaramide Catalyst Loadings, Adv. Synth. Catal. 2014, 356, 3181-3186.