1. Total Synthesis of the Leucetta-Derived Alkaloid Calcaridine A 

Koswatta, P. B.; Sivappa, R; Rasika, H, D.; Lovely, C. J. Synthesis, 2009, 17. 

2. Studies toward the total synthesis of the oroidin dimers

Sivappa R, Mukherjee S, Dias  H.V.R., Lovely C. J : Org. Biomol. Chem.  2009, 7, 3215-3218.

3. Total Synthesis of the Putative Structure of Nagelamide D

Bhandari, MR; Sivappa, R; Lovely, C. J. Org. Lett.  2009,  11, 1535-1538.

4. Total Synthesis of (±)-Calcaridine A and (±)-epi-Calcaridine A.   

Koswatta, P. B.; Sivappa, R; Rasika, H, D.; Lovely, C. J.  Org. Lett 2008,  10,5055-5058.

5. Studies toward the total synthesis of axinellamine and massadine.

Sivappa, R.; Hernandez, N.; He, Y.; Lovely, C. J. Org. Lett. 2007, 9, 3861-3864.

6. Oxidative reactions of tetrahydrobenzimidazole derivatives with the N-sulfonyloxaziridines.

Sivappa, R.; Koswatta, P.; Lovely, C. J. Tetrahedron Lett. 2007, 48, 5771-5775.

7. Preparation and Diels-Alder chemistry of 4-vinylimidazoles.

Du, H.; Sivappa, R.; Bhandari, M. J.; Lovely, C. J. J. Org. Chem. 2007, 72, 3741-3749. 

8. Silver-catalyzed [2,3]-rearrangement of halonium ylides derived from allyl and propargyl halides and diazoacetate.

 Pasupathy, K.; Browning, R. G.; Singh, S.; Sivappa, R.; Lovely, C. J.; Dias, H. V. R. Chem. Commun. 2007, 731-733.

9. Palladium-catalyzed substitution reactions of 4-allylimidazole derivatives.

Pasupathy, K.; Sivappa, R.; Du, H.; Lovely, C. J. Tetrahedron 2006, 62, 10555-10566.

10. New methods for imidazole functionalization - from imidazole to marine alkaloids.

He, Y.; Du, H.; Sivappa, R.; Lovely, C. J. Synlett 2006, 965-993.

11. A ring closing metathesis approach to the indole alkaloid mitralactonine.

Chavan, S. P.; Sharma, P.; Sivappa, R.; Kalkote, U. R Tetrahedron Lett. 2006, 47, 9301-9303.

12. A convergent and facile approach towards indole alkaloid mitralactonine.

Chavan, S. P.; Sharma, P.; Sivappa, R.; Kalkote, U. R. Synlett 2006, 79-82.

13. A metal cation complexation of a novel, doubly cage-annulated molecular box by electrospray ionization mass spectrometry.

Sherman, C. L.; Brodbelt, J. S.; Srinivas, G.; Sivappa, R.; Marchand, A.P. ARKIVOC 2005, 3, 1-7.

14. Short and efficient synthesis of luotonin A, B & E.

Chavan, S. P.; Sivappa, R. Tetrahedron Lett. 2004, 45, 9931-9935.

15. Total synthesis of nothapodytine B and (+/-)-mappicine

Chavan, S. P.; Sivappa, R. Tetrahedron Lett. 2004, 45, 3941-3943   

 16. A synthesis of Camptothecin

 Chavan, S. P.; Sivappa, R. Tetrahedron Lett. 2004, 45, 3113-3115

17. A facile total synthesis of rutaecarpine.

Chavan, S. P.; Sivappa, R. Tetrahedron Lett. 2004, 45, 997-999.

18. Regio- and stereochemistry of Michael addition studies of Thiele's diester.

Minter, D.E.; Smith, W.B.; Sivappa, R.; Marchand, A.P. J. Phys. Org. Chem. 2004, 17,174-179.

19. Structure of a minor reaction product formed via base promoted hydrolysis of Thiele's ester.

Watson, W. H.; Marchand, A.P.; Sivappa, R. ARKIVOC 2004, 3, 66-73.

20. Reformatsky reaction of chloroesters with carbonyl compounds with commercially available zinc.

Chavan, S. P.; Shivasankar, K.; Sivappa, R. J. Chem. Res. 2004, 6, 406-407.

21. Facile syntheses of ABC ring skeleton of camptothecin and related alkaloids.

Chavan, S. P.; Pasupathy, K.; Sivappa, R.; Venkatraman, M. S. Synth. Commun. 2004, 34, 3099-3110.

22. Enantioselective synthesis of L-CCG-I.

Chavan, S. P.; Sharma, P.; Sivappa, R.; Bhadbhade, M. M.; Gonnade, G.; Kalkote, U. R. J. Org. Chem. 2003, 68, 6817-6819.

23. Zinc mediated transesterification of b-ketoesters and coumarin synthesis.

Chavan, S. P.; Shivasankar, K.; Sivappa, R.; Kale, R. Tetrahedron Lett. 2002, 43, 8583-8586.

24. Facile synthesis of a key intermediate for the synthesis of prostanes and isoprostanes.

Chavan, S. P.; Subbarao, Y.; Chittiboin, A.; Sivappa, R. Tetrahedron: Asymm. 2001, 12, 1101-03.

25. Transesterification of ketoesters using amberlyst-15.

Chavan, S. P.; Subbarao, Y.; Dantale, S. W. Sivappa, R. Synth. Commun. 2001, 31, 281-294.