Independent Publications (from CSIR-CDRI)

11."Copper/Zinc-Catalyzed Stitching of 2‑Carbonylanilines with 2 Bis(ynamides): Access to Pyrrolo[2,3‑b]quinolines and Its 3 Photophysical Studies "  

Shivani Choudhary, Gayyur, Arnab Mandal, Abhijit Patra, Ruchir Kant and Nayan Ghosh* 

J. Org. Chem., 2024, 89, 9, 6274-6280

https://doi.org/10.1021/acs.joc.4c00267 

10."Twofold Heteroannulation Reactions Enabled by Gold(I)/Zinc(II) Catalysts: Synthesis of Amine-Substituted Diaryl[c,h][1,6]naphthyridines"  

Gayyur, Shivani Choudhary, Ruchir Kant and Nayan Ghosh* 

Org. Lett. 2023, 25, 40, 7400-7405

https://doi.org/10.1021/acs.orglett.3c02899 

9."Insights on discovery, efficacy, safety and clinical applications of ghrelin receptor agonist capromorelin in veterinary medicine" 

Manisha Rathore, Nabanita Das, Nayan Ghosh  and Rajdeep Guha*

Veterinary Research Communications (2023) (review) 

https://link.springer.com/article/10.1007/s11259-023-10184-0 

8."Leveraging Zn(II) Catalyst: Synthesis of Amidoquinolines via (3 + 3) Heteroannulation of Aromatic Amines and Ynamides " 

Shivani Choudhary, Gayyur, Ruchir Kant and Nayan Ghosh* 

J. Org. Chem., 2023, 15, 10555-10564 

https://doi.org/10.1021/acs.joc.3c00568 

6. "Sequential Cu(II)-Catalyzed Multicomponent C-N Coupling, Nucleophilic Addition and Cyclization Cascade: A Diastereoselective Approach to Carboxamide-Embedded Hexahydrobenzofuran Core " 

Anchal Saxena and Nayan Ghosh* 

J.Org.Chem., 2023, 88, 1, 300-309, pubs.acs.org/doi/10.1021/acs.joc.2c02320 

5. "Gold(I)-Catalyzed and PTSA-Promoted Cycloisomerization of Ynamides to Access Pyrrole Substituted a, b-Unsaturated Ketones" 

Shivani Choudhary, Gayyur and Nayan Ghosh* 

Eur. J. Org. Chem, 2023 e202201223

(Invited)   https://doi.org/10.1002/ejoc.202201223 

4. "Phase III, Randomized, Double-blind, Placebo controlled trial of Efficacy, Safety and Tolerability of Antiviral drug Umifenovir vs Standard care of therapy in non-severe COVID-19 patients" 

Ramachandran, R.; Bhosale, V.; Reddy, H.; Atam, V.; Faridi, M. M. A.; Fatima, J.; Shukla, V.; Khan, Z. A.; Khan, H.; Singh, V.; Negi, M. P. S.; Srivastava, M.; Srivastava, A. K.; Tripathi, C. B.; Ghosh, N.; Majumdar, N.; Tripathi, R. K.; Rath, S. K.; Mishra, P. R.; Sharma, S.; Kundu, T. K.  

International Journal of Infectious Diseases 2022, 115, 62-69  https://doi.org/10.1016/j.ijid.2021.11.025

3. "Cu(II)-catalyzed [4 + 1] and [4 + 3] annulation reactions: a modular approach to N-aryl/alkyl substituted 2,5-diamidopyrroles and diazepines" 

Shivani Choudhary, Gayyur and Nayan Ghosh * 

Org.  Biomol. Chem., 2022, 20, 7017-7021  https://doi.org/10.1039/D2OB01458K.

1"Gold-Catalyzed Homo- and Cross-Annulation of Alkynyl Carboxylic Acids: Facile Access to Substituted 4-Hydroxy 2H-Pyrones and Total Synthesis of Pseudopyronine A" 

Gayyur, Shivani Choudhary, Anchal Saxena, and Nayan Ghosh * 

Org. Biomol. Chem., 2020, 18, 8716 (https://doi.org/10.1039/D0OB01700K.)

P.hD and Post-doc Publications

12. "Solvent Effect in Gold(I)-Catalyzed Domino Reaction: Access to Furopyrans" Patrick Wagner, Nayan Ghosh, Vincent Gandon*, and Gaelle Blond* Org. Lett. 2020, 22, 18, 7333–7337 (https://pubs.acs.org/doi/10.1021/acs.orglett.0c02663)

11. "Gold(I)-Catalyzed Synthesis of Furopyrans: Insight into HeteroDiels−Alder Reactions" Romain Pertschi, Patrick Wagner, Nayan Ghosh, Vincent Gandon*, and Gaelle Blond * Org. Lett. 2019,21,6084−6088 (pubs.acs.org/doi/10.1021/acs.orglett.9b02228)

10. “Cyclization and Cycloisomerization of π-Tethered Ynamides: An Expedient Synthetic Method to Construct Carbo- and Heterocycles” B. Prabagar, Nayan Ghosh, Akhila K. Sahoo* Synlett(Invited Review) 2017, DOI: 10.1055/s-0036-1590877.

9. "Ag(I)-Catalyzed Cycloisomerization and Cyclization of Ketene Aminals: Construction of Azepine and 1,2-Dihydropyridine Derivatives" Sanatan Nayak, B. Prabagar, Nayan Ghosh, Rajendra K. Mallick, and akhila Kumar Sahoo* Synthsis, 2017, DOI: 10.1055/s-0036-1588841 

8. “Silyl-Substituted Planar Chiral Phosphoric Acids with Ferrocene-bridged Paracyclophane Frameworks: Synthesis, Characterization, and Uses in Enantioselective aza-Friedel-Crafts Reaction” Jeremy Stemper, Kevin Isaac, Nayan Ghosh, Hortense Lauwick, Leduc Gaetan, Pascal Retailleau, Arnaud Voituriez*, Jean-francois Betzer* and Angela Marinetti* Advanced Synthesis & Catalysis, 2017, 359, 519-526.

7. “Hopping of Palladium: Access to Original Polycyclic Structures Containing Three-, Four-, Five- and Six-Membered RingsNayan Ghosh, Carmen Maiereanu, Jean Suffert* and Gaelle Blond* Synlett, 2016, DOI: 10.1055/s-0036-1588658.

6. p-TsOH Promoted Au(I)-Catalyzed Consecutive Endo Cyclization of Yne-Tethered Ynamide: Access to Benzofused Dihydroisoquinolones Sanatan Nayak, Nayan Ghosh, B Prabagar and Akhila K. Sahoo* Org. Lett., 2015, 17, 5662. 

5. “Access to Cyclobutene-Fused Azepines through Au-Catalyzed Cycloisomerization of Stable Alkyne Tethered Ketene N,N-Acetals” Sanatan Nayak, Nayan Ghosh and Akhila K. Sahoo* Org. Lett., 2014, 16, 2996-2999.

4. “Synthesis of a-acyloxy-a′-halo ketones through gold-catalyzed hydration of halo-propargyl acetate” Nayan Ghosh, Sanatan Nayak, B Prabagar and Akhila K. Sahoo* J. Org. Chem. 2014, 79, 2453-2462.

3. “Gold(I)-Catalyzed 6-endo-dig Hydrative Cyclization of Alkyne-Tethered-Ynamide: Access to 1,6-Dihydropyridin-2(3H)-ones” Nayan Ghosh, Sanatan Nayak and Akhila K. Sahoo* Chem. -Eur. J. 2013, 19, 9428-9433.

2. “Gold-Catalyzed Regioselective Hydration of Propargyl Acetates Assisted by Neighboring Carbonyl Group: Access to a-Acyloxy Methyl Ketones and Synthesis of Actinopolymorphol B” Nayan Ghosh, Sanatan Nayak and Akhila K. Sahoo* J. Org. Chem. 2011, 76, 500-511. 

1. “Crystal engineering with acid and pyridine heteromeric synthon: neutral and ionic co-crystals” Ramkinkar Santra, Nayan Ghosh and Kumar Biradha *New J. Chem. 2008, 32, 1673-1676.