CSIR-Central Salt and Marine Chemicals Research Institute
<meta name="msvalidate.01" content="42E7FC48F324D3DDFF9EB52F37CF9D81" />
List of Publications
2025
.jpg)
2022
43. S. Bhadra, S. Subramanian, A. K. Singh, S. Dabas "AN INTEGRATED PROCESS FOR THE PREPARATION OF ALPHA-CAMPHOLENIC ALDEHYDE WITH IODINE RECOVERY", Indian Patent Application No. 202311015548 filed dated 7th March 2023.
.webp)
42. A. Rahaman, R. D. Shinde, S. Bhadra* Catalytic Methylene Insertion between Amines and Terminal Alkynes via C–N Bond Cleavage of N,N-Dimethylacetamide: A Unique Route to Propargylic Amines, J. Org. Chem. 2023, 88, 3, 1884-1889.
41. A. Rahaman, A. Gupta, J. Kumar, S. Bhadra* “a-Functionalization of Aliphatic Carboxylic Acid Equivalents via direct C-H oxidation. In Handbook of CH-Functionalization (CHF) (Diverse Strategies), Ed: D. Maity, John Wiley & Sons, Ltd, United Kingdom. DOI: doi.org/10.1002/9783527834242.chf0077.
40. J. Kumar, A. Gupta, A. Rahaman, S. Bhadra* Transition metal catalyzed C(sp3)–H bond functionalization adjacent to heterocycles. In Handbook of CH-Functionalization (CHF) (Versatile Metal Catalysis), Ed: D. Maity, John Wiley & Sons, Ltd, United Kingdom. DOI: doi.org/10.1002/9783527834242.chf0015.
38. J. Kumar, A. K. Singh, A. Gupta, S. Bhadra* Enhancing the Extent of Enolization for α-C–H Bonds of Aliphatic Carboxylic Acid Equivalents via Ion Pair Catalysis: Application toward α-Chalcogenation, J. Org. Chem. 2022, 87, 9, 6330–6335.
37. A. K. Singh, J. Kumar, S. Bhadra* Catalytic Direct Cyanomethylenation of C(sp3)–H Bonds via a One-Step Double C–C Bond Formation, J. Org. Chem. 2022, 87, 2, 1512–1517.
2021
36. S. Bhadra,* J. Kumar, A. K. Singh "A PROCESS FOR THE PREPARATION OF 2-(ARYLTHIO)-N-PYRIDIN-2-YLARYL ACETAMIDES AND THEIR HYDROCHLORIDE SALTS", Indian Patent Application No. 202111045098, date of filing- October 04, 2021.
35. S. Subramanian, S. Bhadra, A. V. Biradar "New catalytic processes for perfumery chemicals", CSIR-CSMCRI R&D achievements, Chemical Industry Digest., October 2021 issue, pp 40-45.
34. A. Gupta, J. Kumar, A. Rahaman, A. K. Singh, S. Bhadra* Functionalization of C(sp3)-H bonds adjacent to heterocycles catalyzed by earth abundant transition metals, Tetrahedron, 2021, 98, 132415 (Selected as front cover page).
33. A. Gupta, S. Gundekari, S. Bhadra *C(sp3)–H Bond Hetero-functionalization of Aliphatic Carboxylic Acid Equivalents Enabled by Transition Metals. In Catalysis for Clean Energy and Environmental Sustainability, Vol I, Ed: Pant K.K., Gupta S.K., Ahmad E., Springer Nature, Switzerland. https://doi.org/10.1007/978-3-030-65017-9_13, pp 383-427.
2020
31. S. Bhadra, S.C. Ghosh, S. Adimurthy, J. Kumar, C. Sen, D. Rawat “PROCESS FOR THE PREPARATION OF CAMOSTAT MESYLATE INTERMEDIATES”, Indian Patent Application No. 202011047949, date of filing- November 02, 2020.
29. J. Kumar, A. Rahaman, A. K. Singh, S. Bhadra * Catalytic approaches for the direct heterofunctionalization of aliphatic carboxylic acids and their equivalents with group16 elements, Chem. Asian J. 2020, 15, 673-689.
2019
.jpg)
27. J. Kumar, A. Gupta, S. Bhadra* Pd(II)-Catalyzed methoxylation of C(sp3)–H bonds benzoxazoles and benzothiazoles, Org. Biomol. Chem. 2019, 17, 3314–3318.
2018
.jpg)
25. S. Bhadra,* H. Yamamoto* Substrate directed asymmetric reactions, Chem. Rev. 2018, 118, 3391−3446.
2016 and Earlier
24. S. Bhadra,* H. Yamamoto,* Catalytic asymmetric synthesis of N-chiral amine oxides, Angew. Chem. Int. Ed. 2016, 55, 13043–13046. [10.1002/anie.201606354] Highlighted in Synfacts 2016, 12, 1282–1282)
23. S. Bhadra,* M. Akakura, H. Yamamoto,* Design of a new bimetallic catalyst for asymmetricepoxidation and Sulfoxidation, J. Am. Chem. Soc. 2015, 137, 15612–15615. [10.1021/jacs.5b11429] (Highlighted in Synfacts 2016, 12, 0272–0272).
22. S. Bhadra, C. Matheis, D. Katayev, L. J. Goossen, Copper-catalyzed dehydrogenative coupling of arenes and alcohols, Angew. Chem. Int. Ed. 2013, 52, 9279–9283. [10.1002/anie.201303702] (Selected as ‘Hot Paper’).
21. S. Bhadra, W. I. Dzik, L. J. Goossen, Synthesis of aryl ethers from benzoates via carboxylate- directed C–H activating alkoxylation with concomitant protodecarboxylation, Angew. Chem. Int. Ed. 2013, 52, 2959–2962. [10.1002/anie.201208755] (Selected as ‘Hot Paper’).
20. S. Bhadra, W. I. Dzik, L. J. Goossen, Synthesis of aryl ethers from aromatic carboxylic acids, Synthesis, 2013, 45, 2387–2390. [10.1055/s-0033-1339470]
19. S. Bhadra, W. I. Dzik, L. J. Goossen, Decarboxylative etherification of aromatic carboxylic acids, J. Am. Chem. Soc. 2012, 134, 9938–9941. [10.1021/ja304539j] (7th most downloaded paper; Highlighted in Synfacts, 2012, 8, 0001–0001).
18. D. Kundu, S. Bhadra, N. Mukherjee, B. C. Ranu, Heterogeneous Cu(II) catalyzed solvent controlled selective N-arylation of cyclic amides and amines with bromo-iodoarenes, Chem. Eur. J. 2013, 19, 15759–15768. [10.1002/chem.201302645]
17. N. Mukherjee, S. Ahammed, S. Bhadra, B. C. Ranu, Solvent-free one-pot synthesis of 1,2,3- triazole derivatives by ‘Click’ reaction of alkyl halides or aryl boronic acids, sodium azide and terminal alkynes over Cu/Al2O3 surface under ball-milling, Green Chem. 2013, 15, 389–397. [10.1039/C2GC36521A]
16. S. Ahammed, S. Bhadra, D. Kundu, B. Sreedhar, B. C. Ranu, An efficient and general procedure for the synthesis of alkynyl chalcogenides (selenides and tellurides) by alumina- supported Cu(II)-catalyzed reaction of alkynyl bromides and diphenyl dichalcogenides, Tetrahedron 2012, 68, 10542–10549. [10.1016/j.tet.2012.08.046]
15. S. Bhadra, S. Ahammed, B. C. Ranu, Iron nanoparticles-catalyzed electrophilic amination of functionalized organocopper and organozinc reagents, Curr. Org. Chem. 2012, 11, 1453–1460. [10.2174/138527212800672646]
14. T. Chatterjee, S. Bhadra, B. C. Ranu, Transition metal-free procedure for the synthesis of S-aryl dithiocarbamates using aryl diazonium fluoroborate in water at room temperature, Green Chem. 2011, 13, 1837–1842. [10.1039/C1GC00001B]
13. L. Adak, S. Bhadra, K. Chattopadhyay, B. C. Ranu, Amphiphilic allylation of activated alkenes by allyl acetates and allylstannanes catalyzed by palladium nanoparticles: an easy access to stereodefined substituted cyclohexene derivatives, New J. Chem., 2011, 35, 430–437. [10.1039/C0NJ00624F]
12. B. C. Ranu, S. Bhadra, D. Saha, Green recyclable supported catalyst for useful organic transformations, Curr. Org. Synth., 2011, 8, 146–171 (Review article). [10.1351/PAC-CON-08-11-19]
11. S. Bhadra, L. Adak, S. Samanta, A. K. M. M. Islam, M. Mukherjee, B. C. Ranu, Alumina supported Cu(II). A versatile and recyclable catalyst for regioselective ring opening of aziridines and epoxides and subsequent cyclization to functionalized 1,4-Benzoxazines and 1,4- Benzodioxanes, J. Org. Chem., 2010, 75, 8533–8541. [10.1021/jo101916e] (Highlighted in Synfacts, 2011, 3, 339– 339).
10. S. Bhadra, A. Saha and B. C. Ranu, Al2O3-supported Cu-catalyzed electrophilic substitution by PhSeBr in organoboranes, organosilanes, and organostannanes. a protocol for the synthesis of unsymmetrical diaryl and alkyl aryl selenides, J. Org. Chem., 2010, 75, 4864–4867. [10.1021/jo100755g]
9. L. Adak, S. Bhadra, B. C. Ranu, Palladium(0) nanoparticles catalyzed sp2 C–H activation: a convenient route to alkyl-aryl ketones by direct acylation of aryl bromides and iodides with aldehydes, Tetrahedron Lett., 2010, 51, 3811–3814. [10.1016/j.tetlet.2010.05.067]
8. G. Joshi, S. Bhadra, S. Ghosh, M. K. Agrawal, B. Ganguly, S. Adimurthy, P. K. Ghosh, B. C. Ranu, Making full use of the oxidizing equivalents in bromate in the selective oxidation of thiolssulfides, and benzylic/secondary alcohols into disulfides, sulfoxides, and aldehydes/ketones, Ind. Eng. Chem. Res. 2010, 49, 1236–1241. [10.1021/ie901426t]
7. R. D. Patil, S. Bhadra, S. Adimurth, B. C. Ranu, A green oxidation of methylarenes to benzoic acids with bromide/bromate couple in water, Synth. Commun., 2010, 40, 2922–2929. [10.1080/00397910903340678]
6. S. Bhadra, B. Sreedhar, B. C. Ranu, Recyclable heterogeneous supported copper-catalyzed coupling of thiols with aryl halides: Base-controlled differential arylthiolation of bromoiodobenzenes, Adv. Synth. Catal., 2009, 351, 2369–2378. [10.1002/adsc.200900358] (Highlighted in Synfacts, 2010, 1, 0116–0116).
5. S. Bhadra, B. C. Ranu, Water-promoted regioselective hydrothiolation of alkynes, Can. J. Chem., 2009, 87, 1605–1609. [10.1139/V09-130]
4. S. Bhadra, A. Saha, B. C. Ranu, One-pot copper nanoparticles-catalyzed green synthesis of S- aryl- and S-vinyl dithiocarbamates in water: high diastereoselectivity achieved for vinyl dithiocarbamates, Green Chem., 2008, 10, 1224–1230. [10.1039/B809200A ]
3. B. C. Ranu, S. Bhadra, L. Adak; Indium(III) chloride-catalyzed oxidative cleavage of carbon- carbon multiple bonds by tert-butyl hydroperoxide in water – a safer alternative to ozonolysis, Tetrahedron Lett., 2008, 49, 2588–2591. [10.1016/j.tetlet.2008.02.089]
2. B. C. Ranu, K. Chattopadhyay, L. Adak, A. Saha, S. Bhadra, R. Dey, D. Saha, Metal nanoparticles as efficient catalysts for organic reactions, Pure Appl. Chem., 2009, 81, 2337– 2354. [10.1351/PAC-CON-08-11-19]
1. B. C. Ranu, K. Chattopadhyay, Amit Saha, L. Adak, R. Jana, S. Bhadra, R. Dey, D. Saha, Potential of metal nanoparticles in organic reactions, Journal of Physics: Conference Series, 2008, 106, 12003. [10.1002/anie.200500766]