CSIR-Central Salt and Marine Chemicals Research Institute
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2022
List of Publications
2024
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46. A. Rahaman, S. Bhadra* Copper Catalyzed Construction of Amide Linkages via Coupling between Unactivated Acids and Amines, Synlett, 2023, 34(20), 2481-2485.
45. A. Rahaman, S. S. Chauhan, S. Bhadra* Recent advances in catalytic decarboxylative transformations of carboxylic acid groups attached to a non-aromatic sp2 or sp carbon, Org. Biomol. Chem., 2023, 21, 5691-5724.
44. A. K. Singh, R. D. Shinde, J. Kumar, S. Bhadra* Functionalization of alkyl groups adjacent to azoles: Application to the synthesis of alpha-functionalized carboxylic acids, Synlett, 2023, 34, 561-571. (Special Issue Chemical Synthesis and Catalysis in India, TOC graphics selected for the cover page.)
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.
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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.
32. A. Rahaman, A. K. Singh, A. Gupta, S. Bhadra* Catalytic N-Acylation of Cyclic Amines by Arylglyoxylic Acids via Radical-Radical Cross-Coupling, Eur. J. Org. Chem. 2021, 2198–2202.
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
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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
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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]
