top of page

Publications

Google-Scholar-logo-for-website.png

Book/Book Chapter

  1. Intramolecular Free-Radical Cyclization Reactions and Applications, M. Mondal, & U. Bora, Science of Synthesis: Metal-Catalyzed Cyclization Reactions; Editors: Prof. Shengming Ma and Prof. Shuanhu Gao; published by Georg Thieme Verlag KG (2016)

  2. Acylation Reactions of Organoborons, M. Mondal & U. Bora, Boron Reagents in Synthesis Edited by Adiel Coca and Andrew Karatjas published by ACS Symposium Series (2016)

  3. "Prokitit Ouxodhor Xondhan aaru Taxol", U. Bora, Korkat Rugor Adhunik Chikitsa aru Pratyahban. 2018, 140, ISBN : 978-81-937452-0-5 (book published in Assamese)

  4. Metal Catalysed Oxidative Decarboxylative Cross Coupling Reactions of Benzoic Acid, P. Bora & U. Bora, Cross-Coupling Reactions an Overview, Edited by Joffrey Vrijdag, Published by Nova Science Publishers, Inc. New York (2020)

  5. Graphene as a support in heterogeneous catalysis, Konwar, D., Bhattacharjee, P., and Bora, U., in Graphene-Based Nanomaterial Catalysis Editors: Singh, M., Rai, V.K., Rai, A., Bentham Science Publishers Pte. Ltd. Singapore (2022)

  6. Nanaocatalytic carbon-carbon coupling reactions,  Bhattacharjee, P., and Bora, U.. In Advanced Nanocatalysis for Organic Synthesis and Electrocatalysis Editors: Singh, M., Rai, V.K., Rai, A., Bentham Science Publishers Pte. Ltd. Singapore (2022)

  7. Nanocellulose: A biogenic answer to sustainable heterogeneous catalysis, Saikia, R.; Sarmah, D.; Dewan, A.; Thakur, A. J.; and Bora, U., in Advances in Chemistry Research (Volume 73), Editor: James C Taylor, Nova Science Publishers (2022) (ISBN: 979-8-88697-097-5)

List of Publications

2023: 

  1. Molecular-iodine catalyzed selective construction of cyclopenta[b]indoles from indoles and acetone a green gateway to indole-fused cycles, Prantika Bhattacharjee, P.; Sarma, B.;Bora, U., Org. Biomol. Chem., 2023, 21(46), 9275

  2. Minimizing base-stoichiometry in Pd(0)/g-C3N4O catalyzed Suzuki-Miyaura cross-coupling reaction, Konwar, D; Saikia, R.; Kalita, R.; Das, M. R.; Bora, U., New J. Chem. 2023, 47(38), 17758-17768

  3. Halogen bonding assisted site-selective C-3 triaryl methylation of indoles and N-triaryl methylation of imidazoles, Konwar, D; Sarma, P; Borah, J. C.; Bora, U, Org. Biomol. Chem., 2023, 21, 6197–6204

  4. N,N’-Dimethylurea as an efficient ligand for the synthesis of pharma-relevant motifs through Chan–Lam cross-coupling strategy, Saikia, R.; Das, S.; Almin, A.; Mahanta, A.; Sarma, B.; Thakur, A. J.; Bora, U., Org. Biomol. Chem., 2023, 21, 3143–3155

  5. Pd(0)-embedded-lignocellulosic nanomaterials: A bio-tailored reusable catalyst for selective C2–H arylation of free N–H indoles, Bhattacharjee, P.; Dewan, A.; Boruah, P. K.; Das, M.R.; Bora, U., Sustainable Chemistry and Pharmacy 2023, 33, 101087

  6. Dual Responsive Sustainable Cu2O/Cu Nanocatalyst for Sonogashira and Chan‑Lam Cross‑Coupling Reactions, Sarmah, M.; Sarmah. D.; Dewan, A.; Bora, P.; Boruah, P. K.; Das, M. R.; Bharali, P.; Bora, U., Catalysis Letters, 2023, 153, 1423–1437

  7. Towards integrated sustainable biofuel and chemical production: An application of banana pseudostem ash in the production of biodiesel and recovery of lignin from bamboo leaves, Daimary N, Eldiehy, K S H, Bora, N., Boruah, P., Rather, M. A, Mandal, M, Bora, U, Deka, D, Chemosphere, 2023, 314, 137625

2022:

  1. Bimetallic Pd–Ag nanoclusters decorated micro-cellulose bio-template towards efficient catalytic Suzuki–Miyaura coupling reaction of nitrogen-rich heterocycles. Bhattacharjee, P.; Dewan, A.; Boruah, P. K.; Das, M. R.; Mahanta, S. P.; Thakur, A. J.; Bora, U. Green Chemistry, 2022, 24(18), 7208-7219, 2022.

  2. An avenue to Chan-Lam N-arylation by Cu(0) nanoparticles immobilizedgraphitic carbon-nitride oxide surface, Saikia, R.; Boruah, Ahmed, S. M.;  Das, M. R.;  Thakur, A. J.; Bora, U., Applied Catalysis A, General, 2022, 643, 118767

  3. Bio-Carbon Layered CuO Catalysed Decarboxylative Alkenylation of Cyclic Ethers, Bora, P.;  Konwar, D.;  Dewan, A.;  Das, M. R.;  Bora, U., New J. Chem. 2022, 46, 12551-12557

  4. Biogenic palladium nanostructures for Suzuki-Miyaura and Sonogashira cross-coupling reaction under mild reaction conditions; Das, S. K.; Dewan, A.; Deka, P.; Saikia, R.; Thakuria, S.; Deka, R. C.; Thakur, A. J.; Bora, U., Current Research in Green and Sustainable Chemistry, 2022, 5, 100301

  5. An attractive avenue to Chan-Lam cross-coupling: Scope and developments under Ni-catalysis; Sarmah, D., Saikia, R.,  Bora, U.; Tetrahedron, 2022, 13256202

2021:

  1. Organocatalytic dimensions to the C-H functionalization of carbocyclic core in indoles: A review update, Bhattacharjee, P.;  Bora, U.; Org. Chem. Front., 2021, 8, 2343–2365

  2. Revisiting the synthesis of aryl nitriles: a pivotal role of CAN, Saikia, R.; Park, K.; Masuda, H.; Itoh, M.; Yamada, T.; Sajiki, H.; Mahanta, S. P.; Thakur, A. J.; Bora, U., Org. Biomol. Chem., 2021, 19, 1344–1351

  3. Pd Nanoparticles Loaded Honeycomb-Structured Bionanocellulose as a Heterogeneous Catalyst for heteroaryl cross coupling reaction, Dewan, A., Sarmah, M.,  Bharali, P.,  Thakur, A. J. Boruah, P. K.; Das, M. R.,  Bora, U., ACS Sustainable Chemistry & Engineering, 2021, 9, 954−966

  4. Aqueous extracts of biomass ash as an alternative class of Green Solvents for organic transformations: A review update, Sharma, D.; Bora, K. K.; Bora, U., Sustainable Chemistry and Pharmacy, 2021, 24, 100551

  5. Recent Developments in Synthesis of Catechols by Dakin oxidation, Bora, P.; Bora, B.; Bora, U., New J. Chem., 2021, 45, 17077–17084

  6. Recent advances in the synthesis of indoles via C–H activation aided by N–N and N–S cleavage in the directing group, Sarmah, D.; Tahu, M.; Bora, U.,  Appl Organomet Chem. 2021; e6390

  7. Sustainable nano fibrillated cellulose supported in situ biogenic Pd nanoparticles as heterogeneous catalyst for C-C cross coupling reactions, Dewan, A.; Sarmah, M.,  Bhattacharjee, P.;  Bharali, P.;  Thakur, Bora, U., Sustainable Chemistry and Pharmacy, 2021, 23,  100502

  8. Recent Developments in Transition‐Metal‐Catalyzed Regioselective Functionalization of Imidazo[1, 2‐a]pyridine, Konwar, D. and Bora, U., ChemistrySelect,  2021, 6, 2716-2744

  9. Biocatalysis with Baker’s Yeast: A green and sustainable approach for C-B bond cleavage of aryl/heteroarylboronic acid and boronate esters at room temperature, Mahanta, M., Dutta, A., Thakur, A. J., Bora, U., Sustainable Chemistry and Pharmacy, 2021, 19, 100363

  10. Effective utilization of basic nature of WEB in copper catalyzed Chan-Lam N-arylation reaction under ligand free conditions, Mahanta, A.; Thakur, A. J.; Bora, U., Curr Res Green Sustain Chem,  2021, 4, 100093

  11. A sustainable approach for hydration of nitriles to amides utilising WEB as reaction medium, Das, S. K.; Bhattacharjee, P.; Sarmah, M.; Kakati, M.; Bora, U.,  Curr Res Green Sustain Chem,  2021, 4, 100071

2020:

  1. Direct C-H bond activation: Palladium-on-carbon as a reusable heterogeneous catalyst for C-2 arylation of indoles with arylboronic acids, Bhattacharjee, P., Boruah, P. K., Das, M. R., Bora, U., New Journal of Chemistry, 2020, 44 (19), 7675-7682​

  2. Repurposing fallen leaves to bio-based reaction medium for hydration, hydroxylation, carbon-carbon and carbon-nitrogen bond formation reactions, Das, S.K, Laskar, K.; Konwar, D.; Sahoo, A.; Saikia, B. K.; Bora, U., Sustainable Chemistry and Pharmacy, 2020, 100225

  3. Intercalation of copper salt to montmorillonite K‐10 and its application as a reusable catalyst for Chan–Lam cross‐coupling reaction, Sarmah, M.; Dewan, A.;  Purna K. Boruah, P. K.; Das, M. R.; Bora, U., Appl Organometal Chem. 2020, e5554

  4. Methylene Surrogates for the Synthesis of 3,3’- Diindolylmethanes, Sarmah, D.; Bora, U., ChemistrySelect, 2020, 5, 8577-8603

  5. Free radical triggered convenient synthesis of bis(indolyl)methane with potassium peroxodisulfate as catalyst, Konwar, D.; Bora, U., ChemistrySelect, 2020, 5, 7460-7466

  6. Rhodotorula mucilaginosa: A source of heterogeneous catalyst for biodiesel production from yeast single cell oil and waste cooking oil, Gohain, M.; Bardhan, P.; Laskar, K.; Sarmah, S.; Mandal, M.; Bora, U.; Kalita, M. C.; Goud, V. V.; Deka, D., Renewable Energy, 2020, 160, 220-230

  7. Carica papaya stem: A source of versatile heterogeneous catalyst for biodiesel production and C–C bond formation, Gohain, M.;  Laskar, K.; Paul, A. K.; Daimary, N.; Maharana, M.; Goswami, I. K.;  Hazarika, K.; Bora, U.; Deka, D., Renewable Energy, 2020, 147, 541-555.

  8. Towards sustainable biodiesel and chemical production: Multifunctional use of heterogeneous catalyst from littered Tectona grandis leaves, Gohain, M.; Laskar, K.; Phukon, H; Bora, U.; Kalita, D.; Deka, D., Waste Management, 2020, 102, 212–221

  9. Estimation of trace-mercury concentration in water using a smartphone, D. Hatiboruah, T. Das, N. Chamuah, D. Rabha, B. Talukdar, U. Bora, K. U. Ahamad, P. Nath, Measurement, 2020, 154, 107507

2019:

  1. An insight into nitromethane as an organic nitrile alternative source towards the synthesis of aryl nitriles, Saikia, R. Baruah, S. D., Deka, R. C, Thakur, A. J., and Bora, U., Eur. J. Org. Chem., 2019, 6211–6216.

  2. Cellulose as recyclable organocatalyst for ipso-hydroxylation of arylboronic acids, Laskar, K.; Paul, S.; and Bora, U., Tetrahedron Letters, 2019, 151044.

  3. Application of bio-based green heterogeneous catalyst for the synthesis of arylidinemalononitrile, Laskar, K.; Bhattacharjee, P.; Gohain, M.; Deka, D.; Bora, U., Sustainable Chemistry and Pharmacy, 2019, 100181.

  4. Molecular Iodine-Catalyzed Selective C‑3 Benzylation of Indoles with Benzylic Alcohols: A Greener Approach toward Benzylated Indoles, Bhattacharjee, P. and Bora, U., ACS Omega, 2019, 4, 11770−11776

  5. A convenient room temperature ipso-nitration of arylboronic acid catalyzed by molecular iodine  using zirconium oxynitrate as nitrating species: An experimental and theoretical investigation, Mahanta, A.; Gour, N. K.; Sarma, P. J.; Borah, R. K.; Raul, P. K.; Deka, R. C.; Thakur, A, J.; Bora, U., Appl Organometal Chem. 2019, e4951.

  6. Effect of Substrates on Catalytic Activity of Biogenic Palladium Nanoparticles in C−C Cross-Coupling Reactions, Sarmah, M.; Neog, A. B.; Boruah, P. K.; Das, M. R.; Bharali, P.; and Bora, U., ACS Omega, 2019, 4, 3329−3340

2018:

  1. Greener Biogenic Approach for the Synthesis of Palladium Nanoparticles Using Papaya Peel: An Eco-Friendly Catalyst for C−C Coupling Reaction, Dewan, A.; Sarmah, M.; Thakur, A. J.; Bharali, P.; Bora, U., ACS Omega, 2018, 3, 5327−5335

  2. Methanol aided synthesis of PdNPs decorated on montmorillonite K 10 and its implication in Suzuki Miyaura type cross coupling reaction under base free condition,  Mahanta, A.; Raul, P. K.; Saikia, S.; Bora, U.; and Thakur, A. J., Appl Organometal Chem. 2018; 32, e4192.

  3. Spherical CuO nanoparticles as catalyst for Chan-Lam cross-coupling reaction under base free condition, Das, S. K., Deka, P.,  Chetia, M.,  Deka, R. C., Bharali, P. and Bora, U, Catal Lett, 2018, 148, 547–554

  4. Ascorbic acid as a highly efficient organcatalyst for ipso hydroxylation of arylboronic acid, Das, S. K.; Bhattacharjee, P.; Bora, U., ChemistrySelect, 2018, 3, 2131– 2134

2017:

  1. Pd/C-Catalyzed Coupling of Nitroarene with Phenol: Biaryl Ether Synthesis and Evidence of an Oxidative-Addition-Promoted Mechanism, Begum, T.; Mondal, M.; Borpuzari, M. P.; Kar, R.; Gogoi, P. K.; Bora, U., Eur. J. Org. Chem. 2017, 3244–3248

  2. Immobilized symmetrical bis-(NHC) palladium complex as a highly efficient and recyclable Suzuki-Miyaura catalyst in aerobic aqueous media, Begum, T.; Mondal, M.; Borpuzari, M. P.; Kar, R.; Kalita, G.; Gogoi, P. K.; Bora., U, Dalton Trans., 2017, 46, 539–546

  3. Chemoselective Acyl C-O Bond Activation in Esters for Suzuki-Miyaura Coupling, Mondal, M.; Begum, T.; Bora, U., Org. Chem. Front., 2017, 4, 1430-1434

  4. Gallic acid-derived palladium(0) nanoparticles as in situ-formed catalyst for Sonogashira cross-coupling reaction in ethanol under open air, Sarmah, M.; Mondal, M.; Gohain, S. B.; Bora, U, Catalysis Communications, 2017, 90,  31–34

  5. Extraction of base from Eichhornia crassipes and its implication in palladium catalyzed Suzuki Cross-Coupling reaction, Sarmah, M.; Dewan, A.; Thakur, A. J.; Bora, U., ChemistrySelect, 2017, 2, 7091– 7095

  6. Agro-Waste Extract Based Solvents: Emergence of Novel Green Solvent for the Design of Sustainable Processes in Catalysis and Organic Chemistry, Sarmah, M.; Mandol, M.; Bora, U., ChemistrySelect, 2017, 2, 5180–5188

  7. An ambient temperature Sonogashira cross-coupling protocol using 4-aminobenzoic acid as promoter under copper and amine free conditions, Das, S. K.; Sarmah, M.; Bora, U., Tetrahedron Letters, 2017, 58,  2094–2097

  8. Photocatalytic degradation of crystal violet dye on the surface of Au doped TiO2 nanoparticles, Begum, T.; Gogoi, P. K.; and Bora, U., Indian Journal of Chemical Technology, 2017, 24, 97-101

  9. A green synthesis of palladium nanoparticles by Sapindus mukorossi seed extract and use in efficient room temperature Suzuki–Miyaura cross‐coupling reaction, Bora, R. K.; Mahanta, A.; Dutta, A.; Bora, U.; Thakur, A. J., Applied Organometallic Chemistry, 2017, 31, e3784

  10. Carbothioamide as Highly Efficient Ligand for Copper-catalyzed Room Temperature Chan–Lam Cross-Coupling Reaction, Baruah, J.;  Gogoi, K.; Dewan, A.; Borah, G.; Bora, U., Bulletin of the Korean Chemical Society, 2017, 38, 1203-1208.

  11. In situ generation of palladium nanoparticles using agro waste and their implications as catalyst for copper, amine and ligand-free Sonogashira reaction, Dewan, A.; Sarmah, M; Bora, U.; Thakur, A. J., Applied Organometallic Chemistry, 2017, 31, e3646.

  12. Nanosilica Anchored Pd(II) Schiff base Complex as Efficient Heterogeneous Catalyst for Activation of Aryl halides in Suzuki-Miyaura Cross Coupling Reaction in Water, Gogoi, N.; Bora, U.; Borah, G.; Gogoi, P. K,  Applied Organometallic Chemistry, 2017, 31, e3686

  13. Palladium nanoparticles decorated on reduced graphene oxide: an efficient catalyst for ligand and copper free Sonogashira reaction at room temperature, Mahanta, A.; Hussian, N.; Das, M. R; Thakur, A. J.; Bora, U., Applied Organometallic Chemistry, 2017, 31, e3679

2016:

  1. Gallic acid derived palladium(0) nanoparticles: An in situ formed “Green and Recyclable” catalyst for Suzuki-Miyaura coupling in water, Mondal, M.;  Begum, T.; Gogoi, P. K.,  Bora, U., ChemistrySelect, 2016, 1, 4645 – 4651

  2. Suzuki–Miyaura Cross-Coupling in Aqueous Medium Using Recyclable Palladium/Amide-Silica Catalyst, Mondal, M.; Dewan, A.; Begum, T.; Gogoi, P. K.; Thakur, A. J.; Bora, U., Catal Lett, 2016, 146, 1718–1728

  3. Grafting of Ru(III) complex onto nanosilica and its implication as heterogeneous catalyst for aerobic oxidative hydroxylation of arylboronic acids, Gogoi, N.; Gogoi, P. K.; Borah, G.; Bora, U., Tetrahedron Letters, 2016, 57, 4050–4052 

  4. A green protocol for ligand, copper and base free Sonogashira cross-coupling reaction, Dewan, A.; Sarmah, M, Bora, U.; Thakur, A. J., Tetrahedron Letters, 2016, 57, 3760–3763

  5. An improved Suzuki-Miyaura cross-coupling reaction with the aid of in-situ generated PdNPs: Evidence for enhancing effect with biphasic system, Mahanta, A.;  Mandal, M.;  Thakur, A. J.; Bora, U, Tetrahedron Letters, 2016, 57,  3091-3095

  6. Eco-friendly Suzuki-Miyaura coupling of arylboronic acids to aromatic ketones catalyzed  by Oxime-Palladacycle  in  Biosolvent 2-MeTHF, Mondal, M.; Bora, U., New Journal of Chemistry, 2016, 40, 3119-3123

  7. Urea as mild and efficient additive for palladium catalyzed Sonogashira cross coupling reaction, Sarmah, M.; Dewan, A.; Thakur, A. J.; Bora, U., Tetrahedron Letters, 2016, 914-916.

  8. Analysis of the water extract of waste papaya bark ash and its implications as an in situ base in the ligand-free recyclable Suzuki–Miyaura coupling reaction, Sarmah, M.; Dewan, A.; Mondal, M.; Thakur, A. J.; Bora, U., RSC Adv., 2016, 6, 28981-28985

  9. Starch assisted palladium(0) nanoparticles as in situ generated catalysts for room temperature Suzuki–Miyaura reactions in water, Dewan, A.; Bharali, P.; Bora, U.; Thakur, A. J.,  RSC Adv, 2016, 6, 11758-11762.

2015 & earlier:

  1. Rice husk derived nanosilica supported Cu(II) complex: an efficient heterogeneous catalyst for oxidation of alcohols using TBHP, Gogoi, N.; Begum, T.; Dutta, S.; Bora, U.; Gogoi, P. K., RSC Adv., 2015, 5, 95344-95352.

  2. In water homocoupling of arylboronic acids using nano-rod shaped and reusable copper oxide(II) catalyst at room temperature, Raul, P. K.; Mahanta, A.; Bora, U.; Thakur, A. J.; Veer, V., Tetrahedron Letters, 2015, 7069-7073.

  3. Biosynthesis of Poly(ethylene glycol)- supported Palladium nanoparticles using Colocasia esculenta leaf extract and their catalytic activity for Suzuki-Miyaura cross-coupling reaction, Bora, R. K.; Saikia, H. K.;  Mahanta, A.; Das, V. K.;  Bora, U.; Thakur, A. J., RSC Adv., 2015, 5, 72453-72457.

  4. Alcoholic solvent assisted ligand free room temperature Suzuki-Miyaura cross coupling reaction, Sarmah, G.; Mondal, M.; Bora, U., Applied Organometallic Chemistry, 2015, 29, 495-498.

  5. Simple aminobenzoic acid promoted palladium catalyzed room temperature Suzuki-Miyaura cross-coupling reaction in aqueous media, Sarmah, G.; Bora, U., Tetrahedron Letters, 2015, 2906-2909.

  6. Palladium-Schiff-base-Silica Framework as a Robust and Recyclable Catalyst for the Suzuki-Miyaura Cross-Coupling in Aqueous Media, Begum, T.; Mondal, M..; Gogoi, P. K.; Bora U., RSC Adv., 2015, 5, 38085-38092. (Highlighted in Synfacts, 2015, 11(8), 0884 by Professor Yasuhiro Uozumi, Aya Tazawa)

  7. Palladium salen Complex: An efficient Catalyst for Sonogashira reaction at room temperature, Gogoi, A.; Dewan, A.; Borah, G.; Bora, U., New Journal of Chemistry, 2015, 3341-3344.

  8. Biosilica as an efficient heterogeneous catalyst for ipso-hydroxylation of arylboronic acids, Mahanta, A.; Adhikari, P.; Bora, U.; Thakur, A. J., Tetrahedron Letters, 2015, 1780-1783.

  9. Catalysis by mont K-10 supported silver nanoparticles: a rapid and green protocol for the efficient ipso-hydroxylation of arylboronic acids; Begum, T.; Gogoi, A.; Gogoi, P. K.; Bora U., Tetrahedron Letters, 2015, 56, 95-97.

  10. A highly efficient copper and ligand free protocol for the room temperature Sonogashira reaction, Gogoi, A.; Dewan, A.;  Bora, U.,  RSC Adv., 2015, 5, 16-19.

  11. O-Arylation with nitroarenes: metal-catalyzed and metal-free methodologies, Mondal, M.; Bharadwaj, S. K.; Bora, U., New Journal of Chemistry, 2015, 39, 31-37.

  12. Green Synthesis of Silver Nanoparticles Using Leaf Extract of Phlogacanthus thyrsiformis and Evaluation of Their Antibacterial and Catalytic Activity, Gogoi, P. K.; Begum, T.; Borthakur, B.; Das, G.; Bora, U.; Kumar, A.,  Natl. Acad. Sci. Lett., 2015, 38, 189-192.

  13. A highly efficient heterogeneous Mont-K-10 supported Pd-catalyst for Suzuki-Miyaura cross coupling reaction in aqueous medium, Gogoi, A.; Chutia, S. J.; Gogoi, P. K.; Bora, U., Applied Organometallic Chemistry, 2014, 839-844.

  14. An efficient and reusable vanadium based catalytic system for room temperature oxidation of alcohols to aldehydes and ketones, Sarmah, G, Bharadwaj, S. K.; Dewan, A.; Gogoi, A.; Bora, U., Tetrahedron Letters, 2014, 5029-5032. (Highlighted in Organic Chemistry Portal)

  15. O-Aryloxime ether analogues as novel and efficient ligands for palladium-catalyzed Suzuki–Miyaura coupling in water, Mondal, M., Bora, U., Tetrahedron Letters, 2014, 3038-3040.

  16. A new recyclable/reusable ionic liquid/LiCl system for Suzuki–Miyaura cross coupling reactions, Boruah, P. R., Koir, M.  J., Bora U., Sarma, D., Tetrahedron Letters, 2014, 2423-2425.

  17. Ligandless heterogeneous palladium: an efficient and recyclable catalyst for Suzuki type cross-coupling reaction, Mondal, M.; Bora, U., Applied Organometallic Chemistry, 2014, 354-358.

  18. A simple and efficient tetradentate Schiff base derived Palladium complex for Suzuki-Miyaura reaction in water, Dewan, A.; Bora, U.; Borah, G., Tetrahedron Letters, 2014, 1689-1692.

  19. Boric Acid as Highly Efficient Catalyst for the Synthesis of Phenols from Arylboronic Acids, Gogoi, K.; Dewan, A.; Gogoi, A.; Borah, G.; Bora, U, Heteroatom Chemistry, 2014, 127-130.

  20. Acetanilide palladacycle: An efficient catalyst for room temperature Suzuki-Miyaura cross-coupling reaction, Dewan, A.; Burhagohain; Z.; Mondal, M.; Sarnah, G.; Borah, G.; Bora, U., Applied Organometallic Chemistry, 2014, 230-233.

  21. Unique Copper-Salen Complex: An efficient catalyst for N-Arylations of anilines and imidazoles at room temperature, Gogoi, A.; Sarmah, G.; Dewan, A.; Bora, U., Tetrahedron Letters, 2014, 31-35.

  22. The Development of Phosphinoamine-Pd(II)-Imidazole complexes :Implication in room temperature Suzuki-Miyaura cross-coupling reaction, Borah, G.; Boruah, D.; Sarmah, G.; Bharadwaj, S. K.; Bora, U., Applied Organometallic Chemistry, 2013, 688-694.

  23. Recent advances in manganese(III) acetate mediated organic synthesis, Mondal M.; Bora, U., RSC Adv., 2013, 3, 18716-18754.

  24. A mild and efficient protocol for the ipso-hydroxylation of arylboronic acids, Gogoi, A.; Bora, U., Tetrahedron Letters, 2013, 1821-1823.

  25. Copper promoted Chan–Lam type O-arylation of oximes with arylboronic acids at room temperature, Mondal, M.; Sarmah, G.; Gogoi, K.; Bora, U., Tetrahedron Letters, 2012, 6219-6222.

  26. An efficient protocol for palladium-catalyzed ligand-free Suzuki-Miyaura coupling in water, Mondal M.; Bora, U., Green Chem., 2012, 14, 1873-1876.

  27. An iodine-promoted, mild and efficient method for the synthesis of phenols from arylboronic acids Gogoi A.; Bora, U., Synlett, 2012, 1079-1081 (Highlighted in Organic Chemistry Portal)

  28. A mild and efficient protocol for oxidation of thiols to disulfides in water, Dewan, A., Bora, U.; Kakati, D. K., Heteroatom Chemistry, 2012, 231-234.

  29. Rapid and efficient method for room temperature deoximation reaction under solvent-free condition, Dewan, A.;  Bora, U.; Kakati, D. K.,  Bulletin of the Korean Chemical Society, 2011, 2482-2484.

  30. Rapid and selective oxidation of benzyl alcohols to aldehydes and ketones with novel vanadium polyoxometalate under solvent-free conditions, Dewan, A.; Sarma, T.; Bora, U.;  Kakati, D. K., Tetrahedron Letters, 2011, 2563-2565.

  31. Highly efficient amine-based catalytic system for room temperature Suzuki-Miyaura reactions of aryl halides with arylboronic acids, Das, P.; Sarmah, C, Tairai, A Bora, U., Applied Organometallic Chemistry, 2011, 283-288.

  32. A Facile and Efficient Method for Catalytic Acetylation of Alcohols with Acetic Acid, Dewan, A.; Bora, U.; Kakati, D. K., Bulletin of the Korean Chemical Society, 2010, 3870-3871.

  33. Triphenylphosphinechalcogenides as efficient ligands for room temperature Palladium(II) catalyzed Suzuki-Miyaura reaction of aryl halides, Das, P.; Bora, U.; Tairai, A.; Sharma, C,  Tetrahedron Letters,  2010, 51, 1479-1482.

  34. Temperature-dependent suppression of palladium on carbon catalyzed hydrogenations, Bora, U.; Yaguchi, K, Kume, A.; Maegawa, T.; Monguchi, M.; Sajiki.H., Catalysis Communication, 2009, 1161-1165.

  35. Heterogeneous Pd/C-Catalyzed Ligand-Free, Room-Temperature Suzuki–Miyaura Coupling Reactions in Aqueous Media., Maegawa, T.;  Kitamura, Y.; Sako, S.;   Udzu, T.; Sakurai, A.; Tanaka, A.; Kobayashi, Y.; Endo, K.; Bora, U.; Kurita, T.; Kozaki, A.; Yasunari  M.; Y.;  Sajiki, H., Chemistry - A European Journal, 2007, 5937-5943.

  36. A Novel and Efficient Lewis Acid Catalysed Preparation of Pyrimidines: Microwave-Promoted Reaction of Urea and b-Formyl Enamides, Barthakur, M. G.;  Borthakur, M.; Devi, P.;  Saikia, C. J.; Saikia, A.; Bora, U.; Chetia, A.;  Boruah, R. C., Synlett, 2007, 223-226.

  37. Conjugated base catalysed one-pot synthesis of pyrazoles from b-formyl enamides, A. Saikia, Barthakur, M. G.; Borthakur, M.; Saikia, C. J.; Bora, U.; Boruah, R. C., Tetrahedron Letters, 2006, 47, 43-46.

  38. A new protocol for the synthesis of a, b--unsaturated ketones using zirconium tetrachloride under microwave irradiation., Bora, U.; Saikia, A.; Boruah, R. C.,  Indian Journal of Chemistry, 2005, 44B, 2523-2526.

  39. Resolution of racemic 1-arylethyl acetates by Pseudomonas fluorescens in the presence of a surfactant, Bora, U.; Saikia, C. J.; Mishra, A. K.; Kumar, B. S. D.; Boruah R. C., Tetrahedron Letters, 2003, 44, 9099-9102.

  40. Facile synthesis of 1,6-diketones via a three-component Michael addition reaction, Saikia, A.; Chetia, U.; Bora, U.; Boruah, R. C., Synlett, 2003, 1506-1508.

  41. A novel microwave-mediated one-pot synthesis of indolizines via a three-component reaction., Bora, U.; Saikia, A.; Boruah, R. C., Organic Letters, 2003, 435-438.

  42. Zirconium Tetrachloride : Spotlight, Bora, U.,  Synlett, 2003, 1073-1074.

  43. Regio- and stereoselective synthesis of isoxazolines via cycloaddition reactions using pregnenolone as chiral auxiliary, Sarma, U.; Bora, U.; Chetia, A.; Boruah, R. C.; Sandhu, J. S.,  Indian Journal of Chemistry, 2002, 41B, 1012-1014

  44. A convenient synthesis of oxetene via [2+2] cycloaddition reaction under microwave irradiation., Longchar, M.; Bora, U.; Boruah, R. C.; Sandhu, J. S., Synthetic Communications, 2002, 32, 3611-3616

  45. A facile 1,5-rearrangement of b-formyl enamides and cleavage of esters catalysed by Pseudomonas fluorescens, Bora, U.; Longchar, M.; Chetia, A.; Kumar, B. S. D.; Boruah, R. C.;  Sandhu, J. S, Tetrahedron Letters, 2002, 43, 2269-2271

  46. Alumina promoted fast solid phase Michael addition of enamines with conjugated enones under microwave irradiation, Sharma, U.; Bora, U.; Boruah, R. C. Sandhu,; J. S , Tetrahedron Letters, 2002, 43, 143.

Patent

  1. A process for the optical resolution of racemic 1-aryl ethyl acetates using Pseudomonas fluorescens RRLJ 134 strain in presence of surfactant by U Bora, C J Saikia, A Mishra, D Kumar B S, R C Boruah, Indian Patent, 223534/2008

bottom of page