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Faculty Profile Dr Utpal Bora Assistant Professor Department of Chemical Sciences Tezpur University Tezpur, Napaam, Assam Pin 784028 E-mail: [email protected]
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Faculty Profile

Dr Utpal Bora Assistant Professor Department of Chemical Sciences Tezpur University Tezpur, Napaam, Assam Pin 784028 E-mail: [email protected]; [email protected] Phone No: +91-9957640685 (M); 03712275067 (O)

Academic Profile: 1. M. Sc. in Chemistry, Gauhati University, Guwahati 781014, Assam, India. 2. Ph.D. (Synthetic Organic Chemistry), North East Institute of Science & Technology, Jorhat 785006, Assam, India Teaching & Research Experiences: 1. 2013 (March)- till date: Assistant Professor, Department of Chemical Sciences, Tezpur University 2. 2008 (September) – 2013 (March): Assistant Professor, Department of Chemistry, Dibrugarh University 3. 2008 (February-September): Associate Scientific Manager, Syngene Int. Ltd, (Biocon) Bangalore 4. 2005-2007: JSPS-Postdoctoral Research Fellow, Gifu Pharmaceutical University, Japan

Awards/Honors: i. JSPS Bridge Fellowship awarded by Japan Society for the Promotion of Science.(2013) ii. INSA Visiting Fellowship (2012) iii. JSPS-Postdoctoral Research Fellow awarded by Japan Society for the Promotion of Science (2005-2007) iv. NET (CSIR-UGC)

Research Area: Catalysis, Synthetic Methodologies, Green Chemistry Book/Book Chapter: (1) Intramolecular Free-Radical Cyclization Reactions and Applications, Mondal, M. and Bora, U., 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)

LIST OF PUBLICATIONS: (1) 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, 31–34 (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., 2016 (accepted for publication) (3) 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., Chemistry Select, 2016, 1, 4645 – 4651 (4) 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, 2016 (accepted for publication) (5) Palladium nanoparticles decorated on reduced graphene oxide: an efficient catalyst for ligand and copper free Sonogashira reaction at room temperature, Mahanta, M.; Hussian, N.; Das, M. R; Thakur, A. J.; Bora, U., Applied Organometallic Chemistry, 2016 (accepted for publication)

(6) 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, 2016 (accepted for publication) (7) 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 (8) 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 (9) 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 (10) 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 (11) 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 (12) 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. (13) 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, 2898128985 (14) 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. (15) 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. (16) 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.

(17) Biosynthesis of Poly(ethylene glycol)- supported Palladium nanoparticles using Colocasia esculenta leaf extract and their catalytic activity for Suzuki-Miyaura crosscoupling reaction, Bora, R. K.; Saikia,H. K.; Mahanta, A.; Das, V. K.; Bora, U.; Thakur, A. J., RSC Adv., 2015, 5, 72453-72457. (18) 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. (19) 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. (20) 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. (21) 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. (22) 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. (23) 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. (24) 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. (25) O-Arylation with nitroarenes: metal-catalyzed and metal-free methodologies, Mondal, M.; , Bharadwaj, S. K.; Bora, U., New Journal of Chemistry, 2015, 39, 3137. (26) 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. (27) A highly efficient heterogeneous Mont-K-10 supported Pd-catalyst for SuzukiMiyaura cross coupling reaction in aqueous medium, Gogoi, A.; Chutia, S. J.; Gogoi, P. K.; Bora, U., Applied Organometallic Chemistry 2014, 839-844.

(28) 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. (29) O-Aryloxime ether analogues as novel and efficient ligands for palladiumcatalyzed Suzuki–Miyaura coupling in water, Mondal, M., Bora, U., Tetrahedron Letters, 2014, 3038-3040. (30) 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. (31) Ligandless heterogeneous palladium: an efficient and recyclable catalyst for Suzuki type cross-coupling reaction, Mondal, M.; Bora, U., Applied Organometallic Chemistry 2014, 354-358. (32) 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. (33) 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. (34) Acetanilide palladacycle: An efficient catalyst for room temperature SuzukiMiyaura cross-coupling reaction, Dewan, A.; Burhagohain; Z.; Mondal, M.; Sarnah, G.; Borah, G.; Bora, U., Applied Organometallic Chemistry 2014, 230-233. (35) 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. (36) 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. (37) Recent advances in manganese(III) acetate mediated organic synthesis, Mondal M.; Bora, U, RSC Adv., 2013, 3, 18716-18754. (38) A mild and efficient protocol for the ipso-hydroxylation of arylboronic acids, Gogoi, A.; Bora, U., Tetrahedron Letters 2013, 1821-1823. (39) 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.

(40) An efficient protocol for palladium-catalyzed ligand-free Suzuki-Miyaura coupling in water, Mondal M.; Bora, U., Green Chem., 2012, 14, 1873-1876. (41) An iodine-promoted, mild and efficient method for the synthesis of phenols from arylboronic acids Gogoi A.; Bora, U., Synlett, 2012, 1079-1081. (42) 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. (43) Rapid and efficient method for room temperature deoximation reaction under solventfree condition, Dewan, A.; Bora, U.; Kakati, D. K., Bulletin of the Korean Chemical Society, 2011, 2482-2484. (44) 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. (45) 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. (46) An Eco-friendly and Mild Process for Deacetylation Reactions in Water, Bora, U Asian Journal of Chemistry, 2010, 941-942. (47) 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. (48) 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. (49) 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. (50) 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. (51) A Novel and Efficient Lewis Acid Catalysed Preparation of Pyrimidines: MicrowavePromoted Reaction of Urea and -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.

(52) Conjugated base catalysed one-pot synthesis of pyrazoles from -formyl enamides, A. Saikia, Barthakur, M. G.; Borthakur, M.; Saikia, C. J.; Bora, U.; Boruah, R. C. Tetrahedron Letters, 2006, 47, 43-46. (53) A new protocol for the synthesis of --unsaturated ketones using zirconium tetrachloride under microwave irradiation., Bora, U.; Saikia, A.; Boruah, R. C., Indian Journal of Chemistry, 2005, 44B, 2523-2526. (54) 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. (55) 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. (56) 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. (57) Zirconium Tetrachloride : Synlett Spotlight, Bora, U., Synlett, 2003, 1073-1074. (58) 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 (59) 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 (60) A facile 1,5-rearrangement of -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 (61) 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.

Indian Patent: (1)

A process for the optical resolution of racemic 1-aryl ethylacetates 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".

Research Group Current PhD Scholars: Manashi Sarmah Email: [email protected] , [email protected] Period: 2014 onwards (Full time) Research area: Green strategy for cross coupling reactions Sameeran Kumar Das Email: [email protected] , [email protected] Period: 2015 onwards (Full time) Research area: C-C and C-N bond formation reactions Rakhee Saikia Email: [email protected] Period: 2016 August onwards (Full time) Research area: Synthesis of heterocyclic molecules via C-H activation (Co-supervisor : Professor A. J. Thakur) Abhijit Mahanta E-mail: [email protected] Period: 2014 onwards (Full Time) Research area: Study towards the metal mediated C-C and C-heteroatom bond forming reaction (Co-supervisor with Professor A. J. Thakur)

Tahshina Begum Ph.D. (Dibrugarh University) (Joint supervisor with Professor P. K. Gogoi, Dibrugarh University) Research area: Nano and heterogeneous catalyst

PhD Scholars: (alumni) Dr. Ankur Gogoi Ph.D. awarded in 2015 (Dibrugarh University) Research area: C-C & C-N cross coupling reactions Current Position: ONGC Ltd

Ms. Gayatri Sarmah Ph.D. awarded in 2016 (Dibrugarh University) Research area: Cross coupling and Oxidation reactions Current Position: Subject Teacher

Manoj Mondal Ph.D. awarded in 2016 (Dibrugarh University) Research area: Suzuki-Miyaura reaction Current Position: Assistant Professor (Ad-hoc; Digboi College)

M.Sc. Project Students (alumni) Name Ankur Gogoi

Current Position ONGC Ltd

Tahshina Begum

Pursuing Ph.D. at Dibrugarh University

Kongkona Gogoi Ujjal Pratim Saikia

Scientific Officer at CSIR-NEIST, Jorhat Pursuing Ph.D. at CSIR-NEIST, Jorhat

Abhijit Mahanta Sudipta Borkakoty

Pursuing Ph.D. at Tezpur University ONGC Ltd

Pooja Adhikari

Pursuing M.Tech at Tezpur University

Jonmoni Sarmah

BCPL Ltd

Mithun Das Shivanee Borpatra Gohain

Pursuing Ph.D at Tezpur University

Monikha Chetia

Update on 05/12/2016