Dr.Yadav D. Bodke
M.Sc., Ph.D.
Assistant Professor
Department of Industrial Chemistry
ydbhodke@kuvempu.ac.in ydbodke@gmail.com

 
           

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  • Area Of Research

               
    SL # Topic
    1 Organic Chemistry, Medicinal Chemistry, Natural Products


    Journals Publications

               
    SL # Authors Title Impact Factor Publisher Year
    1 Kenchappa.R, Yadav D. Bodke, Sandeep Telkar, Aruna Sindhe M Antifungal and anthelmintic activity of novel benzofuran derivatives containing thiazolo benzimidazole nucleus: an in vitro evaluation 0 Springer 2017
    2 Ajeesh Kumar A.K.; Ganesh Sambasivam.; Yadav D.Bodke.; Peter Serjious Lakra. Design, synthesis and anticancer evaluation of a novel series of pyrazolo [1, 5-a] pyrimidine substituted diamide derivatives 1.277 Springer 2017
    3 Vinoda B M, Yadav D. Bodke, Sandeep Telkar, Aruna Sindhe M, Talavara Venkatesha, J. Fe(III)-montmorillonite catalyzed one pot synthesis of 5-substituted dihydropyrimidine derivatives as potent antimicrobial agents, 0.521 Elsevier 2017
    4 Ajeesh Kumar A.K.; Ganesh Sambasivam.; Yadav D. Bodke.; Kanya B. Nair. Design, synthesis and evaluation of the anticancer properties of a novel series of carboxamides, sulfonamides, ureas and thioureas derived from [1, 2, 4] oxadiazol-3-yl methyl]-piperazin-1-yl} subst 1.282 Springer 2016
    5 Ajeesh Kumar A.K, Ganesh Sambasivam.; Yadav D. Bodke, Peter Serjious Lakra. Design, synthesis and evaluation of novel hydrazide hydrochlorides of 6-amino-pyrazolo [1, 5-a] pyrimidine-3-carboxamides as potent Aurora kinase inhibitors, 1.282 Springer 2016
    6 Ajeesh Kumar A.K, Ganesh Sambasivam.; Yadav D. Bodke.; Ashwath N. Gowda. Design, synthesis and evaluation of the anticancer properties of a novel series of imidazolone fused pyrazolo [1, 5-a] pyrimidine derivatives, 0.893 wiley online library 2016
    7 Kenchappa.R, Yadav D. Bodke*, Sandeep Telkar, Aruna Sindhe. M, Giridhar M Synthesis, Characterization and Antimicrobial Activity of New Benzofuran Derivatives 0 Springer 2016
    8 Jyothi H. Kini, Vasanta Kumar K. Pai and Yadav D. Bodke Design and synthesis of some Chromone derivatives of biological importance: A Greener Approach 0 Elsevier 2016
    9 Talavara Venkatesh, Yadav D Bodke*, Kenchappa R and Sandeep Telkar Synthesis, Antimicrobial and Antioxidant Activity of Chalcone Derivatives Containing Thiobarbitone Nucleus 0 ACS 2016
    10 Talavara Venkatesh, Yadav D. Bodke*, Nibin Joy M, Vinoda B M, Yallappa Shiralgi, Dhananjaya BL Synthesis of Some Novel 5,7-disubstitutedaryl-2-Phenyl-5H-[1,3,4] Thiadiazolo [3,2-a] Pyrimidine Derivatives and Evaluation of Their Biological Activity. 0 Bentham Science - STM 2016
    11 Talavara Venkatesh, Yadav D. Bodke*, Nibin Joy M, Synthesis of Some Benzofuran Derivatives Containing Pyrimidine Moiety as Potent Biological agents. 1.62 IJPR 2016
    12 Yadav D. Bodke, Shankarappa A Biradar, R. Kenchappa. Synthesis and biological evaluation of imidazo pyridine derivatives containing morpholine nucleus 3.833 Heterocyclic Letters 2016
    13 Yadav D. Bodke, Shankarappa A Biradar, R. Kenchappa. Catalyst Free Synthesis of 2-(3, 4-dichlorophenyl)-1, 8-dihydroimidazo [1, 2-a] pyridine Derivatives as Potent Antimicrobial Agents 4.525 JCCS 2016
    14 Aruna Sindhe M, Yadav D. Bodke, Kenchappa R, Sandeep Telkar, Chandrashekar A., and Vinoda B. M Catalytic assemble of 2-amino-5,6-dimethyl-1H-benzimidazole with carboxylic acids and evaluation of their antimicrobial and antioxidant activities 0.521 Elsevier 2016
    15 Aruna Sindhe M, Yadav D. Bodke, Kenchappa R, Chandrashekar A, SandeepTelkar Synthesis of a series of novel 2,5-disubstituted-1,3,4-oxadiazole derivatives as potential antioxidant and antibacterial agents 0 Springer 2016
    16 Yadav D. Bodke*, Shankarappa A. Biradar, R. Kenchappa. Synthesis, characterization and biological evaluation of 2-(2-substituted)-5-phenyl-1,3,4-oxadiazole and 3,6-diphenyl [1,2,4] triazolo [3,4-] [1,3,4] thiadiazole derivatives 0 IJACS 2016
    17 Aruna Sindhe M, Yadav D. Bodke, Kenchappa R. Conventional and microwave assisted synthesis of 5-phenyl 2-substituted 1,3-oxadiazole derivatives and evaluation of their biological activities 0 IJACS 2016
    18 Vinoda B M, Yadav D Bodke, Vinuth M, Kenchappa R, Sandeep Telkar, Sameer Patil, Synthesis of Some Novel 1,3-Thiazine Derivatives Using Fe(III)-Montmorillonite Catalysts as Potent Antimicrobial Agents, 0 Inventi 2016
    19 Vinoda B M, Bodke YD, Vinuth M, Aruna Sindhe M, Venkatesh T, Sandeep Telkar, One pot synthesis, antimicrobial and in silico molecular docking study of 1,3-benzoxazole-5-sulfonamide derivatives, 0 OMICS 2016
    20 Nayak Devappa Satyanarayan, Santoshkumar Sangappa, Sheelavanth Shankerrao, Yadav D Bodke, Anantachar Antitubercular, antibacterial and Molecular docking studies of new 2-(Naphtha [2,1-] furan-2-yl)quinoline-4-carboxylic acids and their esters 0 Inventi 2016
    21 Nibin M Joy, Yadav D Bodke*, Abdul Khader K K, Ayyiliyath M Sajith, Talavara Venkatesh, A K Ajeesh K Simultaneous exploration of TBAF.3H2O as a base as well as a solvating agent for the palladium catalyzed Suzuki cross-coupling of 4-methyl-7-nonafluorobutylsulfonyloxy coumarins under microwave irradi 2.101 Elsevier 2016
    22 Jyothi H. Kini, Vasanta Kumar K. Pai and Yadav D. Bodke Physico-chemical Approach in design, synthesis and antimicrobial study of some Novel Schiff bases of Chromones 0 IJAPBC 2016
    23 Jyothi H. Kini*, Vasanta Kumar K. Pai and Yadav D. Bodke Devise, Synthesis and Evaluation of Antimicrobial activities of Novel 8-imino Chromone Derivatives by Physicochemical Approach 0 JCPR 2016
    24 Bhaskaran Savitha, Ayyiliath Sajith, Nibin Joy M, Abdul Khader K, A Muralidharan, Syed Ali Padus Palladium catalyzed Suzuki cross-coupling of 2-halo-deazapurines with potassium organotrifluoroborate salts in the regioselective synthesis of imidazo[4,5-b]pyridine analogues 0 CSIRO 2016
    25 M. Nibin Joy, Bhaskaran Savitha, Ayyiliyath M. Sajith *, Yadav D. Bodke *, Talavara Venkatesh, K.K. A facile access for the synthesis of some C-2 substituted imidazopyrazines by utilizing the palladium catalyzed Suzuki cross-coupling reaction under microwave irradiation 1.932 Elsevier 2016
    26 Vinoda B M, Vinuth M, Yadav D. Bodke*, Manjanna J Photocatalytic Degradation of Toxic Methyl Red Dye Using Silica Nanoparticles Synthesized from Rice Husk Ash 0 OMICS 2015
    27 Aruna Sindhe M., Yadav D. Bodke and Kenchappa R. Isolation, Characterization and Biological Evaluation of N-heptadecanoic Acid (Margaric Acid) Isolated from Wendlandia thyrsoidea Leaves 4.525 JCCS 2015
    28 Aruna Sindhe M. Yadav D Bodke. Kenchappa R and Sandeep Telkar Phytochemical analysis and in vitro antimicrobial activity of bark extract of ficus amplissima smith. 0 Inventi 2015
    29 Ayyiliath M. Sajith, K.K. Abdul Khader,Nithin Joshi, Manchala Nageswar Reddy, M. Syed Ali Padusha, Design, synthesis and structure-activity relationship (SAR) studies of imidazo[4,5-b]pyridine derived purine isosteres and their potential as cytotoxic agents. 4.519 Elsevier 2015
    30 M. Aruna Sindhe,Yadav D. Bodke*, R. Kenchappa. In vitro Anthelmintic activity of Wendlandia thyrsoidea leaves extracts against Pheretima posthuma. 0 IJPPS 2015
    31 M. Aruna Sindhe,Yadav D. Bodke*, R. Kenchappa. In vitro Anthelmintic activity of Wendlandia thyrsoidea leaves extracts against Pheretima posthuma. 0 IJPPS 2015
    32 Aruna Sindhe M, Yadav D Bodke, Chandrashekar A. Phytochemical analysis, antioxidant and in-vivo hyperglycemic activity of wendlandia thyrsoidea leaves extracts . 0 Inventi 2014
    33 Vijay Kumar M. M. J., Eswarappa B* and Yadav D. Bodke An investigation on anti-inflammatory potency on various extracts of stem bark of Bauhinia variegata Linn., by carrageenen induced paw edema method. 0 Scholars Research Library 2014
    34 Yadav D. Bodke*, Shankarappa A Biradar, R. Kenchappa Synthesis of 6-arylimidazo [2,1-b][1,3] thiazole and 2-aryl-7-methoxy imidazo[2,1-b][1,3] benzothiazole derivatives as potent biological agents 0 Inventi 2014
    35 J C Dharshan, K A Vishnumurthy, Y D Bodke, N D Jayanna . Synthesis and biological evaluation of novel 4-[4-(1,3- benzoxazol-2-yl)-3-phenyl-1h-pyrazol-1-yl]-7-methoxyquinoline derivatives. 0 Inventi 2014
    36 Kenchappa.R, Yadav D Bodke*, Asha B, Sandeep Telkar, Aruna Sindhe M. Synthesis, antimicrobial and antioxidant activity of benzofuran barbitone and benzofuran thiobarbitone derivatives. 1.277 Springer 2014
    37 M. Nibin Joy, Yadav D. Bodke, K. K. Abdul Khader, Ayyiliyath M. Sajith. A rapid approach for the copper, amine and ligand-free Sonogashira coupling of 4-methyl-7-nonafluorobutylsulfonyloxy coumarins under microwave irradiation. 2.193 Elsevier 2014
    38 M. Nibin Joy, Yadav D. Bodke*, K. K. Abdul Khader, M. Syed Ali Padusha, Ayyiliyath M. Sajith, A. Mur A rapid and modified approach for C-7 amination and amidation of 4-methyl-7-nonafluorobutylsulfonyloxy coumarins under microwave irradiation. 3.108 RSC 2014
    39 R. Kenchappa, Yadav D. Bodke*, A. Chandrashekar, M. Aruna Sindhe, S. K. Peethambar. Synthesis of coumarin derivatives fused with pyrazole and indenone rings as potent antioxidant and antihyperglycemic agents. 4.553 Elsevier 2014
    40 Vijay Kumar MMJ*, Eswarappa B, Yadav D. Bodke Evaluation of Antioxidant Potency of Various Extracts of Stem Bark of Bauhinia variegata Linn 0 Inventi 2014
    41 Vijay Kumar MMJ*, Eswarappa B, Yadav D. Bodke, Jayadevaiah K V, Basavaraja H S. Isolation of Phytoconstituents from the Stem Bark of Bauhinia Variegata Linn. 0 PharmaTutor 2014
    42 Yadav D. Bodke*, Aruna sindhe M, Rajesh K. Gupta, Manjunatha H. Antioxidant and anthelmintic activity of terminalia arjuna roxb. stem bark extracts. 0.4 AJPCR 2013
    43 Jyothi Kini*, Srinivasa Narasimha K., Vasanta Kumar Pai, Y D Bodke Automation of process of devising newer Chromone derivatives from existing Natural and Synthetic Chromones by their Study of Structure Activity Relationship a novel approach. 0 IJSR 2013
    44 Aruna Sindhe M, Yadav D. Bodke* and Chandrashekar A Antioxidant and in vivo anti-hyperglycemic activity of Muntingia calabura leaves extracts.. 1.96 Scholars Research Library 2013
    45 Chandrashekar Aswathanarayanappa, Eswarappa Bheemappa, Yadav D. Bodke, Peethambar S. Krishnegowda, S Synthesis and Evaluation of Antioxidant Properties of Novel 1,2,4-triazole-based Schiff base heterocycles. 0 Wiley Online Library 2013
    46 R. Kenchappa, Yadav D.Bodke*, A. Chandrashekar, Sandeep Telkar, K.S. Manjunatha, M. Aruna Sindhe. Synthesis of some 2, 6-bis (1-coumarin-2-yl)-4-(4-subtituted phenyl) pyridine derivatives as potent biological agents. 4.553 Elsevier 2013
    47 Sheelavanth Shankerrao, Yadav D. Bodke* and Sundar S. Mety. Synthesis, antioxidant, and antibacterial studies of phenolic esters and amides of 2-(1-benzofuran-2-yl) quinoline-4-carboxylic acid. 1.277 Springer 2013
    48 Vijay Kumar M M J*, Eswarappa B, Yadav D Bodke. A Comparative Study: In-vitroAnti-inflammatory Activity on Various Extracts of Stem Bark ofBauhinia variegataLinn. 0 Inventi 2013
    49 R. Kenchappa, Yadav D. Bodke*, S. K. Peethambar, Sandeep Telkar, Venkatesh K. Bhovi. Synthesis of β-amino carbonyl derivatives of coumarin and benzofuran and evaluation of their biological activity. 1.277 Springer 2013
    50 Yadav.D.Bodke*, Kenchappa R and Ramganesh C.K. Synthesis, characterization, antibacterial and analgesic activities of some coumarin derivatives containing pyrazole and isoxazole moiety. 0 Kuvempu University Science journal, 2013
    51 Yadav D. Bodkee*, Sheelavanth Shankerrao, Hosanagara N. Harishkumar. Synthesis of 2-(1-benzofuran-2-yl)-4-(1,3-benzoxazol-2-yl/1,3-benzothiazol-2-yl) quinolines as blue green fluorescent probes. 1.3 Hindwi 2013
    52 Chandrashekar Aswathanarayanappa, Eswarappa Bheemappa, Yadav D. Bodke, Venkatesh K. Bhovi, Raghu Nin 5-Phenyl-1-benzofuran-2-yl derivatives: synthesis, antimicrobial and antioxidant activity. 1.277 Springer 2012
    53 Sheelavanth Shankerrao, Yadav D. Bodke*, S. Santoshkumar. Synthesis and antimicrobial activity of some imidazothiazole derivatives of benzofuran. 4.553 Elsevier 2012
    54 Chandrashekar Aswathanarayanappa*, Eswarappa Bheemappa, Yadav D Bodke, Raghu Ningegowda and Peethamb Phenethylamide derivatives: Synthesis and evaluation of antimicrobial and antioxidant activity. 0 DER PHARMA CHEMICA 2012
    55 J. C. Dharshan, K.A.Vishnumurthy, Yadav D, Bodke*, H.M. Vagdevi, N.D. Jayanna, R.Raghavendra. Synthesis, characterization and antimicrobial activity of 7-methoxy quinoline-4- substituted 1, 2, 3-triazole derivatives. 0 DER PHARMA CHEMICA 2012
    56 Chandrashekar Aswathanarayanappa, Eswarappa Bheemappa , Yadav D Bodke, Raghu Ningegowda, Peethambar Synthesis, Antimicrobial and Antioxidant Activity Studies of Phenoxyacetamide Derivatives. 0 Inventi 2012
    57 Vijay Kumar MMJ, Eswarappa B, Yadav D. Bodke. Antimicrobial activity of stem bark of bauhinia variegata linn. 0 AJPTR 2012
    58 Sheelavanth Shankerrao, Yadav D.Bodke, Anand Upadhyay,K.L.Nagaraja, J.R.Kiran, N.D.Satyanarayan*. Facile synthesis of phenyl esters and amides of cinchophen using EDC.HCl and antibacterial activity. 0.36 Trade science inc 2012
    59 C. Aswathanarayanappa,* E. Bheemappa, and Yadav D. Bodke. Diastereoselective Reduction of the Enone Intermediate of Travoprost. 2.857 ACS 2012
    60 Sheelavanth Shankerrao, Yadav D Bodke*, Harishkumar H Narayana , Kiran Kumar Baburao, Nayak D Satyan Synthesis and Biological Evaluation of Cinchophen Analogues Containing Benzofuran Nucleus 0 Inventi 2011
    61 Yadav D Bodke*, Shankarappa A Biradar, Venkatesh K Bhovi, Rajesh Bhavanishankar, Sheelavanth Shanker Synthesis of 6-Phenyl [1, 2, 4] Triazolo [1, 5-A]Pyridine Derivatives by Suzuki-Miyaura Coupling reaction as Antimicrobial Agents 0 Inventi 2011
    62 Venkatesh K Bhov, Yadav D Bodke*, Sulochana P Melinmath,Chandrasekhar A, Joy H. Hoskeri Synthesis and Evaluation of Antimicrobial and Antinociceptive Activity of 2-(5-substituted-1,3,4-oxadiazole)-1-benzofuran-3-amine Derivatives 0 Inventi 2011
    63 Bhovi K Venkatesh, Yadav D Bodke* and S Biradar. Synthesis of 3-[4-(1-benzofuran-2-yl)-1,3-thiazol-2-yl]-2-(4-aryl)-1,3-thiazolidin-4-one derivatives as biological agents. 0 Taylor & Francis 2010
    64 RamaGanesh C K, Yadav D Bodke*and Venkatesh K B. Synthesis and Biological evaluation of some innovative coumarin derivatives containing thiazolidin-4-one ring. 0 NISCAIR 2010
    65 Venkatesh K B and Yadav D Bodke*. Synthesis of some Mannich bases and novel benzofuran[1] derivatives containing imidazo[2,1-b][1,3,4]thiadiazoles as biological agents. 0.67 RG Journal 2010
    66 Venkatesh K Bhovi, Yadav D Bodke*, S Biradar, B.E. Kumara Swamy and Umesh S. A facial synthesis of bromo- substituted benzofuran containing thiazolidinone nucleus bridged with quinoline derivatives: a potent analgesic and antimicrobial agents. 0 Taylor & Francis 2010
    67 Bodke Yadav D*, K. B. Venkatesh and S. S. Sangapure. Synthesis and biological evaluation of 3-aryl-1-(2-benzofuryl)-2-propen-1-one analogues. 0 connect journals 2009
    68 K.R. Mahanthesha, B.E. Kumara Swamy*, Umesh Chandra, Yadav D. Bodke, K. Vasanth Kumar Pai and B.S Sh Cyclic Voltammetric Investigations of Alizarin at Carbon Paste Electrode using Surfactants. 1.469 ESG 2009
    69 Shankarappa A Biradar, Venkatesh K Bhovi, Yadav D Bodke* and Rajesh Bhavanishankar. A novel method for the synthesis of 6-bromo-2-(3,4-dichlorophenyl)imidazo[1,2-a]pyridine using microwave irradiation. 0 Molbank 2009
    70 E. Niranjana, R. Raghavendra Naik, B.E. Kumara Swamy*, Yadav D. Bodke, B.S. Sherigara, H. Jayadevapp Cyclic Voltammetric Investigations of 3-aryl-4-bromo Sydnone and its Derivatives at Glassy Carbon Electrode. 1.469 ESG 2008
    71 Umesh Chandra, Ongera Gilbert, B.E. Kumara Swamy*, Yadav D Bodke and B.S Sherigara. Electrochemical Studies of Eriochrome Black T at Carbon Paste Electrode and Immobilized by SDS Surfactant: A Cyclic Voltammetric Study. 1.469 ESG 2008
    72 Yadav D.Bodke*, G. Parameshwarappa and S.S.Sangapure. Synthesis and Biological Activity of some condensed Heterocycles bearing Benzofuran nucleus. 0 Kuvempu University Science Journal, 2007
    73 Yadav Bodke and S.S.Sangapure*. Synthesis and biological activity of some Benzofuro[3,2-d]pyrimidines. 0 SJR 2003
    74 Bodke Yadav and S.S.Sangapure*. Raga Basawaraj, Synthesis of some 1H-pyrazolines bearing benzofuran as biologically active agents Bodke Yadav and S.S.Sangapure*. Raga Basawaraj, 0 SJR 2001
    75 S.S.Sangapure*, D.H.Veeresh and Bodke Yadav. Synthesis of some benzofuro[3,2-d]pyrimidine derivatives as antibacterial and antifungal agents. 0 SJR 2000
    76 D.G. Kamble, Bodke Yadav and S.S.Sangapure*. Synthesis of some heterocyclic systems bearing (3H)-benzofuropyrimidin-4-one-3-yl moiety as antibacterial agents. 0 SJR 1999

    Books

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    Book Chapters

    SL # Authors Title Publisher Year

    Conferences

    SL # Authors Title Organizer Year
               

    Articles

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  • Research Projects

               
    SL # Title Funding Agency Co-Investigator Amount status
    1 Enumeration and Investigation of Medicinal Plants for Antidiabetic Activity in Western Ghats of Karnataka UGC -- 707167 Completed
    2 Novel Antiviral(HIV) Agents- Base modified nucleosides involving Furan ring system UGC Dr. Yadav D bodke 1001000 Completed
    3 Studies on Synthesis, Characterization and Biological activities of Heterocyclic Compounds Kuvempu University -- 38000 Completed
  • Awards

               
    SL # Award Name Award For Organization Year
    1 CSIR-SRF Research CSIR, New Delhi 2000
  • Patents

               
    SL # Investigator Name Title Year
  • Research Scholars

               
    SL # Name Title Research Type
    1 Sri. Venkatesh Talavara Synthesis of some novel heterocyclic compounds containing pyrimidine nucleus of biological interest Ph.D.
    2 Smt. Kavitha L.Kantha Synthesis and Biological Evaluation of Heterocyclic modified coumarin derivatives Ph.D.
    3 K. Usha S Pai Phytochemical and Pharmacological evaluations of Cleome Viscosa Linn. Ph.D.
    4 Nagaraja O. Synthesis, characterization and biological evaluation of some novel coumarin derivatives Ph.D.
    5 Mamatha D Nayak Synthesis, characterization and biological evaluation of some novel heterocyclic compounds Ph.D.
  • Research Alumni

               
    SL # Name Title of Thesis Research Type Year Address Email Id
    1 Dr. Aruna Sindhe M Phytochemical and Pharmacological Investigation of Medicinal plants with contrast to newly synthesized Heterocyclic analogs Ph.D. 2016 Lecturer, Dept of Chemistry, Govt. P U College, Honnali, Davangere Dist. arunsindhe2008@gmail.com
    2 Dr, Vinoda B M Synthesis of heterocyclic compounds using modified Mont morillonite clays as catalyst and evaluation of their biological activity Ph.D. 2016 Guest Lecturer, Dept. of Chemistry, Sahyadri Science College, Shimoga vinodbm.bm@gmail.com
    3 Dr. Nibin Joy M. Investigation of novel Coumarin derivatives and evaluation of their medicinal values Ph.D. 2015 Post Doctoral Fellow, Dept of Chemistry, I.I.Sc, Bangalore mnibinjoy@gmail.com
    4 Dr. Biradar Shankarappa Amarappa Synthesis and Biological evaluation of Heterocyclic compounds containing nitrogen as a hetero atom Ph.D. 2015 Bangalore shankarappabiradar@gmail.com
    5 Dr. Kenchappa R. Synthesis and Biological Evaluation of some Heterocyclic compounds containing oxygen as Hetero atom Ph.D. 2014 Asst. Professor, DEpt. of Chemistry, Govt. Degree College, Sirsi. kenchappaic@gmail.com
    6 Dr. Sheelavanth Shankar Synthesis and Pharmacological Evaluation of some Heterocyclic compounds containing Benzofuran nucleus Ph.D. 2013 Asst. Professor, Dept. of Chemistry, Gurukul Degree College, Kadyal Bhalki, Dist Bidar snsheelvanth@gmail.com
    7 Dr. Bhovi Venkatesh Kollappa Synthesis and Biological studies of some Benzofuran derivatives Ph.D. 2012 Asst. Professor, Dept. of Chemistry, Vijayanagara College, Hospete venki.kb123@gmail.com