Dr. Vishwanatha P

Dean, PG Studies
Coordinator, PG Studies and Research in Chemistry
  • M Sc, Ph D
  • Courses Taught : B.Sc.(All semesters), M.Sc.(All semesters)
  • Area of Expertise : Heterocyclic Chemistry, Organic Reaction Mechanisms, Synthetic Organic Chemistry, Natural Products Chemistry
  • Academic Experience - 32 Years

Contact Details

Mobile : + 91 9448335659

email : drvishwanathap@sdmcujire.in

Research Details

  • Awarded Ph.D. on “Studies on the Synthesis of Biologically active Nitrogen,Oxygen and Sulphur containing Heterocycles” under the guidance of Prof. B Kalluraya, Department of Chemistry, Mangalagangothri ,  Mangalore University  in 1999 
  • Recognized Research Guide for Ph.D. Programme in Chemistry by Tumkur University
  • Successfully guided one candidate for M.Phil and presently guiding one candidate for Ph D
  • Completed- Minor research project entitled “Analysis of Nethravathi river water-A special reference to health” under UGC grant during the period 2009–2011
  • Completed- Minor research project entitled “Studies on the oxidation of heterocyclic substrates” under UGC grant during the Period 1997 – 1999
  • Completed -Minor research project entitled “Qualitative and quantitative study of water quality in some selected pockets of NethravathiRiver” under COSIP funded by UGC sanctioned to the Department of Chemistry during 1999-2002



  • Kalluraya B, Chimbalkar R, Vishwanatha P,Kotian M. Synthesis and biological activity of some 2-aryl – 4-coumarinothiazoles. Indian J.  Het. Chem.1995; 5: 153-4.ISSN(Print): 0971-1627.
  • Kalluraya B, Vishwanatha P,Chimbalkar R. Synthesis and antibacterial properties of some 2- substituted-4-coumarinothiazoles, Chim. Acta. Turc. 1996;24: 119-21.ISSN: 0379 – 5896.
  • Kalluraya B, Vishwanatha P. Synthesis and biological activity studies of 3-arylaminomethyl-7H-6- (6-substituted –3- coumarino)-s-triazolo [3,4-b][1,3,4] thiadiazines,  Boll.Chim. Farm. 1998; 137: 169-72.ISSN: 0006-6648.
  • Kallauraya B,Vishwanatha P.Sydnone derivatives Part-1: Synthesis of some 3-substituted-4 (3-arylaminomethyl-7H-s-triazolo [3,4-b] [1,3,4] – thiadiazin-6-y1)-sydnones, Indian J. Het. Chem.1998 ;7: 277-80.ISSN(Print):0971-1627.
  • Kalluraya B,Vishwanatha P,Rahiman A M.Sydnone derivatives Part-II: Synthesis, characterization and biological activity of 3 aryl-4- [2-(5- substituted-2- furfurylidenehydrazino) –4 -thaizolyl] sydnones, Revue Roumaine de Chimie.2000; 45 (1):71-75.ISSN(Print): 0035-3930.
  • Kalluraya B, Vishwanatha P, Kotian M. Synthesis and biological activity studies of 6-substituted-3-[2-(5-substittuted-2-furfurylidene hydrazine)-4-thaizolyl] coumarins, Boll. Chim.Farm. 2000;139: 236- 46.ISSN: 0006-6648.
  • Kalluraya B, Vishwanatha P, Ganesh Rai, Rahiman A M,Suchetha. Synthesis and biological activity of some triazinothiadiazines.Indian J. Het. Chem.2002; 11: 287-90.ISSN(Print): 0971-1627.
  • Kalluraya B, Vishwanatha P, Hegde Jyothi C, Frank Priya V, Ganesh Rai. Sydnone derivatives part IV: Synthesis of some triazolethiadiazepines and their biological activity, Indian J. Het. Chem. 2003;12: 355-56. ISSN(Print):0971-1627.
  • Naveen S, Vasantha Kumar, BojaPoojary, Vishwanatha P, Lokanath N K, Abdoh M MM. Ethyl -1- (4–Flurobenzyl) -2-(4- methoxy phenyl)-1H-benzo(d) imidazole-5-carboxylate. IUCr Data. 2016;161744. ISSN: 2414-3146.
  • Samshuddin S, Naveen S, Ananya L N, Vishwanatha P, Lokanath N K, MuneerAbdoh. 2, 5- Bis – (4- chlorobenzylidene) cyclopentanone.  IUCr Data. 2016;161865.  ISSN: 2414-3146.
  • RajeshNHegde, Vishwanatha P. Voltammetric Detection of Cinnarizine at Multiwalled Carbon Nano Tubes Modified Paste Electrode, International Journal of Research and Scientific Innovation.2018;5(1):31-41.  ISSN: 2321-2705.
  • Purandara H, Raghavendra S, SebineForo, PrashanthPatil, ThimmeGowda B, Dharmaprakash S M, Vishwanatha P. Synthesis, spectroscopic characterization, crystal structure, Hirshfeld surface analysis and third order nonlinear optical properties of 2-(4-chlorophenoxy)-N’- [(1E) -1- (4- methylphenyl) ethylidene] acetohydrazide.Journal of Molecular Structure.2019; 1185: 205-11. ISSN:0022 – 2860.
  • Shashiprabha, Sanjay S S, Mohan T P, Vishwanatha P. Microwave assisted, solvent free, green synthesis of pyrimidine derivatives. International Journal Shodha. 2020; 9: 134-40. ISSN: 2249 – 0396.
  • Premanand M Honavar, Vasantha Kumar, Nikhil P, Naveen Kumar, Sreenivasa S, Vishwanatha P,BojaPoojary, ShivaramaHolla B.Synthesis, antiinfammatory activity and in silico studies of some novel morphine based carboxamides. Asian Journal of Chemistry.2020; 32(4): 901- 06. ISSN:0970-7077.
  • Sujay M M, Shivakumar H R,Vishwanatha P. Physical behavior of Areca Leaf – Carbon Nanotube – Vinyl Ester and Eupatorium Fiber Carbon Nanotube – Vinyl Ester reinforced hybrid polymer composites. IOSR Journal of Applied Chemistry. 2020; 13(5): 32-39. ISSN: 2278-5736.
  • PremanandMHonavar, Prithvi S Shirahatti, RamithRamu HS,Arunodaya, Vasantha Kumar, Gurubasavaraja Swamy P M, Naveen Kumar, Vishwanatha P,ShivaramaHolla B.Synthesis, antidiabetic, antimicrobial and molecular docking studies of some new rhodanine acetic acid derivatives. Indian Journal of Heterocyclic Chemistry. 2020;30(02): 211- 16. ISSN(Online): 2456-4311, ISSN(Print):0971-1627.
  • NarayanaHebbar, Praveena B M, PrasannaB M, Vishwanatha P. Electrochemical and Adsorption Studies of 4-Chloro, 8-(Trifluoro methyl) Quinoline (CTQ) for Mild Steel in Acidic Medium.  Journal of   Failure Analysis and Prevention. 2020; 20(5): 1516- 23. ISSN:1547-7029.
  • Nefisath P, Jagadeesh Prasad Dasappa, Haripriya B, Deepak Chopra, Katharigatta N Venugopala, Pran Kishore Deb, Raquel M Gleiser, VireshMohanlall, RajendraMaharaj, Shashiprabha S, Vishwanatha P. Synthesis, characterization and larvicidal activity of novel benzylidene derivatives of fenobam and its thioanalogues with crystal insight. Journal of Molecular Structure. 2021; 1226: Part B, 205-11. ISSN:0022 – 2860.
  • Nefisath P, Jagadeesh Prasad Dasappa, Haripriya B, Deepak Chopra, Katharigatta N Venugopala, Pran Kishore Deb, Raquel M Gleiser, VireshMohanlall, RajendraMaharaj, Shashiprabha S, Vishwanatha P. Synthesis structural elucidation and larvicidal activity of novel arylhydrazones. Journal of Molecular Structure. 2021; 1236, 130305: Part B, 205-11. ISSN:0022 – 2860.
  • RajeshNHegde, Vishwanatha P. Nandibewoor S T. Electro oxidation and determination of Atenolol – A review,Research Journal of Chemical of Sciences.2021;11(1):75-83.  ISSN: 2231-606X.
  • NarayanaHebbar,Vishwanatha P. Anti-inflammatory drug as a green corrosion inhibitor for Zinc in acidic medium. International Journal Shodha. 2021; 162-68. ISSN: 2249 – 0396.
  • Naveen Kumar, SwamySreenivasa, AkilaPrashant, Vasantha Kumar, BantvalShivaramaHolla, VivekChandramohan, Vishwanatha P, Anshu Kumar Yadav. N –- [(3- (substitutedphenyl)-1-phenyl-1H-pyrazol-4-yl) methylene] – (substituted) benzhydrazyde: Synthesis, Characterization and Pharmacological Evaluation. Chemical Data Collections. 2021;32 100665.ISSN:  2405-8300
  • Krishna Karanth, Vishwanatha P. A mild and efficient method for synthesis of benzimidazoles using thallium nitrate and lanthanum nitrate catalysts. International Journal of Scientific Research in Chemical Sciences. 2021;8 (4), 01-04. E- ISSN 2455 3174.
  • H.Purandara, B.M. Santhosh, S. Raghavendra, Sabine Foro, PrashantPatil, S.M. Dharmaprakash, Vishwanatha P.Crystal structure elucidation, experimental and computational optical properties of novel acceptor-donor-acceptor organic material: A suitable candidate for nonlinear applications.Journal of Molecular Structure.2022; 1248:131492. ISSN:0022 – 2860.
  • Subrahmanya R. Sharma, Sanjay S S, Shashiprabha, Vishwanatha P. Colocasia Esculenta Leaf Slurry as an Efficient Surface Applicant Addittive. International Journal Shodha.  January 2022; 131- 44. ISSN: 2249 – 0396.
  • RajeshNHegde, Vishwanatha P. Nandibewoor S T. Kinetic andmechanistic modelling on oxidation of antidiabetic drug metformin with copper (III) periodate complex in aqueous alkaline media.Russian Journal of Physical Chemistry. January2022;96 (1):75-83.  ISSN: 0036-0244.
  • Rajesh N Hegde, Vishwanatha P. Nandibewoor S T. Voltammetric assessment of 8- oxoguanine at a nano structured carbon materials based modified glassy carbon electrode.Brazilian Journal of Analytical Chemistry. doi: 10.30744/brjac.2179-3425.AR-20-2022,2022; 9(37). 84-93 ISSN: 2179-3425.
  • Rajesh N Hegde, Vishwanatha P. Nandibewoor S T.Kinetic study and mechanistic elucidation for metformin oxidation by Mn(VII) in alkaline medium.Research Journal of Chemical Sciences. June 2022; 12(2):53-63.E- ISSN: 2231-606X.


  • Kalluraya B, Vishwanatha P, Arun M. Isloor, Ganesh Rai. Synthesis of some triazolothiadiazines as possible antifungal agents. Journal of Indian Council of Chemists. 1999; 16(2): 26 – 28. ISSN: 0971 – 5037
  • Shashiprabha, Sanjay S S, Vishwanatha P, Sudhakar Y N. Synthesis, characterization and biological activity of quinoline bound imidazoles. Mapana Journal of Sciences. 2018;17(2): 53-59. ISSN: 0975-3303.
  • Nefisath P, Vishwanatha P, Sudhakar Y N, Synthesis and characterization of benzoxazinone derivatives. Mapana Journal of Sciences. 2018; 17(2): 47-51. ISSN: 0975-3303
  • Shashiprabha, ShivaramaHolla B,Vishwanatha P, Nefisath P. Synthesis and characterization of chalcones and pyrazolines derived from substituted aryl ether. Mapana Journal of Sciences. 2019; 18 (2): 13-19. ISSN: 0975-3303.

Paper presented

  • Kalluraya B,Vishwanatha P.Synthesis of some triazolothiadiazines as possible antifungal agents.National Seminar on “Emerging trends in the management of fungal infections”, Lucknow University, 14 – 16 November 1997.
  • Vishwanatha P, Rahiman A M,Kalluraya B. Synthesis of some 3-arylaminomethyl-6-(3-aryl sydnone)-8-aryl-1,2,4-triazolo [3,4-b] [1,3,4] thiadiazepines and their biological activity.Sixteenth conference ofIndian Council of Chemists”, Mangalore University, Mangalagangothri, 28 – 30 December 1997.
  • Rahiman A M, Vishwanatha P,Kalluraya B. Synthesis and biological activity of 3-aryl-4 [(substituted piperonylidenehydrazino)-4, thiazolyl] sydnones.Sixteenth conference of “Indian Council of Chemists”, Mangalore University, Mangalagangothri,  28- 30 December 1997.
  • Kalluraya B, Vishwanatha P. Synthesis of some 3-substituted-4-(3- arylaminomethyl-7H-s-triazolo [3,4,-b] [1,3,4] thiadianzin-6-yl) Sydnones and their biological activity.“85th Indian Science Congress”, Osmania University, Hyderabad, 3 – 7 January 1998.
  • Kalluraya B,Vishwanatha P.Sydonederivates: Synthesis, Characterization and biological activity of 3-aryl-4 [2-(5- substituted –2-furfurylidene hydrazine)-4 thiazolyl] sydnones.UGC-DRS, National Symposium on “Newer vistas in synthetic protocols and structural elucidation in chemistry”, MadhuraiKamaraj University, Madurai, 22 to 24 April, 1998.
  • Nefisath P,Vishwanatha P. Synthesis, Characterization and Antifungal studies of QuinazolinoneDerivatives.National Conference on “Current Advances in Chemical Sciences”, Tumkur University, Tumkur, 16 March 2018.
  • Nefisath P,PrashanthaNaik, Annapoorna, Shashiprabha, Jagadeesh Prasad D, Vishwanatha P. Anti-inflammatory and Anti-microbial activity studies of some novel Imidazole Derivatives.International Conference on “Modern Trends in Chemical Sciences including Green Chemistry (MTCSGC-2018)”, SRM Institute of Science and Technology, Ramapuram, Chennai, 27-29 December 2018.
  • Nefisath P, Jagadeesh Prasad D, Nagarajan K, Vishwanatha P,Shashiprabha. Anthelmintic and Anti-microbial Activity Studies of some 4-Oxo-5-substituted-2-imidazolidinylidene Derivatives of N-Acetylcreatinine.International Conference on “Advanced Functional Materials for Energy, Environment and Health Care (AFMEEHC)”, University of Mysore, Mysuru, 18-20 March 2019.
  • Sudhakar Y N, Anitha Varghese, Akshya K B,Vishwanatha P.Electrodeposited poly(aniline) decorated with nanocactus platinum and its supercapacitor Application.International Conference on “Advances in Chemical and Materials Science (ICCM-2019)”, Mangalore University, Mangalagangothri,17-19 October 2019.
  • Nefisath P, Shashiprabha, Jagadeesh Prasad D, Venugopal, Vishwanatha P. Antitubercular Activity Studies of Some Novel Schiff Bases of Ethyl 2-(3-Cyano-4-Isobutoxyphenyl)-4-Methyl-1,3-Thiazole-5-Carboxylate.International Conference on “Advances in Chemical and Materials Science (ICCM-2019)”, Mangalore University, Mangalagangothri, 17-19 October 2019.

  • Nefisath P, PrashanthaNaik, Annapoorna, Shashiprabha, Vishwanatha P, Venugopal, Jagadeesh Prasad D. Antitubercular, Anti-inflammatory and Antimicrobial Activity Studies of some Novel Imidazole Derivatives.International Syngenta Agroscience Symposium on “Sustainable Chemistry & Technology”, Syngenta Biosciences Pvt. Ltd., Goa, 4 – 5 November2019


Conference/Seminars attended

  • Attended one day Natonal Seminar on “Insights on CBCS and MOOC in Higher Education System”organised by AMUCT and St. Agnes College, Mangaluru (Autonomous) held at Mangaluru on 28th June 2019
  • Attended Two day National Seminar on “Recent Advances in Chemical Sciences” organised by SDM College (Autonomous) Ujire on 18th and 19th January 2019.
  • Attended one day Workshop on “Introduction of CBCS at the Undergraduate Programmes” held on 15.09.2018 at Mangalore University, Mangalagangothri.
  • Attended the “Second Task Force under Star College Scheme” on organised by Department of Biotechnology, Ministry Science and Technology, Govt. of India on 8th May 2018 held at Gargi College, New Delhi.
  • Attended a Seminar on “Manpower Planning in Higher Education” organized by College Development Council, Mangalore University and FVCK at Mangalore University on 24-10-2017.
  • Attended “Science Lecture Series programme” organized by SDM College Ujire in association with KSTA, Bangalore on 12-01-2017.
  • Attended Workshop on “The Role of IQAC in Quality Sustenance and Enhancement in Higher Education Institutions” at KSS College Subrahmanya on 23-07-2016.
  • Attended State Level Conference on ‘Autonomous Colleges: Issues, Prospects and Challenges’ at Mangalore University on 20-11-2015 and 21-11-2015.
  • Attended National Level Seminar on “Modern Synthetic Methods and their Applications” organized by PG department of chemistry, SDM College, Ujire, on 27-02-2015.
  • Attended UGC Sponsored National Conference in “Worlds Emerging Advancements in Chemical Technology [We Act-2014]” organized by Department of Chemistry, GovindaDasa First Grade College Surathkal on 10-11-2014.
  • Attended XXVII AIFUCTO Statutory Conference 2013, organized by AMUCT at St Aloysius College (Autonomous), Mangalore, from 30-11-2013 to 02-12-2013.
  • Attended the NUEPA Sponsored National Seminar on “Changing Paradigms of Higher Education: XII Five Year Plan Initiatives” at St Aloysius College (Autonomous), Mangalore, on 01-12-2013.
  • Attended the “Convention on Higher Education” organized by AMUCT at St Aloysius College (Autonomous), Mangalore, on 30-06-2013.
  • Attended State Level Workshop on “Methodologies in Research Article Writing” at SDM College, Ujire, on 26-01-2013.
  • Attended a Symposium on “Recent Trends in Pharmaceutical Sciences” organized by UG and PG Departments of Chemistry, SDM College, Ujire, on 24-12-2012.
  • Attended the International Conference on “Synthetic and Structural Chemistry, ICSSC-2011” at Mangalore University, Mangalagangothri, from 08-12-2011 to 10-12-2011.
  • Attended a conference and the UGC sponsored National seminar on “Recent Initiatives in Higher Education and their Impact on Equity and Excellence” at Kanyakumari, Tamil Nadu, from 20-10-2011 to 22-10-2011.
  • Attended the U.G.C. Sponsored National Seminar on “Recent Initiatives in Higher Education and their Impact on Equity and Excellence” conducted by AIFUCTO and S.T. Hindu College, Tamil Nadu at Kanyakumari, on 21-10-2011.
  • Attended workshop on “Preparation for SLET-2011” conducted by UG and PG Departments of Chemistry, SDM College, Ujire, from 13-08-2011 to 14-08-2011.
  • Attended International workshop on “Applications of Nanotechnology to Energy, Environment and Biotechnology” organized by St. Aloysius College, Mangalore from 14-12-2010 to 16-12-2010.
  • Attended workshop on “Microscale Experiments in Chemistry” conducted by PG and UG Departments of Chemistry, SDM College, Ujire, from 29-09-2010 to 30-09-2010.
  • Attended and presented a paper in the UGC Sponsored State Level Seminar on “Recent Developments in Nano Chemistry-An Overview” organized by PG Department of Chemistry, Govt. Science College, Hassan, on 10-10-2009.
  • Attended State Level Conference on “Emerging Trends in Medicinal Chemistry and Drug Designing” organized by PG Department of Chemistry, SDM College, Ujire on 6th and 7th March 2009.
  • Attended TEQIP sponsored National workshop on “Advances in Organic Chemistry and Allied Applications” at NITK, Surathkal from 16-02-2009 to 18-02-2009.
  • Attended TEQIP sponsored National workshop on “Advances in Co-ordination Chemistry” at NITK, Surathkal from 08-01-2009 to 10-01-2009.
  • Attended “National Seminar on Bharatiya Heritage” at SDM College of Naturopathy and Yogic Science, Ujire from 13-05-2008 to 15-05-2008.
  • Attended TEQIP sponsored workshop on “Educational Excellence” at SDM College of Engineering & Technology, Dharwad, on 6th and 7th August 2007.
  • Attended State Level Seminar on “Topics in Applied Chemistry” at St Aloysius College Mangalore on 5th and 6th of January 2007.
  • Attended Workshop on “SwasthyaSankalpa-Students awareness programme” organized by NSS at SDM College Ujire, on 01-09-2006.
  • Attended UGC sponsored Regional Level Symposium on “Science Teaching and Education at Undergraduate Level – Past Experiences and Future Directions” at St. Philomena College, Puttur, on from 06-10-2005 to 07-10-2005.
  • Attended National Conference on “Capacity Building Programme on Multimedia and E-content Development” at Consortium for educational communication, NSC Campus, New Delhi, from 16 – 11 – 2004 to 27 -11- 2004.
  • Attended UGC sponsored State Level Seminar on “Modern Techniques in Analytical Chemistry” at SDM College, Ujire, from 29-07-2004 to 31-07-2004
  • Attended UGC sponsored Refresher Course at Mysore University from 10-10-2003 to 30-10-2003.
  • Attended State Level Symposium on “Restructuring Degree Education in the Era of Information Technology” held at M.G.M. College, Udupi, from 17-08-2001 to 19-08-2001.
  • Attended workshop on “Chemistry in the New Millennium” at M.G.M. College, Udupi, on 22-07-2000.
  • Attended UGC sponsored Refresher Course at Mangalore University from 02-06-2000 to 26-06-2000.
  • Attended UGC sponsored Orientation Course at AIM INSIGHTS, Mangalore from 15-03-1999 to 10-04-1999.
  • Attended UGC sponsored Refresher course at Kuvempu University from 23-10-1998 to 14-11-1998.
  • Attended UGC sponsored Computer Awareness Training Programme from 03-03-1997 to 22-03-1997 in Mangalore University, Mangalagangothri

Any Other

  • Rover / Ranger Programme Officer,1994-2003
  • NSS Programme Officer, 2003 – 07
  • Chairman, APAC, 2008-13
  • Secretary, SDM Staff Association, 2015-16
  • Vice President of Association of Mangalore University College Teachers (R), (AMUCT), 2015-17
  • Co-ordinator of CPE Scheme, UGC, 2014-19
  • Director, SDM Research Centre affiliated to Tumkur University, 2016 – 2021
  • Co-ordinator for M.Sc in Medicinal Chemistry/Chemistry Organic Chemistry since 2008
  • Co-ordinator of SDM Soil Testing Centre since 2016
  • Vice President of SDM SibbandiSauhardaSahakariNiyamita (R) since 2019
  • Dean, Post Gradute Centre, SDM College (Autonomous), Ujire since September 2020
  • Consultant-Water Quality Maintanance, SDM Swimming Pool since July 2020
  • BoS Member of St. Aloysious College, Mangalore, 2020-22
  •  BoS Member of Govt Science College, Hassan, 2022-24
  • BoE Member of St. Aloysious College, Mangalore, Govt Science College, Hassan and Tumkur University, Tumkur