Email: nbadiadka@yahoo.co.uk

1981-1983 M.Sc., Calicut University, Chemistry

1978-1981 B.Sc., Calicut University, Chemistry

Publications (Selected)

1. S. Samshuddin, B. Narayana, B.K. Sarojini and L.N. Madhu (2012)A study on the reactions of alkyl 4,6-bis(4-fluorophenyl)-2-oxocyclohex-3-ene-1- carboxylate and in vitro antioxidant activity of derivatives. Med. Chem. Res. 22, 3002-3011-DOI: 10.1007/s00044-012-0304-7.
2. M.Sapnakumari, B. Narayana, S. Samshuddin, B.K. Sarojini(2013): 2'-[(4-Fluorophenyl)carbonyl]-1'-phenyl-1',2',5',6',7',7a'-hexahydrospiro[indole-3,3'-pyrrolizin]-2(1H)-one,Molbank2013(2): M802.
3. P.S. Nayak, B. Narayana, S. Samshuddin and B.K. Sarojini(2013):2-{[5-(Diphenylmethyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-(pyrazin-2-yl)acetamide,Molbank2013(2): M800.
4. A. S. Praveen, H.S. Yathirajan, B. Narayanaand B. K. Sarojini(2013) Synthesis, characterization and antimicrobial studies of a few novel thiazole derivatives,Med. Chem. Res.23, 00-00,DOI 10.1007/s00044-013-062.
5. S. Samshuddin, B. Narayana, B.K. Sarojini, H.S. Yathirajan and R. Raghavendra (2012) Synthesis, characterization and biological evaluation of functionalized derivatives of versatile synthon 4,4'-difluoro chalcone.Der Pharma Chemical 4 (4): 1445-1457.
6. Divya N. Shetty, B. Narayanaand S. Samshuddin (2012) Novel reagents for the spectrophotometric determination of isoniazid. ISRN Spectroscopy 2012: Article ID 869493, 5 pages.
7. J.P. Jasinski, J.A. Golen, S. Samshuddin, B. Narayanaand H.S. Yathirajan (2012) Synthesis,characterization and crystal structures of 3,5-bis (4-fluorophenyl) -4,5-dihydro-1H-pyrazole-1-carboxamide and 3,5-bis(4-fluorophenyl)-4,5- dihydro -1H-pyrazole-1-carbothioamide. Crystals 2: 1108-1115.
8. R. Srinivasan, B. Narayana, S. Samshuddin and B.K. Sarojini (2012)tert-Butyl 1-(Furan-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate. Molbank2012: M757.
9. M. Kubicki, G. Dutkiewicz,A.S. Praveen, A.N. Mayekar, B. NarayanaandH.S. Yathirajan (2012) Two crystal forms of 4-{(2E)-2-[1-(4-methoxy phenyl)ethylidene] hydrazinyl}-8-(trifluoromethyl) quinoline.J. Chem. Crystallogr. 42: 432–437.
10. S. Samshuddin,B. Narayana, B.K. Sarojini, M.T.H. Khan, H.S. Yathirajan, C.G.D. Raj and R. Raghavendra (2012) Antimicrobial, analgesic, DPPH scavenging activities and moleculardocking study of some 1,3,5-triaryl-2-pyrazolines.Med. Chem. Res.21: 2012–2022.
11. S. Samshuddin,B. B. Golzarroshan, M.S. Siddegowda, Hong qi Li, H.S. Yathirajan,B. NarayanaandR.S. Rathore (2012) Imatinib (Gleevec@) conformations observed in single crystals, protein-Imatinib co-crystals and molecular dynamics: Implications for drug selectivity. J. Mol Struct. 1018, 107–112.
12. A.S. Dayananda, G. Dutkiewicz, H.S. Yathirajan,B. NarayanaandM. Kubicki (2012)Very short intramolecular hydrogen bonds in the crystal structure of1-[bis(4-fluorophenyl)methyl]piperazinediium dimaleate. J. Chem. Cryst. 42: 1046-1051 (DOI 10.1007/s10870-012-0357-y).
13. B. Narayana and Divya N. Shetty (2011) Development and validation of spectrophotomtric method for the determination of risperidone. Der Pharmacia Lettre 3(5): 104-109.
14. B. Narayana andK. Veena (2011) A new and simple method for the spectrophotometric determination of risperidone. Oxdn. Commun. 33 (3): 660-665.
15. B. Narayana and K. Veena (2011) A new analytical system for the spectrophotometric determination of betamethasone. Oxdn. Commun. 33(2): 379-384.
16. B. Narayana and K. Veena (2010) Spectrophotometric determination of citalopram hydrobromide in pharmaceuticals.J. Mex. Chem. Soc. 54(2): 98-102.
17. J.P. Jasinski, R.J. Butcher, A.N. Mayekar, H.S. Yathirajan, B. Narayanaand B.K. Sarojini (2010) Synthesis, crystal structures and theoretical studies of four Schiff bases derived from 4-hydrazinyl-8-(trifluoromethyl)quinoline. J. Mol Struct. 980: 172-181.
18. N. Mayekar, Hongqi Li, H.S Yathirajan, B. Narayanaand N. Suchetha Kumari(2010) Synthesis, characterization and antimicrobial study of some new cyclohexenone derivatives. Intern. J. Chem. 2: 114-123.
19. B. Narayanaand K. Ashwini (2010) Novel reagent for the spectrophotometric determination ofranitidine hydrochloride. Eurasian J. Anal.Chem. 5: 170-176.
20. B. Narayana, K. Ashwini, Divya N. Shetty and K. Veena (2010) Spectrophotometricdetermination of ranitidine hydrochloride based on the reaction withp-dimethylamino-benzaldehyde. Eurasian J. Anal. Chem. 5: 63-72.
21. Poornesh, S. Shettigar, G. Umesh, K.B. Manjunatha, K. Prakash Kamath, B.K. Sarojini andB. Narayana (2009) Nonlinear optical studies on 1,3-disubstituent chalcones doped polymer films.Optical Materials 31: 854–859.
22. B.V. Ashalatha, B. Narayana, K.K. Vijaya Raj (2009) Synthesis and characterization of some novel 3-bromo-2-acetylthiophene chalcones and biological evaluation of their ethyl-4-(3-bromothien-2-yl)-2-oxo-6- (aryl) cyclohex-3-ene-1-carboxylate derivatives.Phosphorus, Sulfur, and Silicon 184: 1904 -1919.
23. B.V. Ashalatha, B. Narayana, K.K. Vijaya Rajand N. Suchetha Kumari (2007)Synthesis of some new bioactive 3-amino-2-mercapto-5,6,7,8-tetrahydro[1] benzothieno[2,3-d]pyrimidin-4(3H)-one derivatives. Eur.J. Med.Chem. 42: 719-728.
24. K.K. Vijaya Raj, B. Narayana, B.V. Ashalatha, N. Suchetha Kumari and B.K. Sarojini (2007)Synthesis of some bioactive 2-bromo-5-methoxy-N′- [4-(aryl)-1,3-thiazol-2-yl]-benzohydrazide derivatives.Eur.J. Med. Chem. 42: 425-428.
25. B.V. Ashalatha, B. Narayana, K.K. Vijaya Raj and N. Suchetha Kumari (2006) Synthesis of some new 5-fluoro/chloro/bromo-N΄-(4-aryl-1,3-thiazol-2-yl) -1H-indole-2-carbohydrazide derivatives as possible antifungal and antibacterial agents. J. Pharmacol. Toxicol. 1: 552-558.