Dr. Venkatapuram Padmavathi
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Dr. Venkatapuram Padmavathi

Professor
Sri Venkateswara University, India

Highest Degree
PostDoc Fellow in Synthetic Organic Chemistry from Temple University, USA

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Biography

Prof. V. Padmavathi has 22 years of teaching and 27 years of research experience. She taught B.Tech Engineering Chemistry and has been teaching at PG level Heterocyclic chemistry, Reagents in organic synthesis, Nucleophilic substitution reactions, Photochemistry, Boron, sulfur, phosphorus and silicon chemistry and Natural products. She worked as INSA visiting Fellow at Indian Institute of Science, Bangalore during 1997. She had postdoctoral experience at Fel’s Research Institute, Temple University, Philadelphia, USA during 2001 to 2002. She is the recipient of Meritorious Teachers award during 2000 and Teacher of Excellence Award by S. V. University in 2009. Her broad research areas are synthetic organic chemistry, stereochemistry and bioorganic chemistry. She has produced 25 Ph. D. and 13 M. Phil. degrees and published 198 research papers in journals of repute. She has attended several conferences at National and International level. She has successfully completed three research projects funded by DST, CSIR and UGC and at present one CSIR, one DST projects are ongoing. She is the life member of many scientific and professional societies

Area of Interest:

Chemistry
100%
Synthetic Organic Chemistry
62%
Bioorganic Chemistry
90%
Heterocyclic Chemistry
75%
Biological Activity
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Venkatapuram, P., S. Tumma, S. Dandu and P. Chokkappagari, 2015. Synthesis of amido-linked oxazolyl/thiazolyl/imidazolyl pyrazoles and isoxazoles. J. Heterocyclic Chem., 52: 756-763.
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  2. Reddy, P.R., D. Seenaiah, A. Padmaja, V. Padmavathi and N.S. Krishna, 2015. Synthesis, antioxidant and cytotoxic activities of bis(oxazolyl/thiazolyl/imidazolyl)amidomethanesulfonyl acetamides. Med. Chem. Res., 24: 86-98.
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  3. Reddy, P.R., A. Padmaja and V. Padmavathi, 2015. Synthesis of heteroaryl thiazolidinones and azetidinones under conventional and ultrasonication methods. J. Heterocyclic Chem., 52: 1474-1482.
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  4. Reddy, L.M., T.B. Prakash, A. Padmaja and V. Padmavathi, 2015. Synthesis and antimicrobial activity of pyrazolyl benzoxazoles, benzothiazoles and benzimidazoles. Med. Chem. Res., 24: 970-979.
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  5. Padmavathi, V., K. Sudheer, A. Muralikrishna and A. Padmaja, 2015. Double michael adducts: Source for spiro heterocycles. Indian J. Chem. Sect. B-Organic Chem. Includ. Med. Chem., 54: 283-289.
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  6. Durgamma, S., P.R. Reddy, V. Padmavathi and A. Padmaja, 2015. Synthesis and antioxidant activity of amido-linked benzoxazolyl/benzothiazolyl/benzimidazolyl-pyrazoles and isoxazoles. J. Heterocyclic Chem. 10.1002/jhet.2347.
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  7. Divya, K., G. Sravya, A. Padmaja and V. Padmavathi, 2015. Synthesis and antimicrobial activity of bis-heterocyclic sulfamoyl acetamides. Res. Chem. Int., 41: 4413-4426.
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  8. Basha, S.S., P.R. Reddy, A. Padmaja, V. Padmavathi, K.C. Mouli and T. Vijaya, 2015. Synthesis and antimicrobial activity of 3-aroyl-4-heteroaryl pyrroles and pyrazoles. Med. Chem. Res., 24: 954-964.
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  9. Basha, N.M., P.R. Reddy, A. Padmaja and V. Padmavathi, 2015. Synthesis and antioxidant activity of bis-oxazolyl/thiazolyl/imidazolyl 1,3,4-oxadiazoles and 1,3,4-thiadiazoles. J. Heterocyclic Chem. 10.1002/jhet.2436.
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  10. Talapuru, B.P., L. Gopala, P. Adivireddy and P. Venkatapuram, 2014. Synthesis and antioxidant activity of amidomethane sulfonyl-linked bis heterocycles. Med. Chem. Res., 23: 4500-4509.
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  11. Syamaiah, K., G.M. Reddy, V. Padmavathi and A. Padmaja, 2014. Synthesis and antimicrobial activity of some new amido/sulfonamido-linked 3,4-disubstituted pyrroles. Med. Chem. Res., 23: 3287-3297.
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  12. Swapna, M., N.M. Basha, A. Padmaja and V. Padmavathi, 2014. Synthesis of amino derivatives of 3-(4-phenyl-1, 2, 3-triazolyl) benzamine. Indian J. Chem. Sect. B-Organic Chem. Includ. Med. Chem., 53: 1178-1184.
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  13. Seenaiah, D., P.R. Reddy, G.M. Reddy, A. Padmaja, V. Padmavathi and N.S. Krishna, 2014. Synthesis, antimicrobial and cytotoxic activities of pyrimidinyl benzoxazole, benzothiazole and benzimidazole. Eur. J. Med. Chem., 77: 1-7.
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  14. Reddy, P.R., G.M. Reddy, A. Padmaja, V. Padmavathi, P. Kondaiah and N.S. Krishna, 2014. Synthesis, antioxidant and cytotoxic activities of N‐azole substituted thiomorpholine derivatives. Archiv Pharmazie, 347: 221-228.
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  15. Premakumari, C., D. Seenaiah, A. Srilakshmi, D.V.R.S. Gopal and V. Padmavathi, 2014. Synthesis and antimicrobial activity of amido sulfonamido methane linked bisoxazoles, bisthiazoles and bisimidazoles. J. Heterocyclic Chem., 51: 1875-1882.
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  16. Premakumari, C., A. Muralikrishna, A. Padmaja, V. Padmavathi, S.J. Park, T.J. Kim and G.D. Reddy, 2014. Synthesis, antimicrobial and anticancer activities of amido sulfonamido methane linked bis heterocycles. Arabian J. Chem., 7: 385-395.
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  17. Prakash, T.B., G.D. Reddy, A. Padmaja and V. Padmavathi, 2014. Synthesis and antimicrobial activity of amine linked bis-and tris-heterocycles. Eur. J. Med. Chem., 82: 347-354.
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  18. Padmavathi, V., T. Sreelatha, P.R. Reddy and K. Divya, 2014. Synthesis of a new class of bis heterocycles. Indian J. Chem. Sect. B-Organic Chem. Includ. Med. Chem., 53: 1295-1300.
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  19. Padmavathi, V., S. Dandu, P. Chokkappagari and P. Adivireddy, 2014. Synthesis and antimicrobial activity of a new class of sulfonylmethane linked bisheterocycles. J. Heterocyclic Chem., 51: 1757-1763.
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  20. Padmaja, A., C. Rajasekhar, S. Durgamma, B.C. Venkatesh and V. Padmavathi, 2014. Synthesis and antioxidant activity of pyrazolyl-oxazolines/thiazolines and isoxazolyl-oxazolines/thiazolines. Med. Chem. Res., 23: 1084-1098.
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  21. Lavanya, G., V. Padmavathi and A. Padmaja, 2014. Synthesis and antioxidant activity of 1, 4-[Bis (3-arylmethanesulfonyl pyrrolyl and pyrazolyl)] benzenes. J. Brazilian Chem. Soc., 25: 1200-1207.
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  22. Lavanya, G., L.M. Reddy, V. Padmavathi and A. Padmaja, 2014. Synthesis and antimicrobial activity of (1,4-phenylene)bis(arylsulfonylpyrazoles and isoxazoles). Eur. J. Med. Chem., 73: 187-194.
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  23. Guda, M.R., S. Gundala, V. Padmavathi and A. Padmaja, 2014. An efficient synthesis of styryl 1,3,4-thiadiazoles using Lawesson's reagent and propylphosphonic anhydride-precursors for bis heterocycles. Arabian J. Chem., 7: 947-954.
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  24. Basha, N.M., D. Seenaiah, A. Padmaja, V. Padmavathi, D.S. Bhargav and T. Vijaya, 2014. Synthesis and antioxidant activity of bis and tris heterocycles. Archiv Pharmazie, 347: 54-67.
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  25. Venkatesh, B.C., N.M. Basha, A. Padmaja and V. Padmavathi, 2013. Heterocyclization reactions of ketene dithiolates. Indian J. Chem. Sect. B-Organic Chem. Includ. Med. Chem., 52: 665-670.
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  26. Swapna, M., C. Premakumari, S.N. Reddy, A. Padmaja, V. Padmavathi, P. Kondaiah and N.S. Krishna, 2013. Synthesis, antimicrobial and cytotoxic activities of sulfonamidomethane linked heterocycles. Chem. Pharmaceut. Bull., 61: 722-730.
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  27. Swapna, M., C. Premakumari, S.N. Reddy, A. Padmaja and V. Padmavathi, 2013. Synthesis and antioxidant activity of a variety of sulfonamidomethane linked 1,3,4-oxadiazoles and thiadiazoles. Chem. Pharmaceut. Chem. Pharmaceut. Bull., 61: 611-617.
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  28. Sudheer, K., B.C. Venkatesh, K. Syamaiah and V. Padmavathi, 2013. Michael adducts: Source for Spiro heterocycles. Indian J. Chem. Sect. B-Organic Chem. Includ. Med. Chem., 52: 1473-1478.
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  29. Seenaiah, D., B.C. Venkatesh, A. Padmaja and V. Padmavathi, 2013. Synthesis of some new oxazolinyl/thia-zolinyl/imidazolinyl- benzoxazoles, benzothiazoles and benzimidazoles. Indian J. Chem. Sect. B-Organic Chem. Includ. Med. Chem., 52: 942-948.
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  30. Reddy, G.M., P.R. Reddy, V. Padmavathi and A. Padmaja, 2013. Synthesis and antioxidant activity of a new class of mono- and bis-heterocycles. Archiv Pharmazie, 346: 154-162.
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  31. Reddy, G.M., A. Muralikrishna, V. Padmavathi, A. Padmaja, T.K. Tilak and C.A. Rao, 2013. Synthesis and antioxidant activity of styrylsulfonylmethyl 1,3,4-oxadiazoles, pyrazolyl/isoxazolyl-1,3,4-oxadiazoles. Chem. Pharmaceut. Bull., 61: 1291-1297.
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  32. Prakash, T.B., L.M. Reddy, A. Padmaja and V. Padmavathi, 2013. Synthesis and antimicrobial activity of azole derivatives. Chem. Pharmaceut. Bull., 61: 516-523.
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  33. Padmavathi, V., N. Revathi, C. Rajasekhar and C. Premakumari, 2013. Synthesis of a new class of sulfone linked bisheterocycles. J. Heterocycl. Chem., 50: 579-584.
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  34. Padmavathi, V., M. Swapna, S.N. Reddy and A. Padmaja, 2013. Synthesis of pyrrolyl and pyrazolyl sulfonamides. Chem. Heterocyclic Compounds, 11: 1755-1759.
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  35. Basha, N.M., G. Lavanya, A. Padmaja and V. Padmavathi, 2013. Synthesis and antioxidant activities of acetamidomethylsulfonyl bis heterocycles-oxazolyl/thiazolyl/imidazolyl-1,3,4-oxadiazoles. Archiv Pharmazie, 346: 511-520.
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  36. Padmavathi, V., C. Premakumari, B.C. Venkatesh, T.B. Prakash and A. Padmaja, 2012. Synthesis of new class of 2-benzylsulfonylmethylsulfonyl-oxazolines and thiazolines. Indian J. Chem., 51: 1494-1501.
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  37. Padmavathi, V., B.C. Venkatesh, C. Premakumari and A. Padmaja, 2012. Synthesis of a new class of arylsulfonylethylsulfonylmethyloxazolines and thiazolines. J. Heterocyclic Chem., 49: 646-651.
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  38. Padmavathi, V., B.C. Venkatesh, C. Premakumari and A. Padmaja, 2012. Polarized ketene dithioacetals-versatile synthons for different heterocycles. Chin. J. Chem., 30: 1886-1892.
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  39. Padmavathi, V., B.C. Venkatesh, A. Muralikrishna and A. Padmaja, 2012. The reactivity of Gem cyano ester ketene dithiolates towards the development of potent antioxidant heterocycles. Chem. Pharm. Bull., 60: 449-458.
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  40. Padmavathi, V., B.C. Venkatesh, A. Muralikrishna and A. Padmaja, 2012. Synthesis and antioxidant activity of a new class of bis and tris heterocycles. Archiv der Pharmazie, 345: 745-752.
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  41. Padmaja, A., K. Syamaiah, A. Muralikrishna and V. Padmavathi, 2012. Synthesis of some new 3,4-disubstituted pyrroles and pyrazoles from E-1(arylsulfonylethylsulfonyl)-2-arylethene. Indian J. Chem., 51B: 285-290.
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  42. Padmaja, A., C. Rajasekhar, A. Muralikrishna and V. Padmavathi, 2012. Synthesis and antioxidant activity of disubstituted 1, 3, 4-oxadiazoles, 1, 3, 4-thiadiazoles and 1, 2, 4-triazoles. J. Chem. Pharm. Res., 4: 294-302.
  43. Muralikrishna, A., M. Kannan, V. Padmavathi, A. Padmaja and R. Krishna, 2012. N-(4-Chlorophenyl)-1-(5-{[(2-phenylethenyl) sulfonyl] methyl}-1, 3, 4-oxadiazol-2-yl) methanesulfonamide. Acta Crystallographica Sect. E: Struct. Rep. Online, 68: 2954-2954.
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  44. Muralikrishna, A., B.C. Venkatesh, A. Padmaja, V. Padmavathi, P. Kondaiah and N. Sivakrishna, 2012. Synthesis, antimicrobial and cytotoxic activities of sulfone linked bis heterocycles. Eur. J. Med. Chem., 54: 605-614.
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  45. Reddy, M.V.R., V. Padmavathi, M.M. Reddy, P.V. Reddy and S.C. Cosenza et al., 2011. Discovery of a clinical stage multi-kinase inhibitor sodium (E)-2-{2-methoxy-5-[(2',4',6'-trimethoxystyrylsulfonyl)methyl]phenylamino}acetate (ON 01910.Na): Synthesis, structure-activity relationship and biological activity. J. Med. Chem., 54: 6254-6276.
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  46. Padmavathi, V., T. Radhalakshmi, B.C. Venkatesh and K. Mahesh, 2011. Synthesis and antimicrobial activity of a new class of sulfone linked bisheterocycles. Int. J. Org. Chem., 1: 78-86.
    Direct Link  |  
  47. Padmavathi, V., S.N. Reddy, G.D. Reddy, B.C. Venkatesh and A. Padmaja, 2011. Synthesis and antimicrobial studies of pyrazolyl oxadiazoles and thiadiazoles. J. Heterocyc. Chem., 48: 1197-1201.
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  48. Padmavathi, V., G.D. Reddy, S.N. Reddy and K. Mahesh, 2011. Synthesis and biological activity of 2-(Bis((1,3,4-oxadiazolyl/1,3,4-thiadiazolyl)methylthio)methylene)malononitriles. Eur. J. Med. Chem., 46: 1367-1373.
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  49. Padmavathi, V., G.D. Reddy, G.S. Reddy, K. Mahesh and A. Padmaja, 2011. Reactivity of ketene dithiolates toward alkyl bromides. J. Heterocyc. Chem., 48: 973-976.
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  50. Padmavathi, V., G.D. Reddy, B.C. Venkatesh and A. Padmaja, 2011. One-pot synthesis of 5-{[Bis(azolylmethylthio)]methylene}-pyrimidine-2,4,6-(1H,3H,5H)-triones. Arch. Der Pharm., 11: 165-169.
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  51. Padmavathi, V., C.O. Kumari, B.C. Venkatesh and A. Padmaja, 2011. Synthesis and antimicrobial activity of amido linked pyrrolyl and pyrazolyl-oxazoles, thiazoles and imidazoles. Eur. J. Med. Chem., 46: 5317-5326.
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  52. Padmaja, A., C. Rajasekhar, A. Muralikrishna and V. Padmavathi, 2011. Synthesis and antioxidant activity of oxazolyl/thiazolylsulfonylmethyl pyrazoles and isoxazoles. Eur. J. Med. Chem., 46: 5034-5038.
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  53. Padmaja, A., A. Muralikrishna, C. Rajasekhar and V. Padmavathi, 2011. Synthesis and antimicrobial activity of pyrrolyl/pyrazolyl arylamino-sulfonylmethyl 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles. Chem. Pharm. Bull., 59: 1509-1517.
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  54. Padmavathi, V., S.N. Reddy, G.D. Reddy and A. Padmaja, 2010. Synthesis and bioassay of aminosulfonyl-1,3,4-Oxadiazoles and their interconversion to 1,3,4-thiadiazoles. Eur. J. Med. Chem., 45: 4246-4251.
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  55. Padmavathi, V., G.S. Reddy, G.D. Reddy and T. Payani, 2010. Synthesis and antimicrobial activity of pyrazolyl 1,3,4-oxadiazoles. Synth. Commun., 40: 482-493.
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  56. Padmavathi, V., B.J.M. Reddy, K. Mahesh, P. Thriveni and A. Padmaja, 2010. E, E-Bis(styryl)sulfones-synthons for a new class of bis(heterocycles). J. Heterocyc. Chem., 47: 825-830.
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  57. Padmavathi, V., K. Mahesh, G.D. Reddy and A. Padmaja, 2010. Synthesis and bioassay of pyrrolyl oxazolines and thiazolines. Eur. J. Med. Chem., 45: 3178-3183.
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  58. Padmaja, A., T. Payani, A. Muralikrishna and V. Padmavathi, 2010. Michael adduct: Synthons for a new class of heterocycles. Indian J. Chem., 49: 1379-1383.
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  59. Padmavathi, V., T.R. Lakshmi, K. Mahesh and A. Padmaja, 2009. Synthesis and biological activity of a new class of sulfone-linked pyrrolylpyrazoles and pyrrolylisoxazoles from methyl-3-aryl-2-(E-arylethenesulfonyl)acrylate. Chem. Pharm. Bull., 57: 1200-1205.
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  60. Padmavathi, V., S.N. Reddy and K. Mahesh, 2009. Synthesis, antimicrobial and antioxidant activities of sulfone linked bis heterocycles-pyrazolyl oxadiazoles and pyrazolyl thiadiazole. Chem. Pharm. Bull., 57: 1376-1380.
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  61. Padmavathi, V., K. Mahesh, D.R.C.V. Subbaiah, D. Deepti and G.S. Reddy, 2009. Synthesis and biological activity of a new class of sulfone linked bis(heterocycles). Arkivoc, 10: 195-208.
    Direct Link  |  
  62. Padmavathi, V., K. Mahesh, A.V.N. Mohan and A. Padmaja, 2009. Synthesis and bioassay of oxazolyl/thiazolyl selenadiazoles, thiadiazoles and diazaphospholes. Chem. Pharmaceut. Bull., 57: 561-566.
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  63. Padmavathi, V., G.S. Reddy, A. Padmaja, P. Kondaiah and Ali-Shazia, 2009. Synthesis, antimicrobial and cytotoxic activities of 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles. Eur. J. Med. Chem., 44: 2106-2112.
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  64. Padmavathi, V., A.N. Mohan, P. Thriveni and A. Shazia, 2009. Synthesis and bioassay of a new class of heterocycles pyrrolyl oxadiazoles/thiadiazoles/triazoles. Eur. J. Med. Chem., 44: 2313-2321.
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  65. Padmaja, A., T. Payani, K. Mahesh and V. Padmavathi, 2009. Ethyl-3,4-diaroyl-2-cyanobutyrate: A Synthon for novel heterocycles. J. Heterocycl. Chem., 46: 1239-1246.
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  66. Padmaja, A., T. Payani, G.D. Reddy and V. Padmavathi, 2009. Synthesis, antimicrobial and antioxidant activities of substituted pyrazoles, isoxazoles, pyrimidine and thioxopyrimidine derivatives. Eur. J. Med. Chem., 44: 4557-4566.
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  67. Padmavathi, V., T. Radhalakshmi, K. Mahesh and A.N. Mohan, 2008. Synthesis of novel bis heterocycles: Bis pyrroles, pyrrolyl pyrazolines and pyrrolyl isoxazolines. Indian J. Chem. B, 47: 1707-1712.
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  68. Padmavathi, V., T. Radhalakshmi, G.S. Reddy and A. Padmaja, 2008. 1-Arylsulfonyl-2-styrylsulfonylthenes-source for a new class of bis heterocycles. J. Heterocycl. Chem., 45: 1579-1582.
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  69. Padmavathi, V., P. Thriveni, G.S. Reddy and D. Deepti, 2008. Synthesis and antimicrobial activity of novel sulfone-linked bis heterocycles. Eur. J. Med. Chem., 43: 917-924.
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  70. Padmavathi, V., K. Sudheer, D.R.C.V. Subbaiah and K. Mahesh, 2008. Synthesis of a new class of spiro heterocycles. J. Heterocycl. Chem., 45: 513-519.
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  71. Padmavathi, V., K. Sudheer and A. Padmaja, 2008. Double Michael addition reactions of methyl-3-aryl-2-(Z-styrylsulfonyl)acrylate. Indian J. Chem., 47B: 734-739.
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  72. Padmavathi, V., G.S. Reddy, D. Deepti and A. Padmaja, 2008. Ketene dithioacetals-source for different heterocycles. J. Heterocycl. Chem., 45: 1089-1094.
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  73. Padmavathi, V., G.S. Reddy, A.V.N. Mohan and K. Mahesh, 2008. Synthesis of symmetrical and unsymmetrical 1,3,4-oxadiazoles and their interconversion to 1,3,4-thiadiazoles and 1,2,4-triazoles. Arkivoc, 17: 48-60.
    Direct Link  |  
  74. Padmavathi, V., G.D. Reddy and G.S. Reddy, 2008. Michael adducts of vinyl sulfones-source for thiadiazoles, oxadiazoles and triazoles. J. Heterocycl. Chem., 45: 1633-1639.
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  75. Padmavathi, V., A.V.N. Mohan, K. Mahesh and A. Padmaja, 2008. Aroylethenesulfonylacetic acid methyl ester-A synthon for novel sulfone linked bis heterocycles. Chem. Pharmaceut. Bull., 56: 815-820.
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  76. Padmavathi, V., A.V.N. Mohan and K. Mahesh, 2008. Synthesis of a new class of bis heterocycles from phenacyl-sulfonylacetic acid methyl ester. J. Heterocycl. Chem., 45: 1131-1138.
  77. Padmavathi, V., K. Mahesh, D.R.C.V. Subbaiah and A. Padmaja, 2008. A new class of sulfone-linked bis 1,2,3-selenadiazoles, 1,2,3-thiadiazoles and 2H-diazaphospholes. Heteroatom. Chem., 19: 261-265.
  78. Padmaja, A., G.S. Reddy, A.V.N. Mohan and V. Padmavathi, 2008. Michael adducts-Source for biologically potent heterocycles. Chem. Pharm. Bull., 56: 647-653.
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  79. Padmavathi, V., T.V.R. Reddy and K.A. Reddy, 2007. 4-Piperidone-A synthon for spiro-heterocycles. Indian J. Chem., 46B: 818-822.
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  80. Padmavathi, V., P. Thriveni, B.C.O. Reddy and K. Mahesh, 2007. Phenacylsulfonylacetic esters-source for thiadiazoles, triazoles and oxadiazoles. J. Heterocycl. Chem., 44: 93-98.
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  81. Padmavathi, V., K. Mahesh, P. Thriveni and T.V.R. Reddy, 2007. Phenacylsulfonylacetic acid methyl ester-synthon for 1,2,3-selena/thiadiazoles and 2H-diazaphospholes. J. Heterocycl. Chem., 44: 1165-1169.
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  82. Padmavathi, V., D.R.C.V. Subbaiah, K. Mahesh and T.R. Lakshmi, 2007. Synthesis and bioassay of amino-pyrazolone, amino-isoxazolone and amino-pyrimidinone derivatives. Chem. Pharmaceut. Bull., 55: 1704-1709.
    CrossRef  |  PubMed  |  
  83. Padmavathi, V., B.C.O. Reddy, P. Thriveni and A.V.N. Mohan, 2007. Synthesis of 2‐oxazolines and 2‐thiazolines using lanthanide amino alkoxide. Synthetic Commun., 37: 3127-3142.
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  84. Padrnavathi, V., K.V. Reddy, B.J.M. Reddy, A. Padmaja and D.B. Reddy, 2006. Application of dipolar reagents towards complex heterocycles. Indian J. Chem., 45B: 1437-1442.
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  85. Padmavathi, V., B.J.M. Reddy, D.R.C.V. Subbaiah and A. Padmaja, 2006. Michael adducts-Synthons for a new class of 1,4-dispirocyclohexane derivatives. Indian J. Chem., 45B: 808-812.
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  86. Padmavathi, V., A. Balaiah, N. Ravisankar, M.R. Sarma and A. Padmaja, 2006. Toxicity evaluation of some newly synthesized spiro pyrimidines, thioxopyrimidines, pyrazoles and isoxazoles. J. Ecotoxicol. Environ. Monitor., 16: 139-145.
  87. Fang, S.H., V. Padmavathi, Y.K. Rao, D.R.C.V. Subbaiah and P. Thriveni et al., 2006. Biological evaluation of sulfone derivatives as anti-inflammatory and tumor cells growth inhibitory agents. Int. Immunopharmacol., 6: 1699-1705.
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  88. Reddy, N.S., K. Gumireddy, M.R. Mallireddigari, S.C. Cosenza and P. Venkatapuram et al., 2005. Novel coumarin-3-(N-aryl) carboxamides arrest breast cancer cell growth by inhibiting ErbB-2 and ERK1. Bioorgan. Med. Chem., 13: 3141-3147.
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  89. Reddy, M.R., M.R. Mallireddigari, V.R. Pallela, P. Venkatapuram, R. Boominathan, S.C. Bell and E.P. Reddy, 2005. Design, synthesis and biological evaluation of (E)-and (Z)-styryl-2-acetoxyphenyl sulfides and sulfones as cyclooxygenase-2 inhibitors. Bioorgan. Med. Chem., 13: 1715-1723.
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  90. Padmavathi, V., T.V.R. Reddy, K.A. Reddy, A. Padmaja and D.B. Reddy, 2005. A study on the reactivity of 1,3-dimethyl-2,6-diphenyl-4-piperidone: Synthesis of some novel heterocycles. Indian J. Chem., 44B: 2527-2531.
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  91. Padmavathi, V., S.M. Basha, D.R.C.V. Subbaiah, T.V.R. Reddy and A. Reddy, 2005. Gem-disubstituted 4-oxocyclohexanes: Source for spiro heterocycles. J. Heterocyclic Chem., 42: 797-802.
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  92. Padmavathi, V., P. Thriveni, B.J.M. Reddy and A. Padmaja, 2005. Synthesis of thiadiazoles, triazoles and oxadiazoles from sulfonyl acetic acids via a common route. J. Heterocyclic Chem., 42: 113-116.
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  93. Padmavathi, V., D.R.C.V. Subbaiah, A. Balaiah, B.C.O. Reddy and A. Padmaja, 2005. Michael addition of active methylene compounds to α,β-unsaturated sulfones. Indian J. Chem., 44B: 2569-2574.
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  94. Padmavathi, V., D.R.C.V. Subbaiah and B.J.M. Reddy, 2005. Double michael addition reactions to tetrakis sulfonyl activated olefins. J. Heterocyclic Chem., 42: 255-258.
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  95. Padmavathi, V., B.J.M. Reddy, B.C.O. Reddy and A. Padmaja, 2005. Synthesis of a new class of keto-linked bis heterocycles. Tetrahedron, 61: 2407-2411.
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  96. Padmavathi, V., B.J.M. Reddy, A. Baliah, A. Padmaja and D.B. Reddy, 2005. Synthesis of some novel spiro heterocycles-Part II. Arkivoc, 14: 1-13.
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  97. Padmavathi, V., B.J.M. Reddy and A. Padmaja, 2005. A novel and simple route for the synthesis of 3,4-disubstituted pyrroles. J. Heterocyclic Chem., 42: 333-335.
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  98. Padmavathi, V., P. Thriveni and A. Padmaja, 2004. An unusual reaction of phenacylsulfonylacetic acid methyl ester and styrylsulfonylacetic acid methyl ester with hydrazine hydrate. J. Chem. Res., 2004: 556-557.
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  99. Padmavathi, V., K.V. Reddy, M.R. Sarma, R.P. Sumathi and D.B. Reddy, 2004. 1,3-Dipolar cycloaddition of dipolar reagents to bischalcones in the presence of chloramine-T. Indian J. Chem. Sect. B: Organ. Chem. Med. Chem., 43: 2238-2242.
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  100. Padmavathi, V., G. Sivajyothi, N.Y. Sreedhar, K.V. Reddy and A. Padmaja, 2004. Synthesis of mono and bis pyrazolines and isoxazolines by 1,3-dipolar cycloaddition of dipolar reagents to 3,3'-[1,4-/1,3-phenylene] bis[1-aryl-2-propenone] in the presence of chloramine-T. Indian J. Chem. Sect. B-Organ. Chem. Med. Chem., 43: 2395-2400.
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  101. Padmavathi, V., D.R.C. Subbaiah, M.R. Sarma and A. Balaiah, 2004. Michael adducts‐synthons for pyrazolidinediones, isoxazolidinediones, pyrimidinetriones and thioxopyrimidinediones. Heteroatom Chem., 15: 477-481.
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  102. Padmavathi, V., B.J.M. Reddy, M.R. Sarma and P. Thriveni, 2004. A simple strategy for the synthesis of 3,4-disubstituted pyrroles. J. Chem. Res., 2004: 79-80.
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  103. Padmavathi, V., B.J.M. Reddy, M.R. Sarma and A. Padmaja, 2004. Synthesis of novel substituted tetrahydropyridines, pyrans and thiopyrans. Indian J. Chem. Sect. B: Organ. Chem. Med. Chem., 43: 2459-2463.
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  104. Padmavathi, V., B.J.M. Reddy, B.C.O. Reddy and A. Padmaja, 2004. Spiro-heterocycles from substituted pyridines, pyrans and thiopyrans. J. Heterocyclic Chem., 41: 951-954.
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  105. Padmavathi, V., B.J.M. Reddy, A. Padmaja, K.V. Reddy and M.R. Sarma, 2004. Synthesis of some novel spiro heterocycles. Indian J. Chem., 43B: 2628-2634.
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  106. Padmavathi, V., B.J.M. Reddy and D.V. Subbaiah, 2004. Bischalcones-synthons for a new class of bis (heterocycles). New J. Chem., 28: 1479-1483.
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  107. Padmavathi, V., B.C.O. Reddy, D.R.C.V. Subbaiah and A. Padmaja, 2004. Sulfonyl acetic acids-Source for substituted 2-oxazolines. Indian J. Chem. Sect. B: Organ. Chem. Med. Chem., 43: 2456-2458.
    Direct Link  |  
  108. Padmavathi, V., T.V.R. Reddy, K.A. Reddy and D.B. Reddy, 2003. Synthesis of some novel annelated 1,2,3-selena/thiadiazoles and 2h-diazaphospholes. J. Heterocyclic Chem., 40: 149-154.
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  109. Padmavathi, V., M.R. Sarma, T.V.R. Reddy and D.B. Reddy, 2003. Studies on reactivity of bisolefinic diketo sulfides/sulfones. II. Synthetic Commun., 33: 3879-3889.
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  110. Padmavathi, V., M.R. Sarma, K.V. Reddy, A. Padmaja and D.B. Reddy, 2003. Studies on reactivity of ketosulfones. Heteroatom Chem., 14: 155-159.
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  111. Padmavathi, V., M.R. Sarma, A. Padmaja and D.B. Reddy, 2003. 2-Pyrazolines from 1,3-dipolar cycloaddition of diazomethane to arylsulfonylethenes. J. Heterocyclic Chem., 40: 933-937.
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  112. Padmavathi, V., K.V. Reddy, A. Padmaja and P. Venugopalan, 2003. Unusual reaction of chloramine-T with araldoximes. J. Organ. Chem., 68: 1567-1570.
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  113. Padmavathi, V., K.V. Reddy, A. Padmaja and D.B. Reddy, 2003. 1,3-Dipolar cycloaddition of dipolar reagents to bifunctional bis olefins in the presence of chloramine-T. Phosphorus Sulfur Silicon Relat. Elem., 178: 171-177.
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  114. Padmavathi, V., G.S. Jyothi, N.Y. Sreedhar, K.V. Reddy, T.V.R. Reddy and D.B. Reddy, 2003. Cycloaddition of bis-1,3-dipolar reagents to 1,3-diarylprop-2-en-1-ones. Heteroatom Chem., 14: 379-383.
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  115. Padmavathi, V., A. Balaiah, T.V. Reddy, B. Reddy and D.B. Reddy, 2003. 2,6‐Diaryl‐4, 4‐disubstituted 1,4‐dihydropyridines: Source for spiro heterocycles. Heteroatom Chem., 14: 513-517.
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  116. Padmavathi, V., A. Balaiah, M.M. Reddy and D.B. Reddy, 2003. Regioselective reactions of phenacyl bromide with active methylene compounds. Indian J. Chem. Sect. B, 42: 1519-1522.
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  117. Padmavathi, V., A. Balaiah, B.J.M. Reddy and A. Padmaja, 2003. 1,5-diaryl-3,3-disubstituted-1,5-pentanedione-A synthon for 2,4,6-trisubstituted heterocycles. Heterocyclic Commun., 9: 599-604.
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  118. Srikrishna, A., R.P. Kumar and V. Padmavathi, 2002. An enantiospecific approach to 8,9-seco-C-aromatic taxanes. Synlett, 11: 1907-1909.
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  119. Sony, S.M.M., M. Kuppayee, M.N. Ponnuswamy, D.B. Reddy, V. Padmavathi and H.K. Fun, 2002. 9,9-Dimethoxy-7,11-diphenyl-2,4-diazaspiro[5.5] undecane-1,3,5-trione monohydrate. Acta Crystallographica Sect. C: Crystal Struct. Commun., 58: o678-o680.
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  120. Padmavathi, V., T.R. Reddy, A. Balaiah, K.A. Reddy and D.B. Reddy, 2002. Cyclohexanones-source for selena/thiadiazoles and diazaphospholes. Phosphorus Sulfur Silicon Relat. Elem., 177: 1223-1235.
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  121. Padmavathi, V., R.P. Sumathi and A. Padmaja, 2002. Effect of bifunctional heterocyclic sulfones on spodoptera litura. J. Ecobiol., 14: 9-12.
  122. Padmavathi, V., M.R. Sarma, A. Padmaja and D.B. Reddy, 2002. Reactivity of bisolefinic systems with diazomethane and hydrazine hydrate-part III. Heterocyclic Commun., 8: 91-98.
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  123. Padmavathi, V., K.V. Reddy, A. Padmaja and D.B. Reddy, 2002. Regiospecific and regioselective 1,3-dipolar cycloaddition of dipolar reagents to unsymmetrical bisolefinic ketones in the presence of chloramine-T (CAT). Synthetic Commun., 32: 1227-1235.
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  124. Padmavathi, V., K.V. Reddy, A. Balaiah, T.V.R. Reddy and D.B. Reddy, 2002. 1,3-Dipolar cycloaddition of dipolar reagents to bis(styryl) sulfones. Heteroatom Chem., 13: 677-682.
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  125. Padmavathi, V., A. Balaiah, K.V. Reddy, A. Padmaja and D.B. Reddy, 2002. 3,3-Disubstituted 1,5-diaryl-1,5-pentanediones as versatile intermediates for spiro heterocycles. Indian J. Chem. Sect. B, 41: 1670-1675.
    Direct Link  |  
  126. Padmavathi, V., A. Balaiah, A. Padmaja and D.B. Reddy, 2002. 1,5-Diphenyl-3,3-dicyano-1,5-pentanedione: A synthon for novel heterocycles. Phosphorus Sulfur Silicon Relat. Elem., 177: 2791-2798.
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  127. Padmavathi, V., A. Balaiah and D.B. Reddy, 2002. 2,6-Diaryl-4,4-disubstituted-4H-thiopyran: Source for spiro heterocycles. J. Heterocyclic Chem., 39: 649-653.
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  128. Reddy, D.B., N.R.C. Babu and V. Padmavathi, 2001. 2‐Arylethenyl‐2′‐arylethynyl sulfones: A potential source for some spiroheterocycles. J. Heterocyclic Chem., 38: 769-772.
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  129. Reddy, D.B., N.C. Babu, K.V. Reddy and V. Padmavathi, 2001. A new route for the synthesis of bisunsaturated oxosulfones and bissulfones under Friedel Craft's conditions. Indian J. Chem. Sect. B, 40: 416-418.
  130. Reddy, D.B., N.C. Babu and V. Padmavathi, 2001. Synthesis of sulfur‐containing heterocycles: Spiropyrimidinetriones, thioxopyrimidinediones, pyrazolidinediones and isoxazolidinediones-Part II. Heteroatom Chem., 12: 131-135.
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  131. Reddy, D.B., A.S. Reddy and V. Padmavathi, 2001. 1,4-Pentadien-3-ones. A source for selenano 1,2,3-selena and thiadiazoles. Synthetic Commun., 31: 3429-3437.
  132. Reddy, D.B., A. Balaiah, V. Padmavathi and A. Padmaja, 2001. A new class of fused bis [1,2,3] selena and/or thiadiazoles. Synthetic Commun., 31: 3265-3272.
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  133. Padmavathi, V., T.V.R. Reddy, K.V. Reddy, K.A. Reddy and D.B. Reddy, 2001. Double Michael addition reactions of some new 1,5-diaryl-2-alkyl-1,4-pentadien-3-ones: Part II. Indian J. Chem., 40: 667-673.
    Direct Link  |  
  134. Padmavathi, V., B. Reddy, M.R. Sarma, A. Padmaja and D.B. Reddy, 2001. Cyclohexanone derivatives: Synthons for substituted quinolines. Heterocyclic Commun., 7: 467-472.
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  135. Padmavathi, V., R.P. Sumathi, A. Padmaja and D.B. Reddy, 2001. The behaviour of pyrazole and isoxazole derivatives under electron impact conditions. Indian J. Chem. Sect. B, 40: 846-849.
    Direct Link  |  
  136. Padmavathi, V., K. Sharmila, A.S. Reddy and D.B. Reddy, 2001. Reactivity of 3,5-diaryl cyclohexanone-Synthesis of spiro cyclohexanes. Indian J. Chem. Sect. B, 40: 11-14.
    Direct Link  |  
  137. Padmavathi, V., K. Sharmila, A. Balaiah, A.S. Reddy and D.B. Reddy, 2001. Cyclohexenone carboxylates. A versatile source for fused isoxazoles and pyrazoles. Synthetic Commun., 31: 2119-2126.
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  138. Padmavathi, V. and R.P. Sumathi, 2001. Toxicity evaluation of some pyrazolines and isoxazolines. J. Ecotoxicol. Environ. Monitor., 11: 143-146.

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