conference

 

 

79. Regioselective Etherification of Naphthylamides with Arylboronic Acids Via Picolinamide Directed C(γ)−H Activation

     S. Roy, S. Pradhan, and T. Punniyamurthy

     ORGANIX, Tezpur University, Tezpur, Dec 20-21, 2018.

 

78. Expedient Cobalt(II)-Catalyzed Site-Selective C7-Arylation of Indolines with Boronic Acids

     P. B. De, S. Pradhan, S. Banerjee and T. Punniyamurthy

     ORGANIX, Tezpur University, Tezpur, Dec 20-21, 2018.

 

77. Ru(II)‐Catalyzed Site-selective C‐N Bond Formation of Indolines and Carbazole with Acyl Azides

     S. Banerjee, P. B. De, S. Pradhan, T. A. Shah and T. Punniyamurthy

     ORGANIX, Tezpur University, Tezpur, Dec 20-21, 2018.

 

76. Ruthenium(II)-Catalyzed Regioselective C-H Oxygenation of Aniline Derivatives using Removable Pyrimidine Auxiliary

     T. Sarkar, S. Pradhan and T. Punniyamurthy

     FICS, IIT Guwahati, Guwahati, Dec 6-8, 2018.

 

75. Stereospecific Synthesis of Functionalized Piperazines and Tetrahydropyrazines via Ring Opening and Cycloisomerization of Aziridines with Propargylamines

     B. K. Das, S. Pradhan, S. Banerjee and T. Punniyamurthy

     FICS, IIT Guwahati, Guwahati, Dec 6-8, 2018.

 

74. Cobalt-Catalyzed Sequential Ring expansion and C-O bond formation of Styrene Oxides with N-methylanilines

     V. Satheesh, S. V. Kumar, and T. Punniyamurthy

     FICS, IIT Guwahati, Guwahati, Dec 6-8, 2018.

 

73. Copper-Mediated Directed C(γ)−H Activation and Regioselective Etherification of Naphthylamides with Arylboronic Acids

     S. Roy, S. Pradhan, and T. Punniyamurthy

     FICS, IIT Guwahati, Guwahati, Dec 6-8, 2018.

 

72. Expedient Co(II)-Catalyzed Regioselective C7-Arylation of Indolines with Boronic Acids

     P. B. De, S. Pradhan, S. Banerjee and T. Punniyamurthy

     FICS, IIT Guwahati, Guwahati, Dec 6-8, 2018.

 

71. Copper-Mediated Regioselective Etherification of Naphthylamides with Arylboronic Acids using Water as an Oxygen Source via Directed C(γ)−H Activation

     S. Roy, S. Pradhan, and T. Punniyamurthy

     XIV-JNOST, CSIR-IICT, Hyderabad, Nov 22-25, 2018.

 

70. An Efficient Aluminum Catalyzed Enantioselective Ring Expansion of Aziridines to 2-Iminoselenazolidines

     V. Satheesh, M. Sengoden and T. Punniyamurthy

     Research Conclave, IIT Guwahati, Guwahati, Mar 8-11, 2018.

 

69. Ligand-Accelerated Robust Cobalt(II)-Catalyzed Site-Selective C7-Arylation of Indolines with Boronic Acids

     P. B. De, S. Pradhan, S. Banerjee and T. Punniyamurthy

     Research Conclave, IIT Guwahati, Guwahati, Mar 8-11, 2018.

 

68. Bismuth(III)-Catalyzed Dehydrative Annulation of 2-Naphthols with N-Sulfonylaziridines: Synthesis of Functionalized Benzoindolines and Benzoindoles

     T. Sarkar and T. Punniyamurthy

     ICCHD, University of Calcutta and Heritage Institute of Technology, Kolkata, Jan 8-10, 2018.

 

67. Metal-Free Aerobic Dioxygenation of Alkenes with tert-Butyl Nitrite and N-Hydroxylamines: Synthesis of organic Nitrate Esters

     R. Bag, D. Sar and T. Punniyamurthy

     ICCHD, University of Calcutta and Heritage Institute of Technology, Kolkata, Jan 8-10, 2018.

 

66. Ligand-Accelerated Expedient Cobalt(II)-Catalyzed Regio-Selective C7-Arylation of Indolines with Boronic Acids

     P. B. De, S. Pradhan, S. Banerjee and T. Punniyamurthy

     ICCHD, University of Calcutta and Heritage Institute of Technology, Kolkata, Jan 8-10, 2018.

 

65. Copper(II)-Mediated Picolinamide Directed Regioselective N-Naphthylation of Azoles via Dehydrogenative Cross-Coupling

     S. Pradhan, P. B. De and T. Punniyamurthy

     XIII J-NOST, Banaras Hindu University, Varanasi, Nov 9-12, 2017.

 

64. Copper-Catalyzed Regioselective Ring Opening of Aziridines/Aerobic Oxidative C-H Amination: A Facile Rote to Imidazobenzimidazoles

     P. B. De, S. Pradhan and T. Punniyamurthy

     XIII J-NOST, Banaras Hindu University, Varanasi, Nov 9-12, 2017.

 

63. Synthesis of Functionalized Imidazolidines via Csp3-H Alkylamination

     V. Satheesh, M. Sengoden and T. Punniyamurthy

     Chemconvene, IIT Guwahati , July 27th  2017

 

62. Copper(II)-Mediated Direct Regioselective N-Naphthylation of Azoles via Dehydrogenative Cross-Coupling

     S. Pradhan, P. B. De and T. Punniyamurthy

     Chemconvene, IIT Guwahati , July 27th  2017.

 

61. Regioselective Copper-Catalyzed Cross-Coupling of Aziridines with Benzimidazoles via Nucleophilic Ring Opening and C(sp2)-H Functionalization

     P. B. De, S. Pradhan and T. Punniyamurthy

     Chemconvene, IIT Guwahati , July 27th  2017.

 

60. Dioxygenation of Alkenes in air with N-Hydroxyphthalimide (NHPI) and N-Hydroxybenzotriazole (HOBt)

     R. Bag, D. Sar and T. Punniyamurthy

     Research Conclave, IIT Guwahati , March 16-19th  2017. 

 

59. Stereo-invertive Copper-Catalyzed Cross-Coupling of Aziridines with Benzimidazoles via Nucleophilic Ring Opening and C(sp2)-H Functionalization

     P. B. De, S. Pradhan and T. Punniyamurthy

     Research Conclave, IIT Guwahati , March 16-19th  2017. 

 

58. Aerobic Dioxygenation of Alkenes with N-Hydroxyphthalimide (NHPI) and N-Hydroxybenzotriazole (HOBt)

     R. Bag, D. Sar and T. Punniyamurthy

     20th CRSI National Symposium in Chemistry, Gauhati University, Feb 2-5th, 2017.

 

57. Copper-catalyzed streospecific ring opening of aziridines/aerobic oxidative C-H amination: a facile route to imidazobenzimidazoles

     P. B. De, S. Pradhan and T. Punniyamurthy

     20th CRSI National Symposium in Chemistry, Gauhati University, Feb 2-5th, 2017.

 

56. Direct Aerobic Dioxygenation of Alkenes with N-Hydroxyphthalimide (NHPI) and N-hydroxybenzotriazole (HOBt)

     R. Bag, D. Sar and T. Punniyamurthy

     21st International Conference on Organic Synthesis (ICOS 21), IIT Bomabay, Dec 11-16th, 2016.

 

55. Copper-catalyzed regioselective ring opening of aziridines/aerobic oxidative C-H amination: a facile route to imidazobenzimidazoles

      P. B. De, S. Pradhan and T. Punniyamurthy

     21st International Conference on Organic Synthesis (ICOS 21), IIT Bomabay, Dec 11-16th, 2016.

 

54. Synthesis of Substituted Oxazolidines and Imidazolidines via Intramolecular C(sp3)-H Functionalization

     V. Satheesh, M. Sengoden and T. Punniyamurthy

     53rd ACC, Indian Chemical Society, Gitam University, Vizag, Nov 27-29th 2016.

 

53. �On Water� C(sp3)-H Functionalization/C-O Bond Formation: Synthesis of Functionalized Oxazolidines

     V. Satheesh, M. Sengoden and T. Punniyamurthy

     XII J-NOST, CDRI-LUCKNOW, November 24-27th  2016.  

 

52. A Metal Free Synthesis of Oxazolidines via sp3 C-H Functionalization/C-O Bond Formation

     V. Satheesh, M. Sengoden and T. Punniyamurthy

     International Symposium on Nature Inspired Initiatives in Chemical Trends, IICT Hyderabad, September 19-20, 2016. 

 

51. Copper(II)-Catalyzed Oxidative Cross-Coupling of Anilines, Primary Alkyl Amines and Sodium Azide : Synthesis of 2-Aryl Benzimidazoles 

     D. Mahesh, P. Sadhu and T. Punniyamurthy

     International Symposium on Nature Inspired Initiatives in Chemical Trends, IICT Hyderabad, September 19-20, 2016.

 

50. Copper(II)-Mediated 8-Aminoquinoline Amide Directed Regioselective N-arylation of Azoles via Cross-Dehydrogenative Coupling

     P. Sadhu and T. Punniyamurthy

     19th CRSI National Symposium in Chemistry, North Bengal University, July 13-16, 2016.

 

49. Synthesis of Highly Functionalized Thiophenes via 5-exo-dig Cyclization of 1,3-enynes with Mercaptoacetaldehyde

     G. Bharathiraja, G. Sathishkannan and T. Punniyamurthy

     19th CRSI National Symposium in Chemistry, North Bengal University, July 13-16, 2016.

 

48. Vanadium-Catalyzed C-H Oxidative Synthesis of Substituted Pyrazoles and Fluorescence Switch-On Sensing of BSA Protein

     D. Sar, R. Bag, A. Yashmeen, S. S. Bag and T. Punniyamurthy

     19th CRSI National Symposium in Chemistry, North Bengal University, July 13-16, 2016.

 

47. Copper(II)-Catalyzed Direct Aerobic Dioxygenation of Alkenes with N-Hydroxyphthalimide: Synthesis of β-Keto-N alkoxyphthalimides

     R. Bag, D. Sar and T. Punniyamurthy

     JNOST, NISER Bhubaneswar,  Odisha, December 14-17th, 2015.

 

46. "On Water": Efficient Pyrrolidine Catalyzed (3+2)-Cycloaddition of Aziridines with Isothiocyanates, Isoselenocyanates and Carbon Disulfide

     M. Sengoden, M. Vijay, E. Balakumar and T. Punniyamurthy

     NDCS 2015, BITS Pilani, October 16-18, 2015.

 

45. Microwave-Assisted Copper Catalyzed Multicomponent Tandem Synthesis of Highly Functionalized Coumarin-3-N-sulfonylimidates

     G. Murugavel and T. Punniyamurthy

     NDCS 2015, BITS Pilani, October 16-18, 2015.

 

44. Copper-Catalyzed Cyclization of 1,3-Enynes and Amines to Access Highly Substituted Pyrroles/Pyrazoles 

     G. Bharathiraja, M. Sengoden, M. Kannan and T. Punniyamurthy

     NDCS 2015, BITS Pilani, October 16-18, 2015.

 

43. Copper(I)-Catalyzed Regioselective Amination of N-Aryl Imines Using TMSN3 and TBHP: A Route to Substituted Benzimidazoles

     D. Mahesh, P. Sadhu and T. Punniyamurthy

     NDCS 2015, BITS Pilani, October 16-18, 2015.

 

42. Organocatalytic Syntheses of Benzoxazoles and Benzothiazoles Using Aryl Iodide and Oxone via C-H Functionalization and C-O/S Bonds Formation

     S. K. Alla, P. Sadhu and T. Punniyamurthy

     FICS 2014, Indian Institute of Technology Guwahati, December 4-6, 2014.

 

41. Ligand Substituents Effect on Copper Catalyzed Enantioselective Nitroaldol Reaction

     M. Kannan and T. Punniyamurthy

     FICS 2014, Indian Institute of Technology Guwahati, December 4-6, 2014.

 

40. Pd(II)-Catalyzed Aminotetrazole Directed Chemo- and Regioselective ortho-Halogenation of Arenes

     P. Sadhu, S. K. Alla and T. Punniyamurthy

     International Symposium on Nature Inspired Initiatives in Chemical Trends, IICT Hyderabad, March 02-05, 2014.

 

39. Multicomponent Cascade Synthesis of Iminocoumarin Aryl Methyl Ethers using Copper-Catalyst

     G. Murugavel and T. Punniyamurthy

     International Symposium on Nature Inspired Initiatives in Chemical Trends, IICT Hyderabad, March 02-05, 2014.

 

38. Metal-free C-H Oxidative Synthesis of Substituted Pyrazoles Using TEMPO/NBS

     D. Sar, R. Paul, M. Sengoden and T. Punniyamurthy

     International Symposium on Nature Inspired Initiatives in Chemical Trends, IICT Hyderabad, March 02-05, 2014.

 

37. "On Water": Efficient Iron-Catalyzed Cycloaddition of Aziridines with Heterocumulenes

     M. Sengoden and T. Punniyamurthy

     International Symposium on Nature Inspired Initiatives in Chemical Trends, IICT Hyderabad, March 02-05, 2014.

 

36. Iodobenzene Catalyzed C-H Functionalization of N-Substituted Amidines Using m-Chloroperbenzoic Acid

     S. K. Alla, R. K. Kumar, P. Sadhu and T. Punniyamurthy

     16th CRSI National Symposium in Chemistry, IIT Bombay, February 07-09, 2014.

 

35. A Noval Tandem Sequence to Pyrrole Syntheses by 5-endo-dig Cyclization of 1,3-Enynes with Amines

     G. Bharathiraja, S. Sakthivel, M. Sengoden and T. Punniyamurthy

     16th CRSI National Symposium in Chemistry, IIT Bombay, February 07-09, 2014.

 

34. Iodobenzene Catalyzed C-H Amination of N-Substituted Amidines Using m-Chloroperbenzoic Acid

     S. K. Alla, R. K. Kumar, P. Sadhu and T. Punniyamurthy

     9th J-NOST Conference, IISER Bhopal, December 04-06, 2013.

 

33. Novel Copper-Catalyzed Multicomponent Cascade Synthesis of Iminocoumarin Aryl Methyl Ethers

     G. Murugavel and T. Punniyamurthy

     9th J-NOST Conference, IISER Bhopal, December 04-06, 2013.

 

32. Pd(II)-Catalyzed Aminotetrazole-Directed Ortho-Selective Halogenation of Arenes

     P. Sadhu, S. K. Alla and T. Punniyamurthy

     9th J-NOST Conference, IISER Bhopal, December 04-06, 2013.

 

31. Copper-Catalyzed Aerobic Oxidative C-H Functionalization of Bisarylhydrazones for Synthesis of Triaryl-1,2-3- and 1,2,4-Triazoles

     with Isolated Intermediates

     M. M. Guru and T. Punniyamurthy

     8th J-NOST Conference, IIT Guwahati, December 15-17, 2012.

 

30. Role of Temperature in [3+2]-Cycloaddition of Isoselenocyanates with Oxiranes using BF3·Et2O

     M. Sengoden and T. Punniyamurthy

     8th J-NOST Conference, IIT Guwahati, December 15-17, 2012.

 

29. Copper-Catalyzed One-Pot Synthesis of N-Substituted Benzo[d]isothiazol-3(2H)-ones via C-S/N-S Bond Formation

     R. Paul and T. Punniyamurthy

     FICS 2012, Indian Institute of Technology Guwahati, December 2-3, 2012.

 

28. [3+2]-Cycloaddition of Heterocumulenes with Aziridines On Water

     M. Sengoden and T. Punniyamurthy

     FICS 2012, Indian Institute of Technology Guwahati, December 2-3, 2012.

 

27. Copper-Mediated Synthesis of Substituted 2-Aryl-N-benzylbenzimidazoles and 2-Arylbenzoxazoles via C-H Functionalization/C-N/C-O

     Bond  Formation

     M. M. Guru, Md. A. Ali and T. Punniyamurthy

     7th J-NOST Conference, IISER Mohali, December 15-17, 2011.

 

26. Fluorescent OFF-ON Polymer Chemosensor Bonded Alternatively with 1,4-Dioctyloxybenzene and (R,R)-Salen for Cascade Zn2+ and Chiral

     Recognition

     S. Sakthivel and T. Punniyamurthy

     7th J-NOST Conference, IISER Mohali, December 15-17, 2011.

 

25. Copper-Catalyzed Domino Intra and Intermolecular C-S Cross-Coupling Reactions: Synthesis of 2-(Arylthio)arylcyanamides

     T. Ramana and T. Punniyamurthy

     6th J-NOST Conference, University of Hyderabad, January 28-31, 2011.

 

24. Synthesis and Application of Chiral Poly(Ti-salen) for Asymmetric TMSCN Addition to Aldehydes

     S. Sakthivel and T. Punniyamurthy

     6th J-NOST Conference, University of Hyderabad, January 28-31, 2011.

 

23. Synthesis and Application of Chiral Poly(Ti-salen) for Asymmetric TMSCN Addition to Aldehydes

     S. Sakthivel and T. Punniyamurthy

     FICS 2010, Indian Institute of Technology Guwahati, december 3-4, 2010.

 

22. Copper-Catalyzed Domino Intra and Intermolecular C-S Cross-Coupling Reactions: Synthesis of 2-(Arylthio)arylcyanamides

     T. Ramana and T. Punniyamurthy

     FICS 2010, Indian Institute of Technology Guwahati, december 3-4, 2010.

 

21. Copper-Catalyzed Selective Hydroxylation of Aryl Halides with Tetrabutylammonium Hydroxide: Synthesis of Phenols and Alkyl Aryl Ethers

      R. Paul, Md. A. Ali and T. Punniyamurthy

      FICS 2010, Indian Institute of Technology Guwahati, december 3-4, 2010.

 

20. Palladium-Catalyzed One-Pot Conversion of Aldehydes to Amides

      Md. A. Ali and T. Punniyamurthy

      FICS 2010, Indian Institute of Technology Guwahati, december 3-4, 2010.

 

19. Ligand-Free Copper-Catalyzed Synthesis of Substituted Benzimidazoles, 2-Aminobenzimidazoles, 2-Aminobenzothiazoles and Benzoxazoles

      P. Saha, T. Ramana, N. Purkait, Md. A. Ali, R. Paul and T. Punniyamurthy

      FICS 2010, Indian Institute of Technology Guwahati, december 3-4, 2010.

 

18. Copper-Catalyzed Domino Intra and Intermolecular C-S Cross Coupling Reactions: Synthesis of 2-(Arylthio)arylcyanamides

      T. Ramana and T. Punniyamurthy

     Organic Synthesis and Human Well Being: Emerging Opportunities and Challenges, Indian Institute of Chemical Technology Hyderabad,

     August 1-4 2010.

 

17. CuO Nanoparticles Catalyzed C-S Cross Coupling of Thiols with Aryl Halides

      L. Rout, S. Jammi, P. Saha, P. Barua, T. K. Sen, Md. A. Ali and T. Punniyamurthy

      CRSI Mid-Year Symposium, Indian Institute of Technology Guwahati, July 2007.

 

16. Stereoregular Chiral (1R, 2R)-Diamine Based Co-Polymers: Synthesis and Application to Enantioselective Et2Zn Addition to Aldehydes

     S. Jammi and T. Punniyamurthy

      INDO-US CCNP-2006, Indian Institute of Chemical Technology, Hyderabad, Nov. 13-14, 2006.

 

15. Chiral Copper (II) Catalyzed Asymmetric Benzoylation of Secondary Alcohols

     V. K. Akkilagunta, L. Rout, S. Sanyasi and T. Punniyamurthy

     INDO-US CCNP-2006, Indian Institute of Chemical Technology, Hyderabad, Nov. 13-14, 2006.     

 

14. Stereoregular Chiral Polymers for Asymmetric Synthesis

     S. Jammi and T. Punniyamurthy

     ICOB-5  & ISCNP-25 IUPAC International Conference on Biodiversity and Natural Products, Kyoto, Japan, July 23-28, 2006...

13. Ecologically Benign Oxidation of Tertiary Amines and Sulphides

     L. Rout and T. Punniyamurthy

     ACS-CSIR-AOCCB-2006, IICT Hyderabad, January 11-13.

 

12. Eco-friendly Metal Catalyzed Oxidation of Alcohols and Alkanes

     S. Velusamy, S. Das and T. Punniyamurthy

     Indo-US Conference, IIT Madras, Dec. 9-12, 2003.

 

11. Conjugated Polymers with Intrinsic Chirality

     C. Dufour, J. P. Lere-Porte, K. Lmimouni, J. J. E. Moreau, T. Punniyamurthy, F. S. Spirau and S. Wakim

     Synthesis and Characterisation of Conducting Polymers, University of Anger, 2 Bd Lauoisier, 49045 Anger, France, Sept. 18-21, 2001.

 

10. Enatioselective Synthesis of (-)-Swainsonine

     T. Punniyamurthy, R. Irie and T. Katsuki

     Japan Chemical Society Meeting, Tokyo, Japan, March 28-31, 2000.

 

9. Catalytic Asymmetric Desymmetrisation of meso-Pyrrolidine Derivatives

    T. Punniyamurthy, A. Miyafuji and T. Katsuki

    Japan Chemical Society Meeting, Kanakawa University, Yokohama, Japan, March 28-31, 1999, 957.

 

8. Highly Efficient Enantioplace Selective Hydroxylation of meso-3,4-Dialkyl-N-Acyl Pyrrolidines by using Chiral (salen)Manganese Complexes

    T. Punniyamurthy and T. Katsuki

    10th Symposium on Organic Synthesis, Miyazaki University, Miyazaki, Japan, Nov. 27-28, 1998.

 

7. Oxidative Asymmetric Desymmetrisation of meso-Heterocycles: Its Application to Organic Synthesis

    A. Miyafuji, T. Punniyamurthy, T. Katsuki and K. Ito

   40th Symposium on the Chemistry of Natural Products,  Kyushu University, Japan, Oct. 7-9, 1998, 283-288.

 

6. Highly Efficient Desymmetrization of meso-3,4-Dialkyl-N-acylpyrrolidines by Enantioplace Selective Hydroxylation using

   (Salen)manganese Complexes

    T. Punniyamurthy and T. Katsuki

    45th Symposium on Organometallic Chemistry, Chuo University, Tokyo, Japan, September 12-13, 1998, 362-363.

 

5. Synthesis of Secolignans.  An Enantioselective Route to Perperomins A-D and Analogs

    M. P. Sibi, M. D. Johnson and T. Punniyamurthy

    The American Chemical Society, 215 :165-Orgn, Part 2, Apr. 2, 1998 (Albony Molecular Inc., cited as the one of the best works of 215

    American Chemical Society National Meeting). 

    

4. A New Methodology for Combinatorial Synthesis of b-Phenylisoserine Derivatives using a Novel Polyaniline Supported Cobalt(II) Complex

   J. Iqbal, B. C. Das, T. Punniyamurthy and E. N. Prabhakaran

   National Symposium on Emerging Trends in Organic Chemistry, RRL, Trivandrum, November 1996, L-2.

 

3. Cobalt (II) Catalyzed Biomimetic Oxidation of Organic Compounds in the Presence of Molecular Oxygen

    J. Iqbal, T. Punniyamurthy and M. M. Reddy

    ICOS-10, Indian Institute of Science, Bangalore, December 1994, 28-30.

 

2. Cobalt(II) Schiff Base Complex Catalysed Oxidation of Alkenes with Dioxygen: A Remarkable Ligand Effect

    T. Punniyamurthy, M. M. Reddy and J. Iqbal

    IUPAC Symposium on Metal Mediated Organic Synthesis, NCL, Pune, December 8-9, 1994, P.17.

 

1. Cobalt(II) Schiff Base Complex Catalysed Oxidation of Alkenes, Benzylic Substrates and Alcohols with Molecular oxygen

    T. Punniyamurthy and J. Iqbal

    4th NOST Proceedings, 1994, 48.