All Stories

  1. Identification, isolation, and synthesis of seven novel impurities of anti-diabetic drug Repaglinide

    Article • Drug Testing and Analysis, June 2017, Wiley

    Parthasarathi Das

  2. Copper(ii)-catalyzed Chan–Lam cross-coupling: chemoselective N-arylation of aminophenols

    Article • Organic & Biomolecular Chemistry, January 2017, Royal Society of Chemistry

    Parthasarathi Das

  3. Ruthenium-catalyzed site-selective C–H arylation of 2-pyridones and 1-isoquinolinones

    Article • Organic & Biomolecular Chemistry, January 2017, Royal Society of Chemistry

    Parthasarathi Das

  4. ChemInform Abstract: Copper-Catalyzed N-Arylation of Tautomerizable Heterocycles with Boronic Acids and its Application to Synthesis of Oxygenated Carbazoles.

    Article • ChemInform, July 2016, Wiley

    Parthasarathi Das

  5. Palladium/Silver Synergistic Catalysis in Direct Aerobic Carbonylation of C(sp2)−H Bonds Using DMF as a Carbon Source: Synthesis of Pyrido-Fused Quinazolinones and Phenanthridinones

    Article • Organic Letters, July 2016, American Chemical Society (ACS)

    Parthasarathi Das

  6. Copper-Catalyzed CNH2Arylation of 2-Aminobenzimidazoles and Related C-Amino-NH-azoles

    Article • Advanced Synthesis & Catalysis, June 2016, Wiley

    Parthasarathi Das

  7. ChemInform Abstract: Site-Selective Intermolecular Oxidative C-3 Alkenylation of 7-Azaindoles at Room Temperature.

    Article • ChemInform, June 2016, Wiley

    Parthasarathi Das

  8. Metal-Free Aminooxygenation of Alkynes: Efficient Synthesis of 3-Aroylimidazo[1,2-a]-N-Heterocycles

    Article • Asian Journal of Organic Chemistry, May 2016, Wiley

    Parthasarathi Das

  9. Site-Selective Intermolecular Oxidative C-3 Alkenylation of 7-Azaindoles at Room Temperature

    Article • Organic Letters, March 2016, American Chemical Society (ACS)

    Parthasarathi Das

  10. Copper-CatalyzedN-Arylation of Tautomerizable Heterocycles with Boronic Acids and Its Application to Synthesis of Oxygenated Carbazoles

    Article • ChemistrySelect, March 2016, Wiley

    Parthasarathi Das

  11. ChemInform Abstract: Palladium-Catalyzed Arylation of 2H-Chromene: A New Entry to Pyrano[2,3-c]carbazoles.

    Article • ChemInform, January 2016, Wiley

    Parthasarathi Das

  12. ChemInform Abstract: Copper-Catalyzed Inter- and Intramolecular C-N Bond Formation: Synthesis of Benzimidazole-Fused Heterocycles.

    Article • ChemInform, January 2016, Wiley

    Parthasarathi Das

  13. ChemInform Abstract: Copper-Catalyzed Oxidative C-H Amination: Synthesis of Imidazo[1,2-a]-N-Heterocycles from N-Heteroaryl Enaminones.

    Article • ChemInform, December 2015, Wiley

    Parthasarathi Das

  14. Copper-Catalyzed Inter- and Intramolecular C–N Bond Formation: Synthesis of Benzimidazole-Fused Heterocycles

    Article • The Journal of Organic Chemistry, September 2015, American Chemical Society (ACS)

    Parthasarathi Das

  15. ChemInform Abstract: Divergent Synthesis of 4,6-Diarylated Pyridin-2(1H)-ones from Chalcones: Novel Access to 2,4,6-Triaryl Pyridines.

    Article • ChemInform, August 2015, Wiley

    Parthasarathi Das

  16. ChemInform Abstract: Sulfuric Acid Immobilized on Silica Gel (H2SO4-SiO2) as an Eco-Friendly Catalyst for Transamidation.

    Article • ChemInform, June 2015, Wiley

    Parthasarathi Das

  17. ChemInform Abstract: Cu-Catalyzed Arylation of the Amino Group in the Indazole Ring: Regioselective Synthesis of Pyrazolo-Carbazoles.

    Article • ChemInform, May 2015, Wiley

    Parthasarathi Das

  18. Copper-Catalyzed Oxidative C−H Amination: Synthesis of Imidazo[1,2-a]-N-Heterocycles from N-Heteroaryl Enaminones

    Article • Asian Journal of Organic Chemistry, April 2015, Wiley

    Parthasarathi Das, Professor Rajni Kant

  19. ChemInform Abstract: Hypervalent Iodine(III) Catalyzed Oxidative C-N Bond Formation in Water: Synthesis of Benzimidazole-Fused Heterocycles.

    Article • ChemInform, January 2015, Wiley

    Parthasarathi Das

  20. Sulphuric acid immobilized on silica gel (H2SO4–SiO2) as an eco-friendly catalyst for transamidation

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Parthasarathi Das

  21. Cu-catalyzed arylation of the amino group in the indazole ring: regioselective synthesis of pyrazolo-carbazoles

    Article • Organic & Biomolecular Chemistry, January 2015, Royal Society of Chemistry

    Parthasarathi Das

  22. Divergent synthesis of 4,6-diarylated pyridin-2(1H)-ones from chalcones: novel access to 2,4,6-triaryl pyridines

    Article • Organic & Biomolecular Chemistry, January 2015, Royal Society of Chemistry

    Parthasarathi Das, Professor Kamal K. Kapoor

  23. Palladium-catalyzed arylation of 2H-chromene: a new entry to pyrano[2,3-c]carbazoles

    Article • Organic & Biomolecular Chemistry, January 2015, Royal Society of Chemistry

    Parthasarathi Das

  24. ChemInform Abstract: C-N Bond Formation via Cu-Catalyzed Cross-Coupling with Boronic Acids Leading to Methyl Carbazole-3-carboxylate: Synthesis of Carbazole Alkaloids.

    Article • ChemInform, September 2014, Wiley

    Parthasarathi Das

  25. ChemInform Abstract: Direct C‐2 Arylation of 7‐Azaindoles: Chemoselective Access to Multiarylated Derivatives.

    Article • ChemInform, March 2014, Wiley

    Parthasarathi Das

  26. C–N bond formation via Cu-catalyzed cross-coupling with boronic acids leading to methyl carbazole-3-carboxylate: synthesis of carbazole alkaloids

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Parthasarathi Das

  27. Hypervalent iodine(iii) catalyzed oxidative C–N bond formation in water: synthesis of benzimidazole-fused heterocycles

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Parthasarathi Das

  28. Copper-catalyzed sequential N-arylation of C-amino-NH-azoles

    Article • Chemical Communications, January 2014, Royal Society of Chemistry

    Parthasarathi Das

  29. Direct C-2 Arylation of 7-Azaindoles: Chemoselective Access to Multiarylated Derivatives

    Article • Organic Letters, October 2013, American Chemical Society (ACS)

    Parthasarathi Das

  30. ChemInform Abstract: Synthesis and Characterization of 5‐(6‐Substituted phenyl‐2H‐chromen‐3‐yl) Oxazole Derivatives.

    Article • ChemInform, March 2013, Wiley

    Parthasarathi Das

  31. Base and ligand free copper-catalyzed N-arylation of 2-amino-N-heterocycles with boronic acids in air

    Article • RSC Advances, January 2013, Royal Society of Chemistry

    Parthasarathi Das

  32. Synthesis and Characterisation of 5-(6-substituted phenyl -2H-chromen-3- yl) Oxazole Derivatives

    Article • Letters in Organic Chemistry, October 2012, Bentham Science Publishers

    Parthasarathi Das

  33. ChemInform Abstract: Synthesis and Characterization of 9‐Methyl‐2‐morpholin‐4‐yl‐8‐substituted Phenyl‐1H‐purine Derivatives Using Polyphosphoric Acid (PPA) as an Efficient Catalyst.

    Article • ChemInform, January 2012, Wiley

    Parthasarathi Das

  34. Synthesis and characterization of 9-methyl-2-morpholin-4-yl-8-substituted phenyl-1H-purine derivatives using polyphosphoric acid (PPA) as an efficient catalyst

    Article • Tetrahedron Letters, October 2011, Elsevier

    Parthasarathi Das

  35. ChemInform Abstract: Direct Synthesis of N‐Aryl Derivatives of Quinazolin‐4(3H)‐ones Employing Arylboronic Acids in the Presence of Cu(OAc)2.

    Article • ChemInform, July 2010, Wiley

    Parthasarathi Das

  36. ChemInform Abstract: Dithiocarbamate‐ and DBU‐Promoted Amide Bond Formation under Microwave Condition.

    Article • ChemInform, April 2010, Wiley

    Parthasarathi Das, Dr Naresh Kumar Katari

  37. Direct Synthesis of N-Aryl Derivatives of Quinazolin-4(3H)-ones Employing Arylboronic Acids in the Presence of Cu(OAc)2

    Article • Synlett, February 2010, Thieme Publishing Group

    Parthasarathi Das

  38. Dithiocarbamate and DBU-promoted amide bond formation under microwave condition

    Article • Tetrahedron Letters, February 2010, Elsevier

    Parthasarathi Das, Dr Naresh Kumar Katari

  39. An efficient synthesis of varenicline

    Article • Tetrahedron Letters, January 2010, Elsevier

    Parthasarathi Das

  40. Total Synthesis of (±)-Petasitolone and (±)-Fukinone

    Article • Synthesis, November 2009, Thieme Publishing Group

    Parthasarathi Das

  41. Total Synthesis of (±)-Petasitolone and (±)-Fukinone

    Article • Synthesis, October 2009, Thieme Publishing Group

    Parthasarathi Das

  42. Studies toward a Total Synthesis of Rhizoxin D: Stereoselective Preparation of the C11-C19 Fragment¹

    Article • Synthesis, July 2009, Thieme Publishing Group

    Parthasarathi Das

  43. Stereoselective Preparation of C1-C10 and C11-O14 Fragments of Narbonolide: Exploiting the Versatility of Thiazolidinethione Chiral Auxiliary¹

    Article • Synthesis, January 2009, Thieme Publishing Group

    Parthasarathi Das

  44. ChemInform Abstract: A New Route to Eremophilanes: Synthesis of (.+‐.)‐Eremophilenolide (VII), (.+‐.)‐Eremophiledinone (VI), and (.+‐.)‐Deoxyeremopetasidione (X).

    Article • ChemInform, January 2009, Wiley

    Parthasarathi Das

  45. A new route to eremophilanes: synthesis of (±)-eremophilenolide, (±)-eremophiledinone, and (±)-deoxyeremopetasidione

    Article • Tetrahedron Letters, October 2008, Elsevier

    Parthasarathi Das

  46. A Cross-Metathesis Approach to the Synthesis of Key Precursor of the Macrolide Core of Rhizoxin D

    Article • Synlett, September 2008, Thieme Publishing Group

    Parthasarathi Das, Professor Manojit Pal

  47. ChemInform Abstract: Dithiocarbamate‐ and CuO‐Promoted One‐Pot Synthesis of 2‐(N‐Substituted)‐aminobenzimidazoles and Related Heterocycles.

    Article • ChemInform, May 2008, Wiley

    Parthasarathi Das, Dr Naresh Kumar Katari

  48. Studies towards the total synthesis of narbonolide: stereoselective preparation of the C1–C10 fragment

    Article • Tetrahedron Letters, May 2008, Elsevier

    Parthasarathi Das

  49. A Stereoselective Synthesis of the Macrolide Core of Migrastatin

    Article • Synthesis, February 2008, Thieme Publishing Group

    Parthasarathi Das

  50. Dithiocarbamate and CuO promoted one-pot synthesis of 2-(N-substituted)-aminobenzimidazoles and related heterocycles

    Article • Tetrahedron Letters, February 2008, Elsevier

    Parthasarathi Das, Dr Naresh Kumar Katari

  51. ChemInform Abstract: Studies Toward the Total Synthesis of (—)‐Dictyostatin (I): Stereoselective Preparation of the C1—C10 Fragment.

    Article • ChemInform, January 2008, Wiley

    Parthasarathi Das

  52. Studies toward the Total Synthesis of (-)-Dictyostatin: Stereoselective Preparation­ of the C1-C10 Fragment

    Article • Synthesis, September 2007, Thieme Publishing Group

    Parthasarathi Das

  53. A cross metathesis approach to the synthesis of the C11–C23 fragment of (−)-16-normethyldictyostatin

    Article • Tetrahedron Letters, November 2006, Elsevier

    Parthasarathi Das

  54. A convergent synthesis of the macrolide core of migrastatin

    Article • Tetrahedron Letters, August 2006, Elsevier

    Parthasarathi Das

  55. Direct Observation of ESR Spectra of Bicyclic Nine-Membered Enediynes at Ambient Temperature

    Article • Heterocycles, January 2006, Japan Institute of Heterocyclic Chemistry

    Parthasarathi Das

  56. Spin Trapping of 13C‐Labeled p‐Benzynes Generated by Masamune–Bergman Cyclization of Bicyclic Nine‐Membered Enediynes

    Article • Angewandte Chemie, September 2004, Wiley

    Parthasarathi Das

  57. Spin Trapping of 13C‐Labeled p‐Benzynes Generated by Masamune–Bergman Cyclization of Bicyclic Nine‐Membered Enediynes

    Article • Angewandte Chemie International Edition, September 2004, Wiley

    Parthasarathi Das

  58. Asymmetric Synthesis of Cycloalkenyl and Alkenyloxiranes from Allylic Sulfoximines and Aldehydes and Application to Solid‐Phase Synthesis.

    Article • ChemInform, July 2004, Wiley

    Parthasarathi Das

  59. Asymmetric Synthesis of Cycloalkenyl and Alkenyloxiranes From Allylic Sulfoximines and Aldehydes and Application to Solid-Phase Synthesis

    Article • European Journal of Organic Chemistry, April 2004, Wiley

    Parthasarathi Das

  60. Asymmetric Synthesis of Protected β‐Substituted and β,β‐Disubstituted β‐Amino Acids Bearing Branched Hydroxyalkyl Side Chains and of Protected 1,3‐Amino Alcohols with Three Contiguous Stereogenic Centers from Allylic Sulfoximines and Aldehydes

    Article • European Journal of Organic Chemistry, March 2003, Wiley

    Parthasarathi Das

  61. Synthesis of 13C‐Labeled, Bicyclic Mimetics of Natural Enediynes.

    Article • ChemInform, March 2003, Wiley

    Parthasarathi Das

  62. Synthesis of 13C-labelled, bicyclic mimetics of natural enediynes

    Article • Chemical Communications, October 2002, Royal Society of Chemistry

    Parthasarathi Das

  63. ChemInform Abstract: Diastereoselective Additions of Ethynyl Grignard Reagent to Erythrulose Derivatives.

    Article • ChemInform, August 2002, Wiley

    Parthasarathi Das

  64. Diastereoselective Additions of Ethynyl Grignard Reagent to Erythrulose Derivatives

    Article • Chemistry Letters, March 2002, The Chemical Society of Japan

    Parthasarathi Das

  65. N-Methylsulfonimidoyl-Substituted (2-Alkenyl)titanium Complexes: Application to the Synthesis of β- and δ-Sulfonimidoyl-Substituted Chiral Homoallylic Alcohols, X-ray Crystal Structure Analysis, and Fluxional Behavior

    Article • European Journal of Organic Chemistry, December 2000, Wiley

    Parthasarathi Das

  66. ChemInform Abstract: Diastereoselective Amination of Vinylic Sulfoximines: Application to the Asymmetric Synthesis of Functionalized β‐Substituted and β,β‐Disubstituted β‐Amino Acids, and of γ‐Amino Alcohols.

    Article • ChemInform, August 2000, Wiley

    Parthasarathi Das

  67. ChemInform Abstract: Photoinduced Electron Transfer (PET) Promoted Oxidative Activation of 1‐(N‐Benzyl‐N‐methylglycyl)‐(S)‐prolinol: Development of Novel Strategies Towards Enantioselective Syntheses of α‐Amino Acids, Their N‐Methyl Derivatives, and α‐...

    Article • ChemInform, May 2000, Wiley

    Parthasarathi Das

  68. Diastereoselective amination of vinylic sulfoximines: application to the asymmetric synthesis of functionalized β-substituted and β,β-disubstituted β-amino acids, and of γ-amino alcohols

    Article • Tetrahedron Letters, April 2000, Elsevier

    Parthasarathi Das

  69. Photoinduced Electron Transfer (PET) Promoted Oxidative Activation of 1-(N-Benzyl-N-methylglycyl)-(S)-prolinol: Development of Novel Strategies Towards Enantioselective Syntheses of α-Amino Acids, TheirN-Methyl Derivatives and α-Hydroxy Acids Employing...

    Article • European Journal of Organic Chemistry, February 2000, Wiley

    Parthasarathi Das

  70. ChemInform Abstract: Synthesis and Utilization of Chiral 3‐N‐Benzyl‐N‐methylaminoperhydropyrrolo[2,1‐c][1,4]oxazin‐4‐one as a Novel Precursor for the Enantioselective Synthesis of α‐Amino Acids and Their N‐Methyl Derivatives.

    Article • ChemInform, December 1999, Wiley

    Parthasarathi Das

  71. Synthesis and utilisation of chiral 3-hydroxy perhydropyrrolo [2,1-c] [1,4] oxazin-4-one as a novel precursor for the enantioselective synthesis of α-hydroxy carboxylic acids

    Article • Tetrahedron Letters, September 1998, Elsevier

    Parthasarathi Das

  72. Enantioselective α-alkylation of piperidine via chiral perhydropyrido [2,1-b] [1,3,4]-oxadiazinone: An easy route for the synthesis of both enantiomers of coniine

    Article • Tetrahedron Letters, December 1997, Elsevier

    Parthasarathi Das

  73. Synthesis and utilization of a novel glycine derived chiral precursor, based on a recyclable L-Prolinol auxiliary, for the enantioselective preparation of α-amino acids and their N-methyl derivatives

    Article • Tetrahedron Letters, April 1996, Elsevier

    Parthasarathi Das