All Stories

  1. Xanthylium Triflate as a Covalent Organocatalyst: A Regioselective N 1 ‐Alkylation of Benzotriazoles Using α ‐Aryl Diazo Deriva...

    Article • Chemistry - A European Journal, March 2026, Wiley

    Dr Ramanathan C R

  2. Chiral 3,3′-diaroyl BINOL phosphoric acids: syntheses and evaluation in asymmetric transfer hydrogenation, photophysical, and electrochemical studies

    Article • Organic & Biomolecular Chemistry, January 2025, Royal Society of Chemistry

    Dr Ramanathan C R

  3. Decarboxylative Iodination and Suzuki-Miyaura Coupling Reactions to Access Chiral 3,3′-Diaryl-1,1′-bi-2-naphthols

    Article • The Journal of Organic Chemistry, December 2023, American Chemical Society (ACS)

    Dr Ramanathan C R

  4. γ‐Al2O3/triflic acid as cooperative catalysts for the tandem Michael addition/carbocyclization: An easy access to 2‐substituted pyrrolo[2,1‐a]isoquinolines and 3‐substituted pyrrolidine‐2,5‐diones

    Article • Journal of Heterocyclic Chemistry, April 2021, Wiley

    Dr Ramanathan C R

  5. Niobium pentoxide, a recyclable heterogeneous solid surface catalyst for the synthesis of α-amino phosphonates

    Article • Journal of Chemical Sciences, February 2021, Springer Science + Business Media

    Dr Ramanathan C R

  6. NaHSO4/SiO2 catalyzed generation of o-quinone/ o-thioquinone methides: synthesis of arylxanthenes/ arylthioxanthenes via oxa-6π-electrocyclization

    Article • Organic & Biomolecular Chemistry, January 2020, Royal Society of Chemistry

    Dr Ramanathan C R

  7. A chiral bicyclic skeleton-tethered bipyridine–Zn(OTf)2 complex as a Lewis acid: enantioselective Friedel–Crafts alkylation of indoles with nitroalkenes

    Article • Organic & Biomolecular Chemistry, January 2019, Royal Society of Chemistry

    Dr Ramanathan C R

  8. Catalyst-free allylation of 2-aminophenol–derived aldimines with allyltrichlorosilane under thermal conditions

    Article • Tetrahedron Letters, September 2017, Elsevier

    Dr Ramanathan C R

  9. Desymmetrization of Symmetrical Triarylcarbinols: Synthesis of 7-Arylfluorenes and a C 2-Symmetric Chiral BIFOL Phosphoric Acid

    Article • Synlett, July 2017, Thieme Publishing Group

    Dr Ramanathan C R

  10. Conformationally rigid chiral ferrocene derivative: Synthesis, resolution and stereochemical assignment

    Article • Tetrahedron Asymmetry, June 2017, Elsevier

    Dr Ramanathan C R, Dr Murali Mohan Achari Kamsali

  11. Metal free synthesis of functionalized 1-aryl isoquinolines via iodine mediated oxidative dehydrogenation and ring opening of lactam in isoindoloisoquinolinones

    Article • Journal of Chemical Sciences, June 2017, Springer Science + Business Media

    Dr Ramanathan C R, Dr Murali Mohan Achari Kamsali

  12. Brønsted acid-mediated cyclization–dehydrosulfonylation/reduction sequences: An easy access to pyrazinoisoquinolines and pyridopyrazines

    Article • Beilstein Journal of Organic Chemistry, March 2017, Beilstein Institut

    Dr Ramanathan C R

  13. Triflic Acid Mediated Cyclization of Unsymmetrical N-Phenethyl- and N-(3-Indolylethyl)succinimides: Regio- and Diastereoselective Synthesis of Substituted Pyrroloisoquinolinones and Indolizino­indolones

    Article • Synthesis, November 2016, Thieme Publishing Group

    Dr Ramanathan C R, Dr Murali Mohan Achari Kamsali

  14. Controlled, Sequential approach to Synthesize Stereogenic Methanesvia in situGenerated Reactive Intermediates

    Article • ChemistrySelect, August 2016, Wiley

    Dr Ramanathan C R

  15. Resolution of (±)-2,2′-dihydroxy-1,1′-binaphthyl-3,3′-dicarboxylic acid using (1R,2R)-trans-cyclohexane-1,2-diamine

    Article • Tetrahedron Asymmetry, November 2015, Elsevier

    Dr Ramanathan C R

  16. Syntheses of fused tetrahydro-β-carboline analogues through imide carbonyl activation using BBr3: Evidence for the involvement of fused cyclic N-acyliminium ion intermediate

    Article • Journal of Chemical Sciences, May 2015, Springer Science + Business Media

    Dr Ramanathan C R

  17. Synthesis of Condensed Tetrahydroisoquinoline Class of Alkaloids by Employing TfOH-Mediated Imide Carbonyl Activation

    Article • European Journal of Organic Chemistry, February 2015, Wiley

    Dr Ramanathan C R

  18. Synthesis and biological evaluation of isoindoloisoquinolinone, pyroloisoquinolinone and benzoquinazolinone derivatives as poly(ADP-ribose) polymerase-1 inhibitors

    Article • Bioorganic & Medicinal Chemistry, February 2015, Elsevier

    Dr Ramanathan C R, Mr Arumugam Suyavaran

  19. The cooperative effect of Lewis pairs in the Friedel–Crafts hydroxyalkylation reaction: a simple and effective route for the synthesis of (±)-carbinoxamine

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

    Dr Ramanathan C R

  20. ChemInform Abstract: Conformationally Rigid Chiral Bicyclic Skeleton-Tethered Bipyridine N,N′-Dioxide as Organocatalyst: Asymmetric Ring Opening of meso-Epoxides.

    Article • ChemInform, December 2014, Wiley

    Dr Ramanathan C R

  21. Conformationally Rigid Chiral Bicyclic Skeleton-Tethered BipyridineN,N′-Dioxide as Organocatalyst: Asymmetric Ring Opening ofmeso-Epoxides

    Article • Advanced Synthesis & Catalysis, June 2014, Wiley

    Dr Ramanathan C R

  22. Ethyltrans-12-(pyridin-4-yl)-9,10-ethanoanthracene-11-carboxylate

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Dr Ramanathan C R

  23. ChemInform Abstract: Friedel-Crafts Hydroxyalkylation Through Activation of a Carbonyl Group Using AlBr3: An Easy Access to Pyridyl Aryl/Heteroaryl Carbinols.

    Article • ChemInform, July 2013, Wiley

    Dr Ramanathan C R

  24. ChemInform Abstract: Conformationally Rigid Chiral Pyridine N-Oxides as Organocatalyst: Asymmetric Allylation of Aldehydes.

    Article • ChemInform, March 2013, Wiley

    Dr Ramanathan C R

  25. Friedel–Crafts hydroxyalkylation through activation of a carbonyl group using AlBr3: an easy access to pyridyl aryl/heteroaryl carbinols

    Article • New Journal of Chemistry, January 2013, Royal Society of Chemistry

    Dr Ramanathan C R

  26. Conformationally Rigid Chiral Pyridine N-Oxides as Organocatalyst: Asymmetric Allylation of Aldehydes

    Article • Advanced Synthesis & Catalysis, July 2012, Wiley

    Dr Ramanathan C R

  27. ChemInform Abstract: Broensted Acid Assisted Activation of Imide Carbonyl Group: Regioselective Synthesis of Isoindoloisoquinolinone Alkaloid (.+-.)-Nuevamine.

    Article • ChemInform, March 2012, Wiley

    Dr Ramanathan C R

  28. Construction of tetrahydro-β-carboline skeletons via Brønsted acid activation of imide carbonyl group: syntheses of indole alkaloids (±)-harmicine and (±)-10-desbromoarborescidine-A

    Article • RSC Advances, January 2012, Royal Society of Chemistry

    Dr Ramanathan C R

  29. 1,7,8,9,10,10-Hexachloro-4-(thiophen-2-ylmethyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione

    Article • Acta Crystallographica Section E Structure Reports Online, August 2011, International Union of Crystallography

    Dr Ramanathan C R

  30. Brønsted acid assisted activation of imide carbonyl group: regioselective synthesis of isoindoloisoquinolinone alkaloid (±)-nuevamine

    Article • Organic & Biomolecular Chemistry, January 2011, Royal Society of Chemistry

    Dr Ramanathan C R

  31. ChemInform Abstract: An Unusual Reactivity of BBr3: Accessing Tetrahydroisoquinoline Units from N-Phenethylimides.

    Article • ChemInform, December 2010, Wiley

    Dr Ramanathan C R

  32. ChemInform Abstract: Asymmetric Dihydroxylation of trans-Stilbene with a New Chiral Ligand Prepared Using Dihydrocinchonine and the C2 Symmetric Chiral trans-9,10-Dihydro-9,10-ethanoanthracene-11,12-dicarboxylic Acid.

    Article • ChemInform, May 2010, Wiley

    Dr Ramanathan C R

  33. An unusual reactivity of BBr3: Accessing tetrahydroisoquinoline units from N-phenethylimides

    Article • Organic & Biomolecular Chemistry, January 2010, Royal Society of Chemistry

    Dr Ramanathan C R

  34. Design, synthesis, resolution, and stereochemical assignment of a conformationally rigid chiral ligand derived from anthracene and a dienophile containing a pyridine moiety

    Article • Tetrahedron Asymmetry, October 2009, Elsevier

    Dr Ramanathan C R

  35. Drug Discrimination in Methamphetamine-Trained Monkeys: Effects of Monoamine Transporter Inhibitors

    Article • Journal of Pharmacology and Experimental Therapeutics, July 2004, American Society for Pharmacology & Experimental Therapeutics (ASPET)

    Dr Ramanathan C R

  36. Asymmetric dihydroxylation of trans-stilbene with a new chiral ligand prepared using dihydrocinchonine and the C2 symmetric chiral trans-9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboxylic acid

    Article • Journal of Chemical Research, December 2001, SAGE Publications

    Dr Ramanathan C R

  37. New Methods of Resolution and Purification of Racemic and Diastereomeric Amino Alcohol Derivatives Using Boric Acid and Chiral 1,1‘-Bi-2-naphthol

    Article • The Journal of Organic Chemistry, June 2001, American Chemical Society (ACS)

    Dr Ramanathan C R

  38. A New, Convenient Method of Resolution of Racemic 1,1‘-Bi-2-naphthol Using Boric Acid and ( R )-(+)-α-Methylbenzylamine

    Article • The Journal of Organic Chemistry, October 1999, American Chemical Society (ACS)

    Dr Ramanathan C R

  39. Resolution of trans-(±)-2-(pyrrolidinyl)cyclohexanol and its methyl ether using boric acid and chiral 1,1′-bi-2-naphthol

    Article • Tetrahedron Asymmetry, June 1999, Elsevier

    Dr Ramanathan C R

  40. Resolution of C2-symmetric 9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboxylic acid and 2,3-diphenylsuccinic acid using (S)-proline

    Article • Tetrahedron Asymmetry, August 1998, Elsevier

    Dr Ramanathan C R