All Stories

  1. The Co-catalyst Effects of Mn(II), Zn(II), and Cr(III) Chlorides on Acidic Ionic Liquid Catalyzed Synthesis of Value-added Products from Cellulose in Aqueous Ethanol

    Article • Current Catalysis, April 2023, Bentham Science Publishers

    Professor Ananda S Amarasekara

  2. The Effect of Dicarboxylic Acid Catalyst Structure on Hydrolysis of Cellulose Model Compound D-Cellobiose in Water

    Article • Current Organocatalysis, June 2022, Bentham Science Publishers

    Professor Ananda S Amarasekara

  3. Homogeneous phase synthesis of chitosan silica hybrid materials in ionic liquid medium and adsorption of Fe(III) from aqueous solutions

    Article • Journal of Carbohydrate Chemistry, November 2019, Taylor & Francis

    Professor Ananda S Amarasekara

  4. Conversion of levulinic acid and cellulose to γ-valerolactone over Raney-Ni catalyst using formic acid as a hydrogen donor

    Article • Biofuels, October 2018, Taylor & Francis

    Professor Ananda S Amarasekara

  5. Acid catalyzed aldol condensations of ketones with glyoxylic acid: A simple single-step synthesis of 4-oxo-2,5-heptdienedioic acids

    Article • Synthetic Communications, October 2018, Taylor & Francis

    Professor Ananda S Amarasekara

  6. Vanillin-based polymers: IV. Hydrovanilloin epoxy resins

    Article • Journal of Applied Polymer Science, August 2018, Wiley

    Professor Ananda S Amarasekara

  7. Chemocatalytic hydrolysis of cellulose at 37 °C, 1 atm

    Article • Catalysis Science & Technology, January 2016, Royal Society of Chemistry

    Professor Ananda S Amarasekara

  8. The Co-Catalyst Effect of Zeolites on Acidic Ionic Liquid Catalyzed One-Pot Conversion of Cellulose to Ethyl Levulinate and Levulinic Acid in Aqueous Ethanol

    Article • Current Catalysis, November 2015, Bentham Science Publishers

    Professor Ananda S Amarasekara

  9. The effect of metal ions as co-catalysts on acidic ionic liquid catalyzed single-step saccharification of corn stover in water

    Article • Bioresource Technology, August 2015, Elsevier

    Professor Ananda S Amarasekara

  10. Crystal structure of a polymeric calcium levulinate dihydrate:catena-poly[[diaquacalcium]-bis(μ2-4-oxobutanoato)]

    Article • Acta Crystallographica Section E Crystallographic Communications, April 2015, International Union of Crystallography

    Professor Ananda S Amarasekara

  11. Synthesis and Pyrolysis of Selected Metal Levulinates

    Article • BioEnergy Research, April 2015, Springer Science + Business Media

    Professor Ananda S Amarasekara

  12. NaOH catalyzed condensation reactions between levulinic acid and biomass derived furan-aldehydes in water

    Article • Industrial Crops and Products, March 2015, Elsevier

    Professor Ananda S Amarasekara

  13. Pd/C catalyzed conversion of levulinic acid to γ-valerolactone using alcohol as a hydrogen donor under microwave conditions

    Article • Catalysis Communications, February 2015, Elsevier

    Professor Ananda S Amarasekara

  14. Acidic Ionic Liquid Catalyzed Liquefaction of Cellulose in Ethylene Glycol; Identification of a New Cellulose Derived Cyclopentenone Derivative

    Article • Industrial & Engineering Chemistry Research, January 2015, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  15. γ-Valerolactone from pyrolysis of calcium salts of levulinic-formic acid mixtures derived from cellulose

    Article • Biomass and Bioenergy, January 2015, Elsevier

    Professor Ananda S Amarasekara

  16. ChemInform Abstract: 1-(1-Alkylsulfonic)-3-methylimidazolium Chloride Broensted Acidic Ionic Liquid Catalyzed Skraup Synthesis of Quinolines under Microwave Heating.

    Article • ChemInform, October 2014, Wiley

    Professor Ananda S Amarasekara

  17. 1-(1-Alkylsulfonic)-3-methylimidazolium chloride Brönsted acidic ionic liquid catalyzed Skraup synthesis of quinolines under microwave heating

    Article • Tetrahedron Letters, May 2014, Elsevier

    Professor Ananda S Amarasekara

  18. Mechanism of 1-(1-propylsulfonic)-3-methylimidazolium chloride catalyzed transformation of d-glucose to 5-hydroxymethylfurfural in DMSO: an NMR study

    Article • Carbohydrate Research, March 2014, Elsevier

    Professor Ananda S Amarasekara

  19. Synthesis of a silica-immobilized Brönsted acidic ionic liquid catalyst and hydrolysis of cellulose in water under mild conditions

    Article • Catalysis Communications, March 2014, Elsevier

    Professor Ananda S Amarasekara

  20. Handbook of Cellulosic Ethanol

    Article • December 2013, Wiley

    Professor Ananda S Amarasekara

  21. Enzymatic Hydrolysis of Cellulose and Hemicellulose

    Article • December 2013, Wiley

    Professor Ananda S Amarasekara

  22. Conversion of Syngas to Ethanol Using Microorganisms

    Article • December 2013, Wiley

    Professor Ananda S Amarasekara

  23. Challenges in Aqueous-Phase Biomass Hydrolysis Route: Recalcitrance

    Article • December 2013, Wiley

    Professor Ananda S Amarasekara

  24. Conversion of Syngas to Ethanol Using Chemical Catalysts

    Article • December 2013, Wiley

    Professor Ananda S Amarasekara

  25. Techno-Economic Analysis and Future of Cellulosic Ethanol

    Article • December 2013, Wiley

    Professor Ananda S Amarasekara

  26. Sol–gel synthesis, characterization and water vapor adsorption properties of 1,1′-(1,6-hexanediyl)-bis(imidazolium)dichloride-silica hybrid material

    Article • Journal of Sol-Gel Science and Technology, November 2013, Springer Science + Business Media

    Professor Ananda S Amarasekara

  27. Single reactor conversion of corn stover biomass to C5–C20 furanic biocrude oil using sulfonic acid functionalized Brönsted acidic ionic liquid catalysts

    Article • Biomass Conversion and Biorefinery, October 2013, Springer Science + Business Media

    Professor Ananda S Amarasekara

  28. Synthesis of an Immobilized Brönsted Acidic Ionic Liquid Catalyst and Hydrolysis of Cellulose in Water Under Mild Conditions

    Article • Current Catalysis, September 2013, Bentham Science Publishers

    Professor Ananda S Amarasekara

  29. Synthesis and Characterization of All Renewable Resources Based Branched Polyester:Poly(2,5-furandicarboxylic acid-co-glycerol)

    Article • ISRN Polymer Science, January 2013, Hindawi Publishing Corporation

    Professor Ananda S Amarasekara

  30. Degradation of Untreated Switchgrass Biomass into Reducing Sugars in 1-(Alkylsulfonic)-3-Methylimidazolium Brönsted Acidic Ionic Liquid Medium Under Mild Conditions

    Article • BioEnergy Research, December 2012, Springer Science + Business Media

    Professor Ananda S Amarasekara

  31. A comparison of dilute aqueous p-toluenesulfonic and sulfuric acid pretreatments and saccharification of corn stover at moderate temperatures and pressures

    Article • Bioresource Technology, December 2012, Elsevier

    Professor Ananda S Amarasekara

  32. Aryl sulfonic acid catalyzed hydrolysis of cellulose in water

    Article • Applied Catalysis A General, February 2012, Elsevier

    Professor Ananda S Amarasekara

  33. Vanillin based polymers: I. An electrochemical route to polyvanillin

    Article • Green Chemistry, January 2012, Royal Society of Chemistry

    Professor Ananda S Amarasekara

  34. Vanillin-Based Polymers—part II: Synthesis of Schiff Base Polymers of Divanillin and Their Chelation with Metal Ions

    Article • ISRN Polymer Science, January 2012, Hindawi Publishing Corporation

    Professor Ananda S Amarasekara

  35. Brönsted Acidic Ionic Liquid 1-(1-Propylsulfonic)-3-methylimidazolium-Chloride Catalyzed Hydrolysisof D-Cellobiose in Aqueous Medium

    Article • International Journal of Carbohydrate Chemistry, January 2012, Hindawi Publishing Corporation

    Professor Ananda S Amarasekara

  36. Interactions of D-cellobiose with p-toluenesulfonic acid in aqueous solution: a 13C NMR study

    Article • Carbohydrate Research, December 2011, Elsevier

    Professor Ananda S Amarasekara

  37. Synthesis of levulinic acid–glycerol ketal–ester oligomers and structural characterization using NMR spectroscopy

    Article • European Polymer Journal, December 2011, Elsevier

    Professor Ananda S Amarasekara

  38. 5-Hydroxymethylfurfural Based Polymers

    Article • November 2011, Wiley

    Professor Ananda S Amarasekara

  39. Degradation of Cellulose in Dilute Aqueous Solutions of Acidic Ionic Liquid 1-(1-Propylsulfonic)-3-methylimidazolium Chloride, and p -Toluenesulfonic Acid at Moderate Temperatures and Pressures

    Article • Industrial & Engineering Chemistry Research, November 2011, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  40. Synthesis and characterization of branched polymeric ionic liquids with imidazolium chloride segments

    Article • Polymer Bulletin, July 2011, Springer Science + Business Media

    Professor Ananda S Amarasekara

  41. Synthesis and characterization of polymeric ionic liquid poly(imidazolium chloride-1,3-diylbutane-1,4-diyl)

    Article • Polymer Bulletin, November 2010, Springer Science + Business Media

    Professor Ananda S Amarasekara

  42. Thermal properties of sulfonic acid group functionalized Brönsted acidic ionic liquids

    Article • Journal of Thermal Analysis and Calorimetry, October 2010, Springer Science + Business Media

    Professor Ananda S Amarasekara

  43. ChemInform Abstract: A Novel Reaction of Aryl N-Sulphinylamines, Addition to 1,4- Naphthoquinone.

    Article • ChemInform, August 2010, Wiley

    Professor Ananda S Amarasekara

  44. ChemInform Abstract: Reactions of N-Sulfinylarylamines with 1,4-benzoquinone and 1,4- Naphthoquinone: Synthesis of N-Aryl Sulfinamoyl Quinones and Their Hydrolysis to Hydroxyquinones.

    Article • ChemInform, August 2010, Wiley

    Professor Ananda S Amarasekara

  45. ChemInform Abstract: A Simple Entry to Fused N-Aryl 1,2-Thiazetidine-S-oxides: Thermal Isomerization to 1,4-Thiazine-S-oxides and Nucleophilic Ring-Opening with Alcohols and Amines.

    Article • ChemInform, August 2010, Wiley

    Professor Ananda S Amarasekara

  46. X-ray crystallography and computational studies of the structure of bis-nitrone, 2,5-bis{[methyl(oxido)imino]phenyl}-furan

    Article • Journal of Molecular Structure, August 2010, Elsevier

    Professor Ananda S Amarasekara

  47. Synthesis of a sulfonic acid functionalized acidic ionic liquid modified silica catalyst and applications in the hydrolysis of cellulose

    Article • Catalysis Communications, July 2010, Elsevier

    Professor Ananda S Amarasekara

  48. ChemInform Abstract: Regiochemical Control in the Addition of Aryl N-Sulfinylamines to Juglone and Juglone Derivatives.

    Article • ChemInform, June 2010, Wiley

    Professor Ananda S Amarasekara

  49. ChemInform Abstract: Building BLOCK Strategies for the Synthesis of Molecular Clefts with Inside Functionality.

    Article • ChemInform, June 2010, Wiley

    Professor Ananda S Amarasekara, Dr Davor Margetic

  50. ChemInform Abstract: Synthesis of Functionalized Cavity Structures via 1,3-Dipolar Cycloaddition of Angle-Shaped Alkenes to Curved Norbornene-Framed Dipoles.

    Article • ChemInform, June 2010, Wiley

    Professor Ananda S Amarasekara, Dr Davor Margetic

  51. ChemInform Abstract: A New Synthesis of Quinoline-5,8-quinone.

    Article • ChemInform, June 2010, Wiley

    Professor Ananda S Amarasekara

  52. ChemInform Abstract: Competitive [3 + 2] and [4 + 2] Cycloaddition Reactions of 2-Furaldehyde Phenylhydrazone with Alkenes.

    Article • ChemInform, June 2010, Wiley

    Professor Ananda S Amarasekara

  53. Structural tautomerism of 4-acylpyrazolone schiff bases and crystal structure of 5-methyl-2-phenyl-4-{1-[(pyridin-2-ylmethyl)-amino]-ethylidene}-2,4-dihydro-pyrazol-3-one

    Article • Journal of Structural Chemistry, December 2009, Springer Science + Business Media

    Professor Ananda S Amarasekara

  54. Hydrolysis and Decomposition of Cellulose in Brönsted Acidic Ionic Liquids Under Mild Conditions

    Article • Industrial & Engineering Chemistry Research, November 2009, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  55. Zinc chloride mediated degradation of cellulose at 200°C and identification of the products

    Article • Bioresource Technology, November 2009, Elsevier

    Professor Ananda S Amarasekara

  56. Homogeneous phase synthesis of cellulose carbamate silica hybrid materials using 1-n-butyl-3-methylimidazolium chloride ionic liquid medium

    Article • Carbohydrate Polymers, October 2009, Elsevier

    Professor Ananda S Amarasekara

  57. Synthesis of 4-acylpyrazolone Schiff base ligand grafted silica and selectivity in adsorption of lanthanides from aqueous solutions

    Article • Journal of Rare Earths, October 2009, Elsevier

    Professor Ananda S Amarasekara

  58. Synthesis of functionalized polysiloxane 4-acylpyrazolone Schiff base ligand system and its applications in the adsorption of lanthanide ions from aqueous solutions

    Article • Journal of Sol-Gel Science and Technology, July 2009, Springer Science + Business Media

    Professor Ananda S Amarasekara

  59. Renewable resources based polymers: Synthesis and characterization of 2,5-diformylfuran–urea resin

    Article • European Polymer Journal, February 2009, Elsevier

    Professor Ananda S Amarasekara

  60. Mechanism of the dehydration of d-fructose to 5-hydroxymethylfurfural in dimethyl sulfoxide at 150°C: an NMR study

    Article • Carbohydrate Research, December 2008, Elsevier

    Professor Ananda S Amarasekara

  61. A simple one-pot synthesis of Jacobson–Katsuki type chiral Mn(III)–salen catalyst immobilized in silica by sol–gel process and applications in asymmetric epoxidation of alkenes

    Article • Catalysis Communications, August 2008, Elsevier

    Professor Ananda S Amarasekara

  62. Efficient oxidation of 5-hydroxymethylfurfural to 2,5-diformylfuran using Mn(III)–salen catalysts

    Article • Catalysis Communications, February 2008, Elsevier

    Professor Ananda S Amarasekara

  63. ChemInform Abstract: Cycloaddition Reactions of 5-Hydroxymethyl-furan-2-nitrileoxide.

    Article • ChemInform, January 2008, Wiley

    Professor Ananda S Amarasekara

  64. Cycloaddition Reactions of 5-Hydroxymethyl-Furan-2-Nitrileoxide

    Article • Letters in Organic Chemistry, July 2007, Bentham Science Publishers

    Professor Ananda S Amarasekara

  65. One-pot synthesis of cobalt-salen catalyst immobilized in silica by sol–gel process and applications in selective oxidations of alkanes and alkenes

    Article • Catalysis Communications, July 2007, Elsevier

    Professor Ananda S Amarasekara

  66. Effect of oversulfation on the chemical and biological properties of chondroitin-6-sulfate

    Article • Carbohydrate Polymers, March 2007, Elsevier

    Professor Ananda S Amarasekara

  67. Baker’s yeast (Saccharomyces cerevisiae) mediated transformations of C-aryl-N-phenylnitrones

    Article • Tetrahedron Letters, July 2006, Elsevier

    Professor Ananda S Amarasekara

  68. Effect of oversulfation on the chemical and biological properties of fucoidan

    Article • Carbohydrate Polymers, February 2006, Elsevier

    Professor Ananda S Amarasekara

  69. Nitrosation of β′-Hydroxylamino-α,β-unsaturated Oximes: Synthesis of 1,7-Dioxa-2,6-diaza-spiro[4,4]nona-2,8-diene Ring System.

    Article • ChemInform, August 2005, Wiley

    Professor Ananda S Amarasekara

  70. Nitrosation of β′-hydroxylamino-α,β-unsaturated oximes: synthesis of 1,7-dioxa-2,6-diaza-spiro[4,4]nona-2,8-diene ring system

    Article • Tetrahedron Letters, April 2005, Elsevier

    Professor Ananda S Amarasekara

  71. Studies of planar poly(3,4-disubstituted-thiophenes)

    Article • Synthetic Metals, April 2003, Elsevier

    Professor Ananda S Amarasekara

  72. N-Alkyl-3,4-thiophenedicarboximide. Monomers, Dimers and Polymers

    Article • January 2003, Elsevier

    Professor Ananda S Amarasekara

  73. Synthesis and Study of Head-to-Tail Regioregular Poly(alkyl thiophene-3-carboxylates­)

    Article • Synthesis, January 2003, Thieme Publishing Group

    Professor Ananda S Amarasekara

  74. Synthesis and Solid-State Structures of Dimethyl 2,2‘-Bithiophenedicarboxylates

    Article • The Journal of Organic Chemistry, October 2002, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  75. Reaction of 1,4-Phthalazinedione with Furfural:  Formation of the [5,6]Benza-3a,7a-diazaindane System via an Unusual Skeletal Rearrangement

    Article • Organic Letters, February 2002, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  76. Crystal structure of ( 1α,8α,9β,12β)-1,8-diphenyl-13- oxatetracyclo-[6.4.1.02,7.09,12]trideca-2,4,6,10-tetraene, C24H18O

    Article • Zeitschrift für Kristallographie - New Crystal Structures, January 2002, De Gruyter

    Professor Ananda S Amarasekara

  77. Crystal structure of ( 1α,8α,9β,12β)-1,8-diphenyl-13- oxatetracyclo-[6.4.1.02,7.09,12]trideca-2,4,6,10-tetraene, C24H18O

    Article • Zeitschrift für Kristallographie - New Crystal Structures, January 2002, De Gruyter

    Professor Ananda S Amarasekara

  78. Competitive [3+2] and [4+2]Cycloaddition Reactions of 2-Furaldehyde Phenylhydrazone with Alkenes.

    Article • Bulletin of the Chemical Society of Japan, January 2000, Chemical Society of Japan

    Professor Ananda S Amarasekara

  79. new method for quinoline-quinone synthesis

    Article • Synthetic Communications, September 1999, Taylor & Francis

    Professor Ananda S Amarasekara

  80. Synthesis of Functionalized Cavity Structures via 1,3-Dipolar Cycloaddition of Angle-Shaped Alkenes to Curved Norbornene-Framed Dipoles

    Article • Organic Letters, July 1999, American Chemical Society (ACS)

    Professor Ananda S Amarasekara, Dr Davor Margetic

  81. Building BLOCK Strategies for the Synthesis of Molecular Clefts with Inside Functionality

    Article • Organic Letters, July 1999, American Chemical Society (ACS)

    Professor Ananda S Amarasekara, Dr Davor Margetic

  82. Molecular topology: The synthesis of a new class of rigid arc-shaped spacer molecules based on syn-facially fused norbornanes and 7-heteronorbornanes in which heterobridges are used to govern backbone curvature

    Article • Tetrahedron Letters, May 1999, Elsevier

    Professor Ananda S Amarasekara, Dr Davor Margetic

  83. A Simple Entry to Fused N -Aryl 1,2-Thiazetidine- S -Oxides: Thermal Isomerisation to 1,4-Thiazine- S -Oxides and Nucleophilic Ring-Opening with Alcohols and Amines

    Article • Synlett, February 1997, Thieme Publishing Group

    Professor Ananda S Amarasekara

  84. Antifungal activity of Barringtonia ceylanica bark extract

    Article • Journal of the National Science Foundation of Sri Lanka, December 1996, Sri Lanka Journals Online (SLJOL)

    Professor Ananda S Amarasekara

  85. Batukinaxanthone, a New Trioxygenated Diprenylated Chromenxanthone fromCalophyllum Thwaitesii

    Article • Natural Product Letters, August 1996, Taylor & Francis

    Professor Ananda S Amarasekara

  86. The synthesis of the N-ethoxycarbonyl derivative of 5-azabicyclo[2.1.0]-pent-2-ene (Dewar pyrrole)—the first member of the parent ring-system

    Article • Chemical Communications, January 1996, Royal Society of Chemistry

    Professor Ananda S Amarasekara

  87. Reactions of N-sulfinylarylamines with 1,4-benzoquinone and 1,4-naphthoquinone: synthesis of N-aryl sulfinamoyl quinones and their hydrolysis to hydroxyquinones

    Article • Journal of the Chemical Society Perkin Transactions 1, January 1995, Royal Society of Chemistry

    Professor Ananda S Amarasekara

  88. A novel reaction of aryl N-sulphinylamines, addition to 1,4-naphthoquinone.

    Article • Tetrahedron Letters, December 1993, Elsevier

    Professor Ananda S Amarasekara

  89. Cycloadditions. 34. Intramolecular azide-olefin cycloadditions. A novel synthesis of 2,5-dihydrooxazoles

    Article • The Journal of Organic Chemistry, January 1988, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  90. A novel method of ring formation with functionalized angular methyl groups. Limitations and MM2 calculations

    Article • Tetrahedron Letters, January 1988, Elsevier

    Professor Ananda S Amarasekara

  91. Synthetic methods. 25. Titanium tetrachloride-catalyzed addition of hydrazoic acid to aldehydes and ketones. Thermolysis and photolysis of .alpha.-azido ethers

    Article • The Journal of Organic Chemistry, January 1988, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  92. Photochemical approach to the taxanes

    Article • The Journal of Organic Chemistry, March 1987, American Chemical Society (ACS)

    Professor Ananda S Amarasekara

  93. Phenylselenium azide addition to alkenes. A new and stereospecific introduction of Se and N into organic molecules.

    Article • Tetrahedron Letters, January 1987, Elsevier

    Professor Ananda S Amarasekara

  94. Stereospecific synthesis and stereochemical structure confirmation of dumetorine

    Article • Tetrahedron Letters, January 1987, Elsevier

    Professor Ananda S Amarasekara

  95. An approach to the d-ring of baccatin III (taxol, cephalomannine).

    Article • Tetrahedron Letters, January 1985, Elsevier

    Professor Ananda S Amarasekara

  96. A photochemical approach to the taxanes

    Article • Tetrahedron Letters, January 1985, Elsevier

    Professor Ananda S Amarasekara