All Stories

  1. Erysacleuxins C and D, new isoflavones from the twigs of Erythrina sacleuxii Hua and their cytotoxic activity

    Article • Arabian Journal of Chemistry, February 2020, Scientific Scholar

    Professor Ishmael B Masesane

  2. Mark Your Calendar

    Article • Chemistry International, October 2018, De Gruyter

    Lars Öhrström, Professor Ishmael B Masesane, Professor Resat M. Apak, Dr Ilya Kuselman, Egid Mubofu, Professor Mukund Shankar Chorghade, Pieter Spanoghe

  3. Prenylated isoflavones from the stem bark of Erythrina sacleuxii

    Article • Phytochemistry Letters, August 2018, Elsevier

    Professor Ishmael B Masesane

  4. Mark Your Calendar

    Article • Chemistry International, July 2018, De Gruyter

    Amelia Rauter, Alberto Lesarri, Lars Öhrström, Professor Ishmael B Masesane, Professor Resat M. Apak, Dr Ilya Kuselman, Pieter Spanoghe

  5. Chemical constituents of root and stem bark of Erythrina brucei

    Article • Phytochemistry Letters, June 2018, Elsevier

    Professor Ishmael B Masesane

  6. Chemical constituents of the root bark of Erythrina droogmansiana

    Article • Phytochemistry Letters, June 2017, Elsevier

    Professor Ishmael B Masesane

  7. Fast and efficient synthesis of flavanones from cinnamic acids

    Article • Synthetic Communications, September 2016, Taylor & Francis

    Professor Ishmael B Masesane

  8. New isoflavans from the root bark of Erythrina livingstoniana

    Article • Phytochemistry Letters, September 2016, Elsevier

    Professor Ishmael B Masesane

  9. Flavanones of Erythrina livingstoniana with antioxidant properties

    Article • Fitoterapia, January 2016, Elsevier

    Professor Ishmael B Masesane

  10. Gas phase ion chemistry of coumarins: ab initio calculations used to justify negative chemical ionization trends

    Article • Bulletin of the Chemical Society of Ethiopia, October 2015, African Journals Online (AJOL)

    Prof Kwenga Festus Sichilongo, Professor Ishmael B Masesane

  11. Erylivingstone A–C with antioxidant and antibacterial activities from Erythrina livingstoniana

    Article • Fitoterapia, September 2015, Elsevier

    Professor Ishmael B Masesane

  12. ChemInform Abstract: Efficient and Green Preparation of 2-Amino-4H-chromenes by a Room-Temperature, Na2CO3-Catalyzed, Three-Component Reaction of Malononitrile, Benzaldehydes, and Phloroglucinol or Resorcinol in Aqueous Medium.

    Article • ChemInform, September 2015, Wiley

    Professor Ishmael B Masesane

  13. Efficient and Green Preparation of 2-Amino-4H-chromenes by a Room-Temperature, Na2CO3-Catalyzed, Three-Component Reaction of Malononitrile, Benzaldehydes, and Phloroglucinol or Resorcinol in Aqueous Medium

    Article • Synthetic Communications, April 2015, Taylor & Francis

    Professor Ishmael B Masesane

  14. Investigation of the H3PO4-Promoted Reaction of Benzaldehydes, Ethyl Acetoacetate or Ethyl Cyanoacetate or Malononitrile in the Presence of Urea as a Route to Pyrimidin-2-ones and 2-Iminochromenes

    Article • International Research Journal of Pure and Applied Chemistry, January 2015, Sciencedomain International

    Professor Ishmael B Masesane

  15. Room Temperature Na2CO3-Catalysed One-pot Reaction of Benzaldehydes, Malononitrile and Phloroglucinol in Water, a Simple Green Synthetic Route to Antibacterial 2-Amino-4H-Benzopyrans

    Article • International Research Journal of Pure and Applied Chemistry, January 2015, Sciencedomain International

    Professor Ishmael B Masesane

  16. ESI behavior of thiamphenicol and florfenicol in methanol and tetrahydrofuran solutions for LC–MS

    Article • International Journal of Mass Spectrometry, June 2014, Elsevier

    Prof Kwenga Festus Sichilongo, Professor Ishmael B Masesane

  17. Reaction of ethyl acetoacetate and 2′-hydroxychalcones: Efficient route to 9-aryl-6<i>H</i>-benzo[c]chromen-6-ones

    Article • Bulletin of the Chemical Society of Ethiopia, May 2014, African Journals Online (AJOL)

    Professor Ishmael B Masesane

  18. Simple grinding-induced reactions of 2-aminobenzyl alcohol and benzaldehyde derivatives, a rapid synthetic route to 3,1-benzoxazines

    Article • Bulletin of the Chemical Society of Ethiopia, May 2014, African Journals Online (AJOL)

    Professor Ishmael B Masesane

  19. A sensitive LC-MS/MS method employing a THF–water solvent system for the determination of chloramphenicol, thiamphenicol and florfenicol in bovine muscle

    Article • Analytical Methods, January 2014, Royal Society of Chemistry

    Prof Kwenga Festus Sichilongo, Professor Ishmael B Masesane

  20. NaBH4-Mediated Complete Reduction of the α,β-Unsaturated Ketone Units of Chalcones in the Synthesis of Flavans

    Article • September 2013, Springer Science + Business Media

    Professor Ishmael B Masesane

  21. ChemInform Abstract: Reactions of Salicylaldehyde and Enolates or Their Equivalents: Versatile Synthetic Routes to Chromane Derivatives

    Article • ChemInform, April 2013, Wiley

    Professor Ishmael B Masesane

  22. Reactions of salicylaldehyde and enolates or their equivalents: versatile synthetic routes to chromane derivatives

    Article • Beilstein Journal of Organic Chemistry, December 2012, Beilstein Institut

    Professor Ishmael B Masesane

  23. A flavanone and antimicrobial activities of the constituents of extracts fromMundulea sericea

    Article • Natural Product Research, October 2012, Taylor & Francis

    Professor Ishmael B Masesane

  24. ChemInform Abstract: The Diels-Alder Adducts of Furan and Various Dienophiles: Versatile Intermediates in the Synthesis of Cyclohexyl Systems

    Article • ChemInform, December 2011, Wiley

    Professor Ishmael B Masesane

  25. An efficient synthesis of flavans from salicylaldehyde and acetophenone derivatives

    Article • Tetrahedron Letters, December 2011, Elsevier

    Professor Ishmael B Masesane

  26. Tylosema esculentum extractives and their bioactivity

    Article • Bioorganic & Medicinal Chemistry, September 2011, Elsevier

    Professor Ishmael B Masesane

  27. Synthesis and antibacterial activities of cyclodimers of styrene oxides

    Article • Bulletin of the Chemical Society of Ethiopia, May 2011, African Journals Online (AJOL)

    Professor Ishmael B Masesane

  28. An unexpected 1,2-hydride shift in phosphoric acid-promoted cyclodimerization of styrene oxides under solvent-free conditions. A synthetic route towards 2,4-disubstituted 1,3-dioxolanes

    Article • Tetrahedron Letters, October 2009, Elsevier

    Professor Ishmael B Masesane

  29. ​MCPBA mediated cyclodimerization of p-methoxystyrene to 2,5-di(p-methoxyphenyl)-1,4-dioxane

    Article • July 2009, Royal Society of Chemistry

    Professor Ishmael B Masesane

  30. ​​​​Acid mediated cyclodimerization of styrene oxide to 2-benzyl-4-phenyl-1,3-dioxalane

    Article • July 2009, Royal Society of Chemistry

    Professor Ishmael B Masesane

  31. From nature, through chemical synthesis, toward use in agriculture: Oryzoxymycin case study

    Article • Pure and Applied Chemistry, January 2009, De Gruyter

    Professor Ishmael B Masesane

  32. Stereoselective synthesis of 3,4,5,6-tetrahydroxycyclohexyl β-amino acid derivatives

    Article • Tetrahedron Letters, September 2008, Elsevier

    Professor Ishmael B Masesane

  33. Iodo nitration of alkenes

    Article • June 2008, Royal Society of Chemistry

    Professor Ishmael B Masesane

  34. Synthesis of Nitroalkenes

    Article • June 2008, Royal Society of Chemistry

    Professor Ishmael B Masesane

  35. FACILE ENANTIOSELECTIVE PALLADIUM CATALYSED TRANSFER HYDROGENATION OF α-METHYLCINNAMIC ACID IN THE PRESENCE OF OPTICAL PURE ORGANIC ACIDS

    Article • Bulletin of the Chemical Society of Ethiopia, November 2007, African Journals Online (AJOL)

    Professor Ishmael B Masesane

  36. Enantioselective Palladium-catalysed transfer hydrogenation of unsaturated carboxylic acids

    Article • March 2006, Royal Society of Chemistry

    Professor Ishmael B Masesane

  37. Article • Beilstein Journal of Organic Chemistry, January 2006, Beilstein Institut

    Professor Ishmael B Masesane

  38. Stereoselective Routes to 3-Hydroxy and 3,4-Dihydroxy Derivatives of 2-Aminocyclohexanecarboxylic Acid.

    Article • ChemInform, October 2004, Wiley

    Professor Ishmael B Masesane

  39. Stereoselective routes to 3-hydroxy and 3,4-dihydroxy derivatives of 2-aminocyclohexanecarboxylic acid

    Article • Tetrahedron Letters, June 2004, Elsevier

    Professor Ishmael B Masesane

  40. Asymmetric Synthesis of the Putative Structure of (-)-Oryzoxymycin.

    Article • ChemInform, June 2003, Wiley

    Professor Ishmael B Masesane

  41. Asymmetric Synthesis of the Putative Structure of (−)-Oryzoxymycin

    Article • Organic Letters, February 2003, American Chemical Society (ACS)

    Professor Ishmael B Masesane

  42. Stereoselective Routes to PolyhydroxylatedCyclohexyl-β-amino Acids

    Article • Synlett, January 2003, Thieme Publishing Group

    Professor Ishmael B Masesane

  43. Recent results from natural product research at the University of Botswana

    Article • Pure and Applied Chemistry, January 2001, De Gruyter

    Professor Ishmael B Masesane

  44. A bichalcone from the twigs of Rhus pyroides

    Article • Phytochemistry, April 2000, Elsevier

    Professor Ishmael B Masesane