All Stories

  1. Antifungal, antioxidant, and antibacterial activities of C. macrostachyus plant leaves extracts using different solvents

    Article • Scientific Reports, December 2025, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  2. Phytochemical investigation

    Article • BMC Complementary Medicine and Therapies, October 2025, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  3. Biosynthesis and characterization of copper oxide nanoparticles

    Article • Scientific Reports, August 2025, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  4. Phytochemical analysis and evaluation of the antibacterial and antioxidant activities of the leaf extracts of Ficus sur Forssk

    Article • Berhan International Research Journal of Science and Humanities, March 2025, Debre Berhan University

    Dr Ayalew Temesgen wodajo

  5. Review on activation of small molecules (dihydrogen, carbon dioxide, and dinitrogen) by various transition metal complexes

    Article • Journal of Chemical Research, January 2025, SAGE Publications

    Dr Ayalew Temesgen wodajo

  6. Synthesis and crystal structure of the adduct between 2-pyridylselenyl chloride and isobutyronitrile

    Article • Acta Crystallographica Section E Crystallographic Communications, February 2024, International Union of Crystallography

    Associate Professor (PhD) Ayalew Temesgen wodajo, Dr Ayalew Temesgen wodajo

  7. Phytochemical Investigation and in vitro Antimicrobial and Antioxidant Activities Evaluation of Erianthemum aethiopicum Wiens and Polhill

    Article • Journal of Experimental Pharmacology, February 2024, Taylor & Francis

    Dr Ayalew Temesgen wodajo

  8. Synthesis, crystal structure and Hirshfeld surface analysis of di-μ2-iodido-bis[(2,2′-biquinoline-κ2 N,N′)copper(I)]

    Article • Acta Crystallographica Section E Crystallographic Communications, February 2023, International Union of Crystallography

    Associate Professor (PhD) Ayalew Temesgen wodajo, Dr Ayalew Temesgen wodajo

  9. Unexpected synthesis and crystal structure of N-{2-[2-(2-acetylethenyl)phenoxy]ethyl}-N-ethenyl-4-methylbenzenesulfonamide

    Article • Acta Crystallographica Section E Crystallographic Communications, November 2020, International Union of Crystallography

    Dr Ayalew Temesgen wodajo

  10. Crystal structure of 1,1′-{(1E,1′E)-[4,4′-(9H-fluorene-9,9-diyl)bis(4,1-phenylene)]bis(azanylylidene)bis(methanylylidene)}bis(naphthalen-2-ol) dichlorobenzene monosolvate

    Article • Acta Crystallographica Section E Crystallographic Communications, September 2020, International Union of Crystallography

    Dr Ayalew Temesgen wodajo

  11. Synthesis by deamination reaction and crystal structure at 120 K of (16Z,19E)-18-oxo-N-(pyridin-2-yl)-6,7,9,10-tetrahydro-18H-dibenzo[h,o][1,4,7]trioxacyclohexadecine-17-carboxamide

    Article • Acta Crystallographica Section E Crystallographic Communications, August 2020, International Union of Crystallography

    Trần Thị Thanh Vân, Dr Ayalew Temesgen wodajo

  12. Synthesis and bioactivity of novel (γ-piperidono)dibenzo-33-aza-14-crown-3 ethers

    Article • Chemistry of Heterocyclic Compounds, July 2019, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  13. Phytochemical Investigation on the Root Extraction of Cucumis Prophetarum L.

    Article • Chemistry Africa, March 2019, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  14. Synthesis of New [γ-(Aryl)pyridino]dibenzo-27,28-Diazacrownophanes Containing Two Pyridine Rings

    Article • Macroheterocycles, January 2019, Ivanovo State University of Chemistry and Technology

    Dr Ayalew Temesgen wodajo

  15. Synthesis, characterization and photocatalytic activity of Mn2O3/Al2O3/Fe2O3 nanocomposite for degradation of malachite green

    Article • Bulletin of the Chemical Society of Ethiopia, April 2018, African Journals Online (AJOL)

    Dr Ayalew Temesgen wodajo

  16. Isolation, Structural Elucidation and Bioactivity Studies of Tropane Derivatives of Alkaloids from Seeds Extract of Datura Stramonium

    Article • Science Journal of Chemistry, January 2015, Science Publishing Group

    Dr Ayalew Temesgen wodajo

  17. Synthesis and Molecular Structure of Dibenzo [4-(α-Thienyl- and α-Pyrrolyl)pyrido]aza-14-crown-4 Ethers

    Article • Macroheterocycles, January 2014, Ivanovo State University of Chemistry and Technology

    Professor Le Tuan Anh, Dr Ayalew Temesgen wodajo

  18. ChemInform Abstract: Cascade and Stepwise Oxidation of 4-Phenyl- and 4-(γ-Pyridyl)tetrahydropyridines

    Article • ChemInform, June 2010, Wiley

    Dr Ayalew Temesgen wodajo

  19. ChemInform Abstract: Oxidative Reactions of Azines. Part 9. Cascade and Stage Oxidation of 1,4-Disubstituted 1,2,3,6-Tetrahydropyridines by Potassium Permanganate.

    Article • ChemInform, May 2010, Wiley

    Dr Ayalew Temesgen wodajo

  20. Oxidation of Heterocyclic Compounds by Permanganate Anion

    Article • ChemInform, January 2005, Wiley

    Dr Ayalew Temesgen wodajo

  21. Oxidation of Heterocyclic Compounds by Permanganate Anion. (Review)

    Article • Chemistry of Heterocyclic Compounds, May 2004, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  22. Oxidative Reactions of Azines. 11. The Influence of Manganese Dioxide on the Reaction of Tetrahydropyridines with Formaldehyde: Synthesis and Molecular Structures of 3-Oxa-7-azabicyclo[3.3.1]- and 6-Oxa-2-azabicyclo[3.2.1]octanes

    Article • Chemistry of Heterocyclic Compounds, May 2004, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  23. Oxidation Reactions of Azines. Part 10. Synthesis, Structure, and Oxodihydroxylation of 3‐Hydroxymethyl‐1‐methyl‐4‐phenyl‐1,2,3,6‐tetrahydropyridine.

    Article • ChemInform, January 2004, Wiley

    Dr Ayalew Temesgen wodajo

  24. Oxidation Reactions of Azines. 10. Synthesis, Structure, and Oxodihydroxylation of 3-Hydroxymethyl-1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine

    Article • Chemistry of Heterocyclic Compounds, April 2003, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  25. ChemInform Abstract: Oxidizing Reactions of Azines. Part 8. One‐Reactor Oxidation of 4‐Aryl and 4‐Methyl‐1,2,3,6‐tetrahydropyridines to 1‐Formylamino‐Substituted Alkan‐3‐ones.

    Article • ChemInform, April 2002, Wiley

    Dr Ayalew Temesgen wodajo

  26. ChemInform Abstract: One‐Pot Condensation of 2‐Arylpropenes with Formaldehyde and Ammonium Chloride: The Synthesis of Aryl Substituted Pyridines and 5,7,11‐Trioxa‐1‐azatricyclo[7.3.1.03,8]tridecanes.

    Article • ChemInform, December 2001, Wiley

    Dr Ayalew Temesgen wodajo

  27. ChemInform Abstract: Oxidative Reactions of Azines. Part 6. Lactamization of 4‐Aryl‐ and 4‐Phenethenyl‐Substituted 1,2,3,6‐Tetrahydropyridines and Dihydroxylation of 4‐Aryl‐1,2,5,6‐tetrahydropyrid‐2‐ones Using Potassium Permanganate.

    Article • ChemInform, October 2001, Wiley

    Dr Ayalew Temesgen wodajo

  28. Oxidative Reactions of Azines. 9. Cascade and Stage Oxidation of 1,4-Disubstituted 1,2,3,6-Tetrahydropyridines by Potassium Permanganate

    Article • Chemistry of Heterocyclic Compounds, October 2001, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  29. ChemInform Abstract: Prins Reaction under Manganese Dioxide Control: The Synthesis of 6‐Oxa‐2‐azabicyclo[3.2.1]octan‐4‐ones from Tetrahydropyridines and Formaldehyde.

    Article • ChemInform, July 2001, Wiley

    Dr Ayalew Temesgen wodajo

  30. Oxidizing Reactions of Azines. 8. One-reactor Oxidation of 4-Aryl- and 4-Methyl-1,2,3,6-tetrahydropyridines to 1-Formylamino-substituted Alkan-3-ones

    Article • Chemistry of Heterocyclic Compounds, July 2001, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  31. Oxidizing Reactions of Azines. 7. Imination of 4-Aryl-1,2,3,6-tetrahydropyridines by Arylamines in the Presence of Potassium Permanganate. Molecular Structure of 1-Methyl-2-(4-nitrophenylimino)-4-phenyl-1,2,5,6-tetrahydropyridine

    Article • Chemistry of Heterocyclic Compounds, June 2001, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  32. Prins reaction under manganese dioxide control: the synthesis of 6-oxa-2-azabicyclo[3.2.1]octan-4-ones from tetrahydropyridines and formaldehyde

    Article • Mendeleev Communications, January 2001, Elsevier

    Dr Ayalew Temesgen wodajo

  33. One-pot condensation of 2-arylpropenes with formaldehyde and ammonium chloride: the synthesis of aryl substituted pyridines and 5,7,11-trioxa-1-azatricyclo[7.3.1.03,8]tridecanes

    Article • Mendeleev Communications, January 2001, Elsevier

    Dr Ayalew Temesgen wodajo

  34. Oxidative Reactions of Azines. 6. Lactamization of 4-Aryl- and 4-Phenethenyl-substituted 1,2,3,6-Tetrahydropyridines and Dihydroxylation of 4-Aryl-1,2,5,6-tetrahydropyrid-2-ones Using Potassium Permanganate

    Article • Chemistry of Heterocyclic Compounds, December 2000, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  35. ChemInform Abstract: New Oxidative Reactions of 1,2,3,6‐Tetrahydropyridines: Imination, Lactamination and Decyclization in the Presence of Potassium Permanganate.

    Article • ChemInform, May 1998, Wiley

    Dr Ayalew Temesgen wodajo

  36. ChemInform Abstract: Oxidative Reactions of Azines. Part 5. Ketodihydroxylation and Coupling of 4‐(γ‐Pyridyl)‐1,2,5,6‐tetrahydropyridines with Acetone. Molecular and Crystal Structure of 3,4‐Dihydroxy‐4‐(γ‐pyridyl)‐1‐ethylpiperidine‐2‐one.

    Article • ChemInform, March 1998, Wiley

    Dr Ayalew Temesgen wodajo

  37. ChemInform Abstract: Oxidative Reactions of Azines. Part 4. Coupling of 4‐Aryl‐1,2,5,6‐tetrahydropyridines with Compounds Containing Activated Methyl Group. Synthesis and Structure of 2‐Acylmethylidene‐ and 2‐Nitromethylidene‐1,2,5,6‐tetrahydropyridines.

    Article • ChemInform, January 1998, Wiley

    Dr Ayalew Temesgen wodajo

  38. Cascade and stepwise oxidation of 4-phenyl- and 4-(γ-pyridyl)tetrahydropyridines

    Article • Mendeleev Communications, January 1998, Elsevier

    Dr Ayalew Temesgen wodajo

  39. Oxidative coupling and unusual hydroxymethylation of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in the presence of dicyanomethane

    Article • Mendeleev Communications, January 1998, OOO Zhurnal "Mendeleevskie Soobshcheniya"

    Dr Ayalew Temesgen wodajo

  40. Oxidative reactions of azines

    Article • Russian Chemical Bulletin, November 1997, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo

  41. New oxidative reactions of 1,2,3,6-tetrahydropyridines: imination, lactamination and decyclisation in the presence of potassium permanganate

    Article • Mendeleev Communications, January 1997, Elsevier

    Dr Ayalew Temesgen wodajo

  42. ChemInform Abstract: Oxidation Reactions of Azines. Part 1. Ketohydroxylation of 4‐Phenyl‐1, 2,5,6‐tetrahydropyridines. Synthesis and Structure of 3,4‐Dihydroxy‐4‐ phenylpiperidin‐2‐ones and Their Acetoxy Derivatives.

    Article • ChemInform, August 1996, Wiley

    Dr Ayalew Temesgen wodajo

  43. Oxidative reactions of azines. 1. Ketohydroxylation of 4-Phenyl-1,2,5,6-tetrahydropyrines. Synthesis and structure of 3,4-dihydroxy-4-phenylpiperidin-2-ones and their acetoxy derivatives

    Article • Chemistry of Heterocyclic Compounds, February 1996, Springer Science + Business Media

    Dr Ayalew Temesgen wodajo