Employees – University of Copenhagen

John Nielsen

John Nielsen

Professor


  1. 2019
  2. Published

    Microwave-assisted solid-phase synthesis of antisense acpP peptide nucleic acid-peptide conjugates active against colistin- and tigecycline-resistant E. coli and K. pneumoniae. / Hansen, Anna Mette; Bonke, Gitte; Hogendorf, Wouter Frederik Johan; Björkling, Fredrik; Nielsen, John; Kongstad, Kenneth T; Zabicka, Dorota; Tomczak, Magdalena; Urbas, Malgorzata; Nielsen, Peter E; Franzyk, Henrik.

    In: European Journal of Medicinal Chemistry, Vol. 168, 10.02.2019, p. 134-145.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    A new flavonol glycoside and other flavonoids from the aerial parts of Taverniera aegyptiaca. / Hassan, Ahmed R.; Amer, Khadiga F.; El-Toumy, Sayed A.; Nielsen, John; Christensen, Søren Brøgger.

    In: Natural Product Research, Vol. 33, No. 8, 2019, p. 1135-1139.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. 2018
  5. Published

    Difluoroacetic Acid as a New Reagent for Direct C-H Difluoromethylation of Heteroaromatic Compounds - Scope, Limitations and Perspectives. / Nielsen, John; Christensen, Soren Brogger; Tung, Truong Thanh.

    In: Synthesis, Vol. 50, No. 23, 12.2018, p. A193-A196.

    Research output: Contribution to journalConference articleResearchpeer-review

  6. Published

    Direct difluoromethylation of heterocycles using difluoroacetic acid. / Nielsen, John; Truong Thanh Tung, ; Christensen, Soren.

    2018. Abstract from 256th National Meeting and Exposition of the American-Chemical-Society (ACS) - Nanoscience, Nanotechnology and Beyond, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  7. Published

    Discovering drugs from plants or drugs in plants? Conference Abstract MEDI 217. / Nielsen, John.

    2018. Poster session presented at 256th National Meeting and Exposition of the American-Chemical-Society (ACS) - Nanoscience, Nanotechnology and Beyond, United States.

    Research output: Contribution to conferencePosterResearchpeer-review

  8. Published
  9. Published
  10. 2017
  11. Published

    Metformin, an Anthropogenic Contaminant of Seidlitzia rosmarinus Collected in a Desert Region near the Gulf of Aqaba, Sinai Peninsula. / Hassan, Ahmed R; El-Kousy, Salah M; El-Toumy, Sayed A; Frydenvang, Karla; Tung, Truong Thanh; Olsen, Jesper; Nielsen, John; Christensen, Søren Brøgger.

    In: Journal of Natural Products, Vol. 80, 27.10.2017, p. 2830-2834.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Cover picture: Difluoroacetic Acid as a New Reagent for Direct C−H Difluoromethylation of Heteroaromatic Compounds. / Thanh Tung, Truong; Christensen, Søren Brøgger; Nielsen, John.

    In: Chemistry - A European Journal, 25.10.2017.

    Research output: Contribution to journalJournal articleCommunication

  13. Published

    Difluoroacetic Acid as a New Reagent for Direct C-H Difluoromethylation of Heteroaromatic Compounds. / Thanh Tung, Truong; Christensen, Søren Brøgger; Nielsen, John.

    In: Chemistry: A European Journal, Vol. 23, 11.10.2017, p. 18125-18128.

    Research output: Contribution to journalJournal articleResearchpeer-review

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