Abstract
In the current study, a series of macrocyclic tripeptide Schiff bases 2–6 were synthesized by using macrocyclic tripeptide hydrazide 1 as starting material. Treatment of hydrazide 1 with active carbonyl cycloalkanones gave cycloalkanone hydrazines 2a–2d. Also, condensation of 1 with aromatic and heterocyclic aldehydes, or aromatic and heterocyclic acetyl derivatives afforded the corresponding Schiff base candidates 3a–3e, 4a–4c, 5a–5c, and 6a–6c, respectively.
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Funding
Authors are grateful to King Saud University for funding the work through Researchers Supporting Project (project no. RSP-2019/66).
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No conflict of interest was declared by the authors.
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Sallam, H.A., Abdel-Mageid, R.E. & Amr, A.E. Synthesis of Macrocyclic Ttipeptidopyridine Schiff Base Candidates. Russ J Gen Chem 89, 2308–2313 (2019). https://doi.org/10.1134/S1070363219110239
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DOI: https://doi.org/10.1134/S1070363219110239