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pro vyhledávání: '"Mahmoud Mohamed Abd El-All"'
Autor:
Mohamed Ahmed El-Nassag, Ahmed Halawa, GehadAbd El-Raheem Abd El-Jaleel, Ahmed H. Bedair, Essam M. Eliwa, Mahmoud Mohamed Abd El-All, Ahmed Abd El-Hameed Hassan
Publikováno v:
European Journal of Chemistry. 5:111-121
We report on the synthesis of new coumarin derivatives coupled with heterocyclic and bifunctionalized moieties at position 7. The proposed structures were confirmed by correct elemental analysis and spectral data (IR, MS, 1 H NMR and 13 C NMR). Some