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| Titre: | A convenient synthesis of pyrandione derivatives using P-toluenesulfonic acid as catalyst under ultrasound Irradiation |
| Auteur(s): | Benosmane, Nadjib
Boutemeur, B.
Hamdi, S.M.
Hamdi, M. |
| Mots-clés: | Dehydroacetic acid
Schiff base
Condensation
Catalyst
Ultrasound irradiation
Tautomerism |
| Date de publication: | 2016 |
| Collection/Numéro: | Journal of Fundamental and Applied Sciences;pp. 1-13 |
| Résumé: | A new series of 3,3'-{alkane-α,ω-diylbis[imino-eth-1-yl-1-ylidene]}bis(6-methyl-2H-pyran-
2,4(3H)-dione) derivatives (3c-e) has been synthesized by the convenient ultrasound-mediated
condensation of a diamine with dehydroacetic acid in the presence of a catalytic amount of
p- toluenesulfonic acid. The structure of all synthesized compounds was elucidated by IR
spectroscopy, 1H NMR spectroscopic spectra, elemental analysis, and mass spectroscopy. A
tautomeric form for the derivatives species is also proposed |
| URI/URL: | http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/3646 |
| ISSN: | ISSN 1112-9867 |
| Collection(s) : | Publications Nationales
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