?-Amination and the 5-exo-trig cyclization reaction of sulfur-containing Schiff bases with N-phenyltriazolinedione and their anti-lipid peroxidation activity - 11/03/17
, Kosmas Oikonomou b, Melek Gul c, Dimitra Georgiou b, Slawomir Szafert d, Sotirios Katsamakas e, Dimitra Hadjipavlou-Litina e, Yiannis Elemes bBenvenuto su EM|consulte, il riferimento dei professionisti della salute.
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Abstract |
Triazolinedione quenches efficiently the 1,2-dipoles from Schiff bases of glycine esters which are formed via a [1,2-H]-prototropic shift of their α-hydrogens, and affords the respective α-aminated products in good yields. Competition experiments show a stabilization of the 1,2-dipole from the sulfide substituent. 5-exo-trig cyclization of N-PhTAD with Schiff bases of other amino acids gave triazolines. The antioxidative and lipoxygenase inhibitory activities of the novel synthesized compounds were studied.
Il testo completo di questo articolo è disponibile in PDF.Keywords : Triazolinedione, Amino acid, Schiff base, 1,2-Dipole, α-Amination, 5-exo-trig cyclization
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Vol 20 - N° 4
P. 424-434 - aprile 2017 Ritorno al numero
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