Minor acetylated metabolites from Euphrasia rostkoviana.: Natural and synthetic acetylated derivatives of rutin
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AMBROSIO, Michele, CIOCARLAN, Alexandru, ARICU, Aculina. Minor acetylated metabolites from Euphrasia rostkoviana.: Natural and synthetic acetylated derivatives of rutin. In: Natural Product Research, 2020, nr. 2(34), pp. 290-295. ISSN 1478-6419. DOI: https://doi.org/10.1080/14786419.2018.1530227
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Natural Product Research
Numărul 2(34) / 2020 / ISSN 1478-6419 /ISSNe 1478-6427

Minor acetylated metabolites from Euphrasia rostkoviana.: Natural and synthetic acetylated derivatives of rutin

DOI: https://doi.org/10.1080/14786419.2018.1530227

Pag. 290-295

Ambrosio Michele1, Ciocarlan Alexandru2, Aricu Aculina2
 
1 Universitatea din Trento,
2 Institute of Chemistry
 
Disponibil în IBN: 10 octombrie 2020


Rezumat

The phenylethanoids rostkovianoside, 6′-O-acetylcrassifolioside and the flavonoid rutin 3‴-acetate, were isolated from the methanolic extract of the aerial parts of Euphrasia rostkoviana Hayne. The structures of these previously undescribed compounds were elucidated by interpretation of spectroscopic data. The acetylation of rutin was also carried out and four ester derivatives were spectroscopically characterized. Finally, a chromatographic method was established to easily identify the acetylated position.

Cuvinte-cheie
Euphrasia rostkoviana, iridoids, Orobanchaceae, phenylethanoid glycosides, rostkovianoside, rutin, rutin acetate