Crystal Structures of d-Lyxono-1,4-lactone and Its O-Tosyl Derivative - Publikacja - MOST Wiedzy

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Crystal Structures of d-Lyxono-1,4-lactone and Its O-Tosyl Derivative

Abstrakt

γ- and δ-lactones were formed by bromine oxidation of commercially available D-lyxose, as confirmed by IR analysis. The former was isolated, and its structure was confirmed by NMR spectra and X-ray analysis. In this structure, the presence of both intermolecular and intramolecular hydrogen bonds was found. Intermolecular interactions in the crystal were illustrated using the Hirshfeld surfaces. Due to steric reasons, 3,5- O-isopropylidene-D-lyxono-1,4-lactone was formed, which in a further step led to the formation of a 2-O-tosyl derivative. Its structure was confirmed by X-ray diffraction analysis. The additional ring of the O-isopropylidene derivative caused the lactone ring to change conformation to 3E. In the crystal structure of this compound, only C-H···O intermolecular interactions were present, as confirmed by the Hirshfeld surface analysis.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
MOLECULES nr 30,
ISSN: 1420-3049
Język:
angielski
Rok wydania:
2025
Opis bibliograficzny:
Sosnowska A., Chojnacki J., Samaszko-Fiertek J., Madaj J., Dmochowska B.: Crystal Structures of d-Lyxono-1,4-lactone and Its O-Tosyl Derivative// MOLECULES -Vol. 30,iss. 2 (2025), s.287-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/molecules30020287
Źródła finansowania:
  • Publikacja bezkosztowa
Weryfikacja:
Politechnika Gdańska

wyświetlono 5 razy

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