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  • Enman, JosefineLuleå tekniska universitet,Industriell miljö- och processteknik (författare)

Raman analysis of synthetic eritadenine

  • Artikel/kapitelEngelska2008

Förlag, utgivningsår, omfång ...

  • Wiley,2008
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:ltu-13790
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-13790URI
  • https://doi.org/10.1002/jrs.2023DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Validerad; 2008; 20080310 (ramser)
  • Eritadenine, 2(R),3(R)-dihydroxy-4-(9-adenyl)-butyric acid, is a cholesterol-reducing compound naturally occurring in the shitake mushroom (Lentinus edodes). To identify the unknown Raman spectrum of this compound, pure synthetic eritadenine was examined and the vibrational modes were assigned by following the synthesis pathway. This was accomplished by comparing the known spectra of the starting compounds adenine and D-ribose with the spectra of a synthesis intermediate, methyl 5-(6-Aminopurin-9H-9-yl)-2,3-O-isopropylidene-5-deoxy-β-D-ribofuranoside (MAIR) and eritadenine. In the Raman spectrum of eritadenine, a distinctive vibrational mode at 773 cm-1 was detected and ascribed to vibrations in the carbon chain, ν(C--C). A Raman line that arose at 1212 cm-1, both in the Raman spectrum of MAIR and eritadenine, was also assigned to ν(C--C). Additional Raman lines detected at 1526 and at 1583 cm-1 in the Raman spectrum of MAIR and eritadenine were assigned to ν(N--C) and a deformation of the purine ring structure. In these cases the vibrational modes are due to the linkage between adenine and the ribofuranoside moiety for MAIR, and between adenine and the carbon chain for eritadenine. This link is also the cause for the disappearance of adenine specific Raman lines in the spectrum of both MAIR and eritadenine. Several vibrations observed in the spectrum of D-ribose were not observed in the Raman spectrum of eritadenine due to the absence of the ribose ring structure. In the Raman spectrum of MAIR some of the D-ribose specific Raman lines disappeared due to the introduction of methyl and isopropylidene moieties to the ribose unit. With the approach presented in this study the so far unknown Raman spectrum of eritadenine could be successfully identified and is presented here for the first time.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Ramser, KerstinLuleå tekniska universitet,Signaler och system(Swepub:ltu)ramser (författare)
  • Rova, Ulrika (författare)
  • Berglund, KrisLuleå tekniska universitet,Industriell miljö- och processteknik(Swepub:ltu)krib (författare)
  • Luleå tekniska universitetIndustriell miljö- och processteknik (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Raman Spectroscopy: Wiley39:10, s. 1464-14680377-04861097-4555

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