Pregled bibliografske jedinice broj: 143117
Crystal structures, circular dichroism spectra and absolute configurations of some L-ascorbic acid derivatives
Crystal structures, circular dichroism spectra and absolute configurations of some L-ascorbic acid derivatives // Journal of molecular structure, 687 (2004), 1-3; 101-106 doi:10.1016/j.molstruc.2003.09.019 (međunarodna recenzija, članak, znanstveni)
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Naslov
Crystal structures, circular dichroism spectra and absolute configurations of some L-ascorbic acid derivatives
Autori
Wittine, Karlo ; Gazivoda, Tatjana ; Markuš, Marko ; Mrvoš-Sermek, Draginja ; Hergold-Brundić, Antonija ; Cetina, Mario ; Žiher, Dinko ; Gabelica, Vesna ; Mintas, Mladen ; Raić-Malić, Silvana
Izvornik
Journal of molecular structure (0022-2860) 687
(2004), 1-3;
101-106
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
L-ascorbic acid derivatives ; single crystal X-ray diffraction ; circular dichroism spectroscopy ; Cotton effect
Sažetak
Chiral 2, 3-O, O-dibenzyl ethers of L-ascorbic acid with 4-(5, 6-epoxy)- (4) and 6-O-tosyl- (8) functional groups were studied by X-ray crystallography and circular dichroism (CD) spectroscopy. The stereostructure of 2, 3-O, O-dibenzyl-5, 6-isopropylidene-L-ascorbic acid (6) and 8 was determined by X-ray crystal structure analysis. Comparison of the CD-spectra of 4 and 8 with the CD-spectra of their synthetic precursors (2-3, 5-7) and L-ascorbic acid (1) itself, as well as crystal structures of 6 and 8 permitted to deduce the absolute configuration of 4. Thus, the chiral atoms C-4 and C-5 in 4 have R- and S- configurations, which is consistent with the configuration of 1.
Izvorni jezik
Engleski
Znanstvena područja
Kemija
POVEZANOST RADA
Projekti:
0125003
Ustanove:
Pliva-Istraživački institut,
Tekstilno-tehnološki fakultet, Zagreb,
Prirodoslovno-matematički fakultet, Zagreb,
Fakultet kemijskog inženjerstva i tehnologije, Zagreb
Profili:
Mladen Mintas
(autor)
Vesna Gabelica Marković
(autor)
Karlo Wittine
(autor)
Silvana Raić-Malić
(autor)
Dinko Žiher
(autor)
Draginja Mrvoš-Sermek
(autor)
Mario Cetina
(autor)
Antonija Hergold-Brundić
(autor)
Tatjana Gazivoda Kraljević
(autor)
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus