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Title: | Spectral analysis of diisopropylidenated monosaccharides ; Low energy EI-MS fragmentation study [articol] |
Authors: | Pascariu, Mihai-Cosmin Şişu, E. Ordodi, Valentin Laurenţiu Rusnac, Lucian Mircea |
Subjects: | Chimie fizică Spectrometrie Cromatografie Monozaharide Articol Monosaccharide Isopropylidene Acetonide Gas chromatography - mass spectrometry Nuclear magnetic resonance |
Issue Date: | 2011 |
Publisher: | Timişoara: Editura Politehnica |
Citation: | Pascariu, Mihai Cosmin. Spectral analysis of diisopropylidenated monosaccharides ; Low energy EI-MS fragmentation study. Timişoara: Editura Politehnica, 2011 |
Series/Report no.: | Buletinul ştiinţific al Universităţii „Politehnica” din Timişoara, România. Seria chimie şi ingineria mediului, Tom 56(70), fasc. 1 (2011), p. 6-11 |
Abstract: | Five diisopropylidenated monosaccharides, namely 1,2:5,6-di-O-isopropylidene-α-D-glucofuranose, 2,3:5,6-di-O-isopropylidene-α-D-mannofuranose, 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose, 2,3:4,5-di-O-isopropylidene-β-D-fruc-topyranose and 2,3:4,6-di-O-isopropylidene-α-L-sorbofuranose, have been investigated using spectroscopic techniques. These include GC-EI-MS at multiple ionization energies, FTIR, DSC, TG, ¹H and ¹³C NMR, and also DEPT135, COSY, HMQC and HMBC measurements. A high instability towards electronic ionization has been found for this type of compounds. |
URI: | http://localhost:8080/xmlui/handle/123456789/1736 |
Appears in Collections: | Articole stiintifice/Scientific articles |
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BUPT_ART_Pascariu_f.pdf | 105.55 kB | Adobe PDF | View/Open |
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