Page de garde - Université de Tlemcen
Page de garde - Université de Tlemcen
Page de garde - Université de Tlemcen
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
- Chapitre V : ESSAIS D'EXTRACTION ET DE PURIFICATION DES PRINCIPES ACTIFS -<br />
…………………………………………………………………………………………………...<br />
Pour FB3B et FB3C il s'agit <strong>de</strong>s sucres car les allures <strong>de</strong> leurs spectres sont<br />
comparables à ceux <strong>de</strong>s glucose, galactose et xylose pour FB3B et à ceux <strong>de</strong>s rutinose et<br />
néohepéridose pour FB3C.<br />
ChemNMR H-1 Estimation<br />
3.93;3.68<br />
2.0<br />
OH 2.0<br />
2.0<br />
OH<br />
HO<br />
2.0<br />
OH<br />
O<br />
H5.412.0<br />
OH<br />
H<br />
3.48<br />
Figure 13 : Simulation du galactose<br />
OHH<br />
3.49 2.0<br />
H<br />
3.49<br />
Estimation Quality: blue = good, magenta = medium, red = rough<br />
5<br />
Protocol of the H-1 NMR Prediction:<br />
4<br />
3<br />
PPM<br />
No<strong>de</strong> Shift Base + Inc. Comment (ppm rel. to TMS)<br />
CH2 3.93;3.68 1.37 methylene<br />
2.20 1 alpha -O<br />
0.13 1 beta -O-C<br />
0.15 1 beta -O<br />
-0.04 1 beta -C<br />
OH 2.0 2.00 alcohol<br />
OH 2.0 2.00 alcohol<br />
H 3.48 1.60 tetrahydropyran<br />
1.73 1 alpha -O from methine<br />
0.08 1 beta -O from methine<br />
-0.01 1 beta -C from methine<br />
0.08 1 beta -O from methine<br />
OH 2.0 2.00 alcohol<br />
OH 2.0 2.00 alcohol<br />
H 5.41 3.60 tetrahydropyran<br />
1.73 1 alpha -O from methine<br />
0.08 1 beta -O from methine<br />
H 3.49 1.60 tetrahydropyran<br />
1.73 1 alpha -O from methine<br />
0.08 1 beta -O from methine<br />
0.08 1 beta -O from methine<br />
OH 2.0 2.00 alcohol<br />
OH 2.0 2.00 alcohol<br />
H 3.49 1.60 tetrahydropyran<br />
1.73 1 alpha -O from methine<br />
0.08 1 beta -O from methine<br />
0.08 1 beta -O from methine<br />
2<br />
1<br />
0<br />
92
Change language