Page de garde - Université de Tlemcen
Page de garde - Université de Tlemcen
Page de garde - Université de Tlemcen
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
- Chapitre V : ESSAIS D'EXTRACTION ET DE PURIFICATION DES PRINCIPES ACTIFS -<br />
…………………………………………………………………………………………………...<br />
ChemNMR H-1 Estimation<br />
2.0 HO<br />
2.0 HO<br />
3.41<br />
3.49<br />
3.49O<br />
3.88;3.63<br />
OH<br />
OH 2.0<br />
2.0<br />
Figure 15 : Simulation du xylose<br />
5.41<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 />
CH 3.41 1.60 tetrahydropyran<br />
1.73 1 alpha -O from methine<br />
0.08 1 beta -O from methine<br />
CH 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 />
CH 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 />
CH 5.41 3.60 tetrahydropyran<br />
1.73 1 alpha -O from methine<br />
0.08 1 beta -O from methine<br />
CH2 3.88;3.63 3.60 tetrahydropyran<br />
0.15 1 beta -O from methylene<br />
OH 2.0 2.00 alcohol<br />
OH 2.0 2.00 alcohol<br />
OH 2.0 2.00 alcohol<br />
OH 2.0 2.00 alcohol<br />
2<br />
1<br />
0<br />
94
Change language