MEMOIRE THEME - Bibliothèque Centrale Université de Ouargla
MEMOIRE THEME - Bibliothèque Centrale Université de Ouargla
MEMOIRE THEME - Bibliothèque Centrale Université de Ouargla
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RMN 13 C<br />
C 1 : 27.65.<br />
C 2 : 53.03.<br />
C 3 : 59.68.<br />
C 4 : 64.06<br />
C 5 - C 12 : 117.08, 112.83,119.88,<br />
129.48, 128.03, 121.04,<br />
129.18.<br />
C 14 -C 16 :134.75, 140.60, 132.42.<br />
C 13 : 32.85.<br />
C 17 : 156.82.<br />
C 18 : 172.66.<br />
C 19 : 203.25.<br />
9<br />
10<br />
8<br />
11<br />
4<br />
17 O<br />
12<br />
16<br />
15<br />
7<br />
CH<br />
26<br />
2<br />
O<br />
14<br />
(5E)-6-[2-(but-3-enyloxy)phenyl]-3-prop-2-ynylhex-5-ene-2,4-dione<br />
Rf = 0.57 (éluant : E / Ep : 1 / 1 ).<br />
Rdt =71%<br />
13<br />
19<br />
O<br />
1<br />
CH<br />
2<br />
5<br />
18<br />
O<br />
MM : C19H20O3 =296.36<br />
IR cm -1 (KBr ):νC=O : 1737.55, ν C C : 2213, ν C H : 2923.09, νC-O : 1243.86, νC=C : 1668.1<br />
CH<br />
3<br />
3