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 : 19.95.<br />
C 2 : 62.42.<br />
C 3 : 52.23.<br />
C 4 : 72.21.<br />
C 5 : 67.62<br />
C 6 - C 12 : 117.43, 112.29,120.96,<br />
C 13 : 33.79.<br />
C 14 : 80.49.<br />
123.47, 127.72,128.70,<br />
118.31.<br />
C 15 -C 16 :131.93, 139.29.<br />
C 17 : 157.72.<br />
C 18 : 172.91.<br />
C 19 : 199.57.<br />
9<br />
10<br />
8<br />
11<br />
4<br />
17 O<br />
12<br />
16<br />
15<br />
13<br />
CH<br />
26<br />
7 2<br />
19<br />
(4E)-2-allyl-3-oxo-5-[2-(pent-4-enyloxy)phenyl]pent-4-enoate <strong>de</strong> méthyle<br />
MM : C20H24O4 = 328.40<br />
Rf = 0.65(éluant : E / Ep : 1 / 1 ).<br />
Rdt = 58%<br />
IR cm -1 (KBr ): νC=O : 1736.58, νC=C : 1662.34, νC-O : 1235.18, ν=CH : 2942.84<br />
RMN 1 H<br />
H a : 2.70 (s, 3H ).<br />
H b : 2.40 (t, j bc = 6Hz, 1H ).<br />
H c : 2.80 (d, j cb =6Hz, 2H ).<br />
H d ,H O : 5.1-5.9 (m, 2H ).<br />
H e ,H P : 4.95 (dd, j ed =j Po =16Hz, 2H ).<br />
H e' ,H P' : 5.25 (dd, j e'd =j P'O =12Hz, 2H ).<br />
H f : 6.81 (d, j fg =16Hz, 1H ).<br />
H g : 7.94 ( d, j gf =16Hz,1H ).<br />
H h -H k : 6.98-7.53 ( m, 4H ).<br />
H l : 4.09 ( t, j lm =4Hz, 2H ).<br />
H m ,H n ; 1.90-2.1 ( m, 4H ).<br />
H<br />
j<br />
H<br />
i<br />
H<br />
H l<br />
k<br />
Hh<br />
H<br />
n<br />
O<br />
Hg<br />
PH<br />
Hf<br />
O<br />
O<br />
H<br />
d<br />
HC<br />
5<br />
Hm<br />
Hb<br />
H<br />
e'<br />
14<br />
O<br />
18<br />
1<br />
H<br />
P'<br />
H<br />
o<br />
O<br />
O<br />
O<br />
H<br />
c<br />
H<br />
e<br />
CH<br />
3<br />
3<br />
CH3<br />
a