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MEMOIRE THEME - Bibliothèque Centrale Université de Ouargla

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RMN 13 C<br />

C 1 : 20.81.<br />

C 2 : 63.28.<br />

C 3 : 53.07.<br />

C 4 : 79.41.<br />

C 5 : 71.60.<br />

C 6 - C 12 : 121.97, 116.67,133.82,<br />

C 13 : 113.5.<br />

128.67, 132.67, 124.53,<br />

129.24.<br />

C 14 -C 15 :156.16, 139.59.<br />

C 16 : 170.61.<br />

C 17 : 199.87.<br />

C 18 : 201.57.<br />

8<br />

9<br />

7<br />

10<br />

4<br />

16 O<br />

11<br />

15<br />

6CH<br />

2<br />

14<br />

12<br />

18<br />

(4E)-2-allyl-5-[2- (but-3-ényloxy) phényl]-3-oxopent-4-énoate <strong>de</strong> méthyle<br />

MM : C19H22O4 = 314.37<br />

Rf = 0.82 (éluant : E / Ep : 1 / 1 ).<br />

Rdt = 64%<br />

IR cm -1 (KBr ): νC=O : 1715.37, νC=C : 1644.02, νC-O : 1226.51, ν=CH : 2929.34.<br />

O<br />

HC<br />

5<br />

2<br />

O<br />

17<br />

1<br />

13<br />

O<br />

C H<br />

3<br />

3

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