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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(5E)-3-allyl-6-[2-(but-3-enyloxy)phenyl]hex-5-ene-2,4-dione<br />
MM : C19H22O3=298.37<br />
Rf = 0.68 (éluant : E / Ep : 1 / 1 ).<br />
Rdt = 45%<br />
IR cm -1 (KBr ): νC=O : 1666.20, νC=C : 1640.02, νC-O : 1246.76, ν=CH : 2929.35.<br />
RMN 1 H<br />
H a : 2.37 (s, 3H ).<br />
H b : 1.31 (t, j bc = 7Hz, 1H ).<br />
H c : 1.98 (d, j cb =7Hz, 2H ).<br />
H d ,H n : 5.84-5.93 (m, 2H ).<br />
H e ,H o : 5.04 (dd, j ed =j on =15Hz, 2H ).<br />
H e' ,H o' : 5.11 (dd, j e'd =j o'n =12Hz, 2H ).<br />
H f : 6.71 (d, j fg =16Hz, 1H ).<br />
H g : 7.94 ( d, j gf =16Hz,1H ).<br />
H h -H k : 6.79-7.55 ( m, 4H ).<br />
H l : 4.07 ( t, j lm =6.4Hz, 2H ).<br />
H m : 1.3 ( m, 2H ).<br />
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