M. De Rosa et al. / Tetrahedron 68 (2012) 3086e3091
3091
1448, 1370, 1163 cmꢂ1
; dH (400 MHz, CDCl3) 4.10 (2H, q, J 7.1 Hz,
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OCH2CH3), 2.64e2.56 (1H, m, CH2CH2), 2.42e2.21 (5H, m, CH2CH2),
2.09e1.79 (6H, m, CH2CH2), 1.18 (3H,t, J¼7.1 Hz, OCH2CH3), 0.97 (3H,
t, J 7.4 Hz, OCCH2CH3). dC (100 MHz, CDCl3) 214.8, 210.4, 171.3, 61.3,
59.0, 37.9, 37.4, 35.8, 34.2, 26.9, 19.5, 14.0, 7.7; m/z 240 (Mþ).
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Acknowledgements
This work was supported by the Italian Ministry of Education
(MIUR).
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