Raffaele Saladino et al.
FULL PAPERS
CH2), 37.3 (2CH2), 32.8 (CH), 32.6 (CH), 29.5 (CH), 28.0
(CH2), 24.8 (CH3), 24.4 (CH2), 23.8 (CH2), 23.7 (CH2), 22.7
(CH3), 22.6 (CH3), 20.9 (CH3), 19.8 (CH3), 19.6 (CH3); MS:
m/z=416 (M+, 72%).
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para-d-Tocopherylquinone 7: UV: lmax =276.5 nm;
1H NMR (CDCl3): d=6.64 (m, 1H, CH), 6.60 (m, 1H, CH),
2.30 (m, 2H, CH2), 2.07 (s, 3H, CH3), 1.50 (m, 2H), 1.4–0.9
(broad m, 21H), 0.83 (m, 12H); 13C NMR (CDCl3): d=
185.5 (C=O), 185.0 (C=O), 148.2 (C), 145.7 (C), 133.6 (CH),
128.1 (CH), 72.5 (C), 42.2 (CH2), 39.5 (CH2), 39.4 (CH2),
37.5 (2CH2), 37.2 (2CH2), 32.8 (CH), 32.7 (CH), 29.7
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1
para-g-Tocopherylquinone 6: H NMR (CDCl3): d=6.51
(s, 1H, CH), 2.50 (t, 2H, J=7.6 Hz, CH2), 2.0 (s, 6H, 2CH3),
1.98 (m, 2H, CH2), 1.5–1.0 (broad m, 21H), 1.2 (s, 3H,
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(CDCl3): d=184.0 (C=O), 170.9 (C=O), 149.4 (C), 141.5
(C), 140.6 (C), 132.1 (CH), 72.4 (CH), 42.1 (CH2), 39.5
(CH2), 37.9 (CH2), 37.9 (CH2), 37.8 (CH2), 37.6 (CH2), 35.9
(CH2), 33.1 (CH), 33.0 (CH), 28.0 (CH), 26.7 (CH3), 25.2
(CH2), 25.2 (CH2), 24.8 (CH2), 22.7 (CH3), 22.6 (CH3), 20.8
(CH2), 20.3 (CH3), 19.9 (CH3), 12.2 (CH3), 11.6 (CH3); MS:
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ortho-g-Tocopherylquinone 7 (ref.[48]): UV: lmax =281 nm;
1H NMR (CDCl3): d=2.41 (q, 2H, J=7 Hz, CH2), 2.03 (s,
3H, CH3), 1.95 (s, 3H, CH3), 1.73 (q, 2H, J=6.8 Hz, CH2),
1.32 (s, 3H, CH3), 1.09–1.67 (broad m, 21H), 0.83–0.88 (m,
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163.2 (C), 143.6 (C), 134.2 (C), 110.3 (C), 81.4 (C), 40.0
(CH2), 37.4 (2CH2), 37.3 (2CH2), 32.8 (CH), 32.6 (CH),
30.0 (CH2), 28.0 (CH), 24.8 (CH2), 24.4 (CH2), 23.9 (CH3),
22.7 (CH3), 22.6 (CH3), 20.9 (CH2), 19.7 (CH3), 19.6 (CH3),
15.4 (CH2), 13.7 (CH3), 12.2 (CH3); MS: m/z=430 (M+,
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Acknowledgements
This work was supported by MIUR FIRB RBIP067F9E003
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