“…IR (CH2C12): 3040,2960,2900, 1730, 1440, 1395, 1330, 1220, 1150, 1120,1070, 1020: 0,66 (d, J = 6,8,); 0,79 (d, J = 63, Ha-C(9)); 4,04 (s, 2 CH,O); 6,80 (m, H-C(6), H-C(7)); 7,42 (m, H-C (5), H-C (8)). I3C-NMR (62,89 MHz, CDC13): 26,18 (t, C(9)); 53,44(q, CH,O); 79,05 (s, C(4a), C(8a)); 125,48 (d, C(5), C(8)); 126,94 (dd, C(6), C(7)); 154,39 (s, C(I), C (4) (7), 63 (17), 62 (7), 59 (49, 51 (17), 49 (27), 44 (12). Anal.…”