Ngày tải lên :
21/02/2014, 03:20
... (1H, d, J
1a,1b
¼ 11 .6 Hz, 1 H
a
);4 .15 (1H,d,
J
1a,1b
¼ 11 .6 Hz, 1- H
b
); 4 .16 (1H, dd, J
4a,4b
¼ 12 .1 Hz,
J
3,4a
¼ 8 .1 Hz, 4-H
a
);4.56(1H,dd,J
4a,4b
¼ 12 .1 Hz,
J
3,4b
¼ 2.7 Hz, 4-H
b
);5 .18 (1H,dd,J
3,4a
¼ ... 4-H
a
);2 .14
(1H, m, 4-H
b
);2 .15 (3H,s ,1- H);3.74(1H,s,OH);4 .17 (3H,
m, 3-H, 5-H); 4.97 (1H, d, J ¼ 11 .8 Hz, CH
2
Ph), 5. 01 (1H,
d, J ¼ 11 .6 Hz, CH
2
Ph),5.04(1H,d,J ¼ 11 .8 Hz,
CH
2
Ph), 5.08 (1H, d, ... 41. 19 (C-3); 68.09 (d, J ¼ 6 .1 Hz, C-2); 69.50 (d,
J ¼ 5 .1 Hz, 2 · CH
2
); 71. 49 (d, J ¼ 5.8 Hz, C -1) ; 11 3.64
(C-5); 12 7.97, 12 8.58, 13 5.60 and 13 5.74 (aromatic C); 14 1.33
(C-4).
31
P-NMR (12 1.5...