6b,28-DI-HIDROXI-OLEAN-12-EN-3,11-DIONA
(KRUKOVINA C)
RMN de 1H |
Atrib |
d |
Mult |
J |
Atrib |
d |
Mult |
J |
1b |
3,03 |
ddd (1H) |
13,4; 6,3; 3,0 | 24 |
1,43 |
s (3H) |
||
2a |
2,24 |
ddd (1H) |
15,2; 4,8; 3,1 | 25 |
1,70 |
s (3H) |
||
2b |
2,87 |
ddd (1H) |
15,2; 13,8; 6,3 | 26 |
1,48 |
s (3H) |
||
6a |
4,52 |
ddd (1H) |
15,2; 13,8; 6,3 | 27 |
1,34 |
s (3H) |
||
9 |
2,45 |
s (1H) |
28a |
3,23 |
d (1H) |
10,9 |
||
12 |
5,65 |
s (1H) |
28b |
3,49 |
d (1H) |
10,9 |
||
18 |
2,20 |
dd (br 1H) |
13,8; 4,1 | 29 |
0,90 |
s (3H) |
||
23 |
1,17 |
s (3H) |
30 |
0,91 |
s (3H) |
RMN de 13C | C |
d |
C |
d |
C |
d |
1 |
41,74 |
11 |
198,92 |
21 |
33,87 |
|
2 |
34,41 |
12 |
128,42 |
22 |
21,56 |
|
3 |
216,08 |
13 |
169,22 |
23 |
23,84 |
|
4 |
49,21 |
14 |
44,00 |
24 |
25,63 |
|
5 |
56,78 |
15 |
25,90 |
25 |
16,91 |
|
6 |
68,31 |
16 |
30,64 |
26 |
19,69 |
|
7 |
40,27 |
17 |
37,00 |
27 |
23,41 |
|
8 |
44,49 |
18 |
42,69 |
28 |
69,51 |
|
9 |
61,27 |
19 |
45,03 |
29 |
23,43 |
|
10 |
36,60 |
20 |
31,08 |
30 |
32,91 |
Journal of Nat. Prod.
, 59(11), 1072-1075, 1996