CANGOROSINA B
CANGOROSINA B
RMN
de 1H |
Atrib |
d |
Mult |
J |
Atrib |
d |
Mult |
J |
7,00 |
s (1H) |
25' |
1,55 |
s (3H) |
||||
6,33 |
dd (1H) |
1,4; 6,5 |
25 |
1,49 |
s (3H) |
|||
6,21 |
s (1H) |
26' |
1,30 |
|||||
6,12 |
d (1H) |
1,4 |
26 |
1,27 |
||||
5,98 |
d (1H) |
6,5 |
30' |
1,19 |
||||
OMe |
3,57 |
s (3H) |
28' |
1,11 |
||||
22a |
2,84 |
d (1H) |
14,3 |
30 |
0,99 |
|||
23' |
2,48 |
s (3H) |
30 |
0,98 |
d (3H) |
6,4 |
||
20 |
2,48 |
m (1H) |
28 |
0,97 |
||||
23 |
1,58 |
s (3H) |
27' |
0,63 |
| RMN de 13C (CDCl3, 100MHz) | C |
d |
C |
d |
C |
d |
1 |
116,24 |
11 |
33,54 |
21 |
213,30 |
|
2 |
190,50 |
12 |
29,97 |
22 |
52,58 |
|
3 |
92,01 |
13 |
39,66 |
23 |
22,21 |
|
4 |
79,53 |
14 |
44,38 |
24 |
||
5 |
131,14 |
15 |
28,76 |
25 |
35,73 |
|
6 |
126,17 |
16 |
35,64 |
26 |
22,45 |
|
7 |
116,35 |
17 |
38,82 |
27 |
15,14 |
|
8 |
160,26 |
18 |
43,65 |
28 |
32,64 |
|
9 |
41,61 |
19 |
32,30 |
29 |
||
10 |
173,17 |
20 |
41,96 |
30 |
20,12 |
Tetrahedron Letters, 31 (47), 6881-6882, 1990
Journal of Natural Products, 60(2), 111-115, 1997
