6b-HIDROXI-FRIEDELAN-3,16,21-TRIONA
(MAITENSIFOLINA C)

 RMN de 1H (CDCl3/250MHz)

Atrib.

d

Mult.

J
23 1,13 d (3H) 6,7
0,78 s (3H)
0,92 s (3H)
0,98 s (3H)
1,08 s (3H)
1,20 s (3H)
1,23 s (3H)
1,24 s (3H)
6 3,68 s br (1H)
RMN de 13 C

d

C

d

C

d

9,13q 29,44t 47,51t
10,39q 35,04t 47,59s
15,56q 36,59t 49,00d
16,88q 37,58s 50,03t
20,51q 38,73s 58,10d
21,78t 40,51s 58,31d
24,93q 41,12t 78,85d
28,56q 42,39s 211,93s
28,99q 43,24d 214,91s
29,13q 46,56s 217,48s

 Phytochemistry, 30(11), 3819-3821, 1991
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