ISOCANGOROSINA A
(atropcangorosina A)

 RMN de 1H 
(CDCl3, 400MHz)

 Atrib d Mult J Atrib d Mult J
1 6,68 s (1H)

26

1,35

 s (3H)

6'

 6,66 dd (1H) 2,9; 9,9 25 1,32 s (3H)

1'

 6,56 s (1H)

30'

 1,20 s (3H)

7'

 5,90 dd (1H) 2,6; 9,9 30 1,19 s (3H)

7

 5,06 dd (1H) 3,0; 11,2 28 1,12 s (3H)

6

 4,87 d (1H) 3,0 28' 1,12 s (3H)

29COOMe

 3,66 s (3H)

26'

 1,07 s (3H)

29'COOMe

 3,58 s (3H)

25'

 0,98 s (3H)

8'

 2,49 s br (1H)

27'

 0,88 s (3H)

8

 2,39 d (1H) 11,2 27 0,79 s (3H)

23

 2,33 s (3H)

23'

 2,18 s (3H)

RMN de 13C 


100MHz,
CDCl3

 C d (mult) C d(mult) C d (mult) C d(mult)

1

108,18

16

36,11c

1'

108,18

16'

36,11d

2

144,44

17

29,89

2'

142,08

17'

30,48

3

140,59

18

43,91

3'

138,04

18'

44,54

4

122,96

19

30,74g

4'

121,05

19'

30,74h

5

124,68

20

40,69

5'

125,69

20'

40,63

6

71,34

21

29,68g

6'

124,41

21'

30,04h

7

74,25

22

36,90c

7'

128,86

22'

36,67d

8

44,96

23

11,13

8'

45,93

23'

11,04

9

40,28

25

28,25

9'

37,62

25'

22,25

10

143,91

26

17,13

10'

141,93

26'

17,13

11

34,62

27

18,43

11'

31,11

27'

17,60

12

30,29

28

31,85f

12'

30,04

28'

31,85f

13

39,61a

29

179,39

13'

39,01b

29'

179,47

14

39,95a

30

31,30e

14'

39,15b

30'

32,11e

15

28,47

31

51,62

15'

29,89

31'

51,55

 Tetrahedron Letters, 31 (47), 6881-6882, 1990
Journal of Natural Products, 60(2), 111-115, 1997
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