Table 1 NMR parameters of commafric A in CD₂Cl₂:¹H (600 MHz) and ¹³C (150 MHz) NMR, HMBC, H2BC, ADEQUATE-1,1, and ROESY

1

38.1

1.72 (dt, J = 13.3, 3.1)/1.32 (m^c)

25

2′^/″

2′^/″

2′^/″, 25, 2′/″

2

27.3

1.67 (m^c)

3

1′, 1″, 3

1′, 1″, 3

1′^/″, 25

3

76.2

4.02 (dd, J = 11.2, 4.7)

1″, 2″, 5, 24

2′^/″

2′^/″

2′^/″, 5

4

52.9

2′, 2″, 3, 5, 24

3, 5, 24

5

46.6

1.88 (m^c)

24, 25

6′, 6″

6′, 6″

3, 9

6

25.8

2.05 (m^c)/1.80 (m^c)

5, 7

5, 7

7, 24, 25

7

114.0

5.16 (dt, J = 5.1, 2.6)

6′

6′, 6″

6′, 6″

14

8

151.0

6′^/″, 11′^/″, 12′^/″, 26

7, 9

9

59.5

2.01 (m^c)

1′, 5, 11′ ,12′^/″ ,25

11′, 11″

11′, 11″

1″, 5, 11″, 12″

10

34.1

1′^/″, 5, 25

1′, 1″, 5, 9, 25

11

23.1

1.25 (m^c)/1.53 (m^c)

12′^/″

12″

9, 12′, 12″

25, 26/9

12

33.0

1.25 (m^c)/1.48 (m^c)

11′^/″, 14, 26^a

11′, 11″

11′, 11″

26/9, 15′/″, 27

13

48.3

12″, 14, 26, 27

12′, 12″, 14, 26

14

41.2

1.36 (m^c)

9, 12″, 26, 27

15′, 27

15′, 27

6′, 6″, 7

15

33.0

1.34 (m^c)/1.00 (m^c)

16″, 27^a

14, 16′, 16″

14, 16′, 16″

16

26.6

2.02 (m^c)/1.87 (m^c)

15′^/″, 17^b

15″, 17

15′, 15″, 17

17

125

5.04 (ddq, J = 7.5, 6.3, 1.3)

15′^/″, 16′^/″, 19′^/″, 28

16′, 16″, 28^*

16′, 16″

18

135

16′^/″, 19′^/″, 28

17, 19′, 19″, 28

19

40.0

1.96 (m^c)/1.93 (m^c)

20″, 28, 29

20′, 20″

20′, 20″

20

26.7

2.14 (m^c)/2.09 (m^c)

21^b

19′, 19″, 29^**

19′, 19″, 21

21

129.0

5.30 (t, J = 7.0)

19′^/″, 20′^/″, 29, 30′^/″

19′, 19″, 29^*

20′, 20″

29

22

134.0

20′^/″, 29, 30′^/″

21, 29, 30′, 30″

23

181.0

3, 5, 24

24

10.7

1.18 (s)

3, 5

6′, 25

25

14.1

0.75 (s)

1″, 5

1′, 2′^/″, 6′, 11′, 24

26

26.8

0.91 (s)

12′^/″^b

11′, 12′

27

15.1

0.86 (d, J = 6.8)

14, 15′^/″

14

14

12″

28

16.4

1.57 (s)

17, 19′^/″

29

21.4

1.77 (s)

21, 30′^/″

21

30

61.5

4.07 (d, J = 11.7)/4.17 (d, J = 11.7)

21, 29