Table 1 1H NMR Spectroscopic Data for Compounds 1–10 in MeOH-d 4.

From: Molecular Diversity and Potential Anti-neuroinflammatory Activities of Cyathane Diterpenoids from the Basidiomycete Cyathus africanus

No.

1a

2b

3b

4b

5b

6b

7b

8b

9b

10b

1

 

2.16 d (18.9) 2.14 d (18.9)

3.68 d (5.2)

1.50 m 1.47 m

3.79 dd (9.5 8.0)

3.75 s

3.59 d (6.9)

  

2.17 d (18.8) 2.16 d (18.8)

2

5.96 s

 

4.56 d (5.2)

4.37 m

2.44 dd (14.7 8.0) 2.09 m

 

4.46 d (6.9)

5.89 s

5.91 s

 

4

       

2.79 m

2.76 dd (5.2, 1.8)

 

5

2.21 d (6.3)

3.16 d (10.4)

2.72 d (7.9)

2.61 d (8.8)

2.51 m

3.03 dd (12.6, 4.1)

2.57 m

2.44 m

2.07 m

2.77 dd (12.8, 3.8)

7

1.69 m1.47 m

1.99 m 1.31 m

1.71 m 1.41 m

1.72 m 1.41 m

1.56 m 1.36 m

1.70 m 1.55 m

1.56 m 1.41 td (12.5, 4.1)

1.70 m 1.45 m

1.64 m 1.39 m

1.73 m 1.59 m

8

1.67 m 1.32 m

1.84 ddd (13.3, 4.5, 2.2) 1.53 td (13.3, 4.5)

1.55 m 1.35 m

2.27 m 1.39 m

1.66 m 1.49 td (13.5, 4.5)

1.87 m 1.75 m

1.63 m 1.49 m

1.80 m 1.38 m

2.28 m 1.45 m

1.83 m 1.66 m

10

2.87 dd (12.6, 5.3) 1.76 ddd (12.6, 10.8, 7.3)

2.21 m 1.63 m

2.52 m 1.93 m

2.34 m 1.51 m

2.16 m 1.59 m

2.38 td (12.6, 3.5) 1.64 m

2.15 td (12.6,3.4) 1.60 m

2.37 m 1.87 m

1.79 m 1.41 m

2.38 m 1.56 m

11

4.24 m

4.67 m

4.17 m

4.11 m

4.68 m

4.74 m

4.68 s

4.26 m

4.22 m

4.23 m

12

        

2.34 m

2.33 m

13

6.11 s

5.75 d (6.2)

6.12 s

6.12 d (1.6)

5.99 s

6.07 s

5.99

3.66 s

4.28 d (7.7)

4.49 d (7.8)

14

 

4.08 d (6.2)

        

15

4.42 d (15.6) 4.26 d (15.6)

4.17 s

4.38 d (15.6) 4.27 d (15.6)

4.33 m 4.25 d (15.9)

4.23 2 H m

4.30 d (15.4) 4.23 d (15.4)

4.27 d (16.5) 4.21 d (16.5)

4.10 d (13.3) 3.85 d (13.3)

3.82 dd (10.9, 5.8) 3.57 dd (10.9, 8.8)

3.84 dd (10.9, 5.9) 3.60 dd (10.9, 8.7)

16

1.15 s

0.88 s

1.09

1.42 s

0.99 s

1.05 s

1.06 s

0.98 s

1.01 s

1.06 s

17

1.09 s

1.26 s

1.13

0.98 s

0.90 s

1.08 s

0.93 s

1.17 s

1.13 s

1.27 s

18

2.80 m

3.05 m

2.85 m

2.14 m

2.95 m

3.10 m

2.99 m

2.93 m

2.91 m

3.05 m

19

1.26 d (6.7)

1.21 d (6.9)

1.23 d (6.6)

1.18 d (6.9)

0.89 d (6.8)

1.18 d (6.9)

1.10 d (7.1)

1.18 d (6.5)

1.26 d (6.5)

1.17 d (7.0)

20

1.37 d (6.7)

1.20 d (6.9)

1.16 d (6.6)

1.32 d (6.9)

1.01 d (6.8)

1.17 d (6.9)

1.20 d (7.1)

1.27 d (6.5)

1.16 d (7.0)

1.20 d (7.0)

  1. a800 MHz. b500 MHz.
Back to article page