Table 1 NMR data [CDCl3, 400 MHz (1H), 100 MHz (13C)] for Chaetocochins G

From: Indole diketopiperazines from endophytic Chaetomium sp 88194 induce breast cancer cell apoptotic death

position

δC

δH (J in Hz)

1

166.04 s

 

2-NCH3

30.86 q

3.20 s

3

73.43 s

 

3-SCH3

14.49 q

2.30 s

3-CH2OH

64.41 t

3.84 m

  

4.32 d (8.06)

4

164.24 s

 

5

81.7 d

6.14 d (2.40)

6

 

5.22

6a

149.8 s

 

7

110.4 d

6.73 d (6.87)

8

131.06 d

7.25 t (7.61)

9

119.8 d

6.87 td (7.49, 0.6)

10

124.61 d

7.27 d (8.12)

10a

127.9 s

 

10b

72.97 s

 

11

44.7 t

3.34 d (14.30)

  

3.58 d (14.30)

11a

68.56 s

 

11a-SCH3

15.89 q

2.00 s

1′

165.96 s

 

2′-NCH3

29.43 q

2.78 s

3′

71.3 s

 

3′-SCH3

13.58 q

2.10 s

3′-CH2OH

63.98 t

3.09 d (11.85)

  

3.74 dd (11.85, 6.58)

4′

166.62 s

 

5′-NCH3

28.81 q

3.12 s

6′

73.15 s

 

6′-SCH3

13.46 q

2.24 s

7′

32.8 t

3.18 d (15.17)

  

3.88 d (15.17)

8′

107.6 s

 

9′

125.5 d

7.01 s

10a′

134.8 s

 

11′

111.9 d

7.04 d (7.69)

12′

122.74 d

6.94 t (7.92)

13′

120.15 d

7.03 t (7.57)

14′

119.79 d

7.57 d (7.73)

14a′

129.6 s

 
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