Table 2 NMR data [CDCl3, 400 MHz (1H), 100 MHz (13C)] for Oidioperazines E (2) and Chetoseminudin E (3)

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

 

2 in CD3OD

3 in CD3OD

position

δC

δH (J in Hz)

δC

δH (J in Hz)

1

161.7 s

 

170.3 s

 

3

75.0 s

 

77.7 s

 

4

163.75 s

 

167.9 s

 

6

120.66 s

 

84.1 s

 

7

110.38 d

7.32 d (0.73)

36.9 t

3.13 d (14.0)

    

3.75 d (14.0)

8

108.37 s

 

109.3 s

 

9

125.3 d

7.77 d (0.50)

126.4 d

7.08 s

10a

136.3 s

 

137.9 s

 

11

111.38 d

7.43 d (8.04)

120.3 d

7.70 d (7.7)

12

122.38 d

7.21 dd (8.29, 6.93)

120.1 d

7.00 dd (8.1, 7.2)

13

120.09 d

7.14 dd (8.29, 7.04)

122.5 d

7.05 dd (8.1, 7.3)

14

118.01 d

7.68d (7.84)

112.3 d

7.27 d (7.9)

14a

127.08 s

 

129.6 s

 

2-NCH3

27.55 q

3.24 s

29.7 q

2.94 s

3-CH2OH

62.57 t

3.87 d (11.67)

64.6 t

3.82 d (11.4)

  

4.27 d (11.67)

 

3.56 d (11.4)

3-SCH3

10.52 q

2.08 s

9.7 q

0.64 s

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