Table 2 1H- and 13C-NMR data for 1 in DMSO-d6.

From: Aspergillus terreus IFM 65899-THP-1 cells interaction triggers production of the natural product butyrolactone Ia, an immune suppressive compound

Position

δc, typea

δH (J in Hz)b

HMBCc

1

168.4, C

  

2

138.0, C

  

3

127.9, C

  

4

85.1, C

  

5

38.1, CH2

3.29d, d (14.8)

3,4,6,1’’,2’’

  

3.34d, d (14.8)

3,4,1’’,2’’

6

171.0, C

  

1’

121.5, C

  

2’, 6’

128.9, CH

7.57, d (8.9)

3,2’,4’,6’

3’, 5’

115.7, CH

6.87, d (8.9)

1’,3’,4’,5’

4’

157.8, C

  

1’’

123.8, C

  

2’’

130.9, CH

6.36, d (1.9)

5,4’’,5’’,6’’,7’’

3’’

126.4, C

  

4’’

153.7, C

  

5’’

114.1, CH

6.51, d (8.2)

1’’,3’’

6’’

128.4, CH

6.47, dd (8.2, 1.9)

5, 2’’,4’’

7’’

27.6, CH2

2.99, m

2’’,3’’,4’’,8’’

8’’

122.4, CH

5.00, m

7’’

9’’

131.4, C

  

10’’

17.6, CH3

1.52, s

8’’,9’’,11’’

11’’

25.6, CH3

1.61, s

8’’,9’’,10’’

2-OH

 

10.40, s

1,2,3

4’-OH

 

9.94, s

3’,4’,5’

4’’-OH

 

9.15, s

3’’,4’’,5’’

  1. a125 MHz. b500 MHz. cFrom proton to indicated carbon(s). dSignal overlapped with H2O.
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