Table 1 NMR Data for muriceidines A–C (1–3) (δ in ppm).

From: Unusual Inner-Salt Guaiazulene Alkaloids and bis-Sesquiterpene from the South China Sea Gorgonian Muriceides collaris

no.

1

2

3

δ C a

δ H b (mult J in Hz)

δ C c

δ H d (mult J in Hz)

δ C a

δ H b (mult J in Hz)

1

128.2, C

 

131.5, C

 

128.7, C

 

2

139.0, CH

7.81 (s)

141.7, CH

8.51 (s)

140.0, CH

7.88 (s)

3

123.5, C

 

124.2, C

 

123.0, C

 

4

149.3, C

 

149.9, C

 

149.3, C

 

5

133.4, CH

7.33 (d, 11.0)

136.3, CH

7.58 (d, 10.4)

133.8, CH

7.36 (d, 10.4)

6

137.1, CH

7.51 (dd, 11.0, 2.2)

138.8, CH

7.75 (d, 10.4)

137.2, CH

7.54 (d, 10.4)

7

146.8, C

 

150.9, C

 

147.3, C

 

8

134.8, CH

8.17 (d, 2.2)

136.2, CH

8.35 (br s)

134.8, CH

8.18 (s)

9

142.8, C

 

146.5, C

 

143.8, C

 

10

141.0, C

 

143.9, C

 

141.5, C

 

11

38.2, CH

3.11 (dq, 6.6, 6.6)

39.3, CH

3.21 (dq, 6.6, 6.6)

38.2, CH

3.12 (dq, 6.6, 6.6)

12

24.5, CH3

1.37 (d, 6.6)

24.6, CH3

1.40 (d, 6.6)

24.6, CH3

1.37 (d, 6.6)

13

24.5, CH3

1.37 (d, 6.6)

24.6, CH3

1.40 (d, 6.6)

24.6, CH3

1.37 (d, 6.6)

14

13.3, CH3

2.58 (s)

13.2, CH3

2.62 (s)

13.4, CH3

2.59 (s)

15

29.7, CH3

3.17 (s)

29.8, CH3

3.13 (s)

29.8, CH3

3.18 (s)

16

149.4, CH

9.56 (s)

151.4, CH

9.16 (s)

152.8, CH

9.90 (s)

2′

172.3, C

 

173.1, C

 

170.5, C

 

3′

118.0, C

 

117.9, C

 

117.5, C

 

4′

24.7, CH2

2.95 (t, 6.0)

61.6, CH

5.05 (s)

69.7, CH

4.69 (s)

5′

20.4, CH2

2.03 (m)

29.8, CH2

2.16 (br d, 13.8), 1.95 (t, 13.8)

23.5, CH2

2.43 (br d, 14.3), 1.82 (m)

6′

42.9, CH2

3.77 (t, 5.5)

38.5, CH2

3.81 (m), 3.63 (dd, 15.0, 4.8)

38.2, CH2

3.82 (br d, 7.7)

7′

163.9, C

 

167.2, C

 

162.9, C

 

OMe

    

54.3, CH3

3.45 (s)

  1. aRecorded at 150 MHz in CDCl3.
  2. bRecorded at 600 MHz in CDCl3.
  3. cRecorded at 150 MHz in CD3OD.
  4. dRecorded at 600 MHz in CD3OD.
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