Table 2 13C NMR Spectroscopic Data for Compounds 116 (δ in ppm).

From: Isolation, Structure Elucidation, and Absolute Configuration of Germacrane Isomers from Carpesium divaricatum

No.

1a

2a

3b

4a

5b

6a

7a

8a

9b

10a

11a

12b

13a

14a

15b

16b

1

48.8

48.8

48.9

48.8

49.1

49.2

48.9

43.9

43.9

43.9

43.9

43.8

43.9

43.9

25.7

25.4

2

70.9

70.8

70.9

70.8

71.0

70.8

70.9

73.7

73.7

73.8

73.7

73.7

73.7

73.7

33.0

33.2

3

40.4

40.5

40.5

40.5

40.5

40.5

40.6

37.1

37.1

37.3

37.3

37.1

37.3

37.3

217.9

217.8

4

43.4

43.3

43.4

43.3

43.5

43.4

43.4

35.9

36.0

35.9

35.9

35.8

35.9

35.9

80.4

80.4

5

105.6

105.7

105.7

105.7

105.7

105.7

105.7

105.6

105.6

105.8

105.8

105.6

105.8

105.8

78.1

78.1

6

74.4

74.3

74.7

74.4

74.5

74.4

74.4

75.6

75.6

75.8

75.8

75.7

75.8

75.8

80.0

80.0

7

45.9

45.8

45.8

45.8

45.9

45.8

45.8

44.9

44.9

45.1

45.1

45.0

45.0

45.1

41.7

41.6

8

78.1

78.1

78.1

78.1

78.2

78.2

78.2

78.1

78.0

78.2

78.1

78.2

78.3

78.2

70.5

70.3

9

80.3

80.4

80.3

80.3

80.5

80.5

80.4

78.0

77.9

78.0

77.9

77.8

78.0

78.0

78.5

78.7

10

72.0

72.0

72.1

72.1

72.1

72.1

72.2

71.2

71.3

71.1

71.3

71.1

71.1

71.2

30.1

29.9

11

134.8

135.0

134.9

135.0

135.0

135.0

135.1

134.4

134.4

134.6

134.7

134.5

134.6

134.6

132.8

132.8

12

170.2

170.3

170.3

170.3

170.3

170.3

170.2

169.9

169.8

169.9

169.9

169.9

170.0

170.0

169.7

169.7

13

124.2

124.3

124.3

124.3

124.3

124.3

124.3

125.6

125.4

125.5

125.4

125.4

125.5

125.6

124.0

123.9

14

23.3

23.3

23.3

23.3

23.5

23.4

23.4

29.2

29.3

29.4

29.3

29.2

29.2

29.2

20.0

20.0

15

12.5

12.3

12.1

12.3

12.6

12.3

12.4

13.6

13.6

13.6

13.6

13.5

13.6

13.6

23.4

23.4

1′

176.6

166.7

167.0

166.7

176.6

166.7

166.8

176.1

176.1

166.3

166.3

166.2

166.4

166.4

167.1

167.1

2′

33.9

127.1

128.0

127.1

33.9

127.1

127.1

33.8

33.8

127.1

127.1

127.0

127.1

127.1

127.5

127.5

3′

18.0

140.4

139.2

140.3

18.1

140.4

140.4

18.0

18.0

139.4

139.4

139.3

139.4

139.4

138.4

138.4

4′

17.7

19.1

13.2

19.1

17.6

19.2

19.1

17.8

17.8

19.2

19.3

19.1

19.2

19.3

19.3

19.3

5′

 

14.7

10.6

14.7

 

14.7

14.7

  

14.6

14.6

14.5

14.6

14.6

14.6

14.6

1″

178.0

173.9

178.1

178.0

168.8

168.8

177.6

177.0

176.6

176.7

176.7

167.6

173.1

177.1

167.7

173.2

2″

33.5

42.2

33.5

33.5

127.8

127.8

41.0

33.8

41.1

41.4

41.1

127.7

42.6

33.8

127.8

43.2

3″

18.0

25.2

18.1

18.0

137.0

136.9

26.2

18.0

26.3

26.2

26.3

137.3

25.1

18.0

137.7

25.4

4″

17.9

21.4

18.0

17.9

19.3

19.1

15.9

17.8

15.7

16.0

15.7

19.1

21.4

17.8

19.5

21.4

5″

 

21.4

  

14.5

14.4

10.8

 

10.6

10.7

10.7

14.4

21.4

 

14.7

21.5

  1. aMeasured at 150 MHz in methanol-d4; bMeasured at 125 MHz in methanol-d4.