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Kochianoside IV

Reference work entry

CAS Registry Number: 193894-16-5 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Betulinic Acid

Biological source: Kochia scoparia [1]

C41H64O13: 764.434

Mp: 212–214°C (CHCl3-MeOH) [1]

[α]D21 + 15.5° (c 0.8, MeOH) [1]

IR (KBr) νmax cm−1: 3453, 2962, 2898, 1736, 1719, 1655, 1040 [1]

FAB-MS (negative ion mode) m/z: 763 (M-H) [1]

FAB-MS (positive ion mode) m/z: 787.4245 (M + Na)+ [1]

1H NMR (J/Hz, C5D5N): 0.74, 0.96, 1.02, 1.12, 1.28, 1.78 (s, CH3-25, 24, 26, 27, 23, 30), 1.78 (m, H-18), 2.72 (dt-like, H-13), 3.39 (dd, J = 4.9, 11.6, H-3), 3.50 (m, H-19), 4.74, 4.92 (brs, CH2-29)

β-D-GlcUAp:5.00 (d, J = 7.3, H-1)

β-D-Xylp:5.30 (d, J = 7.3, H-1) [1]

13 C NMR (125 MHz, C 5D 5N): [ 1]

Table 1

C-1

39.0

C-18

49.9

GlcUA-1

106.8

2

26.8

19

47.8

2

74.6

3

89.4

20

151.3

3

86.6

4

39.7

21

31.3

4

71.4

5

55.9

22

37.6

5

77.5

6

18.5

23

28.0

6

172.0

7

34.9

24

16.8

Xyl-1

106.2

8

41.2

25

16.3

2

75.3

9

50.9

26

16.4

3

78.1

10

37.2...

References

  1. 1.
    M. Yoshikawa, Y. Dai, H. Shimada, T. Morikawa, N. Matsumura, S. Yoshizumi, H. Matsuda, Matsuda Hideaki, M. Kubo, Chem. Pharm. Bull. 45(6), 1052 (1997)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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