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Kochianoside II

Reference work entry

CAS Registry Number: 193894-13-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Morolic Acid

Biological source: Kochia scoparia [1]

C47H74O18: 926.487

Mp: 203–204°C (CHCl3-MeOH) [1]

[α]D23 −9.6° (c 0.1, MeOH) [1]

IR (KBr) νmax cm−1: 3436, 2940, 2891, 1736, 1701, 1655, 1078 [1]

FAB-MS (negative ion mode) m/z: 925 (M-H), 793 (M-C5H9O4), 763 (M-C6H11O5), 631 (M-C11H19O9) [1]

FAB-MS (positive ion mode) m/z: 949.4773 (M + Na)+ [1]

1H NMR (J/Hz, C5D5N): 0.71, 0.98, 0.98, 1.05, 1.07, 1.13, 1.23 (s, CH3-25, 26, 27, 24, 30, 29, 23), 2.68 (dd-like, H-13), 3.30 (dd, J = 4.2, 11.9, H-3), 5.30 (brs, H-19)

β-D-GlcUAp:5.01 (d, J = 7.9, H-1)

β-D-Xylp:5.43 (d, J = 7.9, H-1)

β-D-Glcp:5.75 (d, J = 7.6, H-1) [1]

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

Table 1

C-1

39.0

C-18

139.0

GlcUA-1

105.5

2

26.8

19

132.0

2

79.3

3

89.6

20

32.4

3

85.4

4

39.7

21

34.2

4

71.5

5

55.9

22

34.2

5

77.4

6

18.4

23

27.8

6

171.9

7

35.0

References

  1. 1.
    M. Yoshikawa, Y. Dai, H. Shimada, T. Morikawa, N. Matsumura, S. Yoshizumi, H. Matsuda, M. 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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