Basellasaponin C

Reference work entry

CAS Registry Number: 354552-04-8 Open image in new window

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

Biological source: Basella rubra [1]

C47H68O22: 984.420

Mp: 230–232°C [1]

[α]D25 + 42.1° (c 0.1, MeOH) [1]

IR (KBr) νmax cm−1: 3426, 1737, 1076, 1036 [1]

RH-FAB-MSm/z: 1007.4132 [M + Na]+, 983 [M-H], 821 [M-C6H11O5][1]

1H NMR (270 MHz, J/Hz, C5D5N): 4.62 (m, H-3), 5.40 (dd-like, H-12), 3.17 (dd-like, H-18), 0.86 (s, CH3-25, 30), 0.89, 1.07, 1.23, 1.51 (s, CH3-29, 26, 27, 24)

β-D-GlcUAp: 5.19 (d, J = 7.6, H-1); 3-oxoperuvic acid: 5.97 (s, H-3″), glycolic acid: 4.79 (s, H2-2″′)

β-D-Glcp: 6.31 (d, J = 7.9, H-1) [1]

13 C NMR: [ 1]

Table 1

C-1

38.6

C-16

23.6

GlcUA-1

106.5

2

26.1

17

46.9

2

71.8

3

85.8

18

41.7

3

72.3

4

53.2

19

46.1

4

70.1

5

52.1

20

30.8

5

75.2

6

21.2

21

34.0

6

171.9

7

32.8

22

32.5

3-oxo-PA-1

171.4

8

40.2

23

180.1

2

94.1

9

48.0

24

12.6

3

97.9

10

36.6

25

15.9

GA-1

172.4

11

23.3

26

References

  1. 1.
    T. Murakami, H. Hirano, M. Yoshikawa, Chem. Pharm. Bull. 49(6), 776 (2001)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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