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Natural Compounds pp 1005-1005 | Cite as

Jujuboside B

Reference work entry

CAS Registry Number: 55466-05-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Miscellaneous Glycosides – Jujubogenin

Biological source: Zizyphus jujuba [1], Zizyphus jujuba var. spinosa [2]

C52H84O21: 1044.550

Mp: 256–259°C (MeOH) [1], 222–225°C (MeOH) [2]

[α]D21 −45.2° (c 1.00, MeOH) [1], [α]D24 −42.0° (c 0.5, MeOH) [2]

IR (KBr) νmax cm−1: 3400 [1]

FD-MSm/z: 1067 [M + Na]+, 1049 [M-H2O-Na]+ [1]

13 C NMR (25 MHz, C 5D 5N): [ 1]

Table 1

C-3

88.0

Ara-1

103.8

Xyl-1

106.0

20

68.3

2

74.6

2

75.9

21

30.0

3

83.2

3

78.0

22

45.3

4

67.5

4

70.6

   

5

63.1

5

67.5

   

Glc-1

103.4

Rha-1

101.2

   

2

81.9

2

72.1

   

3

77.8

3

72.1

   

4

71.0

4

73.6

   

5

78.2

5

69.7

   

6

61.5

6

18.4

References

  1. 1.
    N. Okamura, T. Nohara, A. Yagi, I. Nishioka, Chem. Pharm. Bull. 29(3), 676 (1981)CrossRefGoogle Scholar
  2. 2.
    H. Otsuka, T. Akiyama, K. Kawai, S. Shibata, O. Inone, Y. Ogihara, Phytochemistry 17, 1349 (1978)CrossRefGoogle Scholar

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