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Hebevinoside VII

Reference work entry

CAS Registry Number: 101770-14-3 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – 7β-Hydroxy-hebevinogenin

Biological source: Hebeloma vinosophyllum [1]

C45H72O14: 836.492

[α]D20 + 82.0° (c 0.22, acetone) [1]

IR (KBr) νmax cm−1: 3450, 1735, 1630, 1070, 1035 [1]

EI-MSm/z: 818 (9.0, M-H2O), 686 (18.5, M-Xyl), 668 (10.2, M-H2O-Xyl), 653 (21.3, M-H2O-C5H10O5-CH3) [1]

1H NMR (270 MHz, J/Hz, C5D5N): 6.12 (d, J = 4.9, H-6), 4.43 (H-7), 1.03 (d, J = 6.0, CH3-21), 5.51 (t, J = 9.8, H-24), 1.71 (s, CH3-26), 1.75 (s, CH3-27), 0.86, 1.08, 1.19, 1.38, 1.63 (s, CH3 × 5)

β-D-Xylp: 4.82 (d, J = 7.7, H-1)

β-D-Glcp: 4.66 (d, J = 7.7, H-1), 2.03 (s, OAc), 2.09 (s, OAc′) [1]

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

Table 1

C-3

87.4

Xyl-1

107.6

Glc-1

106.5

5

146.4

2

75.1

2

75.6

6

122.5

3

78.5

3

75.5

7

67.4

4

71.1

4

72.4

16

82.5

5

67.1

5

72.4

24

126.9

   

6

63.6

25

130.1

   

Ac-1

170.5

       

2

20.8

       

Ac′-1

170.7

   

References

  1. 1.
    H. Fujimoto, H. Hagiwara, K. Suzuki, M. Yamazaki, Chem. Pharm. Bull. 35(6), 2254 (1987)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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