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Patrinia-Glycoside B-I

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – Ursolic Acid

Biological source: Patrinia scabiosaefolia [1]

C47H76O16: 896.513

Mp: 260–263°C (MeOH) [1]

[α]D−3.7° (c 0.27, C5D5N) [1]

IR (KBr) νmax cm−1: 3380, 2910, 1690, 1075 [1]

FAB-MSm/z: 895(100), 749 (23), 733 (24), 587 (19), 455 (22) [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.85, 1.02, 1.11, 1.22, 1.26 (s, CH3 × 5), 0.97, 1.01 (d, J = 5.8, 6.8, CH3 × 5), 2.65 (d, J = 11.0, Hβ-18), 3.32 (dd, J = 11.2, 3.6, Hα-3), 5.48 (brs, H-12)

α-L-Arap: 4.86 (d, J = 5.2, H-1)

β-D-Glcp: 5.08 (d, J = 7.6, H-1)

α-L-Rhap: 6.11 (brs, H-1), 1.61 (d, J = 6.3, CH3-6) [1]

13 C NMR (100.5 MHz, C 5D 5N): [ 1]

Table 1

C-1

39.2

C-16

25.1

Ara-1

104.8

Glc-1

104.7

2

26.7

17

48.2

2

74.8

2

74.9

3

88.3

18

53.7

3

82.2

3

78.1

4

39.8

19

39.6

4

68.1

4

71.4

5

56.1

20

39.4

5

64.8

5

78.5

6

18.6

21

31.2

Rha-1

101.9

6

62.5

7

33.5

22

37.5

2

72.3

   

8

40.0

23

28.2

3

72.5

   

9

48.1

24

References

  1. 1.
    T. Nakanishi, K. Tanaka, H. Murata, M. Somekawa, A. Inada, Chem. Pharm. Bull. 41(1), 183 (1993)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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