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Glycoside 3

Reference work entry

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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]

C41H66O10: 718.465

Mp: 270–273°C [1]

[α]D + 39.2° (c 0.075, C5H5N) [1]

IR (KBr) νmax cm−1: 3410, 2920, 1690, 1075 [1]

1H NMR (400 MHz, J/Hz, C5D5N): 0.85, 0.99, 1.04, 1.28, 1.34 (s, CH3 × 5), 0.97, 1.01 (d, J = 6.2, CH3 × 2), 2.67 (d, J = 10.5, Hβ-18), 3.39 (dd, J = 11.5, 4.3, Hα-3), 5.49 (m, H-12)

α-L-Arap: 4.77 (d, J = 7.3, H-1)

β-D-Glcp: 5.40 (d, J = 7.9, H-1) [1]

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

Table 1

C-1

39.0

C-16

25.1

Ara-1

107.4

2

26.7

17

48.2

2

71.9

3

88.8

18

53.7

3

84.2

4

40.0

19

39.6

4

69.3

5

56.0

20

39.5

5

66.9

6

18.5

21

31.2

Glc-1

106.3

7

33.6

22

37.6

2

75.7

8

40.0

23

28.2

3

78.4

9

48.1

24

17.0

4

71.6

10

37.0

25

15.7

5

78.7

11

23.7

26

17.5

6

62.7

12

125.5

27

23.9

   

13

139.5

28

180.5

   

14

42.6

29

17.6

   

15

28.8

30

21.5

   

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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