Advertisement

Castanopsinin A1

Reference work entry

Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 2α,3β,23,24-Tetrahydroxy-olean-12-en-28-oic Acid

Biological source: Castanopsis cuspidata [1]

C50H64O19: 968.404

[α]D20 + 70.8° (c 0.40, MeOH) [1]

FAB-MSm/z: 967 (M-H) [1]

1H NMR (100 MHz, J/Hz, C5D5N): 7.18, 7.28 (s, HHDP-H) [1]

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

Table 1

C-1

47.7

Glc-1

95.7

HHDP-5

137.6

2

68.3

2

74.1

 

(2C)

3

78.8

3

78.8

COO-

169.4

4

48.8

4

71.2

 

169.6

5

57.4

5

79.1

   

6

20.0

6

62.2

   

7

33.8

HHDP-1

116.4

   

8

39.7

 

(2C)

   

9

47.6

2

127.4

   

10

38.1

 

127.6

   

12

122.8

3

107.3

   

13

144.1

 

108.3

   

23

71.2

4,6

146.0

   

24

62.2

 

(2C)

   

28

176.4

 

146.4

   
     

146.6

   

References

  1. 1.
    M. Ageta, G.-I. Nonaka, I. Nishioka, Chem. Pharm. Bull. 36(5), 1646 (1988)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations