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Momordicoside I

Reference work entry

CAS Registry Number: 81371-55-3 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – 5,19-Epoxy-5β-cucurbita-6,23-diene-3β,25-diol

Biological source: Momordica charantia [1]

C36H58O8: 618.413

Mp: 210–216°C [1]

[α]D26 − 110.2° (c 1.00, MeOH) [1]

CD [θ]20116: −120200° (c, 0.54 × 10−4 g/ml, MeOH) [1]

1H NMR (J/Hz): 3.69 (brs, H-3), 6.19 (brd, J = 10.0, H-6), 5.54 (dd, J = 10.4), 3.58 (d, J = 8.0, Hα-19), 3.74 (d, J = 8.0, Hβ-19), 5.92 (brs, H-23), 5.92 (H-24), 0.76, 0.84, 0.92, 1.51, 1.53, 1.53 (s, CH3 × 6)

β-D-Glcp: 4.89 (d, J = 8.0, H-1) [1]

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

Table 1

C-3

69.7

Glc-1

106.8

4

39.0

2

75.7

5

80.0

3

78.3

6

124.1

4

71.8

7

134.1

5

78.3

9

45.2

6

63.0

13

45.3

   

14

48.8

   

23

129.9

   

24

141.6

   

References

  1. 1.
    H. Okabe, Y. Miyahara, T. Yamauchi, Chem. Pharm. Bull. 30, 3977 (1982)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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