Rosamultin

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Ursene Type – 2α,3β,19α-Trihydroxy-ursolic Acid

Biological source: Rosa multiflora [1], Aphloia theiformis [2], Musanga cecropioides [3], Rosa laevigata [4], Sanguisorba alpina [5], Combretum quadrangulare [6]

C36H58O10: 650.402

Mp: 207–209°C [1]

[α]D25 + 15° (c 1.1, MeOH) [4]

EI-MSm/z: 488 [M-Glc]+, 449, 370, 264, 246, 218, 201, 187, 146 [5]

13 C NMR (100 MHz, C 5D 5N): [ 5]

Table 1

C-1

47.9

C-16

26.1

Glc-1

95.8

2

68.6

17

48.6

2

74.0

3

83.9

18

54.4

3

78.9

4

38.5

19

72.7

4

71.3

5

56.0

20

42.1

5

79.2

6

19.1

21

27.0

6

62.4

7

33.5

22

37.7

   

8

40.6

23

29.2

   

9

48.0

24

17.5

   

10

39.6

25

17.6

   

11

24.2

26

17.0

   

12

128.4

27

24.6

   

13

139.3

28

176.9

   

14

42.1

29

26.7

   

15

29.4

30

16.7

   

References

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