Astraverrucin I (See Cycloaraloside A)

Reference work entry

C₃₆H₆₀O₁₀, M 652 Open image in new window

Taxonomy: Cycloartane Glycosides

Astragalus verrucosus Moris. (Leguminosae) [1].

Astragalus peregrinus (Leguminosae) [2].

Mp 225–227°C [2], [α]_D²⁰ + 10.52° (c 0.75, C₅H₅N) [1].

CAS Registry Number: 126640-90-2.

FABMS m/z: 675 [M + Na]⁺, 653 [M + H]⁺ [1].

EIMS m/z (%): 454 (1.60), 395 (1.52), 199 (2.20), 143 (100), 125 (23.56), 107 (6.37) [ 1].

Table 1

δ_C (C₅D₅N) [2]		δ_H (C₅D₅N)	δ_C (C₅D₅N)		δ_H (C₅D₅N)
C-1	32.3	1.53 dd (13.2, 10.7, 4),	C-19	30.5	0.22 and 0.55 d (4.3)
		1.08 dt (10.3, 3.5)	20	87.2	–
2	30.2	2.46 m, 1.92 dt (12.7, 3.7)	21	28.5	1.30 s
3	88.9	3.65 dd (11.7, 4.5)	22	34.9	3.11 ddd (11.3, 9.2, 12.3),
4	42.6	–			1.70 m
5	54.0	1.70 d (7.7)	23	26.4	2.29 dddd (13, 5.7, 3, 11.3),
6	68.0	3.76 ddd (9.4, 7.5, 3.5)			2.02 ddt (9, 9.4, 13)
7	38.6	1.80 ddd (12.3, 8.4, 4.1),	24	81.6	3.88 dd (9.4, 5.7)
		1.63 m	25	71.2	–
8	47.0	1.95 dd (11.3, 4.7)	26	28.2	1.57 s
9	20.9	–	27	27.1	1.25 s
10	29.5	–	28	20.1	1.00 s
11	26.2	1.91...

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References

1.
L. Pistelli, S. Pardossi, G. Flamini, A. Bertoli, A. Manunta, Phytochemistry 45(3), 585–587 (1997)CrossRefGoogle Scholar
2.
L. Verotta, M. Guerrini, N.A. El-Sebakhy, A.M. Asaad, S.M. Toaima, M.E. Abou-Sheer, Y.D. Luo, J.M. Pezzuto, Fitoterapia 72(8), 894–905 (2001)CrossRefGoogle Scholar