Cycloartan-3,23,29-triol 3,29-disodium sulfate

Reference work entry

C₃₀H₅₀O₉S₂Na₂ M 664 Open image in new window

Taxonomy: Cycloartane Triterpenoids

Tydemania expeditionis Weber van Bosse (Udoteaceae) [1].

Mp 203–204°C, [α]_D +20.5° (c 0.2).

IR ν_max, cm⁻¹: 3453, 1464, 1376, 1224–1247.

Negative HRFABMS m/z: 641.2824 [M-Na] ⁻.

Table 1

δ_C (CD₃OD)		δ_H (J/Hz) (CD₃0D)	δ_C (CD₃OD)		δ_H (J/Hz) (CD₃OD)
C-1	32.6	1.55 m, 1.28 m	C-16	28.2	1.84 m, 1.30 m
2	27.6	2.26 m, 1.75 m	17	54.5	1.53 m
3	80.8	4.46 dd (13, 5)	18	18.7	1.04 s
4	44.6	–	19	30.8	0.39 d (2.5), 0.58 d (2.5)
5	42.1	1.83 d (7,2)	20	33.7	1.7 m
6	21.5	1.73 m, 0.85 m	21	18.9	0.91 d (7)
7	29.2	1.55 m, 1.24 m	22	49.3	1.36 m, 1.13 m
8	49.6	1.52 dd (13, 5)	23	67.7	3.72 m
9	21.2	–	24	46.0	1.50 m, 0.95 m
10	26.6	–	25	25.8	1.30 m
11	26.8	2.02 m, 1.12 m	26	23.6	0.91 d (7)
12	36.7	1.26 m (2H)	27	22.7	0.91 d (7)
13	46.7	–	28	19.8	0.94 s
14	50.1	–	29	69.8	4.02 d (11), 3.76 d (11)
15	34.3	2.04 m, 1.70 m	30	11.7	0.85 s

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References

1.
M. Govindan, S.A. Abbas, F.J. Schmitz, R.H. Lee, J.S. Papkoff, D.L. Slate, J. Nat. Prod. 57(1), 74–78 (1994)CrossRefGoogle Scholar