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11α-HYDROXY-25R-INOKOSTERONE

Year of first isolation:	2025
Formula:	C₂₉H₄₈O₈
Molecular weight:	496
Occurence in plants:
Leuzea uniflora [Asteraceae] »
Occurence in animals:

11α-HYDROXY-25R-INOKOSTERONE

STRUCTURE DESCRIPTORS

MASS SPECTRUM

EI-MS m/z (relative intensity %)
CI-MS (NH₃) m/z	HRESIMS (positive ion mode) m/z

CARBON NMR

PROTON NMR

C₅D₅N
01	39.5
02	68.1
03	68.4
04	32.8
05	52.4
06	203.9
07	122.2
08	164.3
09	42.7
10	39.8
11	68.8
12	44.1
13	48.1
14	84.2
15	31.6
16	21.4
17	49.9
18	18.9
19	24.8
20	76.7
21	21.5
22	76.6
23	30.0
24	31.8
25	36.4
26	68.0
27	17.0

DMSO-d₆
01	38.7
02	67.2
03	67.4
04	32.5
05	51.5
06	203.7
07	121.3
08	163.9
09	41.7
10	40.5
11	67.9
12	42.9
13	47.3
14	83.3
15	30.8
16	20.7
17	48.9
18	18.5
19	24.6
20	76.0
21	29.3
22	76.0
23	29.3
24	31.0
25	35.9
26	67.1
27	17.1

DMSO-d₆
01-Ha	2.52 (dd,12.4, 4.0)
01-Hb	1.20 (m)
02-Ha	3.83 (dt, 12.4, 4.4, 3.2)
03-He	3.81 (q, 3.0)
04-Ha	1.50 (m)
04-Hb	1.66 (m)
05-H	2.20 (dd, 13.2, 3.7)
07-H	5.66 (d, 2.3)
09-H	3.02 (dd, 8.8, 2.3)
11-H	3.94 (m)
12-Ha	2.10 (dd, 12.1, 5.7)
12-Hb	2.01 (m)
15-Ha	1.50 (m)
15-Hb	1.84 (m)
16-Ha	1.60 (m)
16-Hb	1.91 (m)
17-H	2.30 (t, 9.1)
18-Me	0.79 (s)
19-Me	0.96 (s)
21-Me	1.12 (s)
22-H	3.19 (dd, 10.4, 5.3)
23-Ha	1.20 (m)
23-Hb	1.40 (m)
24-Ha	1.30 (m)
24-Hb	1.40 (m)
26-Ha	3.30 (dd, 10.5, 1.6)
26-Hb	3.23 (dd, 10.5, 6.7)
27-Me	0.87 (d)

PHYSICAL PROPERTIES

M.P.	â€” Â°C ;
[α]_D²⁰	+33 (c 0.1 ; MeOH)
IR (KBr) ν _max (cm^-1)
UV (MeOH) λ _max (log ε)	233, 332 nm (-) ;

CHROMATOGRAPHY

TLC
GLC
HPLC
HPTLC

BIOLOGICAL ACTIVITIES

REFERENCES

First isolation

DU, W. et al. (2025) org/10. 1080/14786419.2025.2502855

Permanent link to this datasheet: 11α-HYDROXY-25R-INOKOSTERONE

see Important notice
© Université Pierre & Marie Curie, Paris 6, France
© Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
© Institut National de la Recherche Agronomique, Versailles, France
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