·

·

REPTANSLACTONE B

Year of first report:	2009
Formula:	C₂₉H₄₄O₉
Molecular weight:	536
Occurence in plants:
Ajuga reptans var. reptans [Lamiaceae (alt. Labiatae)] »
Occurence in animals:

REPTANSLACTONE B

MASS SPECTRUM

CI-MS (NH₃) m/z	HR-ESIMS
ESI-MS m/z (relative intensity %)

CARBON NMR

PROTON NMR

CD₃OD
01	37.5
02	68.8
03	68.7
04	33.0
05	52.0
06	206.8
07	122.0
08	168.6
09	35.3
10	39.4
11	21.7
12	32.5
13	48.9
14	85.2
15	31.8
16	22.0
17	50.7
18	18.7
19	24.5
20	77.4
21	21.5
22	72.9
23	87.2
24	81.2
25	44.3
26	180.2
27	9.4
28	28.2
29	8.4

C₅D₅N
01	38.4
02	68.5
03	68.5
04	33.0
05	51.9
06	204.0
07	121.6
08	167.2
09	34.9
10	39.0
11	21.5
12	32.3
13	48.6
14	84.4
15	32.0
16	22.1
17	50.4
18	18.8
19	24.9
20	76.8
21	22.2
22	72.5
23	87.5
24	80.6
25	43.9
26	178.6
27	9.9
28	28.3
29	9.1

CD₃OD
01-Ha	1.42
01-He	1.79
02-Ha	3.86
03-He	3.95
04-Ha	1.70
04-He	1.75
05-H	2.37
07-H	5.79
09-H	3.17
11-Ha	1.68
11-He	1.80
12-Ha	2.20
12-He	1.88
14-OH	6.38
15-Ha	1.58
15-Hb	1.96
16-Ha	1.71
16-Hb	2.00
17-H	2.73
18-Me	0.89
19-Me	0.96
21-Me	1.33 (s)
22-H	3.54 (d, 9.7)
22-OH	6.88 (s)
23-H	4.14 (d, 9.7)
24-OH	6.49 (s)
25-H	2.605 (q, 7.3)
27-Me	1.18 (d, 7.3)
28-Ha	1.73
28-Hb	1.93
29-Me	1.04 (t, 7.3)

C₅D₅N
01-Ha	1.97
01-He	2.18
02-Ha	4.31
03-He	4.31
04-Ha	1.94
04-He	2.14
05-H	3.08
07-H	6.31
09-H	3.68
11-Ha	1.73
11-He	1.85
12-Ha	2.73
12-He	2.00
15-Ha	1.95
15-Hb	2.20
16-Ha	2.17
16-Hb	2.49
17-H	3.54
18-Me	1.25
19-Me	1.11
21-Me	1.72 (S)
22-H	4.12 (d, 9.5)
23-H	4.81 (d, 9.5)
25-H	2.90 (q, 7.2)
27-Me	1.48
28-Ha	2.01
28-Hb	2.34 (dq, 14.4, 7.3)
29-Me	1.35 (q, 7.3)

PHYSICAL PROPERTIES

M.P.	°C ;
[α]_D²⁵	+ 3 ° (c 0.1; MeOH)
IR (KBr) ν _max (cm^-1)
UV (EtOH) λ _max (log ε)	242 (3.5952) ;

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

REFERENCES

First isolation

VÁNYOLÓS, A. et al. (2009) J. Nat. Prod. in press

Permanent link to this datasheet: REPTANSLACTONE B

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
designed by Cybersales a.s.

Powered by Cybersales

PRINTER READY | MEDIUM | WIDE