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MAKISTERONE B

Year of first report:1968
Formula:C28H46O7
Molecular weight:494
Occurence in plants:
Podocarpus macrophyllus [Podocarpaceae] » Images of Podocarpus macrophyllus Wikipedia: <br />
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Occurence in animals:
 
MAKISTERONE B

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %)476 (M - 18)+, 363, 345, 131 (19), 113 (94), 95 (34), 43 (100).
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
01 
02 
03 
04 
05 
06 
07 
08 
09 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
C5D5N
01-Ha 
01-He 
02-Ha 
03-He 
04-Ha 
04-He 
05-H 
07-H 
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me1.16 (s )
19-Me1.04 (s )
21-Me1.54 (s )
22-H 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-CH2-OH 
27-Me1.00 (d, 6)
28-Me1.05 (d, 6) or 0.90

PHYSICAL PROPERTIES

M.P.172-173 ░C
[α]D20+ 53.2░ (dioxane)
IR (KBr) ν max (cm-1)3400 (OH), 1660, 1630 (cyclohexenone)
UV (MeOH) λ max (log ε)243 (4.041)

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationIMAI, S. et al. (1968) Tetrahedron Lett., 3883-3886 Search more
GeneralIMAI, S. et al. (1968) Tetrahedron Lett., 3887-3890 Search more

see Important notice
© UniversitÚ 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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