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PONASTERONE C 2-CINNAMATE

Year of first isolation: 1972
Formula:C36H50O9
Molecular weight:626
Occurence in plants:
Dacrydium intermedium [Podocarpaceae] » Images of Dacrydium intermedium Wikipedia: Dacrydium intermedium [Podocarpaceae]
Occurence in animals:
 
PONASTERONE C 2-CINNAMATE

STRUCTURE DESCRIPTORS

Canonical SMILESCC(C)C(CC(C(C)(C1CCC2(C1(CCC3C2=CC(=O)C4(C3(CC(C(C4)O)OC(=O)C=CC5=CC=CC=C5)C)O)C)O)O)O)O
Isomeric SMILES
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C1[C@]2([C@@](C[C@H]([C@H]1OC(=O)/C=C/c1ccccc1)O)(C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](C[C@@H](C(C)C)O)O)O)O)C)O)C » JSMol: View in 3D
IUPAC Name[(9R,10R,13R,14S,17S)-3,5,14-trihydroxy-10,13-dimethyl-6-oxo-17-[(2R)-2,3,5-trihydroxy-6-methylheptan-2-yl]-1,2,3,4,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-2-yl] (E)-3-phenylprop-2-enoate
CAS-RN 
PubChem CID102154500
InChiKey
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PKJZKRZLTGYWSS-VUWYGYBKSA-N
InChIInChI=1S/C36H50O9/c1-21(2)25(37)18-29(39)34(5,42)28-14-16-35(43)24-17-30(40)36(44)19-26(38)27(20-33(36,4)23(24)13-15-32(28,35)3)45-31(41)12-11-22-9-7-6-8-10-22/h6-12,17,21,23,25-29,37-39,42-44H,13-16,18-20H2,1-5H3/b12-11+/t23-,25?,26?,27?,28-,29?,32+,33+,34+,35+,36?/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %)608 [M-18]+, 590, 572, 554, 510 [M - 116 (side chain)]+, 442 [M - 148 (cinnamic acid) - 36]+, 361 [M-148 - 117]+, 148 (cinnamic acid), 147 (100) (cinnamoyl-oxy), 131 (cinnamoyl).
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 
CDCl3
01-Ha 
01-Hb 
02-Ha5.16 (m, w1/2=20)
03-He4.18 (m, w1/2=9)
04-Ha 
04-He 
05-H 
07-H5.96
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.87 (s )
19-Me0.92 (s )
21-Me1.22 (s )
22-H 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-Me0.92 (d, 6)
27-Me0.92 (d, 6)
aromatc7.37
vinylic6.51 (d, 16), 7.70 (d, 16)

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1)3380, 1700 (carbonyl), 1670, 1640
UV (EtOH) λ max (log ε)276 (4.283), 250 (sh), 224 (4.267), 218 (4.283)

CHROMATOGRAPHY

HPTLC 
TLCNP-TLC on silica gel : Rf 0.57 (CHCl3-EtOH, 9:1), Rf 0.65 (CHCl3-EtOH, 4:1). RP-TLC on paraffin-coated silica gel Rf 0.0 (MeOH-H2O, 50:50); RP-TLC on C18-bonded silica gel Rf 0.0 (MeOH-H2O, 65:35)
GLCdecomposes on silylation
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationRUSSEL, G.B. et al. (1972) Aust. J. Chem. 25, 1935-1941 Search more
GeneralWILSON, I.D. et al. (1985) J. Chromatogr. 318, 373-377 Search more

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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