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2,25-DIDEOXY-MAKISTERONE A

Year of first isolation: 2022
Formula:C28H46O5
Molecular weight:462
Occurence in plants:
Aspergillus hiratsukae [Fungi] » Images of Aspergillus hiratsukae Wikipedia: Aspergillus hiratsukae [Fungi]
Occurence in animals:
 
2,25-DIDEOXY-MAKISTERONE A

STRUCTURE DESCRIPTORS

Canonical SMILES 
Isomeric SMILES
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C[C@@]12[C@@](C(C=C3C2CC[C@@]4(C)[C@@]3(O)CC[C@]4([H])[C@](C)([C@H](O)C[C@@H](C)C(C)C)O)=O)([H])C[C@@H](O)CC1 » JSMol: View in 3D
IUPAC Name(3S,5R,10R,13R,14S,17S)-17-((2R,3R,5R)-2,3-dihydroxy-5,6-dimethylheptan-2-yl)-3,14-dihydroxy-10,13-dimethyl-1,2,3,4,5,9,10,11,12,13,14,15,16,17-tetradecahydro-6H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
RGSGEJNGTGIWQK-QMVCPGGVSA-N
InChIInChI=1S/C28H46O5/c1-16(2)17(3)13-24(31)27(6,32)23-9-12-28(33)20-15-22(30)21-14-18(29)7-10-25(21,4)19(20)8-11-26(23,28)5/h15-19,21,23-24,29,31-33H,7-14H2,1-6H3/t17-,18+,19?,21+,23+,24-,25-,26-,27-,28-/m1/s1

MASS SPECTRUM

CI-MS (NH3) m/z  
LRESIMS (negative ion mode) m/z463.1 [M+H]+
EI-MS m/z (relative intensity %)

CARBON NMR

PROTON NMR

DMSO-d6
0133.2
0230.5
0367.9
0434.3
0555.9
06201.3
07120.2
08165.6
0932.7
1036.0
1119.8
1230.9
1346.9
1482.9
1530.3
1620.3
1748.6
1817.1
1923.2
2075.7
2120.7
2273.4
2336.2
2434.9
2528.7
2621.0
2721.0
2815.4
DMSO-d6
01-Ha1.56 (m)
01-Hb1.31 (d, 11.3)
02-Ha1.72 (d, 4.6)
02-Hb1.45 (d, 4.9)
03-He3.40 (dd, 10.8, 4.4)
04-Ha1.70 (m)
04-Hb1.51 (m)
05-H1.89 (d, 3.3)
07-H5.62 (d, 2.4)
09-H1.87 (d, 4.1)
11-Ha1.45 (d, 4.5)
11-Hb1.56 (m)
12-Ha1.69 (m)
12-Hb2.20 (m)
15-Ha1.77 (m)
15-Hb1.53 (d, 8.7)
16-Ha1.69 (m)
16-Hb2.20 (m)
17-H2.24 (t, 8.7)
18-Me0.76 (s)
19-Me0.80 (s)
21-Me1.04 (s)
22-H3.25 (dd, 8.9, 5.4)
23-Ha0.97 (dd, 8.2, 4.1)
23-Hb1.37 (m)
24-H1.59 (m)
25-H1.23 (m)
26-Me0.73 (d, 6.9)
27-Me0.86 (d, 6.9)
28-Me0.77 (d, 7.0)

PHYSICAL PROPERTIES

M.P.— °C ;
[α]D25+64.3° (c 0.1 ; MeOH)
IR (KBr) ν max (cm-1)
UV (MeOH) λ max (log ε)– nm (-) ;

CHROMATOGRAPHY

TLC
GLC
HPTLC
HPLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationZENG, Q. et al. (2022) Mar. Drugs 20, 150 Search more

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© Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
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