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Details

Stereochemistry ABSOLUTE
Molecular Formula C15H18O4
Molecular Weight 262.301
Optical Activity UNSPECIFIED
Defined Stereocenters 6 / 6
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of HELENALIN

SMILES

[H][C@@]12C[C@@H](C)[C@]3([H])C=CC(=O)[C@@]3(C)[C@@H](O)[C@]1([H])C(=C)C(=O)O2

InChI

InChIKey=ZVLOPMNVFLSSAA-XEPQRQSNSA-N
InChI=1S/C15H18O4/c1-7-6-10-12(8(2)14(18)19-10)13(17)15(3)9(7)4-5-11(15)16/h4-5,7,9-10,12-13,17H,2,6H2,1,3H3/t7-,9+,10-,12-,13+,15+/m1/s1

HIDE SMILES / InChI

Molecular Formula C15H18O4
Molecular Weight 262.301
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 6 / 6
E/Z Centers 0
Optical Activity UNSPECIFIED

Approval Year

Substance Class Chemical
Created
by admin
on Fri Dec 15 19:44:05 UTC 2023
Edited
by admin
on Fri Dec 15 19:44:05 UTC 2023
Record UNII
4GUY9L896T
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
HELENALIN
HSDB   MI  
Common Name English
6.ALPHA.,8.BETA.-DIHYDROXY-4-OXOAMBROSA-2,11(13)-DIEN-12-OIC ACID 12,8-LACTONE
Common Name English
(-)-HELENALIN
Common Name English
HELENALIN [MI]
Common Name English
HELENALIN [HSDB]
Common Name English
(3AS-(3A.ALPHA.,4.ALPHA.,4A.BETA.,7A.ALPHA.,8.ALPHA.,9A.ALPHA.))-3,3A,4,4A,7A,8,9,9A-OCTAHYDRO-4-HYDROXY-4A,8-DIMETHYL-3-METHYLENEAZULENO(6,5-B)FURAN-2,5-DIONE
Common Name English
NSC-85236
Code English
Code System Code Type Description
HSDB
3490
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
PUBCHEM
23205
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
WIKIPEDIA
HELENALIN
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
MESH
C001329
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
NSC
85236
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
EPA CompTox
DTXSID50217868
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
FDA UNII
4GUY9L896T
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
CAS
6754-13-8
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY
MERCK INDEX
m5931
Created by admin on Fri Dec 15 19:44:05 UTC 2023 , Edited by admin on Fri Dec 15 19:44:05 UTC 2023
PRIMARY Merck Index
Related Record Type Details
TARGET -> INHIBITOR
Helenalin selectively alkylates p65 subunit at Cys38 [27, 63]. Formation of this covalent bond sterically prevents the p50/p65 heterodimer from binding to DNA and therefore inhibits its transcriptional activation.
TARGET -> INHIBITOR
PARENT -> ACTIVE CONSTITUENT ALWAYS PRESENT
TARGET -> INHIBITOR
Helenalin binds to Cys445 of telomerase in the Michael-type addition reaction, disturbing recognition of the telomere DNA at the telomerase active site and causing suppression of the enzyme activity.
PARENT -> ACTIVE CONSTITUENT ALWAYS PRESENT