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Details

Stereochemistry ACHIRAL
Molecular Formula C18H24N2O2S.CH4O3S
Molecular Weight 428.566
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 1
Charge 0

SHOW SMILES / InChI
Structure of DARBUFELONE MESYLATE

SMILES

CS(O)(=O)=O.CC(C)(C)C1=CC(=CC(=C1O)C(C)(C)C)\C=C2/SC(=N)NC2=O

InChI

InChIKey=BAZGFSKJAVQJJI-CHHCPSLASA-N
InChI=1S/C18H24N2O2S.CH4O3S/c1-17(2,3)11-7-10(8-12(14(11)21)18(4,5)6)9-13-15(22)20-16(19)23-13;1-5(2,3)4/h7-9,21H,1-6H3,(H2,19,20,22);1H3,(H,2,3,4)/b13-9-;

HIDE SMILES / InChI

Molecular Formula C18H24N2O2S
Molecular Weight 332.46
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Molecular Formula CH4O3S
Molecular Weight 96.106
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Darbufelone mesylate is a dual inhibitor of cellular prostaglandin and leukotriene production. Darbufelone potently inhibits PGHS-2 (IC50 = 0.19 uM) but is much less potent with PGHS-1 (IC50= 20 uM). Darbufelone is a dual inhibitor of cellular PGF2R and LTB4 production. Darbufelone is orally active and nonulcerogenic in animal models of inflammation and arthritis. Darbufelone mesylate was in phase III clinical trials by Pfizer and Zhuhai United Laboratories for the treatment of rheumatoid arthritis.

Originator

Curator's Comment: # Pfizer

Approval Year

Targets

Targets

Primary TargetPharmacologyConditionPotency
0.19 µM [IC50]
0.77 µM [IC50]
Conditions
Sourcing

Sourcing

Vendor/AggregatorIDURL

Sample Use Guides

Mice were administered Darbufelone by gavage at doses of 20, 40, and 80 mg/kg/day. When mice are treated with Darbufelone at dosage of 80 mg/kg/day, the tumor volumes decrease in a time-dependent manner. In contrast, lower dose of Darbufelone (20 or 40 mg/kg/day) dos not show any significant inhibition of tumor weight.
Route of Administration: Oral
In cyclooxygenase assays following a 15-min incubation of enzyme with inhibitor, darbufelone potently inhibits PGHS-2 (IC(50) = 0.19 uM) but is much less potent with PGHS-1 (IC(50) = 20 uM.
Substance Class Chemical
Created
by admin
on Fri Dec 15 16:28:11 UTC 2023
Edited
by admin
on Fri Dec 15 16:28:11 UTC 2023
Record UNII
5I2Y40C5PX
Record Status Validated (UNII)
Record Version
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Name Type Language
DARBUFELONE MESYLATE
USAN  
USAN  
Official Name English
DARBUFELONE MESILATE
Common Name English
5-[(Z)-3,5-Di-tert-butyl-4-hydroxybenzylidene]-2-imino-4-thiazolidinone monomethanesulfonate (salt)
Common Name English
(Z)-2-AMINO-5-((3,5-BIS(1,1-DIMETHYLETHYL)-4-HYDROXYPHENYL)METHYLENE)-4(5H)-THIAZOLONE MONOMETHANESULPHONATE (SALT)
Common Name English
DARBUFELONE MESYLATE [USAN]
Common Name English
(Z)-2-AMINO-5-((3,5-BIS(1,1-DIMETHYLETHYL)-4-HYDROXYPHENYL)METHYLENE)-4(5H)-THIAZOLONE MONOMETHANESULFONATE (SALT)
Common Name English
5-((Z)-3,5-DI-TERT-BUTYL-4-HYDROXYBENZYLIDENE)-2-IMINO-4-THIAZOLIDINONE MONOMETHANESULPHONATE (SALT)
Common Name English
CI-1004
Code English
Classification Tree Code System Code
NCI_THESAURUS C1323
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
Code System Code Type Description
CAS
139340-56-0
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
EPA CompTox
DTXSID0047246
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
FDA UNII
5I2Y40C5PX
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
NCI_THESAURUS
C81062
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
USAN
KK-06
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
ChEMBL
CHEMBL275835
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
PUBCHEM
6439420
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
MESH
C109268
Created by admin on Fri Dec 15 16:28:11 UTC 2023 , Edited by admin on Fri Dec 15 16:28:11 UTC 2023
PRIMARY
Related Record Type Details
PARENT -> SALT/SOLVATE
Related Record Type Details
ACTIVE MOIETY