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2D Structure
Also known as: Valemetostat tosylayte, 1809336-93-3, Valemetostat (tosylate), 6n79i7x5ii, 1809336-93-3 (tosylate), Valemetostat tosilate (jan)
Molecular Formula
C33H42ClN3O7S
Molecular Weight
660.2  g/mol
InChI Key
JSBKGJUYSLVFPF-RRKMXGHKSA-N
FDA UNII
6N79I7X5II

Valemetostat Tosylate is the tosylate form of valemetostat, an orally available selective inhibitor of the histone lysine methyltransferases enhancer of zeste homolog 1 (EZH1) and 2 (EZH2), with potential antineoplastic activity. Upon oral administration, valemetostat selectively inhibits the activity of both wild-type and mutated forms of EZH1 and EZH2. Inhibition of EZH1/2 specifically prevents the methylation of lysine 27 on histone H3 (H3K27). This decrease in histone methylation alters gene expression patterns associated with cancer pathways, enhances transcription of certain target genes, and results in decreased proliferation of EZH1/2-expressing cancer cells. EZH1/2, histone lysine methyltransferase (HMT) class enzymes and catalytic subunits of the polycomb repressive complex 2 (PRC2), are overexpressed or mutated in a variety of cancer cells and play key roles in tumor cell proliferation, progression, stem cell self-renewal and migration.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(2R)-7-chloro-2-[4-(dimethylamino)cyclohexyl]-N-[(4,6-dimethyl-2-oxo-1H-pyridin-3-yl)methyl]-2,4-dimethyl-1,3-benzodioxole-5-carboxamide;4-methylbenzenesulfonic acid
2.1.2 InChI
InChI=1S/C26H34ClN3O4.C7H8O3S/c1-14-11-15(2)29-25(32)20(14)13-28-24(31)19-12-21(27)23-22(16(19)3)33-26(4,34-23)17-7-9-18(10-8-17)30(5)6;1-6-2-4-7(5-3-6)11(8,9)10/h11-12,17-18H,7-10,13H2,1-6H3,(H,28,31)(H,29,32);2-5H,1H3,(H,8,9,10)/t17?,18?,26-;/m1./s1
2.1.3 InChI Key
JSBKGJUYSLVFPF-RRKMXGHKSA-N
2.1.4 Canonical SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.CC1=CC(=C(C(=O)N1)CNC(=O)C2=CC(=C3C(=C2C)OC(O3)(C)C4CCC(CC4)N(C)C)Cl)C
2.1.5 Isomeric SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.CC1=CC(=C(C(=O)N1)CNC(=O)C2=CC(=C3C(=C2C)O[C@@](O3)(C)C4CCC(CC4)N(C)C)Cl)C
2.2 Other Identifiers
2.2.1 UNII
6N79I7X5II
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. Valemetostat Tosylayte

2. 1809336-93-3

3. Valemetostat (tosylate)

4. 6n79i7x5ii

5. 1809336-93-3 (tosylate)

6. Valemetostat Tosilate (jan)

7. Valemetostat Tosilate [jan]

8. (2r)-7-chloro-2-[trans-4-(dimethylamino)cyclohexyl]-n-[(4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl]-2,4-dimethyl-1,3-benzodioxole-5-carboxamide Tosylate

9. 1,3-benzodioxole-5-carboxamide, 7-chloro-n-((1,2-dihydro-4,6-dimethyl-2-oxo-3-pyridinyl)methyl)-2-(trans-4-(dimethylamino)cyclohexyl)-2,4-dimethyl-, (2r)-, Compd. With 4-methylbenzenesulfonate (1:1)

10. Ds-3201 Tosylate

11. Valemetostat Tosilate

12. Unii-6n79i7x5ii

13. Chembl4594405

14. Schembl18393873

15. Hy-109108a

16. Cs-0101884

17. D11662

18. (2r)-7-chloro-2-[4-(dimethylamino)cyclohexyl]-n-[(4,6-dimethyl-2-oxo-1h-pyridin-3-yl)methyl]-2,4-dimethyl-1,3-benzodioxole-5-carboxamide;4-methylbenzenesulfonic Acid

19. (r)-7-chloro-n-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-((1r,4r)-4-(dimethylamino)cyclohexyl)-2,4-dimethylbenzo[d][1,3]dioxole-5-carboxamide 4-methylbenzenesulfonate

20. (r)-7-chloro-n-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-((1r,4r)-4-(dimethylamino)cyclohexyl)-2,4-dimethylbenzo[d][1,3]dioxole-5-carboxamide4-methylbenzenesulfonate

2.4 Create Date
2017-04-22
3 Chemical and Physical Properties
Molecular Weight 660.2 g/mol
Molecular Formula C33H42ClN3O7S
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count8
Rotatable Bond Count6
Exact Mass659.2431996 g/mol
Monoisotopic Mass659.2431996 g/mol
Topological Polar Surface Area143 Ų
Heavy Atom Count45
Formal Charge0
Complexity1090
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2