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Details

Stereochemistry ABSOLUTE
Molecular Formula C29H37N3O3.C7H8O3S
Molecular Weight 647.824
Optical Activity UNSPECIFIED
Defined Stereocenters 1 / 1
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of MK-3281 tosylate

SMILES

CC1=CC=C(C=C1)S(O)(=O)=O.CN(C)CCN(C)[C@H]2COC3=CC=CC=C3C4=C(C5CCCCC5)C6=C(C=C(C=C6)C(O)=O)N4C2

InChI

InChIKey=XFPXFBQQEOGJKE-VZYDHVRKSA-N
InChI=1S/C29H37N3O3.C7H8O3S/c1-30(2)15-16-31(3)22-18-32-25-17-21(29(33)34)13-14-23(25)27(20-9-5-4-6-10-20)28(32)24-11-7-8-12-26(24)35-19-22;1-6-2-4-7(5-3-6)11(8,9)10/h7-8,11-14,17,20,22H,4-6,9-10,15-16,18-19H2,1-3H3,(H,33,34);2-5H,1H3,(H,8,9,10)/t22-;/m1./s1

HIDE SMILES / InChI

Molecular Formula C7H8O3S
Molecular Weight 172.202
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Molecular Formula C29H37N3O3
Molecular Weight 475.6224
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 1 / 1
E/Z Centers 0
Optical Activity UNSPECIFIED

MK-3281 is a potent and orally bioavailable inhibitor of HCV NS5B polymerase which combined excellent cell-based potency with good pharmacokinetic properties in preclinical species. MK-3281 was efficacious in the chimeric mouse model of HCV infection.

Approval Year

PubMed

PubMed

TitleDatePubMed
In vitro efficacy of approved and experimental antivirals against novel genotype 3 hepatitis C virus subgenomic replicons.
2013-11
Discovery of (7R)-14-cyclohexyl-7-{[2-(dimethylamino)ethyl](methyl) amino}-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylic acid (MK-3281), a potent and orally bioavailable finger-loop inhibitor of the hepatitis C virus NS5B polymerase.
2011-01-13
Patents
Substance Class Chemical
Created
by admin
on Wed Apr 02 19:28:32 GMT 2025
Edited
by admin
on Wed Apr 02 19:28:32 GMT 2025
Record UNII
CYN8S9FMW3
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
MK-3281 tosylate
Code English
MK-3281 TOLUENESULFONATE
Preferred Name English
6H-Indolo[1,2-e][1,5]benzoxazocine-11-carboxylic acid, 14-cyclohexyl-7-[[2-(dimethylamino)ethyl]methylamino]-7,8-dihydro-, (7R)-, 4-methylbenzenesulfonate (1:1)
Systematic Name English
Code System Code Type Description
PUBCHEM
171390153
Created by admin on Wed Apr 02 19:28:32 GMT 2025 , Edited by admin on Wed Apr 02 19:28:32 GMT 2025
PRIMARY
CAS
1267498-35-0
Created by admin on Wed Apr 02 19:28:32 GMT 2025 , Edited by admin on Wed Apr 02 19:28:32 GMT 2025
PRIMARY
FDA UNII
CYN8S9FMW3
Created by admin on Wed Apr 02 19:28:32 GMT 2025 , Edited by admin on Wed Apr 02 19:28:32 GMT 2025
PRIMARY
Related Record Type Details
PARENT -> SALT/SOLVATE
Related Record Type Details
ACTIVE MOIETY