The present invention provides a compound of the Formula II: wherein A is: * R 1 is CH3, CF 3, or F; * R 2 is H, CH3, or F; * R 3 is CH3, OCH 3, OH, F; R 4 is OH or CH 20H; and * X is CH or N; These compounds are selective EP4 inhibitors and are useful for the treatment of inflammatory conditions such as arthritis.
Identification and biological activity of 6-alkyl-substituted 3-methyl-pyridine-2-carbonyl amino dimethyl-benzoic acid EP4 antagonists
作者:Maria-Jesus Blanco、Tatiana Vetman、Srinivasan Chandrasekhar、Matthew J. Fisher、Anita Harvey、Steven L. Kuklish、Mark Chambers、Chaohua Lin、Daniel Mudra、Jennifer Oskins、Xu-Shan Wang、Xiao-Peng Yu、Alan M. Warshawsky
DOI:10.1016/j.bmcl.2016.03.041
日期:2016.5
4-dimethyl-benzoic acid led to the selection of compound 4f for clinical studies. Compound 4f showed an IC50 of 123 nM for inhibition of PGE2-induced TNFα reduction in an ex vivo LPS-stimulated human whole blood assay (showing >10-fold increase over clinical compound CJ-023,423). Pharmacokinetic profile, selectivity and in vivo efficacy comparing 4f to NSAID diclofenac in the monoiodoacetic acid (MIA) pain
The present invention provides a compound of the Formula II:
wherein A is:
R
1
is CH
3
, CF
3
, or F;
R
2
is H, CH
3
, or F;
R
3
is CH
3
, OCH
3
, OH, F;
R
4
is OH or CH
2
OH; and
X is CH or N;
or a pharmaceutically acceptable salt thereof.
The present invention provides a compound of the Formula II:
wherein A is:
R1 is CH3, CF3, or F;
R2 is H, CH3, or F;
R3 is CH3, OCH3, OH, F;
R4 is OH or CH2OH; and
X is CH or N;
or a pharmaceutically acceptable salt thereof.
The present invention provides a compound of the Formula I: wherein A is: and W, Y, X, R
1
, R
2
, R
3
, and R
4
are as defined herein, or a pharmaceutically acceptable salt thereof, for use as an inhibitor of the EP4 receptor.