Novel 2-aminopyrimidine carbamates as potent and orally active inhibitors of Lck: synthesis, SAR, and in vivo antiinflammatory activity.

Abstract:

:The lymphocyte-specific kinase (Lck) is a cytoplasmic tyrosine kinase of the Src family expressed in T cells and NK cells. Genetic evidence in both mice and humans demonstrates that Lck kinase activity is critical for signaling mediated by the T cell receptor (TCR), which leads to normal T cell development and activation. A small molecule inhibitor of Lck is expected to be useful in the treatment of T cell-mediated autoimmune and inflammatory disorders and/or organ transplant rejection. In this paper, we describe the synthesis, structure-activity relationships, and pharmacological characterization of 2-aminopyrimidine carbamates, a new class of compounds with potent and selective inhibition of Lck. The most promising compound of this series, 2,6-dimethylphenyl 2-((3,5-bis(methyloxy)-4-((3-(4-methyl-1-piperazinyl)propyl)oxy)phenyl)amino)-4-pyrimidinyl(2,4-bis(methyloxy)phenyl)carbamate (43) exhibits good activity when evaluated in in vitro assays and in an in vivo model of T cell activation.

journal_name

J Med Chem

authors

Martin MW,Newcomb J,Nunes JJ,McGowan DC,Armistead DM,Boucher C,Buchanan JL,Buckner W,Chai L,Elbaum D,Epstein LF,Faust T,Flynn S,Gallant P,Gore A,Gu Y,Hsieh F,Huang X,Lee JH,Metz D,Middleton S,Mohn D,Morgenster

doi

10.1021/jm060435i

subject

Has Abstract

pub_date

2006-08-10 00:00:00

pages

4981-91

issue

16

eissn

0022-2623

issn

1520-4804

journal_volume

49

pub_type

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