3-(N-arylsulfamoyl)benzamides, inhibitors of human sirtuin type 2 (SIRT2).

Abstract:

:Inhibition of sirtuin 2 (SIRT2) is known to be protective against the toxicity of disease proteins in Parkinson's and Huntington's models of neurodegeneration. Previously, we developed SIRT2 inhibitors based on the 3-(N-arylsulfamoyl)benzamide scaffold, including3-(N-(4-bromophenyl)sulfamoyl)-N-(4-bromophenyl)benzamide(C2-8, 1a), which demonstrated neuroprotective effects in a Huntington's mouse model, but had low potency of SIRT2 inhibition. Here we report that N-methylation of 1a greatly increases its potency and results in excellent selectivity for SIRT2 over SIRT1 and SIRT3 isoforms. Structure-activity relationships observed for 1a analogs and docking simulation data suggest that the para-substituted amido moiety of these compounds could occupy two potential hydrophobic binding pockets in SIRT2. These results provide a direction for the design of potent drug-like SIRT2 inhibitors.

journal_name

Bioorg Med Chem Lett

authors

Choi SH,Quinti L,Kazantsev AG,Silverman RB

doi

10.1016/j.bmcl.2012.02.089

subject

Has Abstract

pub_date

2012-04-15 00:00:00

pages

2789-93

issue

8

eissn

0960-894X

issn

1464-3405

pii

S0960-894X(12)00291-0

journal_volume

22

pub_type

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