申请人:MICROBIOTIX, INC.
公开号:US20160075714A1
公开(公告)日:2016-03-17
Novel compounds are disclosed having the structure of Formula I:
wherein,
n is an integer from 1 to 5;
X is —CN, —F, —Cl, —Br, —I, —NO
2
;
W is S, SO, SO
2
, O, NH, or NR
5
;
R
5
is alkyl, aralkyl, alkenyl, or alkynyl;
Y is O, S;
Z is NR
1
R
2
or heterocycloalkyl;
R
1
, R
2
are, independently, hydrogen, alkyl, aralkyl, alkenyl, alkynyl, or cycloalkyl and may be optionally substituted with halo, hydroxy, alkoxy, amino, alkylamino, carboxy, alkoxycarbonyl, or nitrile groups;
R
3
and R
4
are, independently, hydrogen, alkyl, aralkyl, alkenyl, alkynyl, or cycloalkyl and may be optionally substituted with halo, hydroxy, alkoxy, amino, alkylamino, carboxy, alkoxycarbonyl, or nitrile groups, and may together form a cyclic structure; and
Ar is mono-, di-, or tri-substituted phenyl or heteroaryl,
a pharmaceutically acceptable salts thereof.
The compounds are potent bacterial efflux pump inhibitors (EPIs). Such compounds are useful to potentiate the antimicrobial activity of antimicrobial compounds such as beta-lactam antibiotics and quinolone antibiotics against Gram-negative bacteria.