申请人:Burmester James K.
公开号:US20090176870A1
公开(公告)日:2009-07-09
The present invention provides a method of modulating TGF-β activity in a subject. Methods of the present invention comprise administering to the subject an effective amount of a compound of the formula:
or a salt, prodrug, tautomer, hydrate, solvate, or stereoisomer thereof,
wherein
a is an integer from 0 to 4;
each R
1
is independently hydroxy, alkoxy, halide, alkyl, cyano, nitro, amino, monoalkylamino, dialkylamino, or carboxy;
R
2
is aryl, cycloalkyl, alkenyl, or alkyl, each of which is optionally substituted;
each of X
1
and X
2
is independently O, S or NR
3
, wherein R
3
is hydrogen or alkyl;
X
3
is hydrogen, alkoxy, alkyl, hydroxy, halide, amino, monoalkylamino, or dialkylamino; and
X
4
is alkoxy, hydroxy, halide, amino, monoalkylamino, or dialkylamino.