The present invention provides Hsp90 family protein inhibitors comprising, as an active ingredient, a benzoic acid derivative represented by General Formula (I):
[wherein n represents an integer of 0 to 10; R
1
represents substituted or unsubstituted lower alkoxycarbonyl, substituted or unsubstituted aroyl, or the like; R
2
represents —NR
14
R
15
(wherein R
14
and R
15
may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl or the like); R
3
and R
5
may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl or the like; and R
4
and R
6
may be the same or different and each represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl or the like] or a prodrug thereof, or a pharmaceutically acceptable salt of said benzoic acid derivative or said prodrug.
wherein n is an integer of 0 to 10; R
1
represents substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkoxy, substituted or unsubstituted cycloalkyl, substituted or unsubstituted lower alkoxycarbonyl, substituted or unsubstituted heterocyclic-alkyl, substituted or unsubstituted aryl, —CONR
7
R
8
, —NR
9
R
10
, etc.; R
2
represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group, etc.; R
3
and R
5
may be the same or different, each represent a hydrogen atom, substituted or unsubstituted lower alkyl, etc.; R
4
and R
6
may be the same or different, each represent a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, etc.)
Provided are an Hsp90 family protein inhibitor comprising, as an active ingredient, a benzene derivative of formula (I) or a prodrug thereof or a pharmaceutically-acceptable salt thereof, etc.
(wherein n is an integer of 0 to 10; R1 represents substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkoxy, substituted or unsubstituted cycloalkyl, substituted or unsubstituted lower alkoxycarbonyl, substituted or unsubstituted heterocyclic-alkyl, substituted or unsubstituted aryl, -CONR7R8, -NR9R10, etc.; R2 represents substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group, etc.; R3 and R5 may be the same or different, each represent a hydrogen atom, substituted or unsubstituted lower alkyl, etc.; R4 and R6 may be the same or different, each represent a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, etc.)
Provided are an Hsp90 family protein inhibitor comprising, as an active ingredient, a benzene derivative of formula (I) or a prodrug thereof or a pharmaceutically-acceptable salt thereof, etc.
The present invention provides Hsp90 family protein inhibitors comprising, as an active ingredient, a benzoic acid derivative represented by General Formula (I):
[wherein n represents an integer of 0 to 10; R1 represents substituted or unsubstituted lower alkoxycarbonyl, substituted or unsubstituted aroyl, or the like; R2 represents -NR14R15 (wherein R14 and R15 may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl or the like); R3 and R5 may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl or the like; and R4 and R6 may be the same or different and each represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl or the like] or a prodrug thereof, or a pharmaceutically acceptable salt of said benzoic acid derivative or said prodrug.