A purpose of the present invention is to provide TNF-&agr; production inhibitors being useful as therapeutic agents for autoimmune diseases such as rheumatoid arthritis. Novel compounds having the structure represented by the general formula [1] or salts thereof according to the present invention have excellent TNF-&agr; production inhibitory activities,
1
wherein “A” is —(NR
4
)—, —(CR
5
R
6
)— or —O—, “B” is alkylene or alkenylene, R
1
, R
2
, R
4
, R
5
and R
6
are hydrogen, alkyl, alkenyl, adamantyl or the like, R
3
is aryl or an unsaturated heterocycle, and “X” is oxygen or sulfer respectively.
An object of the present invention is to find new pharmacological actions of urea compounds having structure represented by the general formula [1]. The urea compounds having the structure represented by the general formula [1] have excellent angiogenesis inhibitory actions.
[wherein “A” is —(NR
4
)—, —(CR
5
R
6
)— or —O—, “B” is alkylene or alkenylene, R
1
, R
2
, R
4
, R
5
and R
6
are hydrogen, alkyl, alkenyl, adamantylalkyl or the like, R
3
is aryl or an unsaturated heterocycle, and X is oxygen or sulfur.]
A purpose of the present invention is to provide TNF-α production inhibitors being useful as therapeutic agents for autoimmune diseases such as rheumatoid arthritis. Novel compounds having the structure represented by the general formula [1] or salts thereof according to the present invention have excellent TNF-α production inhibitory activities,
wherein “A” is —(NR
4
)—, —(CR
5
R
6
)— or —O—, “B” is alkylene or alkenylene, R
1
, R
2
, R
4
, R
5
and R
6
are hydrogen, alkyl, alkenyl, adamantyl or the like, R
3
is aryl or an unsaturated heterocycle, and “X” is oxygen or sulfer respectively.
A purpose of the present invention is to provide TNF-α production inhibitors being useful as therapeutic agents for autoimmune diseases such as rheumatoid arthritis. Novel compounds having the structure represented by the general formula [1] or salts thereof according to the present invention have excellent TNF-α production inhibitory activities,
wherein A is —(NR
4
)—, —(CR
5
R
6
)— or —O—, B is alkylene or alkenylene, R
1
, R
2
, R
4
, R
5
and R
6
are hydrogen, alkyl, alkenyl, adamantyl or the like, R
3
is aryl or an unsaturated heterocycle, and X is oxygen or sulfer respectively.
An object of the present invention is to find new pharmacological actions of urea compounds having structure represented by the general formula [1]. The urea compounds having the structure represented by the general formula [1] have excellent angiogenesis inhibitory actions.
[wherein “A” is —(NR
4
)—, —(CR
5
R
6
)— or —O—, “B” is alkylene or alkenylene, R
1
, R
2
, R
4
, R
5
and R
6
are hydrogen, alkyl, alkenyl, adamantylalkyl or the like, R
3
is aryl or an unsaturated heterocycle, and X is oxygen or sulfur.]