申请人:RAY Nicholas Charles
公开号:US20090093477A1
公开(公告)日:2009-04-09
Compounds of formula (I) and multimers thereof are inhibitors of human neutrophil elastase activity, and of utility in the treatment of, e.g., COPD:
wherein A is aryl or heteroaryl; D is oxygen or sulphur; R
1
, R
2
and R
3
are independently each hydrogen, halogen, nitro, cyano, C
1
-C
6
-alkyl, C
2
-C
6
-alkenyl, C
2
-C
6
-alkynyl, hydroxy or C
1
-C
6
-alkoxy or C
2
-C
6
-alkenyloxy, wherein C
1
-C
6
-alkyl and C
1
-C
6
-alkoxy can be further substituted with one to three identical or different radicals selected from the group consisting of halogen, hydroxy and C
1
-C
4
-alkoxy;
R and R
4
each independently represent a radical of formula
—[X]
m
-[Alk
1
]
p
-[Q]
n
-[Alk
2
]
q
-[X
1
]
k
-Z wherein k, m, n, p and q are independently 0 or 1; Alk
1
and Alk
2
each independently represent an optionally substituted C
1
-C
6
alkylene, or C
2
-C
6
alkenylene radical which may optionally contain an ether (O—), thioether (—S—) or amino (—NR
A
—) link wherein R
A
is hydrogen or C
1
-C
3
alkyl; Q represents (i) O—, —S—, —S(═O)—, —S(═O)
2
—, —S
+
(R
A
)—, —N(R
A
)—, —N
+
(R
A
)(R
B
)—, —C(═O)—, —C(═O)O—, —OC(═O)—, —C(═O)NR
A
—, —NR
A
C(═O)—, —S(O
2
)NR
A
—, —NR
A
S(O
2
)—, —NR
A
C(═O)NR
B
—, —NR
A
C(═NR
A
)NR
B
—, —C(═NR
D
)NR
E
, —NR
E
C(═NR
D
), wherein R
A
, R
B
, R
D
and R
E
are independently hydrogen, C
1
-C
6
alkyl, or C
3
-C
6
cycloalkyl, or R
A
and R
B
, or R
D
and R
E
taken together with the nitrogen to which they are attached form a monocyclic heterocyclic ring of 5 to 7 ring atoms which my contain a further heteroatom selected from N, O and S, or (ii) an optionally substituted divalent mono- or bicyclic carbocyclic or heterocyclic radical having 3-6 ring members; X represents —(C═O)—, —S(O
2
)—, —C(═O)O—, —(C═O)NR
A
—, or —S(O
2
)NR
A
—, wherein R
A
is hydrogen, C
1
-C
6
alkyl, or C
3
-C
6
cycloalkyl; X
1
represents —O—, —S—, or —NH; and Z is hydrogen or an optionally substituted mono- or bicyclic carbocyclic or heterocyclic radical having 3-6 ring members.