Quinazoline derivatives and pharmaceutical applications thereof

1. A sulfonylurea derivative having the formula (4):

wherein the ring A represents an aryl group;

R 1 ′ is R 1 , which may be protected with a protecting group, and which represents (a) a hydroxyl group, (b) an amino group, (c) a C 1 to C 4 lower alkylamino group which may be substituted with a (COOH) group, (d) a C 7 to C 10 lower aralkylamino group which may be substituted with a (COOH) group, (e) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a (COOH) group, (f) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a (COOH) group, (g) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a (COOH) group, (h) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a (COOH) group, (i) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a (COOH) group, (j), an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a (COOH) group, (k) a C 1 to C 4 lower alkyl group substituted with a (COOH) group, or (l) a C 2 to C 4 lower alkylene group which may be substituted with a (COOH) group;

R 2 ′ is R 2 , which may be protected with a protecting group, and which represents (a) a C 1 to C 4 lower alkyl group substituted with a COOH group, a halogen atom, a C 1 to C 4 lower alkoxy group, an amino group, a methylamino group, a dimethylamino group, a carboxymethylamino group or a carboxyethylamino group, (b) a halogen atom, (c) a hydroxyl group, (d) a C 1 to C 4 lower alkoxyl group, (e) an amino group, (f) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (g) a C 7 to C 12 aralkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (h) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a COOH group, (i) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, 6) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (k) an amino group sulfonylated with a C 1 to C 4 lower alkane sulfonic acid which may be substituted with a COOH group, (I) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (in) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, or (n) a COOH group or

R 3 ′ is R 3 , which may be protected with a protecting group, and which represents (a) a hydrogen atom, (b) a C 1 to C 4 lower alkyl group which may be substituted with a COOH group, a halogen atom, a C 1 to C 4 lower alkoxy group, an amino group, a methylamino group, a dimethylamino group, a carboxymethylamino group or a carboxyethylamino group, (c) a halogen atom, (d) a hydroxyl group, (e) a C 1 to C 4 lower alkoxyl group, (f) an amino group, (g) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (h) a C 7 to C 12 aralkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (i) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a COOH group, (j) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, (k) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (I) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a COOH group, (in) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (n) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, or (o) a COOH group, or

when the ring A is a benzene ring, R 1 and R 2 may form, together with the substituting benzene ring, (a) a tetrahydroquinoline ring or (b) a benzoxazine ring which may be substituted with a COOH group and in which the carbon atom in the ring may form a carbonyl group and R 3 is the same as defined above; and

X′ is X, which may be protected with a protecting group and which represents (a) a hydrogen atom, (b) a C 1 to C 4 lower alkyl group, (c) a C 1 to C 4 lower alkoxyl group, (d) a halogen atom, (e) a hydroxyl group, (f) an amino group, (g) or a nitro group.

2. A sulfonylurea derivative having the formula (7):

wherein, the ring A represents an aryl group;

R 1 ′ it is R 1 , which may be protected with a protecting group and which represents (a) a hydroxyl group, (b) an amino group, (c) a C 1 to C 4 lower alkylamino group which may be substituted with a (COOH) group, (d) a C 7 to C 10 lower aralkylamino group which may be substituted with a (COOH) group, (e) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a (COOH) group, (f) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a (COOH) group, (g) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a (COOH) group, (h) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a (COOH) group, (i) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a (COOH) group, 6) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a (COOH) group, (k) a C 1 to C 4 lower alkyl group substituted with a (COOH) group, or (l) a C 2 to C 4 lower alkylene group which may be substituted with a (COOH) group;

R 2 ′ is R 2 , which may be protected with a protecting group, and which represents (a) a C 1 to C 4 lower alkyl group substituted with a COOH group, a halogen atom, a C 1 to C 4 lower alkoxy group, an amino group, a methylamino group, a dimethylamino group, a carboxymethylamino group or a carboxyethylamino group, (b) a halogen atom, (c) a hydroxyl group, (d) a C 1 to C 4 lower alkoxyl group (e) an amino group, (f) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (g) a C 7 to C 12 aralkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (h) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a COOH group, (i) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, (j) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (k) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a COOH group, (l) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (m) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, or (n) a COOH group or

R 3 ′ is R 3 , which may be protected with a protecting group, and which represents (a) a hydrogen atom, (b) a C 1 to C 4 lower alkyl group which may be substituted with a COOH group, a halogen atom, a C 1 to C 4 lower alkoxy group, an amino group, a methylamino group, a dimethylamino group, a carboxymethylamino group or a carboxyethylamino group, (c) a halogen atom, (d) a hydroxyl group, (e) a C 1 to C 4 lower alkoxyl group, (f) an amino group, (g) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (h) a C 7 to C 12 aralkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (i) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a COOH group, (j) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, (k) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (l) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a COOH group, (m) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (n) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, or (o) a COOH group, or

when the ring A is a benzene ring, R 1 and R 2 may form together with the substituting benzene ring, (a) a tetrahydroquinoline ring or (b) a benzoxazine ring which may be substituted with a (COOH) group and in which the carbon atom in the ring may form a carbonyl group and R 3 is the same as defined above;

R 4 represents a protecting group for a carboxyl group; and

X′ is X, which may be protected with a protecting group and which represents (a) a hydrogen atom, (b) a C 1 to C 4 lower alkyl group, (c) a C 1 to C 4 lower alkoxyl group, (d) a halogen atom, (e) a hydroxyl group, (f) an amino group, or (g) a nitro group.

3. A sulfonylurea derivative as claimed in claim 1 , wherein, in the formula (4), the ring A represents an aryl group:

R 1 ′ is R 1 , which may be protected with a protecting group, and which represents (a) hydroxyl group, (b) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, (c) a C 7 to C 10 lower aralkylamino group which may be substituted with a COOH group, (d) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a COOH group, (e) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, (f) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (g) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a COOH group, (h) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (i) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, (j) a C 1 to C 4 lower alkyl group substituted with a COOH group, or (k) a C 2 to C 4 lower alkenyl group which may be substituted with a COOH group;

R 2 ′ and R 3 ′ are R 2 and R 3 , respectively, which may be protected with a protecting group, which may be the same or different and which represent (a) a hydrogen atom, (b) a C 1 to C 4 lower alkyl group which may be substituted with a COOH group, a halogen atom, a C 1 to C 4 lower alkoxy group, an amino group, a methylamino group, a dimethylamino group, a carboxymethylamino group or a carboxyethylamino group, (c) a halogen atom, (d) a hydroxyl group, (e) a C 1 to C 4 lower alkoxyl group, (f) an amino group, (g) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (h) a C 7 to C 12 aralkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (i) an amino group acylated with a C 1 to C 4 lower, aliphatic acid which may be substituted with a COOH group, (j) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, (k) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (l) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a COOH group, (m) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (n) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, or (o) a COOH group or

when the ring A is benzene ring, R 1 and R 2 may form, together with the substituting benzene ring, (a) a tetrahydroquinoline ring or (b) a benzoxazine ring which may be substituted with a COOH group and in which the carbon atom in the ring may form a carbonyl group and R 3 is the same as defined above; and

X′ is X, which may be protected with a protecting group and which represents (a) a hydrogen atom, (b) a Cl to C 4 lower alkyl group, (c) a C 1 to C 4 lower alkoxy group, (d) a halogen atom, (e) a hydroxyl group, (f) an amino group, or (g) a nitro group.

4. A sulfonylurea derivative as claimed in claim 2 , wherein, the formula (7), the ring A represents an aryl group:

R 1 is R 1 , which may be protected with a protecting group, and which represents (a) hydroxyl group, (b) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, (c) a C 7 to C 10 lower aralkylamino group which may be substituted with a COOH group, (d) an amino group acylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a COOH group, (e) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, (f) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (g) an amino group sulfonlylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a COOH group, (h) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (i) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, (j) a C 1 to C 4 lower alkyl group substituted with a COOH group, or (k) a C 2 to C 4 lower alkenyl group which may be substituted with a COOH group;

R 2 ′ and R 3 ′ are R 2 and R 3 , respectively, which may be protected with a protecting group, which may be the same or different and which represent (a) a hydrogen atom, (b) a C 1 to C 4 lower alkyl group which may be substituted with a COOH group, a halogen atom, a C 1 to C 4 lower alkoxy group, an amino group, a methylamino group, a dimethylamino group, a carboxymethylamino group or a carboxyethylamino group, (c) a halogen atom, (d) a hydroxyl group, (e) a C 1 to C 4 lower alkoxyl group, (f) an amino group, (g) a C 1 to C 4 lower alkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (h) a C 7 to C 12 aralkylamino group which may be substituted with a COOH group, a halogen atom or a C 1 to C 4 lower alkoxy group, (i) an amino group acrylated with a C 1 to C 4 lower aliphatic acid which may be substituted with a COOH group, (j) an amino group acylated with an aromatic ring carboxylic acid which may be substituted with a COOH group, (k) an amino group acylated with a heteroaromatic ring carboxylic acid which may be substituted with a COOH group, (l) an amino group sulfonylated with a C 1 to C 4 lower alkanesulfonic acid which may be substituted with a COOH group, (m) an amino group sulfonylated with an aromatic ring sulfonic acid which may be substituted with a COOH group, (n) an amino group sulfonylated with a heteroaromatic ring sulfonic acid which may be substituted with a COOH group, or (o) a COOH group or

when the ring A is benzene ring, R 1 and R 2 may form, together with the substituting benzene ring, (a) a tetrahydroquinoline ring or (b) a benzoxazine ring which may be substituted with a COOH group and in which the carbon atom in the ring may form a carbonyl group and R 3 is the same as defined above; and

X′ is X, which may be protected with a protecting group and which represents (a) a hydrogen atom, (b) a C 1 to C 4 lower alkyl group, (c) a C 1 to C 4 lower alkoxy group, (d) a halogen atom, (e) a hydroxyl group, (f) an amino group, or (g) a nitro group, provided that R 4 is the same as defined in claim 2 .