Heterocyclic compounds represented by the general formula (I)
wherein R stands for an optionally substituted aromatic heterocyclic group;
X stands for oxygen atom, an optionally oxidated sulfur atom, —C(═O)— or —CH(OH)—;
Y stands for CH or N;
m denotes an integer of 0 to 10:
n denotes an integer of 1 to 5:
cyclic group
stands for an optionally substituted aromatic azole group; and
ring A is optionally further substituted,
or salts thereof. The compound (I) possesses action of inhibiting tyrosine kinase and useful as antitumor agents.
A compound represented by the formula:
1
wherein m is 1 or 2, R
1
is a halogen or an optionally halogenated C
1-2
alkyl; one of R
2
and R
3
is a hydrogen atom and the other is a group represented by the formula:
2
wherein n is 3 or 4; R
4
is a C
1-4
alkyl group substituted by 1 or 2 hydroxy groups, or a salt thereof shows tyrosine kinase-inhibiting activity.
MEDICINAL COMPOSITIONS IMPROVED IN SOLUBLITY IN WATER
申请人:Takeda Chemical Industries, Ltd.
公开号:EP1350792A1
公开(公告)日:2003-10-08
Solid dispersions are provided comprising an HER2 inhibitor which is hardly or not soluble in water and a hydrophilic polymer. These solid dispersions have been improved in the solubility of the HER2 inhibitor, oral absorption and bioavailability in blood.
MEDICINAL COMPOSITIONS HAVING IMPROVED ABSORBABILITY
申请人:Takeda Chemical Industries, Ltd.
公开号:EP1350793A1
公开(公告)日:2003-10-08
An HER2 inhibitor having an average particle size of about 3 µm or less or a composition containing the same which has improved HER2 inhibitor-absorbability.
Pharmaceutical composition having an improved water solubility
申请人:——
公开号:US20040058956A1
公开(公告)日:2004-03-25
Solid dispersions are provided comprising an HER2 inhibitor which is hardly or not soluble in water and a hydrophilic polymer. These solid dispersions have been improved in the solubility of the HER2 inhibitor, oral absorption and bioavailability in blood.