PYRIDINE THIO DERIVATIVE, AND PHARMACEUTICAL COMPOSITION WHICH CONTAINS SAME AND HAS ANTI-HELICOBACTER PYLORI ACTION
申请人:Yamamoto Masaichi
公开号:US20120041030A1
公开(公告)日:2012-02-16
Disclosed are a novel pyridine thio derivative, and a pharmaceutical composition using the novel pyridine thio derivative, particularly a pharmaceutical composition having selective antibacterial activity against
Helicobacter pylori
. Specifically disclosed is a pyridine thio derivative represented by general formula (I) (wherein R
1
and R
2
each represents a hydrogen atom, a C
1-8
alkyl group or the like; R
3
and R
4
each represents a hydrogen atom, a C
1-8
alkyl group or the like; X represents —O—, —S— or the like; Y represents a C
1-12
alkyl group which may be substituted by a substituent or —(R
5
—O)
n
—R
6
(wherein R
5
represents a C
1-5
alkylene group; R
6
represents a C
1-8
alkyl group which may be substituted by a substituent, and n represents an integer of 1-10); and Z represents a hydrogen atom or the like), or a pharmacologically acceptable salt thereof. Also specifically disclosed is a pharmaceutical composition containing the pyridine thio derivative or a salt thereof.