QUINUCLIDINE DERIVATIVES AS SUBSTANCE P ANTAGONISTS
申请人:PFIZER INC.
公开号:EP0632809A1
公开(公告)日:1995-01-11
RESOLUTION OF 1-AZABICYCLO 2.2.2]OCTAN-3-AMINE, 2-(DIPHENYLMETHYL)-N- 2-METHOXY-5-(1-METHYLETHYL)PHENYL]METHYL]
申请人:PFIZER INC.
公开号:EP0840735A1
公开(公告)日:1998-05-13
QUINOLONE COMPOUND
申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:US20190077762A1
公开(公告)日:2019-03-14
The present invention provides a compound represented by the formula (I)
wherein X is a hydrogen atom or a fluorine atom; R is a hydrogen atom or alkyl; R
1
is (1) cyclopropyl optionally substituted by 1 to 3 halogen atoms or (2) phenyl optionally substituted by 1 to 3 halogen atoms; R
2
is alkyl, alkoxy, haloalkoxy, a halogen atom, cyano, etc.; and R
3
is 7-oxo-7,8-dihydro-1,8-naphthyridinyl, 3-pyridyl, etc., or a salt thereof. The compound of the present invention has excellent, antimicrobial activity against
Clostridium difficile
and is useful for the prevention or treatment of intestinal infection such as
Clostridium difficile
-associated diarrhea.