The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, esters, or prodrugs thereof:
which inhibit Respiratory Syncytial Virus (RSV). The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from RSV infection. The invention also relates to methods of treating an RSV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
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.
HETEROCYCLIC COMPOUND, APPLICATION THEREOF AND PHARMACEUTICAL COMPOSITION COMPRISING SAME
申请人:SUZHOU SINOVENT PHARMACEUTICALS CO., LTD.
公开号:US20200369676A1
公开(公告)日:2020-11-26
Disclosed in the present invention are a heterocyclic compound, an application thereof and a pharmaceutical composition comprising the same. Provided by the present invention are a heterocyclic compound represented by formula I or a pharmaceutically acceptable salt thereof. The compound has a novel structure and a good inhibitory activity against autotaxin (ATX).
The present invention relates to 2,3,4,6-tetra-substituted benzene-1,5-diamine derivatives, a preparation method therefor and a medicinal use thereof. Specifically, disclosed are compounds of formula (I) or pharmaceutically acceptable salts, stereoisomers, solvates or prodrugs, preparation method therefor and application thereof. Definition of each group in the formula can be found in the specification for details.
Disclosed herein are compounds having the structure of Formula I and pharmaceutically suitable salts, esters, and prodrugs thereof that are useful as antibacterially effective tricyclic gyrase inhibitors.
Related pharmaceutical compositions, uses and methods of making the compounds are also contemplated.