The present invention provides compounds having superior TAFIa inhibitory activity. They are dihydroimidazoquinoline compounds represented by the following formula (I) or pharmaceutically acceptable salts thereof:
wherein R is a hydrogen atom or a C
1-10
alkyl group; R
1
is a hydrogen atom, a C
1-10
alkyl group, a C
3-8
cycloalkyl group or a substituent having the structure represented by the following formula Ia or Ib:
where R
3
is a C
1-6
alkyl group; R
4
is a C
1-6
alkyl group, a C
3-8
cycloalkyl group, or a benzyl group; and R
2
is a hydrogen atom or a substituent having the structure represented by the following formula Ic or Id:
[EN] COMPOUNDS HAVING TAFIa INHIBITORY ACTIVITY<br/>[FR] COMPOSES AYANT UNE ACTIVITE INHIBITRICE DU TAFIA
申请人:TAISHO PHARMA CO LTD
公开号:WO2011034215A1
公开(公告)日:2011-03-24
The present invention provides compounds having superior TAFIa inhibitory activity. They are dihydroimidazoquinoline compounds represented by the following formula (I) or pharmaceutically acceptable salts thereof: (I) wherein R is a hydrogen atom or a C1-10 alkyl group; R1 is a hydrogen atom, a C1-10 alkyl group, a C3-8 cycloalkyl group or a substituent having the structure represented by the following formula Ia or Ib: (Ia) (Ib) where R3 is a C1-6 alkyl group; R4 is a C1-6 alkyl group, a C3-8 cycloalkyl group, or a benzyl group; and R2 is a hydrogen atom or a substituent having the structure represented by the following formula Ic or Id:(Ic) (Id)