PYRIDINE DERIVATIVES AND A PHARMACEUTICAL COMPOSITION FOR INHIBITING BACE1 CONTAINING THEM
申请人:Tada Yukio
公开号:US20140235626A1
公开(公告)日:2014-08-21
The present invention provides a compound of formula (I):
wherein ring B is substituted or unsubstituted carbocycle or heterocycle,
R
1
is substituted or unsubstituted alkyl or the like,
R
2a
and R
2b
are each independently hydrogen, substituted or unsubstituted alkyl or the like,
R
3
, R
4a
and R
4b
are each independently hydrogen, halogen, substituted or unsubstituted alkyl or the like, a dashed line represents a presence or absence of a bond,
R
5
is hydrogen, substituted or unsubstituted alkyl or the like,
R
6
is halogen, hydroxy, substituted or unsubstituted alkyl or the like,
p is an integer of 0 to 3,
or a pharmaceutically acceptable salt thereof which has an effect of inhibiting amyloid β production, especially an effect of inhibiting BACE1, and which is useful as a therapeutic or prophylactic agent for diseases induced by production, secretion and/or deposition of amyloid β proteins.