The present invention relates to a fused aminodihydrothiazine derivative of formula (I):
wherein
X is hydrogen or fluorine;
A is CH or N;
Y is methyl, ethyl, monofluoromethyl, difluoromethyl, trifluoromethyl, difluoroethyl, methoxy, ethoxy, methoxymethyl or —C≡N;
and pharmaceutically acceptable salts thereof;
which compound has an Aβ production inhibitory effect or a BACE1 inhibitory effect and is useful as a prophylactic or therapeutic agent for a neurodegenerative disease caused by Aβ and typified by Alzheimer-type dementia.
本发明涉及一种公式(I)的融合
氨基二氢
噻嗪衍
生物:
其中
X为氢或
氟;
A为CH或N;
Y为甲基、乙基、单
氟甲基、二
氟甲基、三
氟甲基、二
氟乙基、甲氧基、乙氧基、甲氧甲基或—C≡N;
以及其药学上可接受的盐;
该化合物具有Aβ产生抑制作用或
BACE1抑制作用,并且可用作预防或治疗由Aβ引起的以阿尔茨海默型痴呆为特征的神经退行性疾病的预防或治疗剂。