申请人:Kiso Yoshiaki
公开号:US20070004637A1
公开(公告)日:2007-01-04
Provided are excellent β-secretase inhibitors, that is, compounds represented by the general formula (1) or prodrugs thereof:
wherein A is amino or protected amino; B
1
and B
2
are each a single bond, alkylene of 1 to 3 carbon atoms, or the like; D is a single bond, —NHCO, or the like; E is —COOH, tetrazole ring, or the like; n is an integer of 1 to 3; m is an integer of 1 to 3; G is hydroxyl, a group represented by the general formula (2), or the like:
in which Z is —NH, -Asp-Ala-NH—, -Asp-Ala-, -Asp-NH—, or the like; L is a 5-to 10-membered ring optionally containing a heteroatom and/or unsaturated bond; X is —COOH, tetrazole ring, or the like; Y is hydrogen, —COOH, or the like; and k is an integer of 1 to 4; and R
1
, R
2
, and R
3
are each alkyl of 1 to 6 carbon atoms, or the like.