申请人:NILSSON Magnus
公开号:US20110112089A1
公开(公告)日:2011-05-12
A compound of the formula II
wherein
one of R
1
and R
2
is halo and the other is H or halo;
R
3
is C
1
-C
4
straight or branched chain, optionally fluorinated, alkyl;
R
4
is H; or
R
3
together with R
4
and the adjoining backbone carbon defines:
a spiro-C
5
-C
7
cycloalkyl, optionally substituted with 1 to 3 substituents selected from halo, hydroxyl, C
1
-C
4
alkyl or C
1
-C
4
haloalkyl; or optionally bridged with a methylene group; or
a C
4
-C
6
saturated heterocycle having a hetero atom selected from
O, NRa, S, S(═O)
2
; where Ra is H, C
1
-C
4
alkyl or CH
3
C(═O);
R
5
is independently selected from H or methyl;
E is —C(═O)—, —S(═O)
m
—, —NR
5
S(═O)
m
—, —NR
5
C(═O)—, —OC(═O)—,
R
6
is a stable, optionally substituted, monocyclic or bicyclic, carbocycle or hetorocycle;
m is independently 0, 1 or 2;
are inhibitors of cathepsin K and useful in the treatment or prophylaxis of osteoporosis.
该化合物的公式为II,其中R1和R2中的一个是卤素,另一个是氢或卤素;R3是直链或支链的C1-C4烷基,可以是氟代的;R4是氢;或者R3与R4和相邻的骨架碳共同定义了一个螺旋状的C5-C7环烷基,可以选择性地用1至3个取代基中的卤素、羟基、C1-C4烷基或C1-C4卤代烷基进行取代;或者选择性地用亚甲基桥接;或者是一个具有O、NRa、S、S(═O)2等杂原子的C4-C6饱和杂环,其中Ra是H、C1-C4烷基或CH3C(═O);R5是独立选择的H或甲基;E是—C(═O)—、—S(═O)m—、—NR5S(═O)m—、—NR5C(═O)—、—OC(═O)—;R6是一个稳定的、可以选择性地取代的单环或双环的碳环或杂环;m是独立选择的0、1或2。这些化合物是猫hepsin K的抑制剂,并且在治疗或预防骨质疏松症方面有用。