α-Hydroxy amide derivatives of the general formula (I) are bradykinin B1 antagonists or inverse agonists useful in the treatment or prevention of symptoms such as pain and inflammation associated with the bradykinin B1 pathway. R
2a
is selected from (1) a group selected from R
a
. (2)(CH
2
)
n
NR
b
C(O)R
a
. (3)(CH
2
)
n
NR
b
SO
2
R
d
. (4)(CH
2
)
n
NR
b
CO
2
R
a
.(5)(CH
2
)
k
-heterocycle optionally substituted with 1 to 3 groups independently selected from halogen.nitro, cyano.OR
a
.SR
a
.C
1-4
alkyl and C
1-3
haloakyl wherein said heterocycle is (a) a 5-membered heteroaromatic ring having a ring heteroatom selected from N.O and S. and optionally having up to 3 additional ring nitrogen atoms wherein said ring is optionally benzo-fused; or (b) a 6-membered heteromatic ring containing from 1 to 3 ring nitrogen atoms and N-oxydes thereof. Wherein said ring is optionally benzo-fused. (6)(CH
2
)
k
CO
2
R
a
. and (7)(CH
2
)C(O)NR
b
R
c
. R
2b
is OH or a group selected from R
2a
; or R
2a
and R
2b
together with the carbon atom to which they are attached form a 3- to 7-membered carbocyclic ring optionally substituted with 1 to 4 groups independently selected from halogen. OR
a
. C
1-4
alkyl and C
1-4
haloalkyl;
通式(I)的α-羟基
酰胺衍
生物是Bradykinin B1
拮抗剂或逆激动剂,可用于治疗或预防与Bradykinin B1途径相关的疼痛和炎症等症状。其中R2为以下之一:(1)从Ra选择的一组;(2)(
CH2)nNRbC(O)Ra;(3)( )nNRbSO2Rd;(4)( )nNRbCO2Ra;(5)( )k-杂环,可选地取代1-3个独立选择的卤素、硝基、
氰基、ORa、SRa、C1-4烷基和C1-3卤代烷基,其中所述杂环为(a)具有从N、O和S中选择的环杂原子的5元杂芳环,并且可选地具有多达3个额外的环
氮原子,其中所述环可选地与
苯并联;或(b)含有1-3个环
氮原子和其N-
氧化物的6元杂芳环。其中所述环可选地与
苯并联;(6)( )kCO2Ra;和(7)( )C(O)NRbRc。R2b为OH或从R2a选择的一组;或R2a和R2b一起与它们连接的
碳原子形成一个3-7成员的
碳环,可选地取代1-4个独立选择的卤素、ORa、C1-4烷基和C1-4卤代烷基。