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. R2a is selected from (1) a group selected from Ra. (2) (CH2)nNRbC(O)Ra. (3) (CH2)nNRbSO2Rd. (4) (CH2)nNRbCO2Ra. (5) (CH2)k-heterocycle optionally substituted with 1 to 3 groups independently selected from halogen.nitro, cyano.ORa.SRa.C1-4 alkyl and C1-3 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) (CH2)kCO2Ra. and (7) (CH2)C(O)NRbRc. R2b is OH or a group selected from R2a; or R2a and R2b 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. ORa. C1-4 alkyl and C1-4 haloalkyl.
通式(I)的α-羟基酰胺衍
生物是布雷地酮B1拮抗剂或逆激动剂,可用于治疗或预防与布雷地酮B1通路相关的疼痛和炎症等症状。其中,R2a选自(1)Ra选自的一组;(2)(
CH2)nNRbC(O)Ra;(3)( )nNRbSO2Rd;(4)( )nNRbCO2Ra;(5)( )k-杂环,可选地被1至3个独立选择的卤素、硝基、
氰基、ORa、SRa、C1-4烷基和C1-3卤代烷基取代,其中所述杂环是(a)一个5-成员杂芳环,具有从N、O和S中选择的杂环原子,并可选地具有多达3个额外的环氮原子,其中所述环可选地与苯融合;或(b)一个6-成员杂环,含有1至3个环氮原子和其N-氧化物。其中所述环可选地与苯融合;(6)( )kCO2Ra;以及(7)( )C(O)NRbRc。R2b是OH或选自R2a的一组;或者R2a和R2b与它们连接的碳原子一起形成一个3至7成员的碳环,可选地被1至4个独立选择的卤素、ORa、C1-4烷基和C1-4卤代烷基取代。