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;
通用公式(I)的α-羟基酰胺衍
生物是布雷肯肽B1拮抗剂或逆向激动剂,在治疗或预防与布雷肯肽B1途径相关的疼痛和炎症症状方面很有用。R2a从(1)Ra组中选择。 (2)(
CH2)nNRbC(O)Ra。(3)( )nNRbSO2Rd。(4)( )nNRbCO2Ra。(5)( )k-杂环,可选择地取代为1到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,其中所述杂环是(a)具有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融合;或(b)含有1到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融合。(6)( )kCO2Ra和(7)( )C(O)NRbRc。 R2b是OH或从R2a选择的组;或R2a和R2b与它们连接的碳原子一起形成一个3到7个成员的碳环,可选择地取代为1到4个独立选择的卤素,ORa,C1-4烷基和C1-4卤代烷基;