A compound of formula (III): or a salt, solvate and chemically protected form thereof, wherein: R5 is an optionally substituted C5-20 aryl or C4-20alkyl group; L′ is a single bond, —O— or —C(═O)—; A is selected from the group consisting of: formula (i) (ii) (iii) wherein X and Y are selected from the group consisting of: O and CR3; S and CR3; NH and CR3; NH and N; O and N; S and N; N and S; and N and O, and where the dotted lines indicate a double bond in the appropriate location, and where Q is either N or CH; D is selected from: formula (i) (ii) (iii) (iv) (v) (vii) (viii) (ix) B is selected from the group consisting of: formula (A) (B) where RP6 is selected from fluoro and chloro; and R2 is either: (i) —CO2H; (ii) —CONH2; (iii) —CH2—OH; or (iv) tetrazol-5-yl.
化合物的
化学式(III):或其盐,溶剂合物和
化学保护形式,其中:R5是可选取代的C5-20芳基或C4-20烷基;L'是单键,-O-或-C(=O)-;A选自以下组:公式(i),(ii),(iii),其中X和Y选自以下组:O和CR3;S和CR3;NH和CR3;NH和N;O和N;S和N;N和S;和N和O,其中虚线表示适当位置的双键,Q为N或CH;D选自:公式(i),(ii),(iii),(iv),(v),(vii),(viii),(ix);B选自以下组:公式(A),(B),其中RP6选自
氟和
氯;R2为:(i)-CO2H;(ii)-CONH2;(iii)-
CH2-OH;或(iv)
四唑-5-基。