There are provided compounds of formula (I), ##STR1## wherein D represents a five membered heterocyclic aromatic ring containing 1 to 4 heteroatoms selected from O, N or S, optionally substituted at a carbon atom by halogen, trifluoromethyl, alkyl C1 to 6, nitro or cyano, and which is connected to the remainder of the compound of formula (I) through a carbon atom; A represents N(X) or CH(--(CH.sub.2).sub.m --NXY); U represents NH, O or CH.sub.2 ; V represents (CH.sub.2).sub.a ; W represents (CH.sub.2).sub.b ; a, b, m, X and Y are as defined in the specification, together with processes for their preparation and compositions containing them. Compounds of formula (I) are nitric oxide synthetase inhibitors and are useful in therapy.
提供了化合物的公式(I),其中D代表含有1至4个异原子(选自O、N或S)的五元杂环芳香环,可以在碳原子上通过卤素、三
氟甲基、烷基C1到6、硝基或
氰基进行取代,并且通过碳原子连接到公式(I)的其余部分;A代表N(X)或CH(-(
CH2)m-NXY);U代表NH、O或 ;V代表( )a;W代表( )b;a、b、m、X和Y在规范中定义,以及它们的制备过程和含有它们的组合物。公式(I)的化合物是
一氧化氮合酶
抑制剂,并且在治疗中有用。