The present invention concerns 2-cyanoiminoimidazole derivatives having the formula ##STR1## the N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein R.sup.1 and R.sup.2 each independently are hydrogen; C.sub.1-6 alkyl; difluoromethyl; trifluoromethyl; C.sub.3-6 cycloalkyl; a saturated 5-, 6- or 7-membered heterocycle containing one or two heteroatoms selected from oxygen, sulfur or nitrogen; indanyl; 6,7-dihydro-5H-cyclopentapyridinyl; bicyclo[2.2.1]-2-heptenyl; bicyclo[2.2.1]heptanyl; C.sub.1-6 alkylsulfonyl; arylsulfonyl; or substituted C.sub.1-10 alkyl; R.sup.3 is hydrogen, halo or C.sub.1-6 alkyloxy; R.sup.4 is hydrogen; halo; C.sub.1-6 alkyl; trifluoromethyl; C.sub.3-6 cycloalkyl; carboxyl; C.sub.1-4 alkyloxycarbonyl; C.sub.3-6 cycloalkylaminocarbonyl; aryl; Het.sup.1 ; or substituted C.sub.1-6 alkyl; or R.sup.4 is --O--R.sup.7 or --NH--R.sup.8 ; R.sup.5 is hydrogen, halo, hydroxy, C.sub.1-6 alkyl or C.sub.1-6 alkyloxy; R.sup.6 is a hydrogen or C.sub.1-4 alkyl; or R.sup.4 and R.sup.6, or R.sup.4 and R.sup.5 taken together may form a bivalent radical; --A--B-- is --CR.sup.10 .dbd.CR.sup.11 -- or --CHR.sup.10 --CHR.sup.11 --; L is hydrogen; C.sub.1-6 alkyl; C.sub.1-6 alkylcarbonyl; C.sub.1-6 alkyloxycarbonyl; substituted C.sub.1-6 alkyl; C.sub.3-6 alkenyl; substituted C.sub.3-6 alkenyl; piperidinyl; substituted piperidinyl; C.sub.1-6 alkylsulfonyl or arylsulfonyl; having PDE IV and cytokine inhibiting activity. The invention also relates to processes for preparing the compounds of formula (I) and pharmaceutical compositions thereof.
本发明涉及具有以下结构的2-
氰基
亚胺咪唑衍
生物:N-
氧化物形式,药学上可接受的加成盐及其立体化异构体形式,其中R.sup.1和R.sup.2各自独立地为
氢;C.sub.1-6烷基;二
氟甲基;三
氟甲基;C.sub.3-6
环烷基;含有一个或两个
氧、
硫或
氮异原子的饱和5、6或7成员杂环;
茚基;6,7-二
氢-5H-环戊
吡啶基;双环[2.2.1]-
2-庚烯基;双环[2.2.1]庚基;C.sub.1-6烷基磺酰基;芳基磺酰基;或取代的C.sub.1-10烷基;R.sup.3为
氢、卤素或C.sub.1-6烷
氧基;R.sup.4为
氢;卤素;C.sub.1-6烷基;三
氟甲基;C.sub.3-6
环烷基;羧基;C.sub.1-4烷
氧羰基;C.sub.3-6
环烷基
氨基羰基;芳基;Het.sup.1;或取代的C.sub.1-6烷基;或R.sup.4为--O--R.sup.7或--NH--R.sup.8;R.sup.5为
氢、卤素、羟基、C.sub.1-6烷基或C.sub.1-6烷
氧基;R.sup.6为
氢或C.sub.1-4烷基;或R.sup.4和R.sup.6,或R.sup.4和R.sup.5一起可以形成二价基团;--A--B--为--CR.sup.10 .dbd.CR.sup.11--或--CHR.sup.10--CHR.sup.11--;L为
氢;C.sub.1-6烷基;C.sub.1-6烷基羰基;C.sub.1-6烷
氧羰基;取代的C.sub.1-6烷基;C.sub.3-6
烯基;取代的C.sub.3-6
烯基;
哌啶基;取代的
哌啶基;C.sub.1-6烷基磺酰基或芳基磺酰基;具有PDE IV和细胞因子抑制活性。该发明还涉及制备式(I)化合物的方法以及其制药组合物。