申请人:Janssen Pharmaceutica N.V.
公开号:US05854261A1
公开(公告)日:1998-12-29
The present invention concerns novel oxadiazole derivatives of formula (I) ##STR1## the N-oxide forms, the pharmaceutically acceptable acid addition salts and the stereochemically isomeric forms thereof, wherein R.sup.1 is hydrogen or halo; R.sup.2 is C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl; R.sup.3 is hydrogen; or R.sup.2 and R.sup.3 taken together may form a C.sub.2-3 alkanediyl radical wherein one or two hydrogen atoms may be replaced by C.sub.1-4 alkyl; R.sup.4 is hydrogen or C.sub.1-6 alkyloxy; X is a bivalent radical of the formula ##STR2## L is a radical of formula -Alk-R.sup.5 or -Alk--O--R.sup.6, Alk is C.sub.1-12 alkanediyl; R.sup.5 is hydrogen, cyano, C.sub.1-6 alkylcarbonyl, C.sub.1-6 alkylsulfinyl, C.sub.1-6 alkylsulfonyl, aryl, arylcarbonyl, tetrahydrofuran, dioxolane, dioxolane substituted with C.sub.1-6 alkyl, dioxane, dioxane substituted with C.sub.1-6 alkyl; R.sup.6 is hydrogen, aryl, C.sub.1-6 alkyl, hydroxyC.sub.1-6 alkyl, C.sub.1-6 alkylcarbonyl; aryl is defined as phenyl or phenyl substituted with up to three substituents selected from halo, C.sub.1-6 alkyl or C.sub.1-6 alkyloxy. It further relates to pharmaceutical compositions comprising them, processes for preparing said compounds and compositions, and the use thereof as a medicine, in particular in the conditions involving a decreased motility of the colon.
本发明涉及以下式的新型噁二唑衍生物(I)的N-氧化物形式,药学上可接受的酸盐和其立体化异构体形式,其中R.sup.1是氢或卤素;R.sup.2是C.sub.1-6烷基,C.sub.2-6烯基或C.sub.2-6炔基;R.sup.3是氢;或R.sup.2和R.sup.3共同形成一个C.sub.2-3烷二基基团,其中一个或两个氢原子可以被C.sub.1-4烷基取代;R.sup.4是氢或C.sub.1-6烷氧基;X是以下式的二价基团;L是以下式的基团-Alk-R.sup.5或-Alk--O--R.sup.6,Alk是C.sub.1-12烷二基基团;R.sup.5是氢,氰基,C.sub.1-6烷基羰基,C.sub.1-6烷基磺基,C.sub.1-6烷基磺酰基,芳基,芳基羰基,四氢呋喃,二氧杂环丁烷,用C.sub.1-6烷基取代的二氧杂环丁烷,二氧杂环已烷,用C.sub.1-6烷基取代的二氧杂环已烷;R.sup.6是氢,芳基,C.sub.1-6烷基,羟基C.sub.1-6烷基,C.sub.1-6烷基羰基;芳基定义为苯基或取代基最多为三个卤素,C.sub.1-6烷基或C.sub.1-6烷氧基之一。此外,还涉及包括它们的药物组合物,制备所述化合物和组合物的方法,以及其作为药物的用途,特别是在涉及结肠动力减低的情况下。