申请人:Bayer Aktiengesellschaft
公开号:US04721719A1
公开(公告)日:1988-01-26
Reducing blood sugar with the novel dihydropyridinelactols, or salts thereof, of the formula ##STR1## in which R.sup.1 represents a phenyl, naphthyl, thienyl, pyridyl, chromonyl, thiochromonyl or thiochromenyl radical, the stated radicals optionally containing 1 or 2 identical or different substituents from the group consisting of fluorine, chlorine and bromine, alkyl, alkoxy and alkylthio, each having 1 to 6 carbon atoms, and fluoroalkyl or fluoroalkoxy, each having up to 3 carbon atoms and 3 fluorine atoms, and nitro and cyano, R.sup.2 represents a straight-chain, branched or cyclic alkyl having up to 12 carbon atoms which is optionally interrupted by 1 or 2 oxygen or sulphur atoms and which is optionally substituted by fluorine, chlorine, phenyl, cyano, hydroxyl, amino, C.sub.1 -C.sub.3 -alkylamino, di-C.sub.1 -C.sub.3 -alkylamino or N-benzylmethylamino, R.sup.3 represents cyano or straight-chain or branched alkyl which has up to 4 carbon atoms and is optionally interrupted in the chain by N-C.sub.1 -C.sub.3 -alkyl and/or oxygen, and R.sup.4 represents straight-chain, branched or cyclic alkyl which has up to 6 carbon atoms and is optionally interrupted by 1 or 2 oxygen atoms and is substituted by one or more radicals from amongst fluorine, chlorine, hydroxyl, phenyl, amino, carboxyl and C.sub.1 -C.sub.4 -alkoxycarbonyl.
利用新颖的二氢吡啶内酯或其盐降低血糖的方法,其化学式为##STR1##其中R.sup.1代表苯基、萘基、噻吩基、吡啶基、色苯基、噻色苯基或噻色烯基,所述基团可选择性地含有1或2个相同或不同的取代基,包括氟、氯和溴、烷基、烷氧基和硫代烷基,每个基团含有1至6个碳原子,以及氟烷基或氟烷氧基,每个基团含有最多3个碳原子和3个氟原子,以及硝基和氰基,R.sup.2代表直链、支链或环状烷基,最多含有12个碳原子,可由1或2个氧原子或硫原子中断,可选择性地由氟、氯、苯基、氰基、羟基、氨基、C.sub.1-C.sub.3-烷基氨基、二-C.sub.1-C.sub.3-烷基氨基或N-苄基甲基氨基取代,R.sup.3代表氰基或最多含有4个碳原子的直链或支链烷基,链中可选择性地由N-C.sub.1-C.sub.3-烷基和/或氧原子中断,R.sup.4代表最多含有6个碳原子的直链、支链或环状烷基,可由1或2个氧原子中断,并由氟、氯、羟基、苯基、氨基、羧基和C.sub.1-C.sub.4-烷氧羰基中的一个或多个基团取代。