申请人:Warner-Lambert Company
公开号:US05721234A1
公开(公告)日:1998-02-24
Novel glutamate receptor antagonists represented by the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein Z is an alicyclic fused ring having 5 to 7 carbon atoms; R.sup.1 is hydrogen, an alkyl or an arylalkyl; and A is O, CH.sub.2, NR.sup.4, CH.sub.2 NR.sup.4, CN, tetrazole or CO wherein R.sup.4 is hydrogen, alkyl, hydroxyalkyl, aminoalkyl or aralkyl, wherein (i) when A is O, CH.sub.2, NR.sup.4 or CH.sub.2 NR.sup.4 then B is hydrogen, alkyl, alkenyl, alkynyl, aryl, aralkyl, hydroxyalkyl, alkoxy, aminoalkyl, heterocyclic, alkylheterocyclic, heterocyclic-methyl, heterocyclic-ethyl, alkylcarbonyl, cycloalkylcarbonyl, arylcarbonyl, aralkylcarbonyl, heterocyclic-carbonyl, alkylheterocyclic-carbonyl, or when A is NR.sup.4 or CH.sub.2 NR.sup.4 then B is a naturally occurring .alpha.-amino acid moiety joined by an amide bond or B joins with R.sup.4 and the nitrogen to form a four to seven membered heterocyclic ring, provided that when Z is a fused cyclohexyl ring and R.sup.4 is hydrogen then B is not hydrogen; (ii) when A is CN then B is not present and Z is not a fused cyclohexyl ring; (iii) when A is tetrazole then B is hydrogen or alkyl having 1 to 6 carbon atoms; and (iv) when A is CO then B is hydroxy, alkoxy, aralkoxy, alkyl having 1 to 6 carbon atoms, aralkyl, NR.sup.7 R.sup.8.
新型谷氨酸受体拮抗剂的化学式为##STR1##或其药用盐,其中Z是一个具有5到7个碳原子的脂环融合环;R.sup.1是氢、烷基或芳基烷基;A是O、CH.sub.2、NR.sup.4、CH.sub.2 NR.sup.4、CN、四唑或CO,其中R.sup.4是氢、烷基、羟基烷基、氨基烷基或芳基烷基,其中(i)当A为O、CH.sub.2、NR.sup.4或CH.sub.2 NR.sup.4时,B是氢、烷基、烯基、炔基、芳基、芳基烷基、羟基烷基、烷氧基、氨基烷基、杂环、烷基杂环、杂环甲基、杂环乙基、烷基羰基、环烷基羰基、芳基羰基、芳基烷基羰基、杂环羰基、烷基杂环羰基,或当A为NR.sup.4或CH.sub.2 NR.sup.4时,B是通过酰胺键连接的天然存在的α-氨基酸基团或B与R.sup.4和氮形成四到七元杂环,前提是当Z是融合的环己基环且R.sup.4是氢时,B不是氢;(ii)当A为CN时,B不存在且Z不是融合的环己基环;(iii)当A为四唑时,B是氢或具有1到6个碳原子的烷基;(iv)当A为CO时,B是羟基、烷氧基、芳基烷氧基、具有1到6个碳原子的烷基、芳基烷基或NR.sup.7 R.sup.8。