申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05888972A1
公开(公告)日:1999-03-30
A compound of the formula: ##STR1## in which R.sup.4 is acyl, R.sup.5 is lower alkyl, R.sup.6 is optionally substituted ar(lower)alkyl or optionally substituted heterocyclic-(lower)alkyl, R.sup.7 is lower alkyl or lower alkylthio(lower)alkyl, R.sup.8 is carboxy or protected carboxy, A is lower alkylene, Z is a group of the formula: ##STR2## wherein R.sup.1 is hydrogen, lower alkyl, common amino-protective group or optionally substituted ar(lower)alkyl, R.sup.2 is hydrogen, lower alkyl, optionally substituted ar(lower)alkyl, optionally substituted heterocyclic-(lower)alkyl, optionally substituted cyclo(lower)alkyl(lower)alkyl, common amino-protective group, amino(or protected amino)(lower)alkyl, optionally substituted heterocyclic-carbonyl or cyclo(lower)alkyl, and R.sup.3 is optionally substituted heterocyclic(lower)alkyl, and m is an integer of 0 to 2, or pharmaceutically acceptable salts thereof, useful as endothelin antagonist.
一种化合物的化学式为:##STR1##其中R.sup.4为酰基,R.sup.5为较低烷基,R.sup.6为可选择取代的芳基烷基或可选择取代的杂环-(较低)烷基,R.sup.7为较低烷基或较低烷硫基(较低)烷基,R.sup.8为羧基或保护羧基,A为较低烷基,Z为以下结构的基团:##STR2##其中R.sup.1为氢、较低烷基、常见氨基保护基团或可选择取代的芳基烷基,R.sup.2为氢、较低烷基、可选择取代的芳基烷基、可选择取代的杂环-(较低)烷基、可选择取代的环(较低)烷基(较低)烷基、常见氨基保护基团、氨基(或保护氨基)(较低)烷基、可选择取代的杂环酰基或环(较低)烷基,R.sup.3为可选择取代的杂环(较低)烷基,m为0至2的整数,或其药用盐,用作内皮素拮抗剂。