申请人:Takeda Chemical Industries, Ltd.
公开号:US05580863A1
公开(公告)日:1996-12-03
This invention relates to a compound represented by the formula: ##STR1## wherein B represents a hydrogen atom or a lower alkyl group; ring A represents a benzene ring which may have one or more substituents; .multidot..multidot..multidot..multidot..multidot. represents a single or double bond; Q.sub.1 represents the group represented by the formula, ##STR2## or a hydrocarbon residue substituted with the group represented by the formula, ##STR3## wherein X represents a bond or a spacer having a chain length of 1 to 4 atoms as the linear moiety which may have one or more side chains; R.sup.1 and R.sup.2, whether identical or not, independently represent a hydrogen atom or a lower alkyl, or may bind together to form a ring; Q.sub.2 represents a hydrogen atom, a hydrocarbon residue which may be substituted or a heterocyclic ring residue which may be substituted; or a salt thereof.
该发明涉及一种由以下化学式表示的化合物:##STR1## 其中B代表氢原子或较低的烷基基团;环A代表可能有一个或多个取代基的苯环;...表示单键或双键;Q₁代表由以下化学式表示的基团,##STR2## 或被代表为以下化学式的基团取代的烃残基,##STR3## 其中X代表具有1至4个原子作为线性基团的键或间隔物,可能有一个或多个侧链;R₁和R₂,无论是否相同,独立地代表氢原子或较低的烷基,或者可以结合在一起形成一个环;Q₂代表氢原子、可能被取代的烃残基或可能被取代的杂环环残基;或其盐。