申请人:Wacker-Chemie GmbH
公开号:US05136049A1
公开(公告)日:1992-08-04
The present invention relates to compounds of formula (I): ##STR1## in which A represents the same or different heteroaryl radicals and substituted heteroaryl radicals; B represents dihydroheteroarenediylidene radicals or substituted dihydroheteroarenediylidene radicals or radicals obtainable from these radicals by oxidation on at least one hetero atom; and R' and R" represent the same or different radicals, in particular hydrogen atoms, C.sub.1 - to C.sub.4 -alkyl radicals or radicals A, or cyano radicals, halogen atoms, radicals of the formula --COOR, or --OR, wherein R is a C.sub.1 - to C.sub.4 -alkyl radical, processes for preparing the same and polymers prepared therefrom.
本发明涉及式(I)的化合物:##STR1## 其中A代表相同或不同的杂环基团和取代的杂环基团;B代表二氢杂芳二烯基亚甲基基团或取代的二氢杂芳二烯基亚甲基基团或由至少一个杂原子氧化得到的基团;R'和R"代表相同或不同的基团,特别是氢原子,C.sub.1-至C.sub.4-烷基基团或基团A,或氰基团、卤素原子、公式--COOR或--OR的基团,其中R是C.sub.1-至C.sub.4-烷基基团,以及制备它们的方法和由它们制备的聚合物。