申请人:Bayer Aktiengesellschaft
公开号:US04752338A1
公开(公告)日:1988-06-21
(Meth)-acrylic acid esters of the formula ##STR1## in which R.sup.1 and R.sup.2 are each independently hydrogen, chlorine, fluorine or a C.sub.1 - to C.sub.4 -alkyl radical and R.sup.3 and R.sup.4 are identical or different and represent the group ##STR2## wherein Y is a divalent bridge member from the group ##STR3## and Z is a straight-chain or branched hydrocarbon chain which has 2 to 10 carbon atoms, can optionally contain oxygen bridges and is optionally substituted by 1 to 4 acrylate or methacrylate radicals, wherein R.sup.5 represents hydrogen or methyl and R.sup.6 represents hydrogen, C.sub.1 -C.sub.6 - alkyl or phenyl, which are useful as dental materials.
(甲基)丙烯酸酯的化学式为##STR1##其中R.sup.1和R.sup.2各自独立地表示氢、氯、氟或C.sub.1-C.sub.4烷基,而R.sup.3和R.sup.4相同或不同,表示##STR2##其中Y是来自##STR3##的二价桥接成员,Z是直链或支链的碳氢链,具有2到10个碳原子,可以含有氧桥,也可以被1到4个丙烯酸酯或甲基丙烯酸酯基取代,其中R.sup.5表示氢或甲基,R.sup.6表示氢、C.sub.1-C.sub.6烷基或苯基,这些化合物可用作牙科材料。