申请人:Bayer Aktiengesellschaft
公开号:US05300537A1
公开(公告)日:1994-04-05
For bonding dental fillings to dentine, carboxamide group-containing (meth)acrylic acid ester of the formula ##STR1## in which R.sup.1 denotes hydrogen or methyl, R.sup.2 denotes alkyl (C.sub.1 -C.sub.4) or alkenyl (C.sub.2 -C.sub.4), optionally substituted by hydroxyl, carboxyl, halogen or amino of the formula ##STR2## in which R.sup.4 and R.sup.5 are identical or different and denote hydrogen or lower alkyl, R.sup.3 denotes hydrogen or has one of the abovementioned meanings of R.sup.2 and X is a divalent aliphatic (C.sub.1 -C.sub.6) or cycloaliphatic radical (C.sub.3 -C.sub.6), which can optionally contain one or more oxygen, sulphur and/or --NR.sup.4 -bridges, where R.sup.4 has the abovementioned meaning.
用于将牙齿填充物与牙本质粘合的含有卡box酰胺基的(甲基)丙烯酸酯的公式为##STR1##,其中R.sup.1表示氢或甲基,R.sup.2表示烷基(C.sub.1 -C.sub.4)或烯基(C.sub.2 -C.sub.4),可选地由羟基、羧基、卤素或氨基取代的公式##STR2##,其中R.sup.4和R.sup.5相同或不同,表示氢或低烷基,R.sup.3表示氢或具有上述R.sup.2的任一含义,X是二价的脂肪族(C.sub.1 -C.sub.6)或环脂肪族(C.sub.3 -C.sub.6),可选地含有一个或多个氧、硫和/或-NR.sup.4 -桥,其中R.sup.4具有上述含义。