| 摘要 |
A compound which is bondable to tooth substrates, and has the following general formula: <IMAGE> wherein: R1 is a substituted naphthyl group having a <IMAGE> group at any one of the 1,2-, 2,3- and 1,8- positions, R2 is any of the following groups having any one of carboxylate, carbonyl, and -O- moiety, to be connected to R1: a group having the formula -(CH2)m- in which m=1-4, a group having the formula -(CH2)n-COO-(CH2)p- in which n NOTEQUAL 0, p NOTEQUAL 0, and n+p=2-4, or a group having the formula -(CH2-CH2O)q-CH2-CH2- in which q=1 or 2, wherein when said R1 group is substituted at the 1,2 position, then R2 is bonded to the naphthyl group at any one of the 4, 5, 6 and 7 positions; when said R1 group is substituted at the 2,3 position, then R2 is bonded to the naphthyl group at any one of the 5 and 6 positions; and when said R1 group is substituted at the 1,8 position, then R2 is bonded to the naphthyl group at any one of the 3 and 4 positions, and R3 is a hydrogen atom or a methyl group.
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