| 摘要 |
PROBLEM TO BE SOLVED: To provide a new acylphosphine oxide compound which can impart high dentin adhesiveness to a composition, when combined with a polymerizable monomer to form the composition, and can impart stable adhesiveness little in irregularity among adhesion operations.SOLUTION: There is provided a compound (I) represented by general formula (1), [wherein, Rto Rare each independently H, a group represented by general formula (2), or a 1 to 20C organic group which may have one or more substituents; at least one of Rto Ris a group represented by general formula (2), (wherein, Ris H or a 1 to 20C organic group which may have one or more substituents; Ris H, or a 1 to 20C organic group which may have one or more substituents; X is O, S, -C(R)(R)- (Rand Rare each independently H or a 1 to 20C organic group which may have one or more substituents), or -N(R)- (Ris H or a 1 to 20C organic group which may have one or more substituents))]. |
