Polymerizable phosphoric acid ester derivative and a dental composition employing it
申请人:Klee E Joachim
公开号:US20060246017A1
公开(公告)日:2006-11-02
The present invention provides a polymerizable phosphoric acid ester derivative having the following formula (A): wherein Z is COOR
1
, COSR
1
, CON(R
1
)
2
, CONR
1
R
2
, or CONHR
1
, R
1
and R
2
independently are a hydrogen atom, a substituted or unsubstituted C
1
to C
18
alkyl group optionally substituted by a C
3
to C
8
cycloalkyl group, a substituted or unsubstituted C
3
to C
8
cycloalkyl group, a substituted or unsubstituted C
4
to C,
18
aryl or heteroaryl group, a substituted or unsubstituted C
5
to C
18
alkylaryl or alkylheteroaryl group, or a substituted or unsubstituted C
7
to C
30
aralkyl group, whereby two R
1
residues may form together with the N-atom to which they are bonded a 5- to 7-membered heterocyclic ring which may contain beside said N-atom a further nitrogen atom or an oxygen atom, and whereby the substituted groups may be substituted by 1 to 5 C
1
to C
5
alkyl group(s); a is an integer of from 1 to 10, preferably 1 to 5; b is an integer of from 1 to 10, preferably 1 to 5; and R represents an organic residue containing a+b carbon atoms selected from primary and secondary aliphatic carbon atoms, secondary alicyclic carbon atoms, and aromatic carbon atoms, each of said carbon atoms linking a phosphate or 2-(oxa-ethyl)acryl derivative group.
本发明提供了一种具有以下式(A)的可聚合磷酸酯衍生物:其中Z为COOR1,COSR1,CON(R1)2,CONR1R2或CONHR1,R1和R2独立地为氢原子,被C3至C8环烷基取代或未取代的C1至C18烷基,被C4至C18芳基或杂芳基取代或未取代的C3至C8环烷基,被C5至C18烷基芳基或烷基杂芳基取代或未取代的C7至C30芳基烷基,其中两个R1残基可以与它们连接的N原子一起形成一个5至7元杂环,该杂环可以在除了所述N原子之外还包含另一个氮原子或氧原子,被取代的基团可以被1至5个C1至C5烷基基团取代;a是1至10的整数,优选为1至5;b是1至10的整数,优选为1至5;R表示一个含有a+b个碳原子的有机残基,所述碳原子选自于一级和二级脂肪碳原子、二级螺环碳原子和芳香碳原子,每个碳原子连接一个磷酸酯或2-(氧乙基)丙烯酰衍生物基团。