申请人:Anqing Lighting Optoelectronics
Technology Co., Ltd
公开号:EP3892625A1
公开(公告)日:2021-10-13
Disclosed are an acylphosphine oxide compound and a preparation method therefor, which belong to the field of initiators. The method comprises: reacting compound B and compound C under the conditions of an organic base and an organic solvent so as to obtain the acylphosphine oxide compound. The chemical structural formula of compound B is as follows:
the chemical structural formula of compound C is as follows:
and
the chemical structural formula of the acyl phosphine oxide compound is as follows:
wherein R1 is hydrogen, a C1-C6 alkyl group, methoxy, methylthio, dimethylamino, chloroformyl, phenyl, benzoyl, (4-dimethylamino) phenyl, α-naphthyl, β-naphthyl or (9-ethyl-9H-carbazole)-3-yl, R2 and R1 are the same, n is the substitution number of R1 on the corresponding phenyl ring, and is 1, 2 or 3, and m is the substitution number of R2 on the corresponding phenyl ring, and is 1, 2 or 3. The preparation method is safe and environmentally friendly, and has a high yield.
本发明公开了一种酰基氧化膦化合物及其制备方法,属于引发剂领域。该方法包括:在有机碱和有机溶剂的条件下,使化合物 B 和化合物 C 反应,从而得到酰基氧化膦化合物。化合物 B 的化学结构式如下:
化合物 C 的化学结构式如下:
和
酰基氧化膦化合物的化学结构式如下:
其中 R1 是氢、C1-C6 烷基、甲氧基、甲硫基、二甲基氨基、氯甲酰基、苯基、苯甲酰 基、(4-二甲基氨基)苯基、α-萘基、β-萘基或(9-乙基-9H-咔唑)-3-基、R2 和 R1 相同,n 是 R1 在相应苯基环上的取代数,为 1、2 或 3,m 是 R2 在相应苯基环上的取代数,为 1、2 或 3。该制备方法安全环保,收率高。