ACYLPHOSPHINE OXIDE COMPOUNDS AND PREPARATION METHODS THEREOF

• Main Authors: Wu, Jin, Huang, Tienan, Zhong, Xiaofeng, Yue, Xiangjun
• Format: Patent
• Language: English
• Published: 07.04.2022
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

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:andthe 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.