Acid and Base-Catalyzed Hydrolysis of Bisphenol A-Related Compounds
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概要
- 論文の詳細を見る
In order to ascertain whether an estrogenic bisphenol A is produced from bisphenol A-related monomers by chemical-induced hydrolysis and to clarify their hydrolytic mechanisms, bisphenol A dimethacrylate (Bis-DMA) and bisphenol A bis(glycidyl methacrylate) (Bis-GMA) were reacted with phosphoric acid, hydrochloric acid, and sodium hydroxide in methanol or methanol / water mixed media at 37℃. Amounts of monomethacrylate intermediates as well as bisphenol A (BPA) were determined by the use of high-performance liquid chromatography (HPLC), and time-conversion curves of hydrolytic products were prepared. BPA and bisphenol A monomehtacrylate were produced by acid-catalyzed hydrolysis of Bis-DMA. Bis-GMA was partly converted into monomethacrylate by phosphoric acid and into monomethacrylate and 2, 2-bis[4-(2, 3-dihydroxypropxy)phenyl]propane (BHP) by hydrochloric acid. Hydrolytic reactions by sodium hydroxide were completed almost within 1 day, resulting in the production of BPA from Bis-DMA, and BHP from Bis-GMA. No BPA was formed from Bis-GMA by chemical-induced hydrolysis. The hydrolytic behaviors of these monomers were discussed.
- 日本歯科理工学会の論文
著者
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Kadoma Yoshinori
Department Of Applied Functional Molecules Division Of Biofunctional Molecules Institute Of Biomater
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Tanaka Mitsuo
Department Of Biochemistry And Molecular Biology Nihon University School Of Dentistry At Matsudo
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Kadoma Yoshinori
Department Of Applied Functional Molecules Division Of Biofunctional Molecules Institute Of Biomater
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Tanaka Mitsuo
Department Of Pediatric Dentistry Faculty Of Dentistry Tokyo Medical And Dental University
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Tanaka Mitsuo
Department Biochemistry Faculty Of Science Okayama University Of Science
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