尤物精品视频在线_亚洲av无码成h人动漫电影午夜_性生活一级三级片_亚洲婷婷五月激情综合中文字幕_天天看av片在线观看_亚洲性色AV综合色区无码三区_岛国在线无码免费观看_欧美日韩高清久久_男人操女人逼的色网视频_国产高清一国产AV麻豆网

The existing production process of methyl octabromoether is similar to octabromoether, including three steps of synthesis: ① synthesis of tetrabromobionic acid A by bromination from bisphenol A; ② Tetrabromobisphenoic acid A reacts with allyl, or 2-methyl allyl halide to produce tetrabromobisphenol A diallyl ether, referred to as tetrabromoether intermediate; ③ Tetrabromoether is then added with bromine to obtain octabromoether or methyl octabromoether.