CAS: 21850-44-2; 2,2-Bis[3,5-Dibromo-4-(2,3-Dibromopropoxy)Phenyl]Propane(Granular)

上下游产品

BPA 3-chloroprop-1-ene allyl bromide 2-chloropropene

四溴双酚 A 双烯丙基醚置于氢溴酸,二甲基亚砜体系中,用 水,甲苯,Petroleum Ether 用作溶剂,化学反应 24.0H,以99.8%的收率获得八溴醚
参考文献:一种四溴双酚a-双(2,3-二溴丙基)醚的制备方法
标题:一种四溴双酚a-双(2,3-二溴丙基)醚的制备方法
摘要:本发明属有机合成技术领域,特别涉及一种四溴双酚a‑双(2,3‑二溴丙基)醚的制备方法,先使用具有弱氧化性的二甲基亚砜与氢溴酸反应原位生成中间体硫盐,后与原料四溴双酚a‑双烯丙基醚发生反应,制备得到四溴双酚a‑双(2,3‑二溴丙基)醚,产物收率达98.0%以上,纯度达98.5%以上;本发明提供了一种在温和条件下高效制备四溴双酚a‑双(2,3‑二溴丙基)醚的方法,工艺绿色环保.

专利信息

专利号:US-7601774-B2
优先权日:2004-07-19
标题:Synthesis of aromatic polyhalogenated halomethyl compounds
发明人：KORNBERG NURIT; ADDA MICHAEL; PELED MICHAEL
权利人:BROMINE COMPOUNDS LTD
摘要:The present invention discloses a process for the preparation of highly pure pentabromobenzyl bromide, PBB-Br, wherein the benzylic bromination reaction is carried out in a suitable organic solvent in the presence of water and wherein the reaction temperature is such that it is sufficient to activate the initiator but not high enough to consume a substantial amount thereof.

专利号:US-2007205403-A1
优先权日:2004-07-19
标 题:Synthesis of Aromatic Polyhalogenated Halomethyl Compounds

专利号:WO-2006008738-A1
优先权日:2004-07-19
标题:Synthesis of aromatic polyhalogenated halomethyl compounds

专利号:EP-1773744-A1
优先权日:2004-07-19
标 题:Synthesis of aromatic polyhalogenated halomethyl compounds

专利号:EP-1773744-B1
优先权日:2004-07-19
标题 :SYNTHESIS OF PENTABROMOBENZYL BROMIDE (PBB-Br)

专利号:CN-1989091-A
优先权日:2004-07-19
标 题 :Synthesis of Aromatic Polyhalogenated Halomethyl Compounds