CAS: 154862-43-8; 3,9-Bis(2,4-Bis(2-Phenylpropan-2-yl)Phenoxy)-2,4,8,10-Tetraoxa-3,9-Diphosphaspiro[5.5]Undecane

上下游产品

2,4-双(α,α-二甲基苯甲基)苯酚 2,4-Di-Cumylphenol 2772-45-4

季戊四醇,2,4-双(α,α-二甲基苯甲基)苯酚置于盐酸,三乙胺,三氯氧磷体系中,用 水,甲苯 用作溶剂,化学反应 11.0H,以97.99%的收率获得3,9-二(2,4-二枯基苯氧基)-2,4,8,10-四氧杂-3,9-二磷杂螺[5.5]十一烷
参考文献:一种耐高温抗氧剂s-9228的合成方法
标题:一种耐高温抗氧剂s-9228的合成方法
摘要:本发明涉及一种耐高温抗氧剂s‑9228的合成方法.以甲苯用作溶剂,季戊四醇与三氯化磷为原料,三乙胺为催化剂,10oc保温2H后,升温至40oc保温2H,控制负压‑0.01Mpa下加热回流2H,反应完成后,补加少量的三氯化磷,加入2,4‑二枯基苯酚,控制负压‑0.01Mpa下,加热回流5H,中和,过滤脱掉溶剂,降温结晶,洗涤干燥,得目标产物.本发明通过控制合成方法,具有所得产品纯度高,收率高,反应条件温和,容易进行,控制简单方便,副产物hcl容易回收等优点.

专利信息

专利号:US-2023047214-A1
优先权日:2020-02-03
标题:Methods for microwave synthesis of degradable polymers for drug delivery
发明人：MURATOGLU ORHUN K; ORAL EBRU; GRINDY SCOTT
权利人:MASSACHUSETTS GEN HOSPITAL
摘要:Provided herein are methods of making degradable, additive-blended polymeric materials using microwave radiation and catalysts. The methods can include incorporation of therapeutic materials into the polymeric materials. There also are provided polymeric materials made by the methods and medical devices comprising the polymeric materials made by the methods.

专利号:US-8278490-B2
优先权日:2009-07-24
标题 :Phase transfer catalyst for synthesis of pentaerythritol diphosphites
发明人：STEVENSON DONALD; LUE PING; LANCE JACOB M
权利人:STEVENSON DONALD; LUE PING; LANCE JACOB M; DOVER CHEMICAL CORP
摘要:The present invention pertains to a process for the preparation of pentaerythritol diphosphites via a one-pot, direct esterification of phosphorus trichloride with pentaerithritol, and either an alkylphenol or an arylalkylphenol which functions both as a reactant and as a solvent, with a phase transfer catalyst such as a quaternary ammonium salt.

专利号:US-2011021839-A1
优先权日:2009-07-24
标题 :Phase transfer catalyst for synthesis of pentaerythritol diphosphites

专利号:CN-118852262-A
优先权日:2024-06-28
标题:Synthesis method of bis 2, 4-dicumyl phenyl pentaerythritol diphosphite

专利号:CN-108707167-B
优先权日:2018-07-05
标题:Synthesis method of high-temperature-resistant antioxidant S-9228