CAS: 2041-19-2; 3-Bromo-9H-Fluoren-9-One

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2-(Toluene-4-Sulfonylamino)-Benzoyl Chloride置于三氯化铝,硫酸,Sodium Nitrite体系中,化学反应生成3-溴-9H-芴-9-酮
参考文献:The Higher Benzenoid Hydrocarbons. Ii. The Isomeric Bromofluorenones1
标题:The Higher Benzenoid Hydrocarbons. Ii. The Isomeric Bromofluorenones1
摘要:
Doi:10.1021/ja01315A038

专利信息

专利号:US-11655264-B2
优先权日:2015-11-25
标题:Metallocene compounds, and preparation and use thereof for synthesis of poly-alpha-olefins as lubricating base oil
发明人：WEI DONGCHU; LI BING
权利人:APALENE TECH CO LTD JIAXING
摘要:The present invention relates to a metallocene compound, and preparation and use thereof, and the compound can be used as a catalyst for synthesis of poly-α-olefin as lubricating base oil. The metallocene compound includes a substituted aryl group, a bridged atom, an optionally unsubstituted, 3-mono-substituted or 3,6-disubstituted 5H-indeno [1,2-b] pyridyl group or optionally unsubstituted, 3-mono-substituted or 3,6-disubstituted 5H-indeno [1,2-b] thiopyranyl group, and a metal coordination group. As a catalyst, the metallocene compound is shown to be structurally stable and high in catalytic efficiency, and the preparation of the catalyst is relatively easy in operation, high in yield, low in cost, low in pollution and easy to scale up for industrial production.

专利号:US-2018258112-A1
优先权日:2015-11-25
标题 :Metallocene compounds, and preparation and use thereof for synthesis of poly-alpha-olefins as lubricating base oil

专利号:CN-112521365-B
优先权日:2020-11-06
标 题 :Synthesis and degradation method of phenanthrene ketal