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Preparing 9,9-bis(4-hydroxyphenyl)-fluorene involves subjecting phenol and 9-fluorenone as raw material to condensation reaction with proton acidic functional ionic liquid as catalyst, which comprises anion and cation. 专利
申请日期: 2018-01-01, 公开日期: 2018-02-16
作者:  YU L GAO Z LUO S YAN L SHEN M
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/02
Preparing fluorenone involves mixing raw material fluorene, organic solvent containing aromatic ring in molecule and crown acid, and then adding alkali solution. 专利
申请日期: 2016-01-01, 公开日期: 2016-07-27
作者:  GAO Z HE Y LI H SHI Z YU L XIE H
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/09
Preparing 9-fluorenone comprises mixing fluorene with water as solvent, alkali catalyst, quaternary ammonium salt as phase transfer agent and oxidant and then reacting. 专利
申请日期: 2014-01-01, 公开日期: 2014-05-14
作者:  SHI Z LI H YAN J YU L GAO Z HE Y
收藏  |  浏览/下载:15/0  |  提交时间:2019/12/11
Preparation of high-purity 9-fluorenone involves providing industrial fluorene as raw material, adding aromatic organic solvents, alkali solution and quaternary ammonium salts, cooling reaction solution, crystallizing and filtering. 专利
申请日期: 2014-01-01, 公开日期: 2014-05-21
作者:  SHI Z LI H YAN J YU L GAO Z HOU L
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/11
Preparing 9-fluorenone from industrial fluorine using e.g. alkali catalyst comprises e.g. dissolving industrial fluorene and quaternary ammonium salt in toluene to prepare oil phase, preparing aqueous phase alkali solution, mixing, layering. 专利
申请日期: 2013-01-01, 公开日期: 2013-12-25
作者:  LI H JUNG D YU L GAO Z HE Y
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/13
New bis(maleimide-aryl ether)substituted fluorene compounds with halogen, aliphatic and aromatic alkyl groups. 专利
申请日期: 2013-01-01, 公开日期: 2013-12-25
作者:  XIONG X ZHAO X CHEN P FAN S ZHANG L
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/13
Preparation of 9-fluorenone involves combining fluorene and quaternary ammonium salt, dissolving in nitrogen-containing heterocyclic compound to obtain oil phase, and dissolving alkali catalyst in water to obtain aqueous phase. 专利
申请日期: 2013-01-01, 公开日期: 2013-12-11
作者:  YU L LI H GAO T GAO Z HE Y
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/13
FRET-based two photon three dimensional optical data storage 专利
专利号: US7964333, 申请日期: 2011-06-21, 公开日期: 2011-06-21
作者:  BELFIELD, KEVIN D
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/23
Treating 9,9-bis(methoxymethyl)fluorene involves adding 9,9-bis(methoxymethyl)fluorene, solvent and modified nickel catalyst to high-pressure kettle, sealing, heating, and reacting at specified temperature. 专利
申请日期: 2011-01-01, 公开日期: 2011-01-26
作者:  HU S LI H DU W LV L HOU Z LIU Y
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/18
Novel 2,3,6,7-amido-9,9'-dialkyl substituted fluorene for semiconductor material, comprises o-diamido structure. 专利
申请日期: 2008-01-01, 公开日期: 2008-02-27
作者:  XIAO Y LI X
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/27


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