-
公开(公告)号：EP4001251A1
公开(公告)日：2022-05-25
申请号：EP20841400.3
申请日：2020-07-13
发明人： SAKUMA, Daichi , SUTO, Takeru
IPC分类号： C07C67/31 , C07C69/712
摘要： An object is to provide a novel method for producing a binaphthyl, the method achieving good reaction efficiency and allowing an inorganic salt to be easily removed. As a solution, a method for producing a 2,2'-bis(alkoxycarbonylmethoxy)-1,1'-binaphthyl represented by formula (2), the method including reacting 1,1'-binaphthalene-2,2'-diol and a chloroacetic acid ester represented by formula (1) with each other in a C5 to C8 aliphatic ketone solvent in the presence of an alkali metal iodide, is provided.
-
公开(公告)号：EP3632956A1
公开(公告)日：2020-04-08
申请号：EP18805917.4
申请日：2018-05-17
发明人： OZAKI Mitsutaka , HASHIMOTO Miwa , SUTO Takeru
摘要： The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid with substantially reduced low-molecular-weight components, no or a substantially reduced amount of chlorine-containing compounds, high loose bulk density, and ease of handling. The aromatic polycarbonate oligomer solid contains a repeating unit represented by formula (1), has a weight average molecular weight of 500 to 10,000, low-molecular-weight components less than or equal to 5.0 area% measured with high-speed liquid chromatography, and a loose bulk density of greater than or equal to 0.30 g/cm 3 .
-
公开(公告)号：EP3632954A1
公开(公告)日：2020-04-08
申请号：EP18805324.3
申请日：2018-05-17
发明人： OZAKI, Mitsutaka , HASHIMOTO, Miwa , SUTO, Takeru
IPC分类号： C08G64/04
摘要： The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid with substantially reduced low-molecular-weight components, no or a substantially reduced amount of chlorine-containing compounds, high loose bulk density, and ease of handling. The aromatic polycarbonate oligomer solid contains a repeating unit represented by formula (1), has a weight average molecular weight of 500 to10,000, low-molecular-weight components less than or equal to 5.0 area% measured with high-speed liquid chromatography, and a loose bulk density of greater than or equal to 0.22 g/cm 3 .
-
公开(公告)号：EP1440960B1
公开(公告)日：2009-03-25
申请号：EP03025109.4
申请日：2003-10-31
发明人： Kawahara, Mikio , Kitaura, Toyokazu
-
15.发明授权Hydroxyphenyl adamantanes and process for the production of the same 有权羟基苯基金刚烷和Verfahren zu ihrer Herstellung
公开(公告)号：EP1336597B1
公开(公告)日：2008-07-16
申请号：EP03003477.1
申请日：2003-02-14
CPC分类号： C07C39/17 , C07C37/16 , C07C2601/14 , C07C2603/74
-
公开(公告)号：EP1352888B1
公开(公告)日：2007-06-13
申请号：EP03007910.7
申请日：2003-04-07
IPC分类号： C07C39/12 , C07C39/367 , C07C37/20
CPC分类号： C07C37/20 , C07C39/12 , C07C39/367 , C07C2601/14 , C07C39/17
-
17.发明授权Production of alkali metal cyclopentadienylides and production of dihalobis(eta-substituted-cyclopentadienyl) zirconium from alkali metal cyclopentadienylides 有权生产碱金属Cyclopentadienidverbindungen的，并准备与茂锆该化合物的
公开(公告)号：EP0926150B1
公开(公告)日：2005-09-07
申请号：EP98310534.7
申请日：1998-12-21
发明人： Yokoyama, Keiichi, Honshu Chemical Ind. Co., Ltd , Sugiyama, Kenji, Honshu Chemical Industry Co., Ltd , Yoshikawa, Akira, Honshu Chemical Ind. Co., Ltd
CPC分类号： C07F17/00 , C07F1/02 , C07F1/04 , Y10S526/943
-
18.发明授权Process for the production of alpha,alpha'-bis (4-p-hydroxyphenyl)-1,3-diisopropylbenzene 有权一种用于α，α'-双（4-对羟基苯基）-1,3-二异丙基苯的制备方法
公开(公告)号：EP1061061B1
公开(公告)日：2003-08-20
申请号：EP00305043.2
申请日：2000-06-14
-
19.发明公开PROCESS FOR PRODUCING 1,1-BIS(4-HYDROXYPHENYL)-3,3,5-TRIMETHYLCYCLOHEXANE 有权VERFAHREN ZUR HERSTELLUNG VON 1,1-BIS-（4-羟基苯基）-3,3,5-三甲基环己烷
公开(公告)号：EP1318132A1
公开(公告)日：2003-06-11
申请号：EP00957100.1
申请日：2000-09-11
发明人： YAO, Kazuhiko, Honshu Chemical Industry Co., Ltd. , EKAWA, Kenji, Honshu Chemical Industry Co., Ltd. , ISOTA, Yoichiro Honshu Chemical Industry Co., Ltd. , NAKAGUCHI, Toru Honshu Chemical Industry Co., Ltd.
CPC分类号： C07C37/84 , C07C37/20 , C07C2527/173 , C07C2601/14 , C07C39/17
摘要： A process for production of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane which comprises reacting phenol with 3,3,5-trimethylcyclohexanone in the presence of an acid catalyst, separating the resulting phenol adduct crystals of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane from the resulting reaction mixture, and removing the phenol from the phenol adduct crystals, wherein the phenol adduct crystals are dissolved in a crystallization solvent comprising an aromatic hydrocarbon solvent and water, crystallizing the crystals of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane out of the crystallization solvent, and collecting the crystals by filtration at a temperature of 40-60°C.
摘要翻译： 1,1-双（4-羟基苯基）-3,3,5-三甲基环己烷的制备方法，其包括在酸催化剂存在下使苯酚与3,3,5-三甲基环己酮反应，将所得苯酚加合物晶体 从所得反应混合物中加入1,1-双（4-羟基苯基）-3,3,5-三甲基环己烷，并从苯酚加合物晶体中除去苯酚，其中苯酚加合物晶体溶于包含芳烃溶剂 和水，使结晶溶剂中的1,1-双（4-羟基苯基）-3,3,5-三甲基环己烷的结晶结晶，并在40-60℃的温度下过滤收集晶体。
-
公开(公告)号：EP0995737B1
公开(公告)日：2003-06-04
申请号：EP99308259.3
申请日：1999-10-20
发明人： Isota, Yoichiro, Honshu Chemical Ind. Co. Ltd. , Nakaguchi, Toru, Honshu Chemical Ind. Co. Ltd. , Takenaka, Hiroshi, Honshu Chemical Ind. Co. Ltd. , Yao, Kazuhiko, Honshu Chemical Ind. Co. Ltd.
IPC分类号： C07C39/17 , C07C37/20 , C08G63/193 , C08G75/23 , C08G8/02 , C07C41/01 , C07D209/48
CPC分类号： C08G64/06 , C07C37/20 , C07C2601/14 , C08G75/23 , C07C39/17
-
-
-
-
-
-
-
-
-
搜索结果
68 条记录 (耗时 0.02 秒)
