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公开(公告)号:US08563751B2
公开(公告)日:2013-10-22
申请号:US13140564
申请日:2009-12-22
申请人: Tomoya Yamamoto , Seiji Kawano , Kouji Muragaki
发明人: Tomoya Yamamoto , Seiji Kawano , Kouji Muragaki
IPC分类号: C07D307/89 , C07D407/10
CPC分类号: C07D307/89
摘要: Disclosed is a method for manufacturing a trimellitic anhydride aryl ester in an efficient, high-yielding manner, wherein carboxylic acid lithium salt is used as a catalyst when a carboxylic acid aryl ester and trimellitic anhydride are caused to undergo an ester exchange reaction to manufacture a trimellitic anhydride aryl ester.
摘要翻译: 公开了一种以有效的高收率方式制备偏苯三酸酐芳基酯的方法,其中当使羧酸芳酯和偏苯三酸酐进行酯交换反应制造时,使用羧酸锂盐作为催化剂 偏苯三酸酐芳基酯。
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公开(公告)号:US20120029215A1
公开(公告)日:2012-02-02
申请号:US13140564
申请日:2009-12-22
申请人: Tomoya Yamamoto , Seiji Kawano , Kouji Muragaki
发明人: Tomoya Yamamoto , Seiji Kawano , Kouji Muragaki
IPC分类号: C07D407/12
CPC分类号: C07D307/89
摘要: Disclosed is a method for manufacturing a trimellitic anhydride aryl ester in an efficient, high-yielding manner, wherein carboxylic acid lithium salt is used as a catalyst when a carboxylic acid aryl ester and trimellitic anhydride are caused to undergo an ester exchange reaction to manufacture a trimellitic anhydride aryl ester.
摘要翻译: 公开了一种以有效的高收率方式制备偏苯三酸酐芳基酯的方法,其中当使羧酸芳酯和偏苯三酸酐进行酯交换反应制造时,使用羧酸锂盐作为催化剂 偏苯三酸酐芳基酯。
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公开(公告)号:US06872858B2
公开(公告)日:2005-03-29
申请号:US10467187
申请日:2002-02-07
申请人: Kouji Muragaki , Tadashi Hiramine , Hiroyasu Ohno
发明人: Kouji Muragaki , Tadashi Hiramine , Hiroyasu Ohno
CPC分类号: C07C39/23 , C07C37/003 , C07C37/06 , C07C37/20 , C07C37/52 , C07C39/15 , C07C39/17 , C07C2601/14 , C07C2601/16
摘要: The invention provides a diphenol represented by the general formula (I) wherein X is a divalent cyclic hydrocarbon group selected from 1-cyclohexene-1,4-ylene group, 1,4-cyclohexylene group and p-phenylene group, R is an alkyl group of 1-4 carbon atoms, n is 0 or an integer of 1-3 when X is 1-cyclohexene-1,4-ylene group and an integer of 1-3 when X is 1,4-cyclohexylene group or p-phenylene group. The invention further provides a process for the production of the same.
摘要翻译: 本发明提供由通式(I)表示的二酚,其中X为选自1-环己烯-1,4-亚基,1,4-亚环己基和对亚苯基的二价环状烃基,R为烷基 1-4个碳原子的基团,当X是1-环己烯-1,4-亚基时,n是0或1-3的整数,当X是1,4-亚环己基或对 - 亚苯基。 本发明还提供了一种制备该方法的方法。
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