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1.发明授权HYDROXYLATION PROCESS FOR AROMATIC COMPOUNDS CONTAINING A DIOXA- HETEROCYCLIC SYSTEM 有权羟化芳香族化合物一个是系统中DIOXAHETEROCYCLISCHES
公开(公告)号：EP1532093B1
公开(公告)日：2006-03-29
申请号：EP03784005.5
申请日：2003-07-02
IPC分类号： C07C37/60
CPC分类号： C07D317/64
摘要： Process for the hydroxylation of aromatic compounds containing a dioxa-heterocyclic system which comprises directly hydroxylating said compounds with hydrogen peroxide in; the presence of a zeolitic catalyst having the general formula: xTi02'(1 -x)Si02 wherein x is i a number ranging from 0.0001 to 0.04.
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2.发明公开HYDROXYLATION PROCESS FOR AROMATIC COMPOUNDS CONTAINING A DIOXA- HETEROCYCLIC SYSTEM 有权羟化芳香族化合物一个是系统中DIOXAHETEROCYCLISCHES
公开(公告)号：EP1532093A1
公开(公告)日：2005-05-25
申请号：EP03784005.5
申请日：2003-07-02
IPC分类号： C07C37/60
CPC分类号： C07D317/64
摘要： Process for the hydroxylation of aromatic compounds containing a dioxa-heterocyclic system which comprises directly hydroxylating said compounds with hydrogen peroxide in; the presence of a zeolitic catalyst having the general formula: xTi02'(1 -x)Si02 wherein x is i a number ranging from 0.0001 to 0.04.
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公开(公告)号：EP1248762A1
公开(公告)日：2002-10-16
申请号：EP00983191.8
申请日：2000-11-29
IPC分类号： C07C51/347 , C07C51/367 , C07C65/21 , C07C65/24 , C07C65/40
CPC分类号： C07C51/367 , C07C51/347 , C07C65/21 , C07C65/24 , C07C65/40
摘要： Process for the preparation of ethers of hydroxybenzoic acid having general formula (I), which comprises reacting a hydroxybenzoic acid, optionally substituted, with a halide XR1, wherein X is a halogen such as chlorine, in a basic environment and in an aqueous or aqueous/organic biphasic solvent.
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4.发明公开Process for the preparation of aromatic compounds containing a heterocyclic system 失效一种用于含有杂环体系的制备芳族化合物的工艺
公开(公告)号：EP0877023A1
公开(公告)日：1998-11-11
申请号：EP98201360.9
申请日：1998-05-01
IPC分类号： C07D317/50 , C07D317/54
CPC分类号： C07D317/50 , C07D317/54
摘要： Process for the preparation of aromatic compounds containing a heterocyclic system, having general formula (II):
which comprises reacting catechol, optionally substituted, with a methylene dihalide in a basic environment and in the presence of a solvent medium consisting of N-methylpyrrolidone.摘要翻译： 制备含有杂环体系的芳族化合物的制备中，具有通式（II）：
该方法包括使儿茶酚，任选substituiertem，在碱性环境中的二卤甲烷和在由N-的溶剂介质存在下 甲基吡咯烷酮。 -
5.发明授权Process for the preparation of aromatic compounds containing a heterocyclic system 失效一种用于含有杂环体系的制备芳族化合物的工艺
公开(公告)号：EP0877023B1
公开(公告)日：2003-11-26
申请号：EP98201360.9
申请日：1998-05-01
IPC分类号： C07D317/50 , C07D317/54
CPC分类号： C07D317/50 , C07D317/54
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