2-(4-Methylpentyl)anthracene-9,10-dione | 71308-17-3

• 分子结构分类: 有机化合物 - 苯类化合物 - 蒽
• 英文名称: 2-(4-Methylpentyl)anthracene-9,10-dione
• CAS: 71308-17-3
• 化学式: C₂₀H₂₀O₂
• 分子量: 292.4
• InChiKey: JWXBQHIMYKKGJT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  6.2
• 重原子数：
  22
• 可旋转键数：
  4
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.3
• 拓扑面积：
  34.1
• 氢给体数：
  0
• 氢受体数：
  2

文献信息

• Process for the epoxidation of olefins
  申请人：Degussa AG

  公开号：EP1403259A1

  公开（公告）日：2004-03-31

  The present invention refers to a continuos process for the epoxidation of olefins with hydrogen peroxide in presence of a heterogeneous catalyst promoting the epoxidation reaction, whereby the aqueous reaction mixture comprises: i) an olefin; ii) hydrogen peroxide; iii) less than 100 wppm of alkali metals, earth alkali metals, both irrespective whether in ionic, complex or covalently bonded form, bases or cations of bases having a pkB of less than 4.5, or combinations thereof; and iv) at least 100 wppm of bases or cations of bases having a pkB of at least 4.5 or combinations thereof, whereby the wppm are based on the total weight of hydrogen peroxide in the reaction mixture.

  本发明涉及一种连续的工艺，用于在存在促进环氧化反应的杂化催化剂的情况下，使用双氧水对烯烃进行环氧化反应，其中水相反应混合物包括：i）烯烃；ii）双氧水；iii）少于100 wppm的碱金属、碱土金属，无论是在离子、配合或共价键形式中，具有pkB小于4.5的碱或碱离子，或它们的组合；和iv）至少100 wppm的具有pkB至少为4.5的碱或碱离子，或它们的组合，其中wppm基于反应混合物中双氧水的总重量。
• [EN] PROCESS FOR THE EPOXIDATION OF AN OLEFIN<br/>[FR] PROCÉDÉ D'ÉPOXYDATION D'UNE OLÉFINE
  申请人：EVONIK DEGUSSA GMBH

  公开号：WO2017089074A1

  公开（公告）日：2017-06-01

  In aprocess for the epoxidation ofan olefin by continuously reacting the olefinwith hydrogen peroxidein a methanol solvent on a fixed bed epoxidation catalyst comprising a titanium zeolite, the hydrogen peroxide is used as an aqueous hydrogen peroxide solution made by an anthraquinone process, the aqueous hydrogen peroxide solution is mixed with methanol to give a feed mixture and this feed mixture is filtered before being contacted with the fixed bed epoxidation catalyst.

  在一种工艺中，通过在固定床环氧化催化剂上连续反应烯烃和过氧化氢的甲醇溶液，进行烯烃环氧化。其中，过氧化氢是由蒽醌法制备的水合过氧化氢溶液，将水合过氧化氢溶液与甲醇混合，形成进料混合物，然后在与固定床环氧化催化剂接触之前对该进料混合物进行过滤。
• Novel aqueous hydrogen peroxide solutions
  申请人：Degussa AG

  公开号：EP1403219A1

  公开（公告）日：2004-03-31

  The present invention refers to an aqueous hydrogen peroxide solution comprising: i) less than 50 wppm alkali metals, alkaline earth metals or combinations thereof in total, irrespective whether the alkali or alkaline earth metals are present in cationic or complex form; ii) less than 50 wppm of amines having a pkB of less than 4.5 or the corresponding protonated compounds in total; and iii) at least 100 wppm anions or compounds that can dissociate to form anions in total, whereby the wppm are based on the weight of hydrogen peroxide and the concentration of hydrogen peroxide is more than 50 % by weight based on the total weight of the hydrogen peroxide solution, a process for preparation of said hydrogen peroxide solution and the use of said solution in a process for epoxidation of olefins.

  本发明涉及一种过氧化氢水溶液，其中包括 i) 碱金属、碱土金属或其组合的总量少于 50 wppm，不论碱金属或碱土金属是以阳离子形式还是以络合物形式存在； ii) pkB 小于 4.5 的胺或相应的质子化化合物总量小于 50 wppm；以及 iii) 可离解形成阴离子的阴离子或化合物总量至少 100 wppm、 其中，wppm 是基于过氧化氢的重量，而过氧化氢的浓度超过过氧化氢溶液总重量的 50%、 制备所述过氧化氢溶液的工艺以及在烯烃环氧化工艺中使用所述溶液的工艺。
• A PROCESS FOR PREPARING 1,2-PROPANEDIOL FROM PROPANE
  申请人：Evonik Operations GmbH

  公开号：EP3988528A1

  公开（公告）日：2022-04-27

  The process for preparing 1,2-propanediol comprises a step of dehydrogenating propane to provide a product stream comprising propane, propene and hydrogen; separation steps separating the product stream into a stream consisting essentially of hydrogen, a stream enriched in propane and a stream enriched in propene; a step of reacting the stream consisting essentially of hydrogen with oxygen to provide a stream comprising hydrogen peroxide; a step of reacting the stream enriched in propene with the stream comprising hydrogen peroxide in the presence of a catalyst mixture comprising a phase transfer catalyst and a heteropolytungstate in a reaction mixture with two liquid phases; and steps of separating the reaction mixture of the propene oxidation into an aqueous phase and an organic phase, recycling the organic phase to the propene oxidation and separating 1,2-propanediol from the aqueous phase.

  制备1,2-丙二醇的工艺包括丙烷脱氢步骤，以提供由丙烷、丙烯和氢组成的产品流；分离步骤，将产品流分离成基本上由氢组成的流，富含丙烷的流和富含丙烯的流；步骤，使基本上由氢组成的流与氧反应，以提供由过氧化氢组成的流；在由相转移催化剂和杂多钨酸盐组成的催化剂混合物存在下，在具有两个液相的反应混合物中使富含丙烯的液流与富含过氧化氢的液流反应的步骤；以及将丙烯氧化反应混合物分离成水相和有机相，将有机相循环用于丙烯氧化，并从水相中分离出1,2-丙二醇的步骤。
• Integrated process for making propene oxide and an alkyl tert-butyl ether
  申请人：EVONIK DEGUSSA GMBH

  公开号：US10053438B2

  公开（公告）日：2018-08-21

  An integrated process for making propene oxide and an alkyl tert-butyl ether comprises dehydrogenating a feed stream comprising iso-butane to provide a stream comprising iso-butene and hydrogen and separating this stream into a stream consisting essentially of hydrogen and a stream comprising iso-butene; reacting a part or all of the stream comprising iso-butene with an alkanol in the presence of a solid acid catalyst to provide an alkyl tert-butyl ether; reacting a part or all of the stream consisting essentially of hydrogen with oxygen, providing a stream comprising hydrogen peroxide; and reacting a part or all of the stream comprising hydrogen peroxide with propene in the presence of an epoxidation catalyst to provide propene oxide.

  一种制造氧化丙烯和烷基叔丁基醚的综合工艺，包括对由异丁烷组成的进料流进行脱氢，以提供由异丁烯和氢气组成的料流，并将该料流分离成基本上由氢气组成的料流和由异丁烯组成的料流；在固体酸催化剂存在下，使部分或全部由异丁烯组成的料流与烷醇反应，生成烷基叔丁基醚；使部分或全部基本上由氢气组成的料流与氧气反应，生成由过氧化氢组成的料流；以及在环氧化催化剂存在下，使部分或全部由过氧化氢组成的料流与丙烯反应，生成氧化丙烯。