trans-1,4-diacetoxybutene

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: trans-1,4-diacetoxybutene
• 英文别名: 1,4-diacetoxy butene；1,4-diacetoxybutene；1,4-Diacetoxy-1-butene；[(E)-4-acetyloxybut-3-enyl] acetate
• 化学式: C₈H₁₂O₄
• 分子量: 172.181
• InChiKey: VIRPYONDKXQHHU-HWKANZROSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.6
• 重原子数：
  12
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  trans-1,4-diacetoxybutene 生成 1,4-丁二醇二乙酸酯
  参考文献：
  名称：

  Process for producing diacetoxybutanes and butanediols

  摘要：

  本发明公开了一种在氢化催化剂存在下通过氢化二乙酰氧基丁烯制备二乙酰氧基丁二醇的方法，其中氢化在预定温度范围内的两个阶段进行，第二阶段的温度高于第一阶段的温度，从而以高选择性和高转化率获得产品；以及在固体酸催化剂存在下通过水解上述得到的二乙酰氧基丁烷制备丁二醇的方法。

  公开号：

  US04010197A1

文献信息

• Stilbene derivative, light emitting element material, light emitting element, light emitting device and electronic appliance
  申请人：Egawa Masakazu

  公开号：US20070100180A1

  公开（公告）日：2007-05-03

  An object of the present invention to provide a novel stilbene derivative having a large energy gap. In addition, it is another object of the present invention to provide a novel light emitting element material having a large energy gap which is suitable for a host material in a light emitting layer. Further in addition, it is another object of the present invention to provide a novel light emitting element material having a large energy gap and an electron transporting property. The present invention provides a stilbene derivative represented by a following general formula (3) and a light emitting element material including the stilbene derivative represented thereby: wherein, n is an integer of 0 or more and 2 or less and m is an integer of 1 or more and 2 or less.

  本发明的一个目的是提供一种具有较大能隙的新型蒽醌衍生物。此外，本发明的另一个目的是提供一种适用于光发射层中宿主材料的具有较大能隙的新型发光元件材料。此外，本发明的另一个目的是提供一种具有较大能隙和电子传输性能的新型发光元件材料。本发明提供了一个由下述一般公式（3）表示的蒽醌衍生物和包括所述蒽醌衍生物的发光元件材料：其中，n是0或更多且2或更少的整数，m是1或更多且2或更少的整数。
• PROCESSES FOR THE PREPARATION OF ORGANIC DIESTERS
  申请人：DAICEL CHEMICAL INDUSTRIES, Ltd.

  公开号：EP1044955A1

  公开（公告）日：2000-10-18

  The present invention relates a method of preparing an organic diester which comprises a first step (1) whom a diolefin and a peracid compound are allowed to react to synthesize a monoepoxide, a second step (2) wherein said synthesized monoepoxide is allowed to react with water and carboxylic acid and a third step (3) where the synthesized compounds are allowed to react with an acid anhydride. The present invention also relates to a method of preparing an organic diester wherein in the second step (2), the molar ratio of water and carboxylic acid added into monoepoxide is more than 2 and not more than 20, to an organic diester preparing method wherein monoepoxide is allowed to react with water in the second step (2) and to a method of preparing an organic diester wherein in the second step (2), water and carboxylic acid are removed from the synthesized product and recycled to be used again in said second step (2). The purpose of the present invention is to provide a method of preparing an organic diester having a good selectivity a producing few impurities and using diolefin as a starting material. In the second step (2), when water and carboxylic acid are recycled and used again, it is possible to reduce the load of dumping water and particularly, when 1, 3-butadiene is used as diolefin, acetic acid is used as carboxylic acid and acetic anhydride is used as an acid anhydride it is also possible to reduce the use amount of acetic acid.

  本发明涉及制备有机二酯的方法，包括第一步（1），在该步骤中，将二烯和过氧化物化合物反应以合成单环氧化物；第二步（2），在该步骤中，将合成的单环氧化物与水和羧酸反应；第三步（3），将合成的化合物与酸酐反应。本发明还涉及一种制备有机二酯的方法，其中在第二步（2）中，加入到单环氧化物中的水和羧酸的摩尔比大于2且不大于20；一种有机二酯制备方法，其中单环氧化物在第二步（2）中与水反应；以及一种制备有机二酯的方法，其中在第二步（2）中，从合成的产物中去除水和羧酸并回收以再次使用。本发明的目的是提供一种制备有机二酯的方法，该方法具有良好的选择性，产生少量杂质，并使用二烯作为起始材料。在第二步（2）中，当水和羧酸被回收并再次使用时，可以减少倾倒水的负担，特别是当1,3-丁二烯被用作二烯，乙酸被用作羧酸，乙酸酐被用作酸酐时，也可以减少乙酸的使用量。
• Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing Metathesis
  申请人：——

  公开号：US20020137978A1

  公开（公告）日：2002-09-26

  The invention is directed to the cross-metathesis and ring-closing metathesis reactions between geminal disubstituted olefins and terminal olefins, wherein the reaction employs a Ruthenium or Osmium metal carbene complex. Specifically, the invention relates to the synthesis of &agr;-functionalized or unfunctionalized olefins via intermolecular cross-metathesis and intramolecular ring-closing metathesis using a ruthenium alkylidene complex. The catalysts preferably used in the invention are of the general formula 1 wherein: M is ruthenium or osmium; X and X 1 are each independently an anionic ligand; L is a neutral electron donor ligand; and, R, R 1 R 6 , R 7 , R 8 , and R 9 are each independently hydrogen or a substituent selected from the group consisting of C 1 -C 20 alkyl, C 2 -C 20 alkenyl, C 2 -C 20 alkynyl, aryl, C 1 -C 20 carboxylate, C 1 -C 20 alkoxy, C 2 -C 20 alkenyloxy, C 2 -C 20 alkynyloxy, aryloxy, C 2 -C 20 alkoxycarbonyl, C 1 -C 20 alkylthio, C 1 -C 20 alkylsulfonyl and C 1 -C 20 alkylsulfinyl.

  本发明涉及使用铼或锇金属卡宾配合物进行双取代烯烃和末端烯烃之间的交叉烯烃和环闭合烯烃反应。具体而言，本发明涉及使用铼烷基卡宾配合物通过分子间交叉烯烃和分子内环闭合烯烃反应合成α-官能化或非官能化烯烃。本发明中所使用的催化剂通常具有以下一般式：其中，M为铼或锇；X和X1各自独立为一个阴离子配体；L为一个中性电子给体配体；而R、R1-R6、R7、R8和R9各自独立为氢或从C1-C20烷基、C2-C20烯基、C2-C20炔基、芳基、C1-C20羧酸盐、C1-C20烷氧基、C2-C20烯氧基、C2-C20炔氧基、芳氧基、C2-C20烷氧羰基、C1-C20烷基硫基、C1-C20烷基磺酰基和C1-C20烷基亚磺酰基的基团中选择的基团。
• [EN] PROCESS FOR THE PREPARATION OF 3-METHYLENE-?-BUTYROLACTONE<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE 3-MÉTHYLÈNE-G-BUTYROLACTONE
  申请人：DSM IP ASSETS BV

  公开号：WO2012116977A1

  公开（公告）日：2012-09-07

  The invention relates to a process for the preparation of 3-methylene-γ-butyrolactone (Z), the process comprising a hydroformylation step wherein 1,4-butene-diol (X) or its ester derivative cis-1,4-diacetoxy butene (Y) is subjected to H2 gas and CO gas in the presence of a hydroformylation catalyst, thereby forming an intermediate product comprising a mixture of compounds containing an aldehyde group or a hemiacetal, and an oxidation step wherein the intermediate product or hydrolyzed derivative thereof is oxidized by an oxidation agent thereby forming Z.

  本发明涉及一种制备3-亚甲基-γ-丁内酯(Z)的方法，该方法包括水合甲酰化步骤和氧化步骤。其中，在存在水合甲酰化催化剂的条件下，将1,4-丁二醇(X)或其酯衍生物顺式-1,4-二乙酰氧基丁烯(Y)与H2气体和CO气体反应，从而形成包含醛基或半缩醛的化合物混合物的中间产物；然后，在氧化剂的作用下，将中间产物或其水解衍生物氧化，从而形成Z。
• METHOD FOR PRODUCING HYDRIDE USING UNSATURATED COMPOUND HAVING CARBON NUMBER OF 4 AS RAW MATERIAL
  申请人：Mitsubishi Chemical Corporation

  公开号：US20140135511A1

  公开（公告）日：2014-05-15

  The present invention relates to a method for producing a hydride having a carbon number of 4, comprising contacting, in liquid phase, an unsaturated compound having a carbon number of 4 as a raw material with a solid catalyst obtained by loading a metal element belonging to Groups 9 to 11 of the long periodic table on a support, thereby performing hydrogenation to produce a corresponding hydride having a carbon number of 4, wherein hydrogenation is performed in the presence of, as a solvent, a 1,4-butanediol having a nitrogen component concentration of 1 ppm by weight to 1 wt % in terms of nitrogen atom.

  本发明涉及一种制备碳数为4的氢化物的方法，包括将碳数为4的不饱和化合物作为原料与在载体上负载属于长周期表中9至11族金属元素的固体催化剂在液相中接触，从而进行加氢反应以生成相应的碳数为4的氢化物。其中，在存在1,4-丁二醇作为溶剂的情况下进行加氢反应，1,4-丁二醇中的氮组分浓度为1 ppm重量至1重量％，以产生碳数为4的相应氢化物。