Methoxybernsteinsaeure-diethylester | 21128-00-7

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: Methoxybernsteinsaeure-diethylester
• 英文别名: methoxy-succinic acid diethyl ester；Methoxy-bernsteinsaeure-diaethylester；methoxy-butanedioic acid, diethyl ester；Diethyl 2-methoxybutanedioate
• CAS: 21128-00-7
• 化学式: C₉H₁₆O₅
• 分子量: 204.223
• InChiKey: CRFNZTOCCSXWQM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.6
• 重原子数：
  14
• 可旋转键数：
  8
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.78
• 拓扑面积：
  61.8
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  DL-苹果酸二乙酯 、 碘甲烷 生成 Methoxybernsteinsaeure-diethylester
  参考文献：
  名称：

  Kalinowski,H.O. et al., Angewandte Chemie, 1975, vol. 87, # 22, p. 812 - 813

  摘要：

  DOI：

文献信息

• Propylene polymers
  申请人：Morini Giampiero

  公开号：US20050032633A1

  公开（公告）日：2005-02-10

  The present invention relates to a solid catalyst component for the polymerization of olefins CH 2 ═CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from substituted succinates of a particular formula. Said catalyst components when used in the polymerization of olefins, and in particular of propylene, are capable to give polymers in high yields and with high isotactic index expressed in terms of high xylene insolubility.

  本发明涉及一种用于聚合烯烃CH2═CHR（其中R为氢或具有1-12个碳原子的碳氢基团）的固体催化剂组分，包括镁、钛、卤素和从特定公式的取代琥珀酸酯中选择的电子给体。当在聚合烯烃，特别是丙烯的聚合中使用该催化剂组分时，能够以高收率和以高二甲苯不溶性表示的高同构指数给出聚合物。
• NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTROCHEMICAL ELEMENT USING SAME
  申请人：Abe Koji

  公开号：US20120171581A1

  公开（公告）日：2012-07-05

  Disclosed are a nonaqueous electrolytic solution of an electrolyte dissolved in a nonaqueous solvent, which contains a carboxylate represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution; and an electrochemical element using it. (In the formula, R 1 represents an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, or a cyanoalkyl group; R 2 represents a hydrogen atom, an alkoxy group, a formyloxy group, an acyloxy group, an alkoxycarbonyloxy group, an alkanesulfonyloxy group, an arylsulfonyloxy group, an alkylsilyloxy group, a dialkylphosphoryloxy group, an alkoxy(alkyl)phosphoryloxy group, or a dialkoxyphosphoryloxy group; R 3 represents a hydrogen atom, —CH 2 COOR 6 , or an alkyl group; R 4 represents a hydrogen atom or an alkyl group; R 5 has the same meaning as R 2 , or represents a hydrogen atom, an alkyl group, or —CH 2 COOR 7 ; R 6 and R 7 each independently represent an alkyl group, an alkenyl group, an alkynyl group, or a cycloalkyl group; X represents —OR 8 , -A 2 -C≡Y 2 , -A 2 -C(═O)O-A 3 -C≡Y 2 , -A 2 -C(═O)O-A 4 or COOR 1 ; R 5 is the same as R 1 ; A 1 to A 3 each independently represent an alkylene group; A 4 represents an alkyl group; Y 2 represents CH or N; m indicates an integer of from 0 to 4; n indicates 0 or 1.)

  本发明涉及一种非水电解质溶液，其中包含以下述通式（I）表示的羧酸盐，其质量占非水电解质溶液的0.01至10％；以及使用该电解质溶液的电化学元件。（在式中，R1表示烷基、烯基、炔基、环烷基或氰基烷基；R2表示氢原子、烷氧基、甲酰氧基、酰氧基、烷氧羰基氧基、烷基磺酰氧基、芳基磺酰氧基、烷基硅氧基、二烷基磷酰氧基、烷氧（烷基）磷酰氧基或二烷氧基磷酰氧基；R3表示氢原子、-CH2COOR6或烷基；R4表示氢原子或烷基；R5与R2的含义相同，或表示氢原子、烷基或-CH2COOR7；R6和R7各自独立地表示烷基、烯基、炔基或环烷基；X表示-OR8，-A2-C≡Y2，-A2-C（═O）O-A3-C≡Y2，-A2-C（═O）O-A4或COOR1；R5与R1的含义相同；A1至A3各自独立地表示烷基；A4表示烷基；Y2表示CH或N；m表示0至4的整数；n表示0或1。）
• SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, AND OLEFIN POLYMERIZATION METHOD
  申请人：Mitsui Chemicals, Inc.

  公开号：EP2206731A1

  公开（公告）日：2010-07-14

  The present invention provides an olefin polymerization catalyst, which is free of polyfunctional aromatic compounds and has a large particle diameter, and a solid titanium component (I) which forms the catalyst. The olefin polymerization catalyst comprises a solid titanium component (I), an organometallic compound (II) and optionally an electron donor (III) wherein the solid titanium component (I) comprising titanium, magnesium and halogen is obtainable by allowing a magnesium compound (A) having no reducing ability in a liquid state to contact with an ester compound (B) represented by the following formula (1) and a liquid titanium compound (C) in a specific order, wherein R2 and R3 are COOR1 or R, and at least one of R2 and R3 is COOR1, two or more R1 each are a monovalent hydrocarbon group having 1 to 20 carbon atoms, and two or more R are a hydrogen atom, or a hydrocarbon group having 1 to 20 carbon atoms, and at least two of Rs may be bonded each other to form a ring, and the skeleton of the ring formed may include a double bond or a hetero atom.

  本发明提供了一种烯烃聚合催化剂，该催化剂不含多官能团芳香族化合物且具有较大的颗粒直径，还提供了构成该催化剂的固体钛组分（I）。烯烃聚合催化剂由固体钛组分（I）、有机金属化合物（II）和可选的电子供体（III）组成，其中由钛、镁和卤素组成的固体钛组分（I）可通过使液态无还原能力的镁化合物（A）与下式（1）表示的酯化合物（B）和液态钛化合物（C）按特定顺序接触而获得、 其中 R2 和 R3 为 COOR1 或 R，且 R2 和 R3 中至少有一个为 COOR1，两个或两个以上的 R1 各为具有 1 至 20 个碳原子的单价烃基，两个或两个以上的 R 为氢原子，或具有 1 至 20 个碳原子的烃基，且至少两个 R 可相互键合形成环，所形成的环的骨架可包括双键或杂原子。
• SOLID TITANIUM CATALYST COMPONENT FOR ETHYLENE POLYMERIZATION, ETHYLENE POLYMERIZATION CATALYST AND ETHYLENE POLYMERIZATION METHOD
  申请人：Mitsui Chemicals, Inc.

  公开号：EP2264075A1

  公开（公告）日：2010-12-22

  Provided are a solid titanium catalyst component for ethylene polymerization which can polymerize ethylene at a high activity and which can provide an ethylene polymer having an excellent particle property, an ethylene polymerization catalyst and an ethylene polymerization method in which the catalyst is used. The solid titanium catalyst component (I) for ethylene polymerization according to the present invention is obtained by bringing a liquid magnesium compound (A) including a magnesium compound, an electron donor (a) having 1 to 5 carbon atoms and an electron donor (b) having 6 to 30 carbon atoms into contact with a liquid titanium compound (C) under the presence of an electron donor (B) and includes titanium, magnesium and a halogen. The ethylene polymerization catalyst of the present invention includes the component (I) and an organic metal compound catalyst component (II). Further, the ethylene polymerization method of the present invention is a method for polymerizing ethylene under the presence of the catalyst.

  本发明提供了一种乙烯聚合用固体钛催化剂组分、乙烯聚合催化剂和使用该催化剂的乙烯聚合方法，该乙烯聚合用固体钛催化剂组分能以高活性聚合乙烯，并能提供具有优异颗粒性能的乙烯聚合物。 根据本发明的乙烯聚合用固体钛催化剂组分（I）是在电子供体（B）存在的情况下，将包括镁化合物、具有 1 至 5 个碳原子的电子供体（a）和具有 6 至 30 个碳原子的电子供体（b）的液态镁化合物（A）与液态钛化合物（C）接触而得到的，液态钛化合物（C）包括钛、镁和卤素。本发明的乙烯聚合催化剂包括组分（I）和有机金属化合物催化剂组分（II）。此外，本发明的乙烯聚合方法是一种在催化剂存在下聚合乙烯的方法。
• PROPYLENE RESIN COMPOSITION FOR RETORT POUCH-PACKAGING FILM
  申请人：Basell Poliolefine Italia S.r.l.

  公开号：EP2905309A1

  公开（公告）日：2015-08-12

  An object of the present invention is to provide a propylene resin composition having high processability to stably produce films, and a sealant film for retort pouch-packaging films prepared with the propylene resin composition and having high seal strength. The object is achieved by a propylene resin composition, comprising: a propylene homopolymer, and a propylene-ethylene copolymer dispersed in the propylene homopolymer, the propylene resin composition being prepared through polymerization of propylene and ethylene in the presence of a catalyst comprising: (A) a solid catalyst containing, as essential components, magnesium, titanium, halogen, and an electron donor selected from succinate type compounds, (B) an organoaluminum compound; and (C) an external electron donor selected from silicon compounds, wherein the propylene resin composition contains 25 to 35 wt% ethylene-propylene copolymer, the copolymer contains 60 wt% or more propylene, the propylene resin composition contains a xylene-soluble content having an intrinsic viscosity [η] of 1.8 to 3.2 dl/g, and the propylene resin composition has a melt flow rate of 2.0 to 5.0 g/10 min.

  本发明的目的是提供一种丙烯树脂组合物，该组合物具有较高的加工性，可以稳定地生产薄膜，还提供一种密封膜，该密封膜用于用该丙烯树脂组合物制备的蒸馏袋包装膜，具有较高的密封强度。上述目的是通过一种丙烯树脂组合物实现的，该组合物包括：丙烯均聚物和分散在丙烯均聚物中的丙烯-乙烯共聚物，丙烯树脂组合物是通过丙烯和乙烯在催化剂存在下的聚合反应制备的，催化剂包括： (A) 固体催化剂，其基本成分包括镁、钛、卤素和选自琥珀酸类化合物的电子供体、 (B) 有机铝化合物；以及 (C) 选自硅化合物的外部电子供体，其中丙烯树脂组合物含有 25 至 35 wt% 的乙烯-丙烯共聚物、 该共聚物含有 60 wt%或更多的丙烯、 丙烯树脂组合物含有本征粘度[η]为 1.8 至 3.2 dl/g 的二甲苯可溶物，以及 丙烯树脂组合物的熔体流动速率为 2.0 至 5.0 克/10 分钟。