3-bromo-5-methylcyclopenta[b]thiophene | 1204611-45-9

• 分子结构分类: 有机化合物 - 有机卤素化合物 - 芳基卤化物
• 英文名称: 3-bromo-5-methylcyclopenta[b]thiophene
• 英文别名: 3-bromo-5-methyl-4(5)H-cyclopenta[b]thiophene；3-bromo-5-methyl-6H-cyclopenta[b]thiophene
• CAS: 1204611-45-9
• 化学式: C₈H₇BrS
• 分子量: 215.114
• InChiKey: JLHJUKLSFGAYPE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3
• 重原子数：
  10
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  28.2
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  3-bromo-5-methylcyclopenta[b]thiophene 、 1-萘基氯化锌 、 二氯二甲基硅烷 在 甲基锂 、 二(三叔丁基膦)钯 作用下， 以 乙醚 、 四氢呋喃 为溶剂， 反应 5.0h， 生成 bis[5-methyl-3-(1-naphthyl)-6H-cyclopenta[b]thien-6-yl](dimethyl)silane
  参考文献：
  名称：

  A study of palladium-catalyzed arylation of bis(3-bromo-5-methyl-6H-cyclopenta[b]thien-6-yl)(dimethyl)silane

  摘要：

  DOI：

  10.1134/s0012500809020037
• 作为产物：
  描述：

  3-Bromo-5-methyl-4, 5-dihydro-6H-cyclopenta[b]thiophen-6-one 在 对甲苯磺酸 sodium tetrahydroborate 、 盐酸 、 甲醇 、 水 作用下， 以 四氢呋喃 、 甲醇 、 甲苯 为溶剂， 反应 11.17h， 生成 3-bromo-5-methylcyclopenta[b]thiophene 、 3-bromo-5-methyl-4H-cyclopenta[b]thiophene
  参考文献：
  名称：

  Halogen substituted heteroatom-containing metallocene compounds for olefin polymerization

  摘要：

  描述了卤代取代的茂金属化合物，包括一个或多个与金属原子π键结合的单环或多环配体，并且至少包括一个卤素取代基直接键合到配体的可键合环位置上的sp2碳原子，其中该配体或至少一个配体在其环状结构中具有一个或多个环异原子。与适当的活化剂结合时，这些化合物在烯烃聚合反应中显示出活性，例如乙烯和丙烯。

  公开号：

  US20070135623A1

文献信息

• Heteroatom bridged metallocene compounds for olefin polymerization
  申请人：Voskoboynikov Z. Alexander

  公开号：US20070135597A1

  公开（公告）日：2007-06-14

  This invention relates to a transition metal compound represented by the formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is: 1) a substituted or unsubstituted indenyl ligand that is bonded to Y through the four, five, six or seven position of the indenyl ring, or 2) a substituted or unsubstituted heteroindenyl ligand that is bonded to Y through the four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom, or 3) a substituted or unsubstituted fluorenyl ligand that is bonded to Y through the one, two, three, four, five, six, seven or eight position of the fluorenyl ring, or 4) a substituted or unsubstituted heterofluorenyl ligand that is bonded to Y through the one, two, three, four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom; A is a substituted or unsubstituted cyclopentadienyl ligand, a substituted or unsubstituted heterocyclopentadienyl ligand, a substituted or unsubstituted indenyl ligand, a substituted or unsubstituted heteroindenyl ligand, a substituted or unsubstituted fluorenyl ligand, a substituted or unsubstituted heterofluorenyl ligand, or other mono-anionic ligand; Y is a Group 15 or 16 bridging heteroatom substituent that is bonded via the heteroatom to E and A; and X are, independently, univalent anionic ligands, or both X are joined and bound to the metal atom to form a metallocycle ring, or both X join to form a chelating ligand, a diene ligand, or an alkylidene ligand. This invention further relates to catalyst systems comprising the above transiotioon metal compounds, activators and optional supports and their use to polymerize or oligomerize olefins.

  本发明涉及一种过渡金属化合物，其表示为以下公式：其中M是3、4、5或6族过渡金属原子，或镧系金属原子，或锕系金属原子；E是：1）与Y通过茚环的四、五、六或七位置结合的取代或未取代的茚基配体，或2）与Y通过杂环茚环的四、五或六位置结合的取代或未取代的杂环茚基配体，前提是结合位置与环杂原子的位置不同，或3）与Y通过芴环的一、二、三、四、五、六、七或八位置结合的取代或未取代的芴基配体，或4）与Y通过杂芴环的一、二、三、四、五或六位置结合的取代或未取代的杂芴基配体，前提是结合位置与环杂原子的位置不同；A是取代或未取代的环戊二烯基配体，取代或未取代的杂环戊二烯基配体，取代或未取代的茚基配体，取代或未取代的杂环茚基配体，取代或未取代的芴基配体，取代或未取代的杂芴基配体，或其他单阴离子配体；Y是通过杂原子与E和A结合的15族或16族桥接杂原子取代基；X是独立的一价阴离子配体，或两个X结合并与金属原子结合形成金属环，或两个X结合形成螯合配体、二烯基配体或烷基亚基配体。本发明还涉及包含上述过渡金属化合物、活化剂和可选支撑物的催化剂系统及其用于聚合或寡聚烯烃的用途。
• Preparation of substituted bridged indenyl and related ligands
  申请人：Voskoboynikov Z. Alexander

  公开号：US20070135596A1

  公开（公告）日：2007-06-14

  A process for preparing a chelating ligand of the formula (II) from a chelating ligand of the formula (I) via an sp 2 -sp 2 or sp 2 -sp 3 coupling reaction with an organometallic compound of the formula (III). wherein B is a bridging group that is bonded to L 1 and L 2 in formula (I) and to L 3 and L 4 in formula (II); L 1 is a substituted monocyclic or polycyclic ligand that comprises at least one chlorine, bromine, iodine, or sulfonate substituent, directly bonded to an sp 2 carbon atom of the ring structure of the ligand; L 2 is a monoanionic ligand; or L 2 may, independently, be defined as L 1 ; L 3 is the same group as L 1 , but said at least one chlorine, bromine, iodine, or sulfonate substituent is replaced with a hydrocarbyl, substituted hydrocarbyl, halocarbyl, or substituted halocarbyl fragment; L 4 is the same group as L 2 , though, when L 2 is defined as L 1 , L 4 may be the same as L 3 or L 1 ; R 1 is a hydrocarbyl, substituted hydrocarbyl, halocarbyl, or substituted halocarbyl; M 1 is an element of group 1, 2, 12, 13 or 14 of the Periodic Table of the Elements; each X 2 , if present, is selected independently from the group consisting of halogen atoms, the hydroxyl group, alkoxy groups, aryloxy groups, mesylate, tosylate and triflate; r is 1, 2 or 3, and t is 0, 1 or 2, where r+t corresponds to the oxidation number of M 1 .

  从化学配体的公式(I)通过与公式(III)的有机金属化合物进行sp2-sp2或sp2-sp3偶联反应，制备化学配体的公式(II)的方法。其中B是一个桥联基团，与公式(I)中的L1和L2以及公式(II)中的L3和L4结合；L1是一个取代的单环或多环配体，至少包含一个氯、溴、碘或磺酸酯取代基，直接与配体的环结构的sp2碳原子键合；L2是一个单负离子配体；或者L2可以独立地被定义为L1；L3与L1相同，但所述的至少一个氯、溴、碘或磺酸酯取代基被氢化碳基、取代的氢化碳基、卤代碳基或取代的卤代碳基片段所取代；L4与L2相同，但当L2被定义为L1时，L4可以与L3或L1相同；R1是一个氢化碳基、取代的氢化碳基、卤代碳基或取代的卤代碳基；M1是元素周期表第1、2、12、13或14组的元素；每个X2，如果存在，可独立地选择自卤素原子、羟基、烷氧基、芳基氧基、甲磺酸酯、对甲苯磺酸酯和三氟甲磺酸酯组成的群；r为1、2或3，t为0、1或2，其中r+t对应于M1的氧化数。
• Palladium-catalyzed arylation of bis(4-bromo-2-methylinden-1-yl)dimethylsilane and related compounds
  作者：M. V. Nikulin、A. A. Tsarev、A. V. Lygin、A. N. Ryabov、I. P. Beletskaya、A. Z. Voskoboinikov

  DOI：10.1007/s11172-008-0325-z

  日期：2008.11

  the synthesis of a broad range of ansa-zirconocenes containing bis(2-methyl-4-arylindenyl)dimethylsilane ligands. The method is based on the palladium-catalyzed reaction of halogen-substituted bis(indenyl)dimethylsilanes with various organozinc compounds. The aryl-substituted bridging ligands thus prepared serve as the starting compounds for the synthesis of ansa-zirconocenes, which can be used as components

  开发了一种新方法，用于合成广泛的含有双（2-甲基-4-芳基茚基）二甲基硅烷配体的柄型锆茂。该方法基于钯催化的卤素取代的双（茚基）二甲基硅烷与各种有机锌化合物的反应。如此制备的芳基取代的桥连配体可作为合成 ansa-zirconocenes 的起始化合物，其可用作丙烯聚合反应催化剂的组分。
• Halogen Substituted Heteroatom-Containing Metallocene Compounds for Olefin Polymerization
  申请人：VOSKOBOYNIKOV Alexander Z.

  公开号：US20110288249A1

  公开（公告）日：2011-11-24

  Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp 2 carbon atom at a bondable ring position of the ligand, wherein the or at least one ligand has one or more ring heteroatoms in its cyclic structure. When combined with a suitable activator, these compounds show activity in the polymerization of olefins, such as ethylene and propylene.

  本文介绍了卤代金属茂金属化合物，包括一个或多个单环或多环配体，这些配体与金属原子通过π键相连，并且在配体的可键环位置上直接与sp2碳原子结合至少一个卤素取代基，其中至少一个配体在其环状结构中具有一个或多个环异原子。当与适当的活化剂结合时，这些化合物在烯烃聚合中表现出活性，例如乙烯和丙烯。
• Halogen Substituted Heteroatom-Containing Metallocene Compounds for Olefin Polymerization
  申请人：VOSKOBOYNIKOV Alexander Z.

  公开号：US20120202956A1

  公开（公告）日：2012-08-09

  Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp 2 carbon atom at a bondable ring position of the ligand, wherein the or at least one ligand has one or more ring heteroatoms in its cyclic structure. When combined with a suitable activator, these compounds show activity in the polymerization of olefins, such as ethylene and propylene.

  本文描述了卤代金属茂基化合物，包括一个或多个单环或多环配体，这些配体与金属原子π键结合，并在配体的可结合环位置的一个sp2碳原子上直接连接至少一个卤素取代基，其中至少一个配体在其环状结构中具有一个或多个环异原子。当与适当的活化剂结合时，这些化合物表现出在聚合烯烃（如乙烯和丙烯）中的活性。