tetraphenylphosphorus | 56898-82-9

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: tetraphenylphosphorus
• CAS: 56898-82-9
• 化学式: C₂₄H₂₀P
• 分子量: 339.397
• InChiKey: QOVUQHJLIWOBNB-UHFFFAOYSA-N

反应信息

• 作为反应物：
  描述：

  丁炔二酸二乙酯 、 tetraphenylphosphorus 以43 %的产率得到Diethyl 2,3-bis(diphenylphosphanyl)but-2-enedioate
  参考文献：
  名称：

  双碳桥联二膦配体负载铬基选择性乙烯三聚/四聚催化剂

  摘要：

  探索了{PhPC(COOR)=C(COOR)PPh}型碳桥二膦配体的主链取代基对乙烯齐聚催化剂性能的影响。由配体{PhPC(COOMe)=C(COOMe)PPh} ()负载的Cr预催化剂实现了1800 kg/g Cr/h的高活性，对1-己烯(77.3 %)和1的总选择性为90.8 % -辛烯 (13.5 %)，当用 MMAO-3A 激活时。基于这些配体的催化体系表现出相当高的热稳定性，即使在100℃下也能保持高活性。

  DOI：

  10.1016/j.jorganchem.2024.123125

文献信息

• CATALYST FOR POLYMERIZATION OF ETHYLENE AND METHOD FOR PRODUCING ETHYLENE POLYMERS
  申请人：——

  公开号：US20010034298A1

  公开（公告）日：2001-10-25

  There is provided a catalyst for the polymerization of ethylene, comprising the following components [A] and [B] in combination: [A] a metallocene type transition metal compound represented by the following formula [1] or [2] 1 2 wherein, R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 , which may be the same or different, each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogen-containing hydrocarbon group having 1 to 20 carbon atoms, a silicon-containing hydrocarbon group, a nitrogen-containing hydrocarbon group, a phosphorus-containing hydrocarbon group, or a boron-containing hydrocarbon group, an alkoxy group, an aryl group, an aryloxy group, or an amino group; M represents a metal atom selected from group 4 to 6 elements of the periodic table; X and Y represent a hydrogen atom, a halogen atom, a hydrocarbon group, an alkoxy group, an amino group, an amido group, a phosphorus-containing hydrocarbon group, or a silicon-containing hydrocarbon group; A represents a ligand selected from a cyclopentadienyl group, a substituted cyclopentadienyl group, an indenyl group, a substituted indenyl group, a fluorenyl group, a substituted fluorenyl group, an azulenyl group, and a substituted azulenyl group; a and c are an integer of 2 to 10; and b and d are an integer of 0 to 10, provided that, if b or d is 0, carbon atoms represented by C* are each independently linked to a hydrogen atom, a halogen atom, or to a hydrocarbon group having 1 to 20 carbon atoms, a halogen-containing hydrocarbon group, a silicon-containing hydrocarbon group, a nitrogen-containing hydrocarbon group, a phosphorus-containing hydrocarbon group, a boron-containing hydrocarbon group, an alkoxy group, an aryl group, or an aryloxy group, provided that atoms or groups linked to the respective carbon atoms may be the same or different; and [B] the following compound (a), (b), (c), or (d) (a) an aluminumoxy compound, (b) a Lewis acid, (c) an ionic compound which can be reacted with the component [A] to convert the component [A] to a cation, or (d) an ion-exchangeable layered inorganic compound.

  提供一种用于乙烯聚合的催化剂，包含以下组分[A]和[B]的组合：[A]是一种金属茂类过渡金属化合物，由以下公式[1]或[2]表示：其中，R1、R2、R3、R4、R5和R6，可以相同或不同，每个独立地表示氢原子、卤素原子、具有1至20个碳原子的碳氢基团、含卤素的碳氢基团、含硅的碳氢基团、含氮的碳氢基团、含磷的碳氢基团或含硼的碳氢基团、烷氧基、芳基、芳氧基或氨基；M表示从周期表的4至6族元素中选择的金属原子；X和Y表示氢原子、卤素原子、碳氢基团、烷氧基、氨基、酰胺基、含磷的碳氢基团或含硅的碳氢基团；A表示从环戊二烯基团、取代环戊二烯基团、茚基团、取代茚基团、芴基团、取代芴基团、吖啶基团或取代吖啶基团中选择的配体；a和c为2至10的整数；b和d为0至10的整数，但如果b或d为0，则由C*表示的碳原子各自独立地连接到氢原子、卤素原子或具有1至20个碳原子的碳氢基团、含卤素的碳氢基团、含硅的碳氢基团、含氮的碳氢基团、含磷的碳氢基团、含硼的碳氢基团、烷氧基、芳基或芳氧基，但连接到各自碳原子的原子或基团可以相同或不同；[B]是以下化合物之一：(a) 氧化铝化合物，(b) Lewis酸，(c) 可与组分[A]反应以将组分[A]转化为阳离子的离子化合物，或(d) 可离子交换的层状无机化合物。
• Process for producing alpha-olefin polymers
  申请人：Mitsubishi Chemical Corporation

  公开号：US20010034425A1

  公开（公告）日：2001-10-25

  The present invention relates to a catalyst for polymerization of &agr;-olefin, which comprises: an essential component (A) of a transition metal compound, an essential component (B) of an ion exchangeable layer compound except for silicate, or an inorganic silicate, and an optional component (C) of an organoaluminum compound, said component (A) being represented by the general formula (I): 1

  本发明涉及一种用于α-烯烃聚合的催化剂，包括：必要组分(A)的过渡金属化合物、必要组分(B)的离子交换层化合物（除硅酸盐外）或无机硅酸盐、以及可选组分(C)的有机铝化合物，其中组分(A)由通式(I)表示：1
• Soft propylene-based resin composition
  申请人：Shimizu Fumihiko

  公开号：US20050131160A1

  公开（公告）日：2005-06-16

  Soft propylene-based resin compositions, which comprise substantially the following block (I) and block (II): Block (I): propylene-based polymer having propylene unit chain segments that bond in a mode of head-to-tail bonding, in which the chain segment has an isotactic block-containing stereoblock structure; Block (II): copolymer containing at least propylene and ethylene, exhibit good flexibility, transparency, and heat resistance.

  软性丙烯基树脂组合物，其主要包括以下基块（I）和基块（II）：基块（I）：丙烯基聚合物，具有头对尾键合模式的丙烯基单元链段，其中链段具有含有等向异构体块的立体块结构；基块（II）：共聚物，至少包含丙烯和乙烯，具有良好的柔韧性、透明度和耐热性。
• Catalysts for polymerization of alpha-olefins, process for producing alpha-olefin polymers, novel transition metal compounds and catalyst components for polymerization of alpha-olefin
  申请人：Mitsubishi Chemical Corporation.

  公开号：US20020045535A1

  公开（公告）日：2002-04-18

  Catalysts for polymerization of &agr;-olefin, composed of a transition metal compound, an inorganic silicate or an ion exchangeable layer compound other than silicate, and optionally an organoaluminum compound, are described. The transition metal compound is represented by formula (I): 1 where A 1 and A 2 are each independently a conjugated 5-membered ring ligand provided that A 1 and A 2 may be the same or different in a molecule, and at least one of A 1 and A 2 forms a 7- to 10-membered condensed ring including two adjacent carbon atoms of the conjugated 5-membered ring, which condensed ring is formed by joining two adjacent substitutent groups on the conjugated 5-membered ring; Q is a bridging group of the two conjugated 5-membered rings of A 1 and A 2 at optional positions of the 5-membered rings; M is a metal atom selected from elements of Group 4-6 of the Periodic Table; and X and Z are each independently a hydrogen atom, a halogen atom, a hydrocarbon group, and amino group, a halogenated hydrocarbon group, an oxygen-containing hydrocarbon group, a nitrogen-containing hydrocarbon group, a phosphorus-containing hydrocarbon group or a silicon-containing hydrocarbon group.

  本文描述了用于α-烯烃聚合的催化剂，由过渡金属化合物、无机硅酸盐或除硅酸盐以外的可离子交换层化合物以及可选的有机铝化合物组成。过渡金属化合物由式(I)表示：其中A1和A2分别是共轭的5元环配体，前提是在分子中A1和A2可以相同或不同，并且A1和A2中至少有一个形成由连接共轭的5元环上的两个相邻碳原子而形成的7-10元环。Q是A1和A2的两个共轭的5元环的桥接基团，位于5元环的可选位置；M是从周期表第4-6族元素中选择的金属原子；X和Z分别是氢原子、卤素原子、碳氢基团、氨基、卤代碳氢基团、含氧碳氢基团、含氮碳氢基团、含磷碳氢基团或含硅碳氢基团。
• Propylene block copolymer
  申请人：Suzuki Toru

  公开号：US20060178486A1

  公开（公告）日：2006-08-10

  A polymer is provided which, even when no halogen such as chlorine is contained therein, has satisfactory adhesiveness and applicability in coating to propylene polymers as substrates and which has surface hydrophilicity. It is a propylene block copolymer characterized by being represented by the following formula (I): PP-a-R  (I) (wherein PP represents a polypropylene segment in which the proportion of pentads represented by mmmm to all pentads is 10-60%; symbol a represents a group which connects PP to R; and R represents a polymer segment containing polar groups).

  提供了一种聚合物，即使其中不含有卤素（如氯），也具有对丙烯基聚合物具有满意的粘附性和涂层适用性，并具有表面亲水性。该聚合物是一种丙烯基嵌段共聚物，其特征在于由以下式（I）表示：PP-a-R  （I）（其中PP表示聚丙烯片段，其中由mmmm表示的五元组的比例占所有五元组的10-60％；符号a表示连接PP和R的基团；R表示含有极性基团的聚合物片段）。