(2,4-dimethyl-phenyl)-phosphinic acid | 81592-48-5

• 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: (2,4-dimethyl-phenyl)-phosphinic acid
• 英文别名: 1.3-Dimethyl-benzol-phosphinigsaeure-(4)；(2,4-Dimethyl-phenyl)-phosphinsaeure；2.4-Dimethyl-phenylphosphinigsaeure；m-Xylol-phosphinigsaeure-(4)
• CAS: 81592-48-5
• 化学式: C₈H₁₁O₂P
• 分子量: 170.148
• InChiKey: VYCVZFPOUCMHKE-UHFFFAOYSA-N

物化性质

• 沸点：
  310.3±52.0 °C(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  11.0
• 可旋转键数：
  1.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  37.3
• 氢给体数：
  1.0
• 氢受体数：
  1.0

反应信息

• 作为产物：
  描述：

  2,4-Dimethylphenylphosphondichlorid 在 水 作用下， 生成 (2,4-dimethyl-phenyl)-phosphinic acid
  参考文献：
  名称：

  Michaelis; Paneck, Justus Liebigs Annalen der Chemie, 1882, vol. 212, p. 203

  摘要：

  DOI：

文献信息

• METHOD FOR PRODUCING ALKENYL PHOSPHORUS COMPOUND
  申请人：MARUZEN PETROCHEMICAL CO., LTD.

  公开号：US20190263847A1

  公开（公告）日：2019-08-29

  Provided is a method for producing an alkenyl phosphorus compound which can produce an alkenyl phosphorus compound efficiently even with a smaller amount of a catalyst used than that used conventionally, and further which can maintain catalytic activity to produce an alkenyl phosphorus compound in high yield even at a larger reaction scale, and which can also be applied to quantity synthesis at an industrial scale using a conventional batch reactor or continuous reactor. A method for producing an alkenyl phosphorus compound, comprising: a step of reacting a compound represented by the following formula (1): [In formula (1), R 1 represents OR 3 or R 3 , R 2 represents OR 4 or R 4 , and R 3 and R 4 represent, for example, each independently a substituted or unsubstituted alkyl group.] with a compound represented by the following formula (2): R 5 —C≡CH  (2) [In formula (2), R 5 represents, for example, a hydrogen atom, or a substituted or unsubstituted alkyl group.] to produce the phosphorus alkenyl compound presented by at least any of the following formulas (3a) or (3b): [In formulas (3a) and (3b), R 1 and R 2 have the same meaning as defined in formula (1), and R 5 has the same meaning as defined in formula (2).], In which the compound represented by formula (1) is reacted with the compound represented by formula (2) using a transition metal catalyst, and a phosphorus oxo acid compound having an intramolecular P—H bond.

  提供的是一种生产烯基磷化合物的方法，该方法即使使用的催化剂量比传统方法少，也能高效地生产烯基磷化合物，而且能够在更大的反应规模下保持催化活性，以高收率生产烯基磷化合物，并且还可以在传统的批量反应器或连续反应器中进行工业规模的量产合成。 生产烯基磷化合物的方法包括以下步骤： 将以下式（1）所表示的化合物与以下式（2）所表示的化合物反应： 式（1）中，R1代表OR3或R3，R2代表OR4或R4，R3和R4例如各自独立地代表取代或未取代的烷基基团。 式（2）中，R5例如代表氢原子，或代表取代或未取代的烷基基团。 从而产生至少以下任一式（3a）或（3b）所表示的磷烯烃化合物： 式（3a）和（3b）中，R1和R2的含义与式（1）中定义的相同，R5的含义与式（2）中定义的相同。 其中，使用过渡金属催化剂和具有分子内P-H键的磷氧酸化合物使式（1）所表示的化合物与式（2）所表示的化合物反应。
• Polyester production method, polyester composition, and polyester fiber
  申请人：——

  公开号：US20040266978A1

  公开（公告）日：2004-12-30

  In a polyester production method, a titanium compound having a radical selected from a carbonyl group, a carboxyl group, or an ester group, and a phosphorous compound having a structure illustrated in Formula (I), are added. 1 This yields a polyester composition which does not exhibit increased filter pressure when forming, which has excellent filament and film forming properties, and which has a polymer color tone superb to that of conventional products.

  在一种聚酯生产方法中，添加一种具有来自羰基团、羧基团或酯基团的基团的钛化合物和一种具有如公式（I）所示结构的磷化合物。这产生了一种聚酯组合物，其在成型时不会表现出增加的过滤器压力，具有优异的纤维和薄膜成型性能，并且具有比传统产品更好的聚合物颜色色调。
• CATALYST FOR POLYESTER PRODUCTION AND PROCESS FOR PRODUCING POLYESTER WITH THE SAME
  申请人：TEIJIN LIMITED

  公开号：EP1110988A1

  公开（公告）日：2001-06-27

  A polyester having a good color tone, an excellent forming property and a high resistance to cohesion of foreign substance around a melt-spinning orifice when the polyester is melt-spun, is produced by polymerizing an aromatic difunctional carboxylic acid - alkyleneglycol ester and/or oligomer thereof in the presence of a catalyst including a reaction product of (A) a Ti compound component including a Ti compound (1) of formula (I) or a Ti compound (2) produced by reacting the Ti compound (1) with an aromatic difunctional carboxylic acid of the formula (III) or anhydride thereof, with (B) a P compound component selected from P compound (3) of the formula (III). [R1 = C2-C10alkyl group; p = 1 - 3, n = 2 - 4, R2 = substituted or unsubstituted C6-C20aryl or C1-C20 alkyl group, m = 1 or 2, q = 0 or 1, and m + q = 1 or 2]

  一种聚酯在熔融纺丝时具有良好的色调、优异的成型性能和较高的抗异物在熔融纺丝孔口周围凝聚的能力、该聚酯是通过在催化剂存在下聚合芳香族双官能团羧酸-亚烷基乙二醇酯和/或其低聚物而制得，催化剂包括(A)钛化合物组分（包括式(I)的钛化合物(1)或通过钛化合物(1)与式(III)的芳香族双官能团羧酸或其酸酐反应制得的钛化合物(2)）和(B)选自式(III)的P化合物(3)的P化合物组分的反应产物。 [R1 = C2-C10 烷基；p = 1 - 3，n = 2 - 4、 R2 = 取代或未取代的 C6-C20 芳基或 C1-C20 烷基，m = 1 或 2，q = 0 或 1，m + q = 1 或 2。］
• POLYTRIMETHYLENE TEREPHTHALATE POLYESTER
  申请人：TEIJIN LIMITED

  公开号：EP1426395A1

  公开（公告）日：2004-06-09

  A polyester based on poly(trimethylene terephthalate) consisting essentially of trimethylene terephthalate repeating units, comprising at least one kind of compound selected from the group consisting of alkali metal compounds, alkaline earth metal compounds and manganese compounds in an amount of 10 to 150 ppm expressed in terms of the metal element in a molar ratio of the total amount of elements of the contained alkali metal elements, alkaline earth metal elements and manganese element to the amount of the contained phosphorus element within the range of the following formula (I):         0≦P/M≦1     (I) wherein, P is the molar amount of the phosphorus element in the polyester; M is the total amount of the alkali metal elements, alkaline earth metal elements and manganese element.

  一种基于聚对苯二甲酸三亚甲基酯的聚酯，主要由对苯二甲酸三亚甲基酯重复单元组成，含有至少一种从碱金属化合物、碱土金属化合物和锰化合物组成的组中选出的化合物，以所含碱金属元素、碱土金属元素和锰元素的总量与所含磷元素的摩尔比表示的金属元素量为 10 至 150 ppm，其范围如下式(I)所示： 0≦P/M≦1 (I) 其中，P 为聚酯中磷元素的摩尔量；M 为碱金属元素、碱土金属元素和锰元素的总量。
• POLYESTER RESIN COMPOSITIONS, CATALYST FOR POLYESTER PRODUCTION, POLYESTER FILM, AND MAGNETIC RECORDING MEDIUM
  申请人：TORAY INDUSTRIES, INC.

  公开号：EP1550683A1

  公开（公告）日：2005-07-06

  The present invention aims to provide a practical polyester that can be produced substantially without using an antimony compound as a polycondensation catalyst. (I) The present invention provides a polyester resin composition containing, on a weight basis, 30 ppm or less of antimony, 0.5 to 50 ppm of titanium, and 0.1 to 100 ppm of phosphorus, in which the number density of titanium-containing particles, the equivalent circular diameter of which is 1 µm or more, is less than 100/0.02 mg; and (II) The present invention provides a polyester resin composition containing, on a weight basis, 30 ppm or less of antimony, 0.5 to 50 ppm of titanium, and 0.1 to 100 ppm of phosphorus, in which organic polymer particles are contained in amount of 0.1 to 5 wt%, the organic polymer particles having an average particle diameter determined by dynamic light scattering of 0.05 to 3 µm and containing 0.01% or less of coarse particles relative to the total number of the particles, the coarse particles having a diameter at least twice the average particle diameter.

  本发明的目的是提供一种实用的聚酯，这种聚酯基本上可以在不使用锑化合物作为缩聚催化剂的情况下生产。 (I) 本发明提供了一种聚酯树脂组合物，按重量计，含有 30 ppm 或以下的锑、0.5 至 50 ppm 的钛和 0.1 至 100 ppm 的磷，其中等效圆直径为 1 微米或以上的含钛颗粒的数量密度小于 100/0.02 毫克；以及 (II) 本发明提供了一种聚酯树脂组合物，按重量计，含有 30 ppm 或以下的锑、0.5 至 50 ppm 的钛和 0.1 至 100 ppm 的磷，其中等效圆直径为 1 微米或以上的含钛颗粒的数量密度小于 100/0.02 毫克。 (II) 本发明提供了一种聚酯树脂组合物，按重量计，该组合物含有 30 ppm 或以下的锑、0.5 至 50 ppm 的钛和 0.1 至 100 ppm 的磷，其中有机聚合物颗粒的含量为 0.1 至 5 wt%，通过动态光散射法测定，有机聚合物颗粒的平均颗粒直径为 0.05 至 3 µm，相对于颗粒总数，粗颗粒的含量为 0.01% 或更少，粗颗粒的直径至少为平均颗粒直径的两倍。