dithio-4-chlorobenzoic acid | 2168-82-3

• 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: dithio-4-chlorobenzoic acid
• 英文别名: p-Chlordithiobenzoesaeure；4-chlorodithiobenzoic acid；4-Chlor-dithiobenzoesaeure；4-Chlorobenzenecarbodithioic acid
• CAS: 2168-82-3
• 化学式: C₇H₅ClS₂
• 分子量: 188.702
• InChiKey: ZYXBMZWOPXQKMJ-UHFFFAOYSA-N

物化性质

• 沸点：
  257.2±42.0 °C(Predicted)
• 密度：
  1.364±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  33.1
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  dithio-4-chlorobenzoic acid 在 二氯化硫 作用下， 以 四氯化碳 为溶剂， 反应 1.0h， 以38%的产率得到bis<4-(chloro)thiobenzoyl> trisulfide
  参考文献：
  名称：

  Kato, Shinzi; Nishiwaki, Masataka; Inagaki, Satoshi, Chemische Berichte, 1985, vol. 118, # 4, p. 1684 - 1695

  摘要：

  DOI：
• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 potassium sulfate 作用下， 生成 dithio-4-chlorobenzoic acid
  参考文献：
  名称：

  Engelhardt; Latschinow, Zeitschrift fur Chemie, 1868, p. 459

  摘要：

  DOI：

文献信息

• Process for preparing dithioesters
  申请人：RohMax Additives GmbH

  公开号：US20040186302A1

  公开（公告）日：2004-09-23

  The present invention relates to a process for preparing dithioesters in which a dithiocarboxylic acid and/or a dithiocarboxylic salt is reacted with a vinyl compound and/or an alkyl compound which includes a leaving group, the reaction being carried out in a biphasic system in which one of the phases comprises water and the weight ratio of the aqueous phase to the organic phase lies in the range from 95:5 to 5:95.

  本发明涉及一种制备二硫酯的方法，其中将二硫代羧酸和/或二硫代羧酸盐与含有离去基团的乙烯化合物和/或烷基化合物反应，在一个两相系统中进行反应，其中一个相包含水，水相与有机相的重量比在95:5至5:95的范围内。
• Polymerization with living characteristics
  申请人：——

  公开号：US20040171777A1

  公开（公告）日：2004-09-02

  This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a monomer selected from the group consisting of vinyl monomers (of structure CH 2 ═CUV), maleic anhydride, N-alkylmaleimide, N-arylmaleimide, dialkyl fumarate and cyclopolymerizable monomers; (ii) a thiocarbonylthio compound selected from Formula (C) and Formula (D) having a chain transfer constant greater than about 0.1; and (iii) free radicals produced from a free radical source; the polymer of Formula (A) being made by contacting (i), (ii) C and (iii) and that of Formula (B) by contacting (i), (ii) D, and (iii); and (iv) controlling the polydispersity of the polymer being formed by varying the ratio of the number of molecules of (ii) to the number of molecules of (iii); wherein Q, R, U, V, Z, Z′, m, p and q are as defined in the text. 1

  该发明涉及一种自由基聚合过程，该过程采用选择的链转移剂，并由此制得的聚合物，其中该过程包括接触通式（A）和通式（B）的聚合物，其制备方法包括：（i）与乙烯单体（结构为CH2=CHX）、马来酸酐、N-烷基马来酰亚胺、N-芳基马来酰亚胺、二烷基富马酸酯和环聚合单体等一组中选择的单体接触；（ii）选择通式（C）和通式（D）的硫代氨基酸盐类，其链转移常数大于约0.1；（iii）自由基源产生的自由基；通式（A）的聚合物是通过接触（i）、（ii）C和（iii）制备的，通式（B）的聚合物是通过接触（i）、（ii）D和（iii）制备的；（iv）通过改变（ii）分子数与（iii）分子数的比率来控制正在形成的聚合物的聚分散度；其中Q、R、U、V、Z、Z'、m、p和q在文本中定义。
• Star Polymers and Compositions Thereof
  申请人：Visger C. Daniel

  公开号：US20070244018A1

  公开（公告）日：2007-10-18

  The invention provides a composition comprising: (a) a star polymer comprising: (i) a core portion comprising a polyvalent (meth)acrylic monomer, oligomer or polymer thereof or a polyvalent divinyl non-acrylic monomer, oligomer or polymer thereof; and (ii) at least two arms of polymerized alkyl(meth)acrylate ester; and (b) an oil of lubricating viscosity, wherein the core portion further comprises a functional group of formula (I): —CH 2 —C(R 1 )(C(═O)A)-Y—  (I) wherein R 1 is hydrogen, a linear or branched alkyl group containing 1 to 5 carbon atoms; A is nitrogen or oxygen; and Y is a free radical leaving group selected from the group consisting of one or more atoms or groups of atoms which may be transferred by a radical mechanism under the polymerisation conditions, a halogen, an —O—N═ group and an —S—C(═S)— group. The invention further provides the use of the composition in an oil of lubricating viscosity as a dispersant, a viscosity modifier or a precursor to a dispersant viscosity modifier.

  本发明提供了一种组合物，包括：(a) 星形聚合物，包括：(i) 核心部分，包括多价(meth)丙烯酸单体、寡聚物或聚合物或多价二乙烯基非丙烯酸单体、寡聚物或聚合物；和(ii) 至少两个聚合烷基(meth)丙烯酸酯臂；以及(b) 润滑黏度油，其中核心部分还包括式(I)的功能基：—CH2—C(R1)(C(═O)A)-Y—  (I)，其中R1是氢、含1至5个碳原子的线性或支链烷基；A是氮或氧；Y是自由基离去基，选自由基聚合条件下可以通过自由基机理转移的一个或多个原子或原子团、卤素、—O—N═基团和—S—C(═S)—基团的群。本发明还提供了将该组合物用作润滑黏度油中的分散剂、粘度改良剂或分散剂粘度改良剂的前体的用途。
• PROCESS FOR PRODUCING POLYMER TERMINATED WITH OPTIONALLY PROTECTED FUNCTIONAL GROUP
  申请人：KURARAY Co. LTD.

  公开号：EP0704460A1

  公开（公告）日：1996-04-03

  A process for producing polymers having terminal functional group which may be protected, comprises polymerizing a radical-polymerizable monomer with a polymerization initiator comprising at least one member selected from the group (A) consisting of thio-S-carboxylic acids represented by the following general formula (1) and dithiocarboxylic acids represented by the following general formula (2) and at least one member selected from the group (B) consisting of polysulfides represented by the following general formula (3), polysulfides represented by the following general formula (4) and sulfoxides: wherein R¹ represents a hydrocarbon group which may have a substituent including functional group; wherein R² represents a hydrocarbon group which may have a substituent including functional group; wherein R³ and R⁴ each represents a hydrocarbon group which may have a substituent including functional group and n is an integer of 2 or more; and         R⁵- (S)m- R⁶     (4) wherein R⁵ and R⁶ each represents a hydrocarbon group having a functional group and m is an integer of 2 or more. This process can produce polymers with which functional groups have been introduced into one end or both ends thereof, irrespective of the rate of polymerization or the degree of polymerization of the polymer that forms.

  一种生产具有可被保护的末端官能团的聚合物的工艺，包括用聚合引发剂聚合可自由基聚合的单体，聚合引发剂包括至少一种选自以下通式(1)代表的硫代-S-羧酸和以下通式(2)代表的二硫代羧酸组成的基团(A)，以及至少一种选自以下通式(3)代表的多硫化物、以下通式(4)代表的多硫化物和氧化硫组成的基团(B)： 其中 R¹ 代表烃基，该烃基可能具有包括官能团在内的取代基； 其中 R² 代表可具有包括官能团在内的取代基的烃基； 其中 R³ 和 R⁴ 各自代表一个可具有包括官能团在内的取代基的烃基，且 n 为 2 或 2 以上的整数；以及 R⁵- (S)m- R⁶ (4) 其中，R⁵ 和 R⁶ 分别代表具有官能团的烃基，m 为 2 或 2 以上的整数。无论聚合速度或形成的聚合物的聚合度如何，该工艺都能生产出在一端或两端引入官能团的聚合物。
• Process for preparing polymers and compositions thereof
  申请人：The Lubrizol Corporation

  公开号：EP2292668A1

  公开（公告）日：2011-03-09

  The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and radically polymerisable monomers, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions.

  本发明提供了一种制备聚合物的工艺，其步骤如下(1) 将自由基引发剂、含有硫代羰基硫代基团和自由基离去基团的链转移剂以及可辐射聚合的单体接触，形成聚合物链；以及 (2) 将步骤 (1) 的聚合物链与多价偶联剂、聚合抑制剂、接枝酰化剂、胺和润滑粘度油中的至少一种接触。本发明进一步提供了组合物。