2,2-二甲硫基丁酸 | 75678-47-6

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 硫代酸
• 中文名称: 2,2-二甲硫基丁酸
• 中文别名: 2,2-二甲基硫代丁酸
• 英文名称: 2,2-dimethylbutanethioic S-acid
• CAS: 75678-47-6
• 化学式: C₆H₁₂OS
• 分子量: 132.23
• InChiKey: HTHVOKUQFTYCBV-UHFFFAOYSA-N

物化性质

• 沸点：
  165.3±9.0 °C(Predicted)
• 密度：
  0.952±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.1
• 重原子数：
  8
• 可旋转键数：
  2
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  18.1
• 氢给体数：
  1
• 氢受体数：
  2

安全信息

• 危险等级：
  8
• 危险类别码：
  R34
• 危险品运输编号：
  UN 3265
• 包装等级：
  II
• 安全说明：
  S26,S36/37/39,S45

文献信息

• Method for producing anellated tetrahydro-{1h}-triazoles
  申请人：——

  公开号：US20040097728A1

  公开（公告）日：2004-05-20

  The present invention relates to a process for preparing fused tetrahydro-[ 1 H]-triazoles of the formula I 1 where the variables R a , Z, Z 1 , X, W, n and Q are as defined in claim 1, by cyclization of compounds of the formula II 2 where R is C(X)OR 2 or C(X)SR 2 , where X is oxygen or sulfur, and R 2 is as defined in claim 1, in the presence of a base. The invention also relates to compounds of the formula I where W is sulfur if Z is a methylene group optionally substituted by R a , and furthermore to compounds of the formula I where Q is a benzoxazole or benzothiazole radical, and to the use of these compounds as herbicides.

  本发明涉及一种制备公式I的熔融四氢咪唑的方法，其中变量Ra、Z、Z1、X、W、n和Q如权利要求1中定义，通过在碱存在下，将公式II的化合物环化得到，其中R为C(X)OR2或C(X)SR2，其中X为氧或硫，R2如权利要求1中定义。该发明还涉及公式I的化合物，其中如果Z是可选地由Ra取代的亚甲基基团，则W为硫，此外还涉及公式I的化合物，其中Q为苯并噁唑或苯并噻唑基团，并将这些化合物用作除草剂。
• RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE SIDE USE, CROSSLINKED RUBBER COMPOSITION AND TIRE
  申请人：Matsushita Junko

  公开号：US20130324660A1

  公开（公告）日：2013-12-05

  The present invention provides a rubber composition that is used for manufacturing a rubber excellent in weather resistance, fracture resistance and crack growth resistance, and that contains a conjugated diene compound/non-conjugated olefin copolymer, a conjugate diene-based polymer and a non-conjugated diene compound/non-conjugated olefin copolymer, a rubber composition for tire side use using the rubber composition for tire sidewall members, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire. The rubber composition includes: (A) a conjugated diene compound/non-conjugated olefin copolymer containing a conjugated diene compound-derived unit by at least 40 mol %; (B) a conjugated diene-based polymer; and (C) a non-conjugated diene compound/non-conjugated olefin copolymer containing an ethylene-propylene-diene rubber.

  本发明提供了一种橡胶组合物，用于制造具有耐候性、抗断裂性和裂纹生长抗性的橡胶，并包含共轭二烯化合物/非共轭烯烃共聚物、共轭二烯基聚合物和非共轭二烯化合物/非共轭烯烃共聚物，用于轮胎侧壁成员的轮胎侧壁使用的橡胶组合物，通过交联橡胶组合物获得的交联橡胶组合物和轮胎。该橡胶组合物包括：(A)含有至少40摩尔％共轭二烯化合物衍生单元的共轭二烯化合物/非共轭烯烃共聚物；(B)共轭二烯基聚合物；和(C)含有乙烯-丙烯-二烯基橡胶的非共轭二烯化合物/非共轭烯烃共聚物。
• Crystaline block copolymer and process for producing the same
  申请人：Asahi Kasei Kogyo Kabushiki Kaisha

  公开号：EP0234512A2

  公开（公告）日：1987-09-02

  crystalline block copolymer containing at least a triblock chain represented by the formula A-B-C or containing at least a radial structure represented by the formula (D-EX in the polymer chain is provided. These triblock chains or radial structures comprise blocks of a homopolymer of a vinyl aromatic compound or a copolymer of a vinylaromatic compound with another vinylaromatic compound or a conjugated diene compound having a glass transition temperature of not lower that 50°C and a weight average molecular weight in the range of from 2,000 to 100,000 and blocks of a homopolymer of a conjugated diene compound or a copolymer of a conjugated diene compound with another conjugated diene compound or a copolymer of a conjugated diene compound having less that 20 wt.% of a vinyl aromatic compound having a glass transition temperature of not higher than 10°C and a crystallinity at 25°C and a 1,4-trans-linkage ratio in the conjugated diene portion of 80 % or higher. These crystalline block copolymers are produced by polymerization of the respective monomers in the presence of a composite catalyst comprising the catalyst components (a), (b) and (c), or (a), (b), (c) and (d), wherein (a) is an organic compound of barium or strontium; (b) is an organic compound of lithium; (c) is an organomagnesium compound; and (d) is an organoaluminum or organozinc compound. Further provided are shaped bodies obtainable by injection, extrusion or compression molding comprising such crystalline block copolymer.

  本发明提供了一种结晶嵌段共聚物，其聚合物链中至少含有一个由式 A-B-C 表示的三嵌段链或至少含有一个由式（D-EX）表示的径向结构。这些三嵌段链或径向结构包括乙烯基芳香族化合物均聚物嵌段，或乙烯基芳香族化合物与另一种乙烯基芳香族化合物或共轭二烯化合物的共聚物嵌段，其玻璃化转变温度不低于 50℃，重量平均分子量在 2,000 至 100,000 之间；以及共轭二烯化合物均聚物嵌段，或共轭二烯化合物与另一种共轭二烯化合物的共聚物嵌段，或共轭二烯化合物与乙烯基芳香族化合物或共轭二烯化合物的共聚物嵌段，其玻璃化转变温度不低于 50℃，重量平均分子量在 2,000 至 100,000 之间。乙烯基芳香族化合物的共聚物，其玻璃化转变温度不高于 10°C，结晶度为 25°C，共轭二烯部分的 1,4-反式连接比例为 80% 或更高。 这些结晶嵌段共聚物是在由催化剂组分(a)、(b)和(c)或(a)、(b)、(c)和(d)组成的复合催化剂存在下，通过聚合各单体而制得的，其中 (a) 是钡或锶的有机化合物； (b) 是锂的有机化合物 (c) 是一种有机镁化合物；和 (d) 有机铝或有机锌化合物。 此外，还提供了可通过注塑、挤压或压缩成型获得的由此类结晶嵌段共聚物组成的成型体。
• NOVEL MODIFIED POLYMER CONTAINING CYCLIC MOLECULAR STRUCTURE UNIT
  申请人：Asahi Kasei Kogyo Kabushiki Kaisha

  公开号：EP0743325A1

  公开（公告）日：1996-11-20

  A modified polymer containing a cyclic molecular structure unit represented by general formula (I) and having a number-average molecular weight of 10,000 to 5,000,000, wherein A to F represent monomer units constituting the main chain of the polymer and they may be arranged in an arbitrary order; l to q represent each of the content (wt.-%) of the respective monomer unit A to F based on the total weight of the units A to F; A represents a cycloolefin monomer unit; B represents a conjugated cyclodiene monomer unit; C and D represent each a monomer unit copolymerizable with A and B; S to X represent modifying groups and each independently comprises a functional group bearing at least one of oxygen, nitrogen, sulfur, silicon, phosphorus and halogen, or an organic acid residue containing the above functional group; and s to x represent each the content (wt.-%) of the respective group S to X. The polymer has excellent thermal characteristics and various types of modified polymer can be provided by copolymerizing various monomers in arbitrary proportions and forms in accordance with required thermal and mechanical characteristics.

  一种改性聚合物，含有通式(I)代表的环状分子结构单元，其数均分子量为 10,000 至 5,000,000 ，其中 A 至 F 代表构成聚合物主链的单体单元，它们可以任意顺序排列；l 至 q 代表 A 至 F 各单体单元在 A 至 F 单元总重量中的含量（重量百分比）；A 代表环烯烃单体单元；B 代表共轭环二 烯单体单元；C 代表共轭环烯单体单元；D 代表共轭环烯单体单元。A代表环烯烃单体单元；B代表共轭环二 烯单体单元；C和D分别代表可与A和B共聚的单体单元； S至X代表改性基团，各自独立地包括含有氧、氮、硫、硅、磷和卤素中至少一种的官能团，或含有上述官能团的有机酸残基；S至X分别代表S至F各基团的含量（重量-%）。该聚合物具有极佳的热特性，可根据所需的热特性和机械特性，以任意比例和形式共聚各种单体，制成各种类型的改性聚合物。
• NOVEL RESIN COMPOSITION
  申请人：Asahi Kasei Kogyo Kabushiki Kaisha

  公开号：EP0743341A1

  公开（公告）日：1996-11-20

  Disclosed is a resin composition comprising (α) at least one polymer selected from the group consisting of a non-modified cyclic monomer unit-containing polymer and a modified cyclic monomer unit-containing polymer having a number average molecular weight of from 10,000 to 5,000,000, wherein the cyclic monomer unit is derived from a cyclic conjugated diene, and (β) at least one polymer other than the polymer (α), and wherein the polymer (α) is present in an amount of at least 1 % by weight, based on the total weight of the polymers (α) and (β). The molecular structure of the polymer (α) which is contained in the novel resin composition of the present invention and which is selected from a non-modified cyclic monomer unit-containing polymer and a modified cyclic monomer unit-containing polymer, wherein the cyclic monomer unit is derived from a cyclic conjugated diene, can be controlled with large freedom. Therefore by combining the polymer (α) with a polymer (β) other than the polymer (α), a resin composition which is excellent in various properties, such as theremal stability with respect to rigidity, and impact resistance can be provided with large freedom with respect to the choice of its properties.

  公开了一种树脂组合物，该树脂组合物包含(α)至少一种选自由非改性含环单体单元聚合物和改性含环单体单元聚合物组成的组，改性含环单体单元聚合物的平均分子量为 10,000 至 5、(β)聚合物(α)以外的至少一种聚合物，其中聚合物(α)的含量至少为聚合物(α)和(β)总重量的 1%(重量)。本发明新型树脂组合物中所含聚合物（α）的分子结构可自由控制，该聚合物可选 自含非改性环状单体单元的聚合物和含改性环状单体单元的聚合物，其中环状单体单元 来自环状共轭二烯。因此，通过将聚合物 (α)与聚合物 (α) 之外的聚合物 (β)进行组合，可以提供一种在各种性能（如刚性方面的热稳定性和抗冲击性）方面都很出色的树脂组合物，其性能选择的自由度很大。