3-(3-Ethylcyclopentyl)propanoic acid | 501346-07-2

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 3-(3-Ethylcyclopentyl)propanoic acid
• CAS: 501346-07-2
• 化学式: C₁₀H₁₈O₂
• 分子量: 170.25
• InChiKey: WVRFSLWCFASCIS-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  12
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.9
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

ADMET

毒理性

• 暴露途径

这种物质可以通过皮肤接触和摄入被身体吸收。

The substance can be absorbed into the body through the skin and by ingestion.

来源:ILO International Chemical Safety Cards (ICSC)

毒理性

• 吸入症状

咳嗽。眩晕。

Cough. Dizziness.

来源:ILO International Chemical Safety Cards (ICSC)

毒理性

• 皮肤症状

红肿。疼痛。

Redness. Pain.

来源:ILO International Chemical Safety Cards (ICSC)

毒理性

• 眼睛症状

红斑。疼痛。

Redness. Pain.

来源:ILO International Chemical Safety Cards (ICSC)

毒理性

• 摄入症状

恶心。呕吐。腹泻。嗜睡。

Nausea. Vomiting. Diarrhoea. Drowsiness.

来源:ILO International Chemical Safety Cards (ICSC)

文献信息

• PROCESS FOR THE PREPARATION OF OXOVINYLIONOL AND ITS O-PROTECTED DERIVATIVES
  申请人：BASF SE

  公开号：US20130116473A1

  公开（公告）日：2013-05-09

  The present invention relates to the preparation of oxovinylionol and its O-protected derivatives of the formula I in which R is hydrogen or an OH protecting group, for example a group Si(R a ) 3 , by reacting a compound of the general formula II in which R has the meanings given above for formula I, i.e. β-vinyl ionol (formula II, R=hydrogen) or an O-protected derivative thereof (formula II, R═OH protecting group) with an oxidant in the presence of at least one transition metal, where the oxidant comprises at least one oxygen-containing compound which is selected from among hydrogen peroxide and organic hydroperoxides.

  本发明涉及制备氧基乙烯基异黄酮及其式I的O-保护衍生物，其中R为氢或OH保护基，例如Si（Ra）3基团。所述制备方法是通过将一般式II的化合物与氧化剂在至少一种过渡金属的存在下反应来实现的，其中R具有上述式I中给出的含义，即β-乙烯基异黄酮（式II，R=氢）或其O-保护衍生物（式II，R=OH保护基），所述氧化剂包括至少一种含氧化合物，所述氧化合物从过氧化氢和有机过氧化物中选择。
• Elongated steel object treated with a corrosion inhibiting composition
  申请人：N.V. BEKAERT S.A.

  公开号：EP0845548A1

  公开（公告）日：1998-06-03

  The invention relates to a corrosion inhibiting composition, comprising at least: A) a carrier of an oily or waxy type; B) active components comprising at least B1) a corrosion-inhibitor of the azole-type; and B2) a co-corrosion-inhibitor, selected from the group consisting of (a) fatty acids having 6-24 carbon atoms, aromatic acids and naphthenic acids, which acids have the free acid form or the salt form; (b) imidazoline derivatives having an C6-24 alkyl moiety; and (c) C6-24 alkylsuccinic anhydride compounds; as well as a mixture of compounds defined under (a), (b) and/or (c); and C) optionally a compound selected from the group consisting of C1) a water repellent; C2) a synthetic ester derived from a C1-10 alcohol with 1-12 hydroxyl groups and C6-24 fatty acids; and C3) a C6-18 alcohol as well as a mixture of compounds defined under C1), C2) and/or C3). Such a composition is suitable for application on elongated objects of steel, covered with a coating of a material having an electrode potential, exceeding the electrode potential of steel or having a rate of corrosion, which is less than the rate of corrosion of steel. Further the invention relates to elongated objects of steel, in particular steel cords treated with a corrosion inhibiting composition according to the invention. Another object of the invention is a process for treating elongated objects of steel with the corrosion inhibiting composition according to the invention. Rubber articles, which contain elongated objects of steel like steel cord, treated with the above-mentioned composition do also fall within the scope of the invention.

  本发明涉及一种缓蚀组合物，至少包含以下成分 A) 油性或蜡性载体； B) 活性成分，至少包括 B1) 唑类缓蚀剂；以及 B2) 助缓蚀剂，选自以下组别 (a) 具有 6-24 个碳原子的脂肪酸、芳香酸和环烷酸，这些酸以游离酸或盐的形 式存在； (b) 具有 C6-24 烷基的咪唑啉衍生物；以及 (c) C6-24 烷基丁二酸酐化合物； 以及(a)、(b)和/或(c)定义的化合物混合物；以及 C) 可选的选自以下组别的化合物 C1) 一种防水剂 C2) 由具有 1-12 个羟基的 C1-10 醇和 C6-24 脂肪酸衍生的合成酯；以及 C3) C6-18 醇 以及 C1)、C2)和/或 C3)定义的化合物混合物。 这样的组合物适用于钢制细长物体，其上覆盖一层电极电位超过钢电极电位或腐蚀速率低于钢腐蚀速率的材料。此外，本发明还涉及用本发明的缓蚀组合物处理过的钢制细长物体，特别是钢绳。本发明的另一个目的是用本发明的缓蚀组合物处理钢制细长物体的工艺。用上述组合物处理过的橡胶制品也属于本发明的范围。
• Corrosion inhibiting composition, in particular suitable for application on steel cords
  申请人：Quaker Chemical Corporation

  公开号：EP0837156A1

  公开（公告）日：1998-04-22

  The invention relates to a corrosion inhibiting composition, comprising at least: A) a carrier of an oily or waxy type; B) active components comprising at least B1) a corrosion-inhibitor of the azole-type; and B2) a co-corrosion-inhibitor, selected from the group consisting of (a) fatty acids having 6-24 carbon atoms, aromatic acids and naphthenic acids, which acids have the free acid form or the salt form; (b) imidazoline derivatives having an C6-24 alkyl moiety; and (c) C6-24 alkylsuccinic anhydride compounds; as well as a mixture of compounds defined under (a), (b) and/or (c); and C) optionally a compound selected from the group consisting of C1) a water repellent; C2) a synthetic ester derived from a C1-10 alcohol with 1-12 hydroxyl groups and C6-24 fatty acids; and C3) a C6-18 alcohol as well as a mixture of compounds defined under C1), C2) and/or C3). Such a composition is suitable for application on elongated objects of steel, covered with a coating of a material having an electrode potential, exceeding the electrode potential of steel or having a rate of corrosion, which is less than the rate of corrosion of steel. Further the invention relates to elongated objects of steel, in particular steel cords treated with a corrosion inhibiting composition according to the invention. Another object of the invention is a process for treating elongated objects of steel with the corrosion inhibiting composition according to the invention. Rubber articles, which contain elongated objects of steel like steel cord, treated with the above-mentioned composition do also fall within the scope of the invention.

  本发明涉及一种缓蚀组合物，至少包含以下成分 A) 油性或蜡性载体； B) 活性成分，至少包括 B1) 唑类缓蚀剂；以及 B2) 助缓蚀剂，选自以下组别 (a) 具有 6-24 个碳原子的脂肪酸、芳香酸和环烷酸，这些酸以游离酸或盐的形 式存在； (b) 具有 C6-24 烷基的咪唑啉衍生物；以及 (c) C6-24 烷基丁二酸酐化合物；以及(a)、(b)和/或(c)项下定义的化合物混合物；以及 C) 可选的选自以下组别的化合物 C1) 一种防水剂 C2) 由具有 1-12 个羟基的 C1-10 醇和 C6-24 脂肪酸衍生的合成酯；以及 C3) C6-18 醇以及 C1)、C2)和/或 C3)定义的化合物混合物。 这种组合物适用于钢制细长物体，其表面覆盖有一层材料，该材料的电极电位超过钢的电极电位，或其腐蚀速率低于钢的腐蚀速率。此外，本发明还涉及用本发明的缓蚀组合物处理过的钢制细长物体，特别是钢绳。本发明的另一个目的是用本发明的缓蚀组合物处理钢制细长物体的工艺。用上述组合物处理过的橡胶制品也属于本发明的范围。
• CRACKING OF ACETONE RICH REGENERANT FROM RFCC C4 HYDROGENATION UNIT TO OLEFINS IN RFCC RISER
  申请人：ADNOC Refining Research Centre

  公开号：EP3904490A1

  公开（公告）日：2021-11-03

  In one aspect, the present relates to a fluid catalytic cracking process, comprising the step(s) of: (a) feeding a first hydrocarbon stream 1 comprising a petroleum feedstock and a second hydrocarbon stream 2 comprising an oxygenate to a fluid catalytic cracking process unit (FCCU) 3 for producing one or more hydrocarbon product stream(s) 4 from the first hydrocarbon stream 1 and the second hydrocarbon stream 2. In another aspect, the present invention relates to a reactor system for fluidic catalytic cracking comprising (a) at least one fluidic catalytic cracking process unit (FCCU) 3, wherein the FCCU 3 is a arranged such that a first hydrocarbon stream 1 comprising a petroleum feedstock can be fed into the FCCU 3, (b) at least one C4-hydrocarbons preparation unit 6 producing a second hydrocarbon stream 2 comprising an oxygenate, wherein the reactor system is arranged such that the second hydrocarbon stream 2 can be passed from the at least one C4-hydrocarbons preparation unit 6 to the at least one FCCU 3. In a third aspect, the present invention relates to use of a process or reactor system according to any one of the preceding claims for producing one or more hydrocarbon product streams 4. Thus, the process, reactor system and use according to the present invention provide for the conversion of an acetone rich naphtha stream to olefins and, thus, for reducing the negative impact of acetone on the chemical grade naphtha specifications while at the same time reaction conditions efficient for both oxygenate-to-olefin conversions and fluid catalytic cracking are provided.

  在一个方面，本发明涉及一种流体催化裂化工艺，包括以下步骤(a) 将由石油原料组成的第一烃流 1 和由含氧物组成的第二烃流 2 喂入流体催化裂化工艺装置 (FCCU) 3，以从第一烃流 1 和第二烃流 2 生产一种或多种烃产品流 4。在另一方面，本发明涉及一种用于流化催化裂化的反应器系统，该系统包括 (a) 至少一个流化催化裂化工艺装置（FCCU）3，其中 FCCU 3 的布置方式为可将由石油原料组成的第一烃流 1 喂入 FCCU 3、(b) 至少一个 C4 碳氢化合物制备单元 6，生产包括含氧化合物的第二碳氢化合物流 2，其中反应器系统的布置方式为第二碳氢化合物流 2 可从至少一个 C4 碳氢化合物制备单元 6 进入至少一个催化裂化装置 3。第三方面，本发明涉及使用根据前述权利要求中任一项所述的工艺或反应器系统生产一种或多种烃类产品流 4。因此，根据本发明的工艺、反应器系统和用途，可将富含丙酮的石脑油流转化为烯烃，从而减少丙酮对化学级石脑油规格的负面影响，同时提供了有效的反应条件，既可进行含氧化合物到烯烃的转化，也可进行流体催化裂化。
• Naphthenic acid corrosion inhibitors for a refinery
  申请人：Saudi Arabian Oil Company

  公开号：US11046901B1

  公开（公告）日：2021-06-29

  Corrosion inhibitor compositions and methods for inhibiting corrosion on a metal surface exposed to a hydrocarbon fluid are provided. The corrosion inhibition compositions can include a corrosion inhibitor, such as 3-dimethylamino benzoic acid, 4-dimethylamino benzoic acid, or 2,5-dihydroxyterephthalic acid. The corrosion inhibitor composition can further comprise dimethyl sulfoxide, and heavy aromatic naphtha. The corrosion inhibitor composition can be phosphate-free and can inhibit naphthenic acid corrosion. In the methods, a corrosion inhibitor composition is added to the hydrocarbon fluid exposed to the metal surface to prevent or inhibit corrosion on the metal surface, including naphthenic acid corrosion.

  提供了用于抑制暴露在烃类流体中的金属表面腐蚀的缓蚀剂组合物和方法。缓蚀剂组合物可以包括缓蚀剂，如 3-二甲氨基苯甲酸、4-二甲氨基苯甲酸或 2,5-二羟基对苯二甲酸。缓蚀剂组合物还可以包括二甲基亚砜和重芳烃石脑油。缓蚀剂组合物可以不含磷酸盐，并能抑制环烷酸腐蚀。在这些方法中，缓蚀剂组合物被添加到暴露于金属表面的烃类流体中，以防止或抑制金属表面的腐蚀，包括环烷酸腐蚀。

表征谱图