6-甲基-18:0 | 94434-62-5

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 中文名称: 6-甲基-18:0
• 英文名称: 6-methyl-18:0
• 英文别名: 6-methyl-octadecanoic acid；6-Methyl-octadecansaeure；DL-6-Methyloctadecansaeure；6-Methyloctadecanoic acid
• CAS: 94434-62-5
• 化学式: C₁₉H₃₈O₂
• 分子量: 298.51
• InChiKey: OOENENRRTKPZNT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  7.7
• 重原子数：
  21
• 可旋转键数：
  16
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.95
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

上下游信息

• 上游原料

  中文名称	英文名称	CAS号	化学式	分子量
  甲基6-甲基硬脂酸酯	6-methyl-octadecanoic acid methyl ester	2490-21-3	C20H40O2	312.536

• 下游产品

  中文名称	英文名称	CAS号	化学式	分子量
  月桂酸	laurate	143-07-7	C12H24O2	200.321
  5-乙酰基戊酸	6-oxoheptanoic acid	3128-07-2	C7H12O3	144.17

反应信息

• 作为反应物：
  描述：

  6-甲基-18:0 在 氯化亚砜 作用下， 生成 6-methyl-octadecanoic acid amide
  参考文献：
  名称：

  Weitzel; Wojahn, Hoppe-Seyler's Zeitschrift fur Physiologische Chemie, 1951, vol. 287, p. 296,304,305

  摘要：

  DOI：
• 作为产物：
  描述：

  5-氯-2-戊酮 在 氢氧化钾 、 乙醚 、 乙醇 、 乙酸酐 、 potassium iodide 作用下， 生成 6-甲基-18:0
  参考文献：
  名称：

  BRANCHED-CHAIN FATTY ACIDS. XIII. PREPARATION OF BRANCHED AND NORMAL ACIDS FOR USE IN THE STUDY OF MELTING POINTS OF BINARY MIXTURES. COMPLETION OF THE METHYLOCTADECANOIC ACID SERIES

  摘要：

  DOI：

  10.1021/jo01147a023

文献信息

• Location of a branch in a saturated carbon chain
  作者：J. Cason、J.Searing Fessenden、C.L. Agre

  DOI：10.1016/s0040-4020(01)93198-9

  日期：1959.1

  Oxidative degradation by chromic acid in glacial acetic acid has been developed as an effective method for location of a branch in a saturated carbon chain. Detection of cleavage products by use of gas phase chromatography allows convenient application of the method to samples of 3–10 mg. Several branched-chain acids and a branched-chain hydrocarbon have been found to yield the expected cleavage products;

  已经开发出冰乙酸中铬酸的氧化降解作为在饱和碳链中定位支链的有效方法。通过气相色谱检测裂解产物，可以方便地将该方法应用于3-10 mg的样品。已经发现几种支链酸和支链烃可产生预期的裂解产物。但是，对位于羧基的α，β或γ的分支的选择性攻击并不重要。讨论了氧化机理和羧基的保护作用。
• Fuel compositions
  申请人：The Lubrizol Corporation

  公开号：EP0388991A1

  公开（公告）日：1990-09-26

  Fuel compositions for internal combustion engines, and more particularly, fuel compositions for use in fuel-injected internal combustion engines are described. The fuel compositions comprise a major amount of a liquid hydrocarbon fuel and a minor, property-improving amount of a hydrocarbon-soluble dispersant prepared generally by the post-treatment of a nitrogen-containing composition with mono- and polycarboxylic acids which may be aliphatic or aromatic carboxylic acids although aromatic polycarboxylic acids are preferred. The nitrogen-containing compositions which are post-treated in accordance with the present invention are obtained by reacting an acylating agent with alkylene polyamines or alkanol amines. When fuel conpositions of the present invention are utilized in internal combustion engines, and in particular, fuel-injected internal combustion engines, the amount of solid deposits of the various parts of the internal combustion engines are reduced. In particular, the use of such fuels prevents or reduces intake system deposits and injector nozzle deposits. Accordingly, methods for reducing or preventing the buiid-up of deposits in internal combustion engines also are described.

  本文描述了用于内燃机的燃料组合物，特别是用于燃油喷射内燃机的燃料组合物。这些燃料组合物包括主要量的液态碳氢化合物燃料和少量的可改善性能的碳氢化合物可溶性分散剂，后者一般是通过用单羧酸和多羧酸对含氮组合物进行后处理而制备的，单羧酸和多羧酸可以是脂肪族或芳香族羧酸，但芳香族多羧酸更可取。根据本发明进行后处理的含氮组合物是通过酰化剂与亚烷基多胺或烷醇胺反应获得的。将本发明的燃料组合物用于内燃机，特别是喷射式内燃机时，可减少内燃机各部件的固体沉积物。特别是，使用这种燃料可以防止或减少进气系统沉积物和喷油器喷嘴沉积物。因此，还介绍了减少或防止内燃机沉积物形成的方法。
• Emulsifiers and explosive emulsions containing same
  申请人：The Lubrizol Corporation

  公开号：EP0408838A1

  公开（公告）日：1991-01-23

  Emulsifiers are disclosed which comprise the reaction product of component (I) with component (II). Component (I) comprises the reaction product of certain carboxylic acids or anhydrides, or ester or amide derivatives thereof, with ammonia, at least one amine, at least one alkali and/or at least one alkaline-earth metal Component (II) comprises certain phosphorus-containing acids; or metal salts of said phosphorus-containing acids, the metals being selected from the group consisting of magnesium, calcium, strontium, chromium, manganese, iron, molybdenum, cobalt, nickel, copper, silver, zinc, cadmium, aluminum, tin, lead, and mixtures of two or more thereof. These emulsifiers are useful in water-in-oil explosive emulsions.

  已公开的乳化剂包括组分(I)与组分(II)的反应产物。组分（I）包括某些羧酸或酸酐，或其酯或酰胺衍生物与氨、至少一种胺、至少一种碱和/或至少一种碱土金属的反应产物；或所述含磷酸的金属盐，这些金属选自镁、钙、锶、铬、锰、铁、钼、钴、镍、铜、银、锌、镉、铝、锡、铅和其中两种或两种以上金属的混合物组成的组。这些乳化剂可用于油包水型爆炸乳剂。
• Lubricants, lubricant additives, and methods for lubricating sump-lubricated fuel-injected alcohol-powered internal combustion engines
  申请人：The Lubrizol Corporation (an Ohio corporation)

  公开号：EP0462319A1

  公开（公告）日：1991-12-27

  Lubricant compositions are disclosed which comprise (A) at least one neutral or basic metal salt of at least one acidic organic compound, wherein the metal in the salt is magnesium, barium or a mixture thereof, and (B) optionally at least one hydrocarbyl-substituted ashless dispersant in which each hydrocarbyl substituent has a number average molecular weight up to about 1500, provided that the compositions contain no more than 0.06 weight percent calcium, not more than 0.5 weight-percent hydrocarbyl-substituted ashless dispersant in which a hydrocarbyl substituent has a number average molecular weight greater than about 1,500, and optionally not more than 0.5 weight-percent of polymeric viscosity improvers such as olefin copolymer, styrene-diene, and/or polymethacrylate viscosity improvers. Additive concentrate formulations for making such lubricant formulations are also disclosed. Methods for lubricating sump-lubricated fuel-injected alcohol-powered internal combustion engines are described which utilize these lubricant compositions to help prevent the formation of deposits in fuel injectors and provide advantageous rust and corrosion inhibition properties. These formulations can also be useful for lubricating combustion engines powered by petroleum- and coal-derived fuels.

  本发明公开了润滑剂组合物，该组合物包含(A)至少一种酸性有机化合物的至少一种中性或碱性金属盐，其中盐中的金属为镁、钡或其混合物，以及(B)可选的至少一种烃基取代的无灰分散剂，其中每个烃基取代基的平均分子量不超过约1500，条件是组合物含有不超过0.06 重量百分比的钙、不超过 0.5 重量百分比的烃基取代基平均分子量大于约 1,500 的烃基取代基无灰分散剂，以及不超过 0.5 重量百分比的聚合物粘度改进剂，如烯烃共聚物、苯乙烯-二烯和/或聚甲基丙烯酸酯粘度改进剂。此外，还公开了用于制造此类润滑油配方的浓缩添加剂配方。文中介绍了用于润滑油底壳润滑的燃油喷射式酒精内燃机的方法，这些方法利用这些润滑剂组合物来帮助防止燃油喷射器中沉积物的形成，并提供有利的防锈和防腐蚀性能。这些配方还可用于润滑以石油和煤为燃料的内燃机。
• Antiwear enhancing composition for lubricants and functional fluids
  申请人：The Lubrizol Corporation

  公开号：EP0769546A2

  公开（公告）日：1997-04-23

  This invention relates to a composition, comprising: (A) a boron-containing overbased material; (B) a phosphorus acid, ester or derivative therof; and (C) a borated epoxide or borated fatty acid ester of glycerol. In one embodiment the inventive composition further comprises (D) a thiocarbamate. These compositions are useful in providing lubricants and functional fluids, particularly automatic transmission fluids, with enhanced antiwear properties. In one embodiment these compositions also provide such lubricants and functional fluids with enhanced extreme-pressure and/or friction-modifying.

  本发明涉及一种组合物，包括：(A) 含硼过基材料；(B) 磷酸、磷酯或其衍生物；(C) 硼化环氧化物或硼化甘油脂肪酸酯。在一个实施方案中，本发明组合物还包括 (D) 硫代氨基甲酸酯。这些组合物有助于提供抗磨损性能更强的润滑剂和功能性液体，尤其是自动传动液。在一个实施方案中，这些组合物还能使此类润滑剂和功能性润滑液具有更强的极压和/或摩擦修正性。