Kohlensaeure-di-n-hexadecylester | 13784-52-6

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 有机碳酸及其衍生物
• 英文名称: Kohlensaeure-di-n-hexadecylester
• 英文别名: dipalmityl carbonate；1-hexadecyl carbonate；Dihexadecyl-carbonat；Dicetyl carbonate；dihexadecyl carbonate
• CAS: 13784-52-6
• 化学式: C₃₃H₆₆O₃
• 分子量: 510.885
• InChiKey: RAIOXDBEGGPDRH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  16
• 重原子数：
  36
• 可旋转键数：
  32
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.97
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  Kohlensaeure-di-n-hexadecylester 在 4-二甲氨基吡啶 、 magnesium sulfate 、 copper(I) bromide 作用下， 以 二氯甲烷 、 甲苯 为溶剂， 反应 21.0h， 生成 新利司他
  参考文献：
  名称：

  一种脂肪酶抑制剂的制备方法

  摘要：

  本发明属于医药技术领域，具体涉及脂肪酶抑制剂2‑十六烷氧基‑6‑甲基‑4H‑3,1‑苯并噁嗪‑4‑酮的制备方法，本发明通过中间体十六烷基‑2‑卤代‑5‑甲基‑苯甲酰基氨基甲酸酯式(Ⅱ)，在催化剂作用下，通过N‑酰基‑2‑卤代苯酰胺环合‑重排反应制备1‑(2‑卤代苯基)‑1,3‑二酮，通过酰亚胺中‑NH与卤素脱卤化氢先形成内酰胺四元环，然后经C‑N重排反应形成苯并噁嗪‑4‑酮结构。本发明具有产品纯度高、工艺简单易行和安全，适合工业化生产要求的特点。

  公开号：

  CN105439974B
• 作为产物：
  描述：

  1-十六烷醇 、 碳酸二甲酯 在 二正丁基氧化锡 作用下， 以 neat (no solvent) 为溶剂， 反应 4.5h， 以70.47%的产率得到Kohlensaeure-di-n-hexadecylester
  参考文献：
  名称：

  对称脂肪碳酸二烷基酯作为潜在的绿色相变材料：合成与表征

  摘要：

  对称的脂肪族碳酸二烷基酯构成了一组化学物质，具有很大的潜力作为相变材料（PCM）应用。在这项研究中，在实验室规模上研究了影响这些碳酸盐合成的各种参数，包括：反应物比例，反应温度和时间以及所用催化剂的量。使用FTIR和NMR光谱鉴定所需产物的结构。差示扫描量热法（DSC）分析用于确定合成的对称脂肪碳酸二烷基酯碳酸酯作为PCM在节能应用中的潜力。

  DOI：

  10.1134/s1070363219070223

文献信息

• From Alkyl Halides to Ketones: Nickel‐Catalyzed Reductive Carbonylation Utilizing Ethyl Chloroformate as the Carbonyl Source
  作者：Renyi Shi、Xile Hu

  DOI：10.1002/anie.201903330

  日期：2019.5.27

  remains in high demand. Described here is a nickel‐catalyzed three‐component reductive carbonylation method for the synthesis of dialkyl ketones. A wide range of both symmetric and asymmetric dialkyl ketones can be accessed from alkyl halides and a safe CO source, ethyl chloroformate. The approach offers complementary substrate scope to existing carbonylation methods while avoiding the use of either toxic

  酮在合成和药物化学中是一类重要的分子。仍然需要快速和模块化的酮合成。本文描述了一种镍催化的三组分还原羰基化方法，用于合成二烷基酮。可以从卤代烷和安全的一氧化碳源（氯甲酸乙酯）中获得各种对称和不对称的二烷基酮。该方法为现有的羰基化方法提供了互补的底物范围，同时避免了使用有毒的CO或羰基金属试剂。
• N-Substituted Carbamic Acid Ester Production Method, Isocyanate Production Method Using Such N-Substituted Carbamic Acid Ester, And Composition For Transfer And Storage Of N-Substituted Carbamic Acid Ester Comprising N-Substituted Carbamic Acid Ester and Aromatic Hydroxy Compound
  申请人：Shinohata Masaaki

  公开号：US20110133121A1

  公开（公告）日：2011-06-09

  The present invention is a method for producing an N-substituted carbamic acid ester derived from an organic amine from an organic amine, a carbonic acid derivative and a hydroxy composition containing one or more types of hydroxy compounds, wherein the organic amine, the carbonic acid derivative and the hydroxy composition are reacted using a urethane production reaction vessel provided with a condenser, a gas containing the hydroxy composition, the compound having the carbonyl group derived from the carbonic acid derivative, and an ammonia formed as a by-product in the reaction, is introduced into the condenser provided in the urethane production reaction vessel, and the hydroxy composition and the compound having the carbonyl group derived from the carbonic acid derivative are condensed, and wherein a stoichiometric ratio of a hydroxy compound contained in the condensed hydroxy composition to the condensed compound having the carbonyl group derived from the carbonic acid derivative is 1 or more, and a ratio of number of carbonyl groups (—C(═O)—) contained in the compound having the carbonyl group derived from the carbonic acid derivative and number of ammonia molecules contained in the ammonia recovered as a gas from the condenser is 1 or less.

  本发明涉及一种从有机胺、碳酸衍生物和含有一种或多种羟基化合物中制得的N-取代氨基甲酸酯的制备方法，其中使用一种含有冷凝器的脲类生产反应容器反应有机胺、碳酸衍生物和羟基化合物，将含有羟基化合物的气体、来自碳酸衍生物衍生的含有羰基基团的化合物、以及在反应中形成的氨气体引入到脲类生产反应容器中的冷凝器中，使羟基化合物和含有羰基基团的化合物冷凝，其中在冷凝的羟基化合物中所含有的羟基化合物与冷凝的含有羰基基团的化合物中所含有的羰基基团的化合物的比例为1或更多，而且在从冷凝器中回收的氨气体中所含有的羰基基团（—C(═O)—）数与氨分子数的比例为1或更少。
• N-Substituted Carbamic Acid Ester Production Method, Isocyanate Production Method Using Such N-Substituted Carbamic Acid Ester, and Composition for Transfer and Storage of N-Substituted Carbamic Acid Ester Comprising N-Substituted Carbamic Acid Ester and Aromatic Hydroxy Compound
  申请人：Asahi Kasei Chemicals Corporation

  公开号：US20140194650A1

  公开（公告）日：2014-07-10

  The present invention is a method for producing an N-substituted carbamic acid ester derived from an organic amine from an organic amine, a carbonic acid derivative and a hydroxy composition containing one or more types of hydroxy compounds, wherein the organic amine, the carbonic acid derivative and the hydroxy composition are reacted using a urethane production reaction vessel provided with a condenser, a gas containing the hydroxy composition, the compound having the carbonyl group derived from the carbonic acid derivative, and an ammonia formed as a by-product in the reaction, is introduced into the condenser provided in the urethane production reaction vessel, and the hydroxy composition and the compound having the carbonyl group derived from the carbonic acid derivative are condensed, and wherein a stoichiometric ratio of a hydroxy compound contained in the condensed hydroxy composition to the condensed compound having the carbonyl group derived from the carbonic acid derivative is 1 or more, and a ratio of number of carbonyl groups (—C(═O)—) contained in the compound having the carbonyl group derived from the carbonic acid derivative and number of ammonia molecules contained in the ammonia recovered as a gas from the condenser is 1 or less.

  本发明是一种从有机胺、碳酸酯衍生物和含有一种或多种羟基化合物中制备N-取代的氨基甲酸酯的方法，其中利用一种尿素生产反应容器反应有机胺、碳酸酯衍生物和羟基化合物，该反应容器配有冷凝器，将含有羟基化合物的气体、由碳酸酯衍生物产生的含有羰基基团的化合物以及在反应中生成的氨引入到尿素生产反应容器中的冷凝器中，将羟基化合物和含有羰基基团的碳酸酯衍生物冷凝，其中在冷凝的羟基化合物中所含的羟基化合物的化学计量比与所冷凝的含有羰基基团的化合物的化学计量比为1或更多，而且所含有羰基基团的化合物中所含的羰基基团（-C(═O)-）的数量与从冷凝器中回收的氨分子数量的比率为1或更小。
• Polycarbonate films prepared by coating methods
  申请人：EASTMAN KODAK COMPANY

  公开号：EP1369451A2

  公开（公告）日：2003-12-10

  A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, polycarbonate films are prepared by simultaneous application of multiple liquid layers to a moving carrier substrate. After solvent removal, the polycarbonate films are peeled from the sacrificial carrier substrate. Polycarbonate films prepared by the current invention exhibit good dimensional stability and low birefringence.

  本发明传授了一种薄膜制造方法，该方法使用涂布和干燥设备来制造适用于光学应用的树脂薄膜。 具体而言，聚碳酸酯薄膜的制备方法是在移动的载体基板上同时涂上多层液体。 去除溶剂后，聚碳酸酯薄膜从牺牲载体基底上剥离。 本发明制备的聚碳酸酯薄膜具有良好的尺寸稳定性和低双折射性。
• SYSTEM HAVING DLC CONTACTING FACES, METHOD FOR LUBRICATING THE SYSTEM AND LUBRICATING OIL FOR THE SYSTEM
  申请人：Nippon Oil Corporation

  公开号：EP1661971A1

  公开（公告）日：2006-05-31

  The present invention relates to a system wherein a pair of relatively movable, facing DLC contact surfaces at least one of which is coated with a DLC film, are further lowered in friction, and the low friction property is stably maintained. The present invention also relates to a lubricant for the system, and a lubricating method. The lubricant for the system having the DLC contact surfaces contains lubricant base oil (A) mainly composed of base oil (X), and sulfur-containing molybdenum complex (B). The base oil (X) is at least one of hydrocracked mineral oils, wax-isomerized mineral oils, and poly-α-olefin base oils, and has a kinematic viscosity of 2 to 20 mm2/s at 100 °C, a total aromatic content of not higher than 5 mass%, and a total sulfur content of not higher than 0.005 mass%.

  本发明涉及一种系统，在该系统中，一对相对可移动、面对面的 DLC 接触表面（其中至少一个表面涂有 DLC 薄膜）可进一步降低摩擦，并稳定地保持低摩擦特性。本发明还涉及一种用于该系统的润滑剂和一种润滑方法。具有 DLC 接触表面的系统润滑剂包含主要由基础油 (X) 和含硫钼络合物 (B) 组成的润滑基础油 (A)。基础油 (X) 至少是加氢裂化矿物油、蜡异构化矿物油和聚α-烯烃基础油中的一种，在 100 °C 时的运动粘度为 2 至 20 mm2/s，总芳烃含量不高于 5 质量%，总硫含量不高于 0.005 质量%。