2-pyrrolidone-5-carboxylic acid 2-ethylhexyl ester | 286856-84-6

• 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: 2-pyrrolidone-5-carboxylic acid 2-ethylhexyl ester
• 英文别名: 2-Ethylhexyl 2-pyrrolidone-5-carboxylate；2-ethylhexyl 5-oxopyrrolidine-2-carboxylate
• CAS: 286856-84-6
• 化学式: C₁₃H₂₃NO₃
• 分子量: 241.331
• InChiKey: YEMWTVRIHVDMPF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  17
• 可旋转键数：
  8
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.85
• 拓扑面积：
  55.4
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2-乙基己醇 、 DL-焦谷氨酸 130.0~150.0 ℃ 、933.25 Pa 条件下， 反应 18.0h， 以22 g的产率得到2-pyrrolidone-5-carboxylic acid 2-ethylhexyl ester
  参考文献：
  名称：

  Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine

  摘要：

  本发明涉及一种润滑组合物，包含(a)润滑粘度油；和(b)从以下组合中选择的化合物：(i)含酯的杂环化合物；(ii)含酰胺的杂环化合物；和(iii)嘧啶，其中含酯的杂环化合物和含酰胺的杂环化合物具有含有6至40个碳原子的烃基。该发明还提供了一种向内燃机提供润滑组合物的方法。

  公开号：

  US09982210B2

文献信息

• Cellulose Compound Film, Optical Compensation Sheet, Polarizing Plate, and Liquid Crystal Display Device
  申请人：Nozoe Yutaka

  公开号：US20070259134A1

  公开（公告）日：2007-11-08

  A cellulose compound film containing a cellulose compound having two or more substituents whose polarizability anisotropies Δα calculated by mathematical formula (1) are different from each other, wherein substitution degrees of the following substituents A and B in the cellulose compound satisfy relationship as defined by mathematical formula (A1), in which the substituent A has the lowest Δα and the substituent B has the highest Δα: Δ ⁢ ⁢ α = α ⁢ ⁢ x - α ⁢ ⁢ y + α ⁢ ⁢ z 2 Mathematical ⁢ ⁢ formula ⁢ ⁢ ( 1 ) wherein, in characteristic values obtained after diagonalization of polarizability tensor, αx is the largest component, αy is the second largest component, and αz is the smallest component; DS B 2+ DS B 3− DS B 6≧−0.1   Mathematical formula (A1) wherein DS B 2, DS B 3, and DS B 6 represent a substitution degree of the substituent B at the 2-, 3-, or 6-position of a β-glucose ring constituting unit of cellulose, respectively; and an optical compensation film, a polarizing plate, and a liquid crystal display device, using the cellulose compound film.

  一种纤维素化合物薄膜，其含有具有两个或更多取代基的纤维素化合物，其极化率各向异性Δα通过数学公式（1）计算得出，其中以下取代基A和B的取代度满足数学公式（A1）所定义的关系，其中取代基A具有最低的Δα，而取代基B具有最高的Δα：Δα = αx-αy + αz2数学公式（1）其中，在极化率张量对角化后获得的特征值中，αx是最大分量，αy是第二大分量，αz是最小分量;DSB2 + DSB3-DSB6≥-0.1数学公式（A1）其中DSB2、DSB3和DSB6分别表示取代基B在纤维素构成单位β-葡萄糖环的2-、3-或6-位置的取代度;以及使用该纤维素化合物薄膜的光学补偿膜、偏光板和液晶显示装置。
• Cellulose Acylate Film, Method of Producing the Same, Cellulose Derivative Film, Optically Compensatory Film Using the Same, Optically-Compensatory Film Incorporating Polarizing Plate, Polarizing Plate and Liquid Crystal Display Device
  申请人：Haruta Hiromoto

  公开号：US20090290100A1

  公开（公告）日：2009-11-26

  A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy Δα represented as following Expression (1) is 2.5×10 −24 cm 3 or higher: Expression (1): Δα=αx−(αy+αz)/2, wherein αx, αy and αz is as defined in the specification; and (b) when a substitution degree by a substituent of which Δα is 2.5×10 −24 cm 3 or higher is P A , and a substitution degree by a substituent of which Δα is lower than 2.5×10 −24 cm 3 is P B , the P A and P B satisfy following Expressions (3) and (4): Expression (3): 2P A +P B >3.0; and Expression (4): P A >0.2.

  一种生产纤维素衍生物薄膜的方法，该方法包括：使用包括满足以下条件（a）和（b）的纤维素衍生物的溶胶，通过溶剂浇铸法形成薄膜：（a）纤维素的葡萄糖单元中的三个羟基中的至少一个被取代为极化率各向异性Δα（以下表达式（1）表示）为2.5×10-24cm3或更高的取代基：表达式（1）：Δα=αx-（αy+αz）/ 2，其中αx，αy和αz如规范中定义的；并且（b）当Δα为2.5×10-24cm3或更高的取代基的取代度为PA时，Δα低于2.5×10-24cm3的取代基的取代度为PB，PA和PB满足以下表达式（3）和（4）：表达式（3）：2PA + PB> 3.0；表达式（4）：PA> 0.2。
• Use of pyroglutamic acid alkyl esters for the manufacture of a medicament for the treatment of ichthyosis
  申请人：UNILEVER PLC

  公开号：EP0342055A2

  公开（公告）日：1989-11-15

  A therapeutic composition for the treatment of skin disorders comprises a therapeutically effective amount of a curative agent chosen from special esters of pyroglutamic acid, and mixtures thereof, in a therapeutically acceptable vehicle for topical application.

  一种用于治疗皮肤疾病的治疗组合物，包括一种治疗有效量的治疗剂，该治疗剂选自焦谷氨酸的特殊酯类及其混合物，并置于治疗上可接受的载体中，供局部使用。
• Benzisothiazolinone-1-dioxide derivatives as elastase inhibitors
  申请人：UNILEVER PLC

  公开号：EP0446047A1

  公开（公告）日：1991-09-11

  The invention relates to pharmaceutical and cosmetic compositions comprising at least one benzisothiazolinone-1-dioxide derivative with the formula: where R¹ can be hydrogen, and R² can be certain generally hydrophobic C₈-C₂₀ aliphatic groups or the group: where R⁵ is aliphatic or else R² is a saturated or unsaturated C₂-C₆ group ending in an aromatic nucleus. These compositions can be used to inhibit elastases such as human leucocytic elastase. They may be applied topically as a cosmetic. Many of the benzisothiazolinone-1-dioxide derivative specified as active ingredient in such compositions are novel compounds.

  本发明涉及包含至少一种苯并异噻唑啉酮-1-二氧化物衍生物的药物和化妆品组合物，其化学式为 其中 R¹ 可以是氢，R² 可以是某些一般疏水的 C₈-C₂₀ 脂肪族基团或基团： 其中 R⁵ 是脂肪族，否则 R² 是以芳香核结尾的饱和或不饱和 C₂-C₆ 基团。 这些成分可用于抑制弹性蛋白酶，如人白细胞弹性蛋白酶。它们可作为化妆品局部使用。 许多被指定为此类组合物活性成分的苯并异噻唑啉酮-1-二氧化物衍生物都是新型化合物。
• Cosmestic composition
  申请人：UNILEVER PLC

  公开号：EP0572167A1

  公开（公告）日：1993-12-01

  A composition suitable for topical application to mammalian skin and hair for inducing, maintaining or increasing hair growth comprises a hair growth promoter chosen from glutamic acid derivatives and salts thereof. The composition preferably also comprises an activity enhancer which may be chosen from hair growth stimulants, penetration enhancers and cationic polymers.

  一种适用于哺乳动物皮肤和毛发的外用组合物，可诱导、维持或增加毛发生长，其中包括一种毛发生长促进剂，选自谷氨酸衍生物及其盐类。该组合物最好还包含一种活性增强剂，它可以选自毛发生长刺激剂、渗透增强剂和阳离子聚合物。