2-甲基辛二酸 | 63319-78-8

• 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: 2-甲基辛二酸
• 英文名称: acide methyl-2 suberique
• 英文别名: 2-methyl-octanedioic acid；2-Methyl-octandisaeure；2-Methyloctandisaeure；Methyloctane-1,8-dioic acid；2-methyloctanedioic acid
• CAS: 63319-78-8
• 化学式: C₉H₁₆O₄
• 分子量: 188.224
• InChiKey: KIBVFIDMXQZCBS-UHFFFAOYSA-N

物化性质

• 熔点：
  76 °C(Solv: chloroform (67-66-3))
• 沸点：
  362.6±25.0 °C(Predicted)
• 密度：
  1.128±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  13
• 可旋转键数：
  7
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.78
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  2-甲基辛二酸 在 Lipase Pancreatic Porcin enzym 草酰氯 、 N,N'-羰基二咪唑 作用下， 以 四氢呋喃 、 N,N-二甲基甲酰胺 、 苯 为溶剂， 反应 2.5h， 生成 7-chlorocarbonyl-2-methyl-heptanoic acid ethyl ester
  参考文献：
  名称：

  Drouillard, S.; Degueil-Castaing, M.; Jeso, B. De, Bulletin des Societes Chimiques Belges, 1988, vol. 97, # 10, p. 761 - 774

  摘要：

  DOI：
• 作为产物：
  描述：

  2-methyl-5-oxo-octanedioic acid 生成 2-甲基辛二酸
  参考文献：
  名称：

  此外冯aldehyden一个aktivierte doppelbindungen-XII 1：恩波诺伊尔WEGつ4-oxooctandisäuren

  摘要：

  2-呋喃甲双醛可平滑地添加到丙烯腈中。所得的γ-乙腈的还原和Marckwald裂解导致4-氧辛烷二酸。

  DOI：

  10.1016/0040-4020(77)80119-1

文献信息

• Water-Dispersed Polyurethane Composition
  申请人：Fujita Naohiro

  公开号：US20080194757A1

  公开（公告）日：2008-08-14

  The water-dispersed polyurethane composition of the present invention comprises a polyisocyanate component (a), a polyol component (b), and water as the essential components, wherein, at least, an isocyanate compound represented by general formula (I) below is used as the polyisocyanate component (a). The water-dispersed polyurethane composition of the present invention is excellent in adhesiveness, water resistance, corrosion resistance, heat resistance, weather resistance, water repellency, oil repellency, and the like, and can be suitably used as paint for surface-treated steel plates. wherein R 1 represents an alkyl group having 10 to 30 carbon atoms, R 2 represents —N═C═O or —NH—C(═O)C—O— R 1 , and A represents a residue other than two —N═C═O groups derived from a diisocyanate.

  本发明的水分散聚氨酯组合物包括聚异氰酸酯组分（a）、聚醇组分（b）和水作为必要组分，其中，至少使用下式（I）表示的异氰酸酯化合物作为聚异氰酸酯组分（a）。本发明的水分散聚氨酯组合物在粘附性、耐水性、耐腐蚀性、耐热性、耐候性、防水性、防油性等方面表现出色，并可适用于表面处理钢板的涂料。其中，R1表示具有10至30个碳原子的烷基，R2表示—N═C═O或—NH—C（═O）C—O—R1，A表示从二异氰酸酯衍生的两个—N═C═O基团以外的残基。
• REUSABLE PRINT MEDIUM AND METHOD OF MANUFACTURING THEREOF
  申请人：OCE TECHNOLOGIES B.V.

  公开号：US20130137805A1

  公开（公告）日：2013-05-30

  The present invention relates to a reusable print medium comprising a substrate and a sacrificial layer. The sacrificial layer contains a hotmelt composition at least comprising an amorphous material. The amorphous material is a resin being a reaction product of a first monomer A, said first monomer A being a polyhydroxyl alcohol comprising X hydroxyl functional groups, wherein X≧2, monomer A optionally comprises a primary or secondary amine functionality; a second monomer B, being an aromatic monocarboxylic acid; a third monomer C, said third monomer C being able to form an ester linkage with an alcohol and/or an amide linkage with a primary or secondary amine; and optionally, a fourth monomer D, being an aromatic monocarboxylic acid different from the second monomer B. The sacrificial layer including the printed image may be removed from the substrate by applying heat. A new sacrificial layer may be applied such that the reusable print medium is ready to be reused. The present invention also relates to a method of manufacturing a reusable print medium according to the present invention, a method of printing and recycling such a print medium and an apparatus for printing and recycling such a print medium.

  本发明涉及一种可重复使用的印刷介质，包括基底和牺牲层。牺牲层含有至少包括非晶态材料的热熔组合物。该非晶态材料是一种树脂，是第一单体A的反应产物，第一单体A是一种聚羟基醇，包括X个羟基官能团，其中X≥2，单体A可选包括一种主链或侧链氨基官能团；第二单体B是一种芳香单羧酸；第三单体C能够与醇形成酯键和/或与一种主链或侧链氨基形成酰胺键；可选地，第四单体D是一种与第二单体B不同的芳香单羧酸。可以通过施加热量从基底中去除包括印刷图像的牺牲层。可以应用新的牺牲层，使可重复使用的印刷介质准备好被重用。本发明还涉及一种制造可重复使用的印刷介质的方法，一种印刷和回收这样的印刷介质的方法，以及一种印刷和回收这样的印刷介质的装置。
• Cosmetic Compositions Containing Esters Based on 2-Propylheptanol
  申请人：Cognis IP Management GmbH

  公开号：US20140121394A1

  公开（公告）日：2014-05-01

  Esters of 2-propylheptanol with linear or branched, saturated or unsaturated C 5 -C 36 carboxylic acids and C 4 -C 36 dicarboxylic acids, compositions comprising these esters, and to the use of esters of 2-propylheptanol with linear or branched, saturated or unsaturated C 5 -C 35 -carboxylic acids and/or C 4 -C 36 -dicarboxylic acids in cosmetic and/or topical pharmaceutical preparations.

  本发明涉及具有线性或支链、饱和或不饱和的C5-C36羧酸和C4-C36二元羧酸的2-丙基庚醇酯，包含这些酯的组合物，以及在化妆品和/或局部制药制剂中使用具有线性或支链、饱和或不饱和的C5-C35羧酸和/或C4-C36二元羧酸的2-丙基庚醇酯。
• Phenol derivatives, their preparation and the use thereof
  申请人：OTSUKA PHARMACEUTICAL FACTORY, INC.

  公开号：EP0263229A1

  公开（公告）日：1988-04-13

  Disclosed are phenol derivatives of the formula wherein R' is a substituted phenyl group, R2 and R3 are C1-C6 alkyl group and of the formula wherein R8, R9 and R1c are C1-C6 alkyl and the like and A is H, C1-C6 alkylsulfonyl and the like substituents. These compounds and some related compounds have anti-inflammatory activity and lipoxygenase inhibitory activity.

  公开了如下式的苯酚衍生物 其中 R' 为取代的苯基，R2 和 R3 为 C1-C6 烷基，以及式 其中 R8、R9 和 R1c 为 C1-C6 烷基及类似基团，A 为 H、C1-C6 烷基磺酰基及类似基团。这些化合物和一些相关化合物具有抗炎活性和脂氧合酶抑制活性。
• New di-aldehyde and its use in the preparation of new urethanes for molded articles
  申请人：KURARAY CO., LTD.

  公开号：EP0712829A2

  公开（公告）日：1996-05-22

  The present invention provides a polyurethane comprising a polyester diol component, an organic diisocyanate component and a chain extender component, 30 mole % or more of dicarboxylic acid units constituting said polyester diol being units from 3,8-dimethyldecanedioic acid unit and/or units from 3,7-dimethyldecanedioic acid unit, said polyester diol having a number-average molecular weight of 500 to 6000; a molded article comprising the same; a polyurethane fiber comprising the same; and said polyester diol. The present invention provides a process for producing a dimethyldecanedioic acid represented by the general formula (II)         HOOC-CH₂-CH(CH₃)-CH₂-CH₂-CH₂-CH(A)-CH(B)-CH₂-COOH     (II) wherein either of A and B represents a methyl group and the rest represents a hydrogen atom, which comprises oxidizing a dimethyldecanedial represented by the general formula (I)         OHC-CH₂-CH(CH₃)-CH₂-CH₂-CH₂-CH(A)-CH(B)-CH₂-CHO     (I) wherein either of A and B represents a methyl group and the rest represents a hydrogen atom. The present invention provides a dimethyldecanedial represented by the general formula (I). Furthermore, the present invention provides a process for producing a dimethyldecanedial represented by the general formula (I), comprising hydroformylating a diolefin represented by the general formula (III)         CH₂=C(CH₃)-CH₂-CH₂-CH₂-CH(A)-CH(B)=CH₂     (III) wherein either of A and B represents a methyl group and the rest represents a hydrogen atom. The polyurethane of the present invention is superior in various properties such as resistance to hydrolysis, heat resistance, resistance to hot water, cold resistance, fungal resistance and mechanical performances e.g., strength at break and elongation at break, as well as injection moldability. The polyurethane fiber of the present invention is superior in heat resistance, resistance to hot water, cold resistance and resistance to hydrolysis, and is dyeable under high-temperature and high-pressure conditions. Furthermore, it is superior, after dyeing, in tensile strength and elongation, elastic recovery, fungal resistance, resistance to chlorine and color fastness. The dimethyldecanedial of the present invention is useful as a raw material of production of the dimethyldecanedioic acid represented by the general formula (II). Furthermore, the polyester diol containing the dimethyldecanedioic acid as a dicarboxylic acid component, shows excellent resistance to hydrolysis and is useful as a raw material for producing high-performance polyurethanes.

  本发明提供了一种聚氨酯，包括聚酯二元醇组分、有机二异氰酸酯组分和扩链剂组分，构成所述聚酯二元醇的二羧酸单元中30摩尔％或更多是来自3,8-二甲基癸二酸单元和/或来自3,7-二甲基癸二酸单元的单元，所述聚酯二元醇的数均分子量为500至6000；由其构成的模塑制品；由其构成的聚氨酯纤维；以及所述聚酯二元醇。 本发明提供了一种生产通式 (II) 所代表的二甲基癸二酸的工艺 hooc-ch₂-ch(ch₃)-ch₂-ch₂-ch₂-ch(a)-ch(b)-ch₂-cooh (ii) 其中 A 和 B 之一代表甲基，其余代表氢原子，包括氧化通式 (I) 所代表的二甲基癸二醛 OHC-CH₂-CH(CH₃)-CH₂-CH₂-CH₂-CH(A)-CH(B)-CH₂-CHO (I) 其中 A 和 B 之一代表甲基，其余代表氢原子。 本发明提供了通式（I）所代表的二甲基癸二醛。 此外，本发明还提供了一种生产通式(I)所代表的二甲基癸二醛的工艺，包括将通式(III)所代表的二烯烃进行氢甲酰化反应 ch₂=c(ch₃)-ch₂-ch₂-ch₂-ch(a)-ch(b)=ch₂ (iii) 其中 A 和 B 之一代表甲基，其余代表氢原子。 本发明的聚氨酯在耐水解性、耐热性、耐热水性、耐寒性、耐真菌性、机械性能（如断裂强度和断裂伸长率）以及注塑成型性等各种性能方面都非常优越。 本发明的聚氨酯纤维具有优异的耐热性、耐热水性、耐寒性和耐水解性，并可在高温高压条件下染色。此外，染色后的拉伸强度和伸长率、弹性恢复、抗真菌性、抗氯性和色牢度也更出色。 本发明的二甲基癸二醛可用作生产通式（II）所代表的二甲基癸二酸的原料。此外，含有作为二羧酸成分的二甲基癸二酸的聚酯二元醇具有优异的耐水解性，可用作生产高性能聚氨酯的原料。