2,4-dimethylisophthalic acid | 18190-63-1

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2,4-dimethylisophthalic acid
• 英文别名: 2,4-dimethyl-isophthalic acid；2,4-Dimethyl-isophthalsaeure；2,4-Dimethylbenzol-1,3-dicarbonsaeure；2,4-dimethylbenzene-1,3-dicarboxylic acid
• CAS: 18190-63-1
• 化学式: C₁₀H₁₀O₄
• 分子量: 194.187
• InChiKey: RPFQLNVYEXATJW-UHFFFAOYSA-N

物化性质

• 沸点：
  411.6±33.0 °C(Predicted)
• 密度：
  1.320±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.7
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.2
• 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：

  2,4-dimethylisophthalic acid 在 vanadia 作用下， 生成 均苯四甲酸二酐 、 1,2,4-苯三甲酸 、 偏苯三酸酐
  参考文献：
  名称：

  Effect of the structure of methyl-substituted carboxylic acids and anhydrides on their activity in gas-phase oxidation

  摘要：

  DOI：

  10.1007/bf00950027
• 作为产物：
  描述：

  2,3,6-trimethylbenzoic acid 在 potassium permanganate 作用下， 生成 2,4-dimethylisophthalic acid
  参考文献：
  名称：

  Chemical Constitution of Isorenieratene

  摘要：

  DOI：

  10.1246/bcsj.31.51

文献信息

• [EN] ARYLPYRAZOLES AND ARYLISOXAZOLES AND THEIR USE AS PKD MODULATORS<br/>[FR] ARYLPYRAZOLES ET ARYLISOXAZOLES ET LEUR UTILISATION EN TANT QUE MODULATEURS DE LA PROTÉINE KINASE C (PKD)
  申请人：NOVARTIS AG

  公开号：WO2011009484A1

  公开（公告）日：2011-01-27

  The present invention provides novel organic compounds of formula (I) or (Ia): which may be inhibitors of a selective subset of kinases belonging to the AGC or calmodulin kinase family, such as for example PKD-1/2/3, inhibitors of histone deacetylase (HDAC) phosphorylation, or inhibitors of other kinases. The selectivity of which would depend on the structural variation thereof, and for treatment of a disorder or disease mediated by those selected AGC or calmodulin family kinases. These organic compounds can be used to treat various PKD associated states such as heart failure, colorectal cancer, regulation of cell growth, autoimmune disorders, or hyperproliferative skin disorders.

  本发明提供了化学式(I)或(Ia)的新型有机化合物：这些化合物可能是AGC或钙调素激酶家族中的一部分激酶的抑制剂，例如PKD-1/2/3，组蛋白去乙酰化酶（HDAC）磷酸化的抑制剂，或其他激酶的抑制剂。其选择性取决于其结构变化，用于治疗由这些选定的AGC或钙调素家族激酶介导的疾病或疾病。这些有机化合物可用于治疗各种PKD相关状态，如心力衰竭、结直肠癌、细胞生长调节、自身免疫性疾病或过度增生性皮肤疾病。
• [EN] INHIBITING HYDROCARBON HYDRATE AGGLOMERATION<br/>[FR] INHIBITION DE L'AGGLOMÉRATION D'HYDRATES D'HYDROCARBURES
  申请人：COMMW SCIENT IND RES ORG

  公开号：WO2018218281A1

  公开（公告）日：2018-12-06

  A process for inhibiting the formation of gas hydrates in a hydrocarbon fluid comprising adding to the hydrocarbon fluid, a gas hydrate anti-agglomerate which is a biodegradable anti-agglomerant derived from a naturally occurring substance.

  一种抑制碳氢化合物流体中天然气水合物形成的方法包括向碳氢化合物流体中添加一种气体水合物抗凝聚剂，该抗凝聚剂是一种可生物降解的抗凝聚剂，来源于天然存在的物质。
• [EN] PROCESS FOR PRODUCING URETHANE (METH)ACRYLATES AND NEW URETHANE (METH)ACRYLATES<br/>[FR] PROCÉDÉ POUR LA FABRICATION DE (MÉTH)ACRYLATES D'URÉTHANE ET NOUVEAUX (MÉTH)ACRYLATES D'URÉTHANE
  申请人：SURFACE SPECIALTIES SA

  公开号：WO2005110978A1

  公开（公告）日：2005-11-24

  The invention relates to urethane(meth)acrylates and to a process for their production which comprises transesterification of hydroxyalkyl carbamates with an (meth)acrylate of formula [CH2=CR29-CO-O-]t-R30 wherein R29 is hydrogen or methyl, and R30 represents an alkyl, optionally substituted by hydroxy, which may contain from 1 to 10 ether bridges group, from 1 to 10 -CO- bridges and/or from 1 to 5 -O-CO- bridges, and at least one carbonate of formula (IX) and/or a diester of formula (X) wherein each R31, each R32, each R33, each R34 is, independently, chosen from the group of alkyl and aryl, and R35 is alkylene, alkenylene or arylene.

  该发明涉及氨基甲酸酯（甲基）丙烯酸酯以及它们的生产方法，该方法包括将羟基烷基氨基甲酸酯与具有以下结构的（甲基）丙烯酸酯进行酯交换反应：[CH2=CR29-CO-O-]t-R30，其中R29为氢或甲基，R30代表一种烷基，该烷基可以选择性地被羟基取代，可能含有1到10个醚桥基团，1到10个-CO-桥基和/或1到5个-O-CO-桥基，并且至少含有一个具有以下结构的碳酸酯（IX）和/或一个具有以下结构的二酯（X），其中每个R31、每个R32、每个R33、每个R34独立地选择自烷基和芳基群，而R35为烷基、烯基或芳基。
• [EN] PROCESS FOR THE PREPARATION OF 1,3-CYCLOHEXANEDIMETHANOL FROM ISOPHTHALIC ACID<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 1,3-CYCLOHEXANEDIMÉTHANOL À PARTIR D'ACIDE ISOPHTALIQUE
  申请人：EASTMAN CHEM CO

  公开号：WO2013019442A1

  公开（公告）日：2013-02-07

  Disclosed is a process for the preparation of 1,3-cyclohexanedimethanol from isophthalic acid. Isophthalic acid is esterified with (3-methylcyclohexyl)methanol and the isophthalate ester hydrogenated to 1,3-cyclohexanedimethanol in a 2-stage process. The (3-methylcyclohexyl)methanol that is formed during the hydrogenation step is recycled to the esterification reaction. Also disclosed is a method for purifying and recovering the 1,3-cyclohexanedimethanol product.

  本发明公开了一种从苯二甲酸制备1,3-环己二甲醇的方法。将苯二甲酸与(3-甲基环己基)甲醇酯化，然后将苯二甲酸酯氢化为1,3-环己二甲醇，这是一个2阶段过程。在氢化步骤中形成的(3-甲基环己基)甲醇被回收到酯化反应中。本发明还公开了一种纯化和回收1,3-环己二甲醇产品的方法。
• Reactive monomer composition modified by a small-amount of lactones, an acrylic polyol resin, a curable resin composition, and a coating composition
  申请人：——

  公开号：US20040171867A1

  公开（公告）日：2004-09-02

  The present invention Nos. I and II relate to a hydroxyalkyl(meth)acrylate composition (a) modified by a small amount of lactones in which a proportion of monomers having two or more continuous chains (n≧2) of lactone is less than 50% (area % by GPC) which is obtained by a ring-opening polymerization of a lactone with a hydroxyalkyl(meth)acrylate, a method for the preparation thereof, and an acrylic polyol resin using thereof, 1 (in the formula, R, R 1 , R 2 , and R 3 are independently a hydrogen or a methyl group, “j” is an integer of 2-6, xn pieces of R 4 and R 5 are independently a hydrogen atom or an alkyl group having a carbon number of 1-12, “x” is 4-7, “n” is 0 or an integer of not less than 1, and an average value of “n” in the composition is not less than 0.3 to less than 1.0). By allowing to react the composition with other ethylenic unsaturated monomer and to formulate with a commonly-used crosslinking agent and other commonly-used components, there can be obtained a well-balanced high quality finishing agent for industries, an ultraviolet ray- or electron beam-curable coating agent, a composition which can be modified for a reactive improver, etc., and an acrylic polyol resin using thereof. The present invention No. III relates to a curable resin composition containing 0.5-80 parts by weight of an acrylic polyol resin (A) obtained using a hydroxyalkyl(meth)acrylate composition (a) modified by a small amount of lactones and 0.5-50 parts by weight of a melamine resin (B) [total of the (A) and (B) does not exceed, 100 parts by weight] as essential components. By the composition, even in a melamine-based curing system which is low in price, there can be obtained a curable-type coating composition in which an acid resistance is improved and highly well-balanced between an acid resistance and abrasion resistance, and which is also excellent in flexural resistance and adhesion in recoating. The present invention No. IV relates to a curable resin composition containing 0.5-80 parts by weight of an acrylic polyol resin (A) containing a hydroxyalkyl(meth)acrylate composition (a) modified by a small amount of lactones as a polymerizing component and 0.5-50 parts by weight of a melamine resin (B) [total of the (A) and (B) does not exceed 100 parts by weight] as essential components. By the composition, even in a melamine-based curing system which is low in price, there can be obtained a curable-type coating composition in which an acid resistance is improved and highly well-balanced between an acid resistance and abrasion resistance. The present invention No. V relates to a curable resin composition containing 0.5-80 parts by weight of an acrylic polyol resin (A) obtained using a hydroxyalkyl(meth)acrylate composition (a) modified by a small amount of lactones and 0.5-50 parts by weight of a polyisocyanate compound (B) [total of the (A) and (B) does not exceed 100 parts by weight] as essential components. By the composition, even in an isocyanate-based curing system, there can be obtained a curable-type coating composition in which a pot life is long and workability is improved, and which is highly well-balanced between an acid resistance and abrasion resistance, and which can provide a coating layer which is excellent also in flexural resistance and adhesion in recoating. The present invention No. VI relates to a curable resin composition containing 0.5-80 parts by weight of an acrylic polyol resin (A) obtained using a hydroxyalkyl(meth)acrylate composition (a) modified by a small amount of lactones and 0.5-50 parts by weight of a polyisocyanate compound (B) [total of the (A) and (B) does not exceed 100 parts by weight] as essential components. By the composition, even in an isocyanate-based curing system, there can be obtained a curable-type coating composition in which a pot life is long and workability is improved, and which is highly well-balanced between an acid resistance and abrasion resistance, and which can provide a coating layer which is excellent also in flexural resistance and adhesion in recoating. The present invention No. VII relates to a thermosetting resin composition containing 2-50 parts of an acrylic polyol resin obtained using a hydroxyalkyl(meth)acrylate composition (a) modified by a small amount of lactones and 30-80 parts of an acrylic copolymer having an alkoxysilyl group. By the composition, there can be obtained a thermosetting resin composition in which crosslinking density is elevated and hardness and abrasion resistance are improved as well as solving a problem of acid resistance and odor. The present invention No. VIII relates to a carboxylic group-contained acrylate composition (a′) modified by a small amount of lactones represented by a formula described below by allowing to react a hydroxyalkyl(meth)acrylate composition (a) modified by a small amount of lactones with a carboxylic anhydride, 2 (in the formula, R, R 1 , R 2 , and R 3 are independently a hydrogen or a methyl group, “j” is an integer of 2-6, xn pieces of R 4 and R 5 are independently a hydrogen atom or an alkyl group having a carbon number of 1-12, “x” is 4-7 , “n” is 0 or an integer of not less than 1, an average value of “n” in the composition is not less than 0.3 to less than 1.0 , R 6 is a residual group of a carboxylic acid, and “m” is an integer of 1-3), and relates to a method for the preparation thereof. By the method, there can be readily, efficiently, and economically obtained the carboxylic group-contained acrylate monomer composition modified by a small amount of lactones. The present invention No. IX relates to a curable resin composition containing 10-70 parts of an acrylic polycarboxylic resin essentially containing the carboxylic group-contained hydroxy(meth)acrylate monomer composition (a′) modified by a small amount of lactones as a polymerizing component and 0.5-80 parts of a polyepoxide. By the composition, there can be obtained a curable-type resin composition which can form a coating layer which is excellent in acid resistance, abrasion resistance, yellowing resistance, and outer appearance, and which is curable at a low temperature. The present invention No. X relates to a polyester unsaturated monomer (a″) modified by a small amount of lactones in which less than 1 mol of &egr;-caprolactone is allowed to react with 1 mol of a radically polymerizable unsaturated monomers containing carboxylic group under the presence of an acidic catalyst, and relates to a method for the preparation thereof. By the method, there can be readily and industrially prepared the monomer in a short step.

  本发明涉及一种由少量内酯修饰的羟基烷基（甲基）丙烯酸酯组合物（a），其中具有两个或多个连续链（n≥2）的内酯单体的比例小于50％（GPC的面积％），其通过羟基烷基（甲基）丙烯酸酯与内酯的开环聚合获得，以及制备方法和使用其的丙烯酸聚醇树脂。其中，在公共使用的交联剂和其他常用组分的反应下，可以获得工业上平衡良好的高质量涂料剂、紫外线或电子束固化涂料剂、可用于反应改进剂的组合物等。本发明还涉及含有0.5-80重量份羟基烷基（甲基）丙烯酸酯组合物（a）修饰的丙烯酸聚醇树脂（A）和0.5-50重量份三聚氰胺树脂（B）的可固化树脂组合物（A）和（B）的总重量不超过100重量份的可固化树脂组合物（III）。此外，还涉及含有0.5-80重量份羟基烷基（甲基）丙烯酸酯组合物（a）修饰的丙烯酸聚醇树脂（A）和0.5-50重量份聚异氰酸酯化合物（B）的可固化树脂组合物（A）和（B）的总重量不超过100重量份的可固化树脂组合物（V）和（VI）。还涉及含有羟基烷基（甲基）丙烯酸酯组合物（a）修饰的丙烯酸聚醇树脂（A）和具有烷氧基硅基团的丙烯酸共聚物的热固性树脂组合物（VII）。此外，还涉及通过使少量内酯与羟基烷基（甲基）丙烯酸酯组合物（a）在存在酸性催化剂的情况下反应而得到的含有羧基丙烯酸酯组合物（a′）的修饰物，以及含有羧基丙烯酸酯组合物（a′）和聚环氧化合物的可固化树脂组合物（IX）。最后，还涉及通过在存在酸性催化剂的情况下使少于1摩尔的ε-己内酯与含有羧基团的自由基聚合可的不饱和单体反应而得到的少量内酯修饰的聚酯不饱和单体（a″）以及其制备方法。