(4-Aethyl-phenyl)-phosphonsaeure | 6873-66-1

• 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: (4-Aethyl-phenyl)-phosphonsaeure
• 英文别名: p-Aethylphenylphosphonsaeure；p-Aethylbenzol-phosphonsaeure；(4-ethyl-phenyl)-phosphonic acid；1-Aethyl-benzol-phosphinsaeure-(4)；4-Aethyl-phenylphosphinsaeure；(4-Ethylphenyl)phosphonic acid
• CAS: 6873-66-1
• 化学式: C₈H₁₁O₃P
• 分子量: 186.147
• InChiKey: CRPRCSYCZWFVED-UHFFFAOYSA-N

物化性质

• 熔点：
  178-178.5 °C
• 沸点：
  359.9±35.0 °C(Predicted)
• 密度：
  1.29±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  57.5
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  溴己烷 、 (4-Aethyl-phenyl)-phosphonsaeure 在 四甲基氢氧化铵 作用下， 生成 hexyl hydrogen 4-ethylphenylphosphonate
  参考文献：
  名称：

  Studies on Organophosphorus Compounds XL. An One-Pot Procedure for the Mono-O-Alkylation of Phosphonic Acid: A Facile Synthesis of Alkyl Hydrogenp-Substituted Phenylphosphonates

  摘要：

  描述了一种单锅合成六氟氢p-取代苯基膦酸酯4的程序，该方法基于双胺基膦酸3的双(四甲基铵)盐的单-O-烷基化，产率适中。

  DOI：

  10.1055/s-1990-26813
• 作为产物：
  描述：

  (4-ethyl-phenyl)-phosphonic acid-dichloride 在 水 作用下， 生成 (4-Aethyl-phenyl)-phosphonsaeure
  参考文献：
  名称：

  Michaelis, Justus Liebigs Annalen der Chemie, 1896, vol. 293, p. 292

  摘要：

  DOI：

文献信息

• CARBONIC ACID ESTER AND MAGNETIC RECORDING MEDIUM
  申请人：IMAKUNI Akira

  公开号：US20080241599A1

  公开（公告）日：2008-10-02

  A carbonic acid ester is provided that is represented by the formula below and has a melting point of no greater than 0° C. (In the formula, R 1 and R 2 independently denote a saturated hydrocarbon group, R 1 is a branched chain, and R 2 is a straight or branched chain). There is also provided a magnetic recording medium that includes a non-magnetic support and, above the support, at least one magnetic layer including a ferromagnetic powder dispersed in a binder, the magnetic layer including the carbonic acid ester. Furthermore, there is provided a magnetic recording medium including a support and, above the support, a non-magnetic layer including a non-magnetic powder dispersed in a binder, and above the non-magnetic layer, at least one magnetic layer including a ferromagnetic powder dispersed in a binder, the non-magnetic layer and/or the magnetic layer including the carbonic acid ester.

  提供一种碳酸酯，其化学式如下，并且其熔点不大于0°C。（在化学式中，R1和R2分别表示饱和碳氢基团，R1是支链，R2是直链或支链）。还提供了一种磁记录介质，包括非磁性支撑物，在支撑物上方至少有一层包括铁磁粉末分散在粘合剂中的磁性层，该磁性层包括碳酸酯。此外，还提供了一种磁记录介质，包括支撑物，在支撑物上方有一层包括非磁性粉末分散在粘合剂中的非磁性层，以及在非磁性层上方，至少有一层包括铁磁粉末分散在粘合剂中的磁性层，其中非磁性层和/或磁性层包括碳酸酯。
• [EN] HETEROCYCLIC INHIBITORS OF ENPP1<br/>[FR] INHIBITEURS HÉTÉROCYCLIQUES D'ENPP1
  申请人：VOLASTRA THERAPEUTICS INC

  公开号：WO2021257614A1

  公开（公告）日：2021-12-23

  The present disclosure relates generally to inhibitors of ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1), compositions thereof, and methods of using said compounds and compositions thereof. More specifically, the present disclosure relates to triazolopyrimidine and imidazolopyrimidine inhibitors of ENPP1 and methods of their use for treating disease mediated by ENPP1.

  本公开涉及抑制细胞外核苷酸焦磷酸酶/磷酸二酯酶1（ENPP1）的抑制剂，其组成物和使用该化合物和其组成物的方法。更具体地，本公开涉及三唑嘧啶和咪唑嘧啶抑制剂的ENPP1及其使用方法，用于治疗由ENPP1介导的疾病。
• Polyactic Acid Resin Composition
  申请人：Ozawa Masaaki

  公开号：US20070299170A1

  公开（公告）日：2007-12-27

  It is an object of the present invention is to provide a polylactic acid resin composition in which a crystal nucleator appropriate for accelerating crystallization of polylactic acid rein is added. A polylactic acid resin composition comprising a polylactic acid resin, and a metal salt of a phosphorus compound of formula (I) wherein R 1 and R 2 may be the same or different and are hydrogen atom, C 1-10 alkyl or C 2-10 alkoxycarbonyl, or a polylactic acid resin composition comprising a polylactic acid resin, and a metal salt of a phosphorus compound of formula (II) wherein R 3 , R 4 , R 5 and R 6 may be the same or different and are hydrogen atom, C 1-10 alkyl or C 2-10 alkoxycarbonyl. The composition is excellent in heat resistance and forming processability.

  本发明旨在提供一种聚乳酸树脂组合物，其中添加了适合加速聚乳酸树脂结晶的晶核剂。该聚乳酸树脂组合物包括聚乳酸树脂和式(I)的磷化合物的金属盐，其中R1和R2可以相同也可以不同，分别是氢原子、C1-10烷基或C2-10烷氧羰基；或者包括聚乳酸树脂和式(II)的磷化合物的金属盐，其中R3、R4、R5和R6可以相同也可以不同，分别是氢原子、C1-10烷基或C2-10烷氧羰基。该组合物具有优异的耐热性和成型加工性。
• CARBONIC ACID ESTER, PRODUCTION PROCESS THEREFOR, AND MAGNETIC RECORDING MEDIUM
  申请人：MORI Masahiko

  公开号：US20080020243A1

  公开（公告）日：2008-01-24

  A process for producing a carbonic acid ester is provided, the process comprising a step of synthesizing a saturated alkyl carbonic acid ester represented by Formula (1) so as to give the saturated alkyl carbonic acid ester represented by Formula (1) as a crude product and a step of subjecting the crude product to liquid-liquid extraction using a saturated hydrocarbon solvent and a solvent comprising an organic solvent that is not infinitely miscible with the saturated hydrocarbon solvent so as to give the saturated alkyl carbonic acid ester represented by Formula (1) as a purified product (in Formula (1), R 1 and R 2 independently denote a saturated hydrocarbon group provided that the sum of the number of carbons in R 1 and the number of carbons in R 2 is at least 12 but no greater than 50). There are also provided a carbonic acid ester produced by the production process, and a magnetic recording medium comprising a non-magnetic support and, above the non-magnetic support, a magnetic layer comprising a ferromagnetic powder dispersed in a binder, the magnetic layer comprising the carbonic acid ester and having on the surface a number of protrusions that satisfies Formula (2) 0.01≦H 15 /H 10 <0.20   (2) (H 10 denotes the number of protrusions per unit area on the surface of the magnetic layer that have a height of less than 10 nm (number/μm 2 ), and H 15 denotes the number of protrusions per unit area on the surface of the magnetic layer that have a height of 15 nm or greater (number/μm 2 )).

  提供了一种制备碳酸酯的工艺，该工艺包括合成由式（1）表示的饱和烷基碳酸酯的步骤，以便将由式（1）表示的饱和烷基碳酸酯作为粗产品，并使用饱和烃溶剂和不与饱和烃溶剂无限混溶的有机溶剂的溶剂进行液-液萃取的步骤，以便将由式（1）表示的饱和烷基碳酸酯作为纯化产品（在式（1）中，R1和R2独立表示饱和烃基，但R1中碳数和R2中碳数之和至少为12但不大于50）。还提供了通过生产工艺生产的碳酸酯，以及包括非磁性支撑和在非磁性支撑上的磁性层的磁记录介质，其中磁性层包括分散在粘合剂中的铁磁性粉末，磁性层包括碳酸酯，并在表面具有满足公式（2）的许多突起0.01≦H15/H10<0.20（2）（其中H10表示磁性层表面每单位面积具有高度小于10 nm的突起的数量（数量/μm2），而H15表示磁性层表面每单位面积具有高度为15 nm或更高的突起的数量（数量/μm2））。
• PROCESS FOR PRODUCTION OF INJECTION-MOLDED ARTICLE OF POLYLACTIC ACID RESIN
  申请人：Takenaka Akira

  公开号：US20100201037A1

  公开（公告）日：2010-08-12

  A method of manufacturing a polylactic acid resin injection molded article, having the step (1): a step of melt-kneading a polylactic acid resin composition containing a polylactic acid resin and a specified organic crystal nucleus agent, while contacting the composition with a supercritical fluid; and step (2): a step of filling the melted product obtained in step (1) in a die to mold with injection-molding. The manufacturing method of the present invention is used as an advantageous technique as compared with the technique of achieving satisfactory moldability by the addition of plasticizer in the field, for example, which requires a polylactic acid resin molded article having high rigidity.

  一种制造聚乳酸树脂注塑制品的方法，包括步骤（1）：将含有聚乳酸树脂和指定有机晶核剂的聚乳酸树脂组合物与超临界流体接触时熔融混合；步骤（2）：将步骤（1）中获得的熔融产物填充到模具中进行注塑成型。与添加塑化剂以实现满意的成型性的技术相比，本发明的制造方法可用作一种有利的技术，例如需要具有高刚度的聚乳酸树脂注塑制品的领域。

表征谱图