单-(2-乙基己基)-磷酸 | 14660-16-3

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 有机膦酸及其衍生物
• 中文名称: 单-(2-乙基己基)-磷酸
• 英文名称: (2-ethylhexyl)phosphonic acid
• 英文别名: 2-Ethyl-hexyl-phosphonsaeure；2-Ethylhexyl phosphonic acid；2-ethylhexylphosphonic acid
• CAS: 14660-16-3
• 化学式: C₈H₁₉O₃P
• 分子量: 194.211
• InChiKey: JJJOZVFVARQUJV-UHFFFAOYSA-N

物化性质

• 沸点：
  320.6±25.0 °C(Predicted)
• 密度：
  1.078±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  12
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  57.5
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2-乙基己醇 在 三甲基溴硅烷 、 四溴化碳 、 sodium hydride 、 三苯基膦 作用下， 以 二氯甲烷 、 N,N-二甲基甲酰胺 为溶剂， 生成 单-(2-乙基己基)-磷酸
  参考文献：
  名称：

  用于纳米晶体表面功能化和溶液处理忆阻器的膦酸配体的合成

  摘要：

  在这里，我们合成了2-乙基己基，2-己基癸基，2- [2-（2-甲氧基乙氧基）乙氧基]乙基，油基和正十八烷基膦酸，并用它们来官能化CdSe和HfO 2纳米晶体。与支链羧酸相反，使用支链膦酸很容易实现CdSe和HfO 2纳米晶体的合成后表面功能化。随后使用导电原子力显微镜将膦酸封端的HfO 2纳米晶体评估为忆阻器。我们发现2-乙基己基膦酸是一种优异的配体，结合了高的胶体稳定性和紧凑的配体壳，可产生创纪录的低工作电压，有望应用于柔性电子产品。

  DOI：

  10.1021/acs.chemmater.8b03768

文献信息

• [EN] HERBICIDAL PROPYNYL-PHENYL COMPOUNDS<br/>[FR] COMPOSÉS PROPYNYLE-PHÉNYLE HERBICIDES
  申请人：SYNGENTA PARTICIPATIONS AG

  公开号：WO2015197468A1

  公开（公告）日：2015-12-30

  The present invention relates to a compound of formula (I) wherein: R1 is C1-C3alkoxy, C1-C2alkoxy-C1-C3alkoxy, C1-C2fluoroalkoxy, ethyl, n-propyl, n-butyl, cyclopropyl or ethynyl; R2 is hydrogen, ethyl, n-propyl, cyclopropyl, vinyl, ethynyl, C1-C3alkoxy, C1-C3fluoroalkyl, C1-C2fluoroalkoxy, C1-C2alkoxy-C1-C3alkoxy-, or C1fluoroalkoxy-C1-C3alkoxy-; provided that when R1 is ethyl, n-propyl, n-butyl, cyclopropyl or ethynyl, then R2 is hydrogen, ethyl, n-propyl, cyclopropyl, vinyl or ethynyl; and Y is O, S, S(O), S(O)2, N(C1-C2alkyl), N(C1-C2alkoxy), C(O), CR8R9 or -CR10R11CR12R13-; and and G, R3, R4, R5 and R6 are as defined herein; wherein the compound of formula (I) is optionally present as an agrochemically acceptable salt thereof. These compounds are suitable for use as herbicides. The invention therefore also relates to a method of controlling weeds, especially grassy monocotyledonous weeds, in crops of useful plants, comprising applying a compound of formula (I), or a herbicidal composition comprising such a compound, to the plants or to the locus thereof.

  本发明涉及一种具有以下结构的化合物（I）：其中：R1为C1-C3烷氧基，C1-C2烷氧基-C1-C3烷氧基，C1-C2氟烷氧基，乙基，正丙基，正丁基，环丙基或乙炔基；R2为氢，乙基，正丙基，环丙基，乙烯基，乙炔基，C1-C3烷氧基，C1-C3氟烷基，C1-C2氟烷氧基，C1-C2烷氧基-C1-C3烷氧基，或C1氟烷氧基-C1-C3烷氧基-；但是当R1为乙基，正丙基，正丁基，环丙基或乙炔基时，R2为氢，乙基，正丙基，环丙基，乙烯基或乙炔基；Y为O，S，S(O)，S(O)2，N(C1-C2烷基)，N(C1-C2烷氧基)，C(O)，CR8R9或-CR10R11CR12R13-；以及G，R3，R4，R5和R6如本文所定义；其中化合物（I）可作为农药中可接受的盐存在。这些化合物适用于用作除草剂。因此，本发明还涉及一种控制杂草，特别是草本单子叶杂草，在有用植物作物中的方法，包括将化合物（I）或含有这种化合物的除草剂组合物施用于植物或其生长地点。
• 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。
• Synthesis of Long‐Chain <i>n</i> ‐Alkylphosphonic Acids by Phosphonylation of Alkyl Bromides with Red Phosphorus and Superbase under Micellar/Phase Transfer Catalysis
  作者：Vladimir A. Kuimov、Svetlana F. Malysheva、Natalia A. Belogorlova、Alexander I. Albanov、Nina K. Gusarova、Boris A. Trofimov

  DOI：10.1002/ejoc.202100067

  日期：2021.3.12

  the direct phosphonylation of alkyl bromides with red phosphorus in the superbase system KOH/H2O/toluene/phase transfer catalyst, a one‐pot method for the synthesis of alkylphosphonic acids has been developed. Cetyltrimethylammonium bromide has been successfully used as a micellar phase transfer catalyst, a carrier of superbasic hydroxide anions.

  基于超碱体系KOH / H 2 O /甲苯/相转移催化剂中烷基溴与红磷的直接膦酰化作用，开发了一种单锅法合成烷基膦酸的方法。十六烷基三甲基溴化铵已成功用作胶束相转移催化剂，超碱性氢氧根阴离子的载体。
• Bis(2-acenyl)acetylene semiconductors
  申请人：Gerlach P. Christopher

  公开号：US20050012090A1

  公开（公告）日：2005-01-20

  Bis(2-acenyl)acetylene compounds that are useful as organic semiconductors are disclosed. The compounds, when used as the active layer in OTFTs exhibit device characteristics, like charge-carrier mobilities and current on/off ratios, that are comparable to those of pentacene. Also described are semiconductor devices comprising at least one compound of the invention; and articles comprising the semiconductor devices such as thin film transistors or transistor arrays, and electroluminescent lamps.

  本发明揭示了作为有机半导体有用的双(2-芴基)乙炔化合物。当这些化合物作为OTFTs中的活性层时，表现出与五环芴相当的器件特性，如载流子迁移率和开关比。还描述了包括本发明至少一种化合物的半导体器件；以及包括半导体器件的物品，如薄膜晶体管或晶体管阵列，以及电致发光灯。
• [EN] HERBICIDALLY ACTIVE (ALKYNYL-PHENYL)-SUBSTITUTED CYCLIC DIONE COMPOUNDS AND DERIVATIVES THEREOF<br/>[FR] COMPOSÉS DIONE CYCLIQUES (ALKYNYL-PHÉNYLE)-SUBSTITUÉS À ACTIVITÉ HERBICIDE ET LEURS DÉRIVÉS
  申请人：SYNGENTA LTD

  公开号：WO2014191534A1

  公开（公告）日：2014-12-04

  The present invention relates to a compound of formula (I): wherein: X is methyl or chlorine; R1 is fluorine or bromine; R2 is ethynyl, C1-C3alkoxy, C1-C3haloalkoxy, or C1-C3alkoxy-C1-C3alkoxy-; and Q is a pyran-3,5-dione-4-yl, a thiopyran-3,5-dione-4-yl, a piperidine-3,5-dione-4-yl, a cyclopentane-1,3-dione-2-yl, a cyclohexane-1,3, 5-trione-2-yl, a cyclohexane-1,3-dione-2-yl, or a cycloheptane-1,3-dione-2-yl, or a derivative thereof (e.g. a fused such as fused bicyclic derivative, and/or a spirocyclic derivative), or an enol ketone tautomer derivative thereof, wherein Q is further defined herein; and wherein the compound of formula (I) is optionally present as an agrochemically acceptable salt thereof. Preferably, X is methyl; and/or R1 is fluorine; and/or R2 is -O-R2A, wherein R2A is methyl, ethyl, trifluoromethyl, difluoromethyl, trifluoroethyl, or -CH2CH2OCH3. These compounds are suitable for use as herbicides. The invention therefore also relates to a method of controlling weeds, especially grassy monocotyledonous weeds, in crops of useful plants, comprising applying a compound of formula (I), or a herbicidal composition comprising such a compound, to the weeds and/or to the plants and/or to the locus thereof.

  本发明涉及一种具有以下结构的化合物（I）：其中：X是甲基或氯；R1是氟或溴；R2是乙炔基，C1-C3烷氧基，C1-C3卤代烷氧基，或C1-C3烷氧基-C1-C3烷氧基；Q是吡喃-3,5-二酮-4-基，硫代吡喃-3,5-二酮-4-基，哌啶-3,5-二酮-4-基，环戊二酮-2-基，环己三酮-2-基，环己二酮-2-基，或环庚二酮-2-基，或其衍生物（例如，融合的如融合的双环衍生物和/或螺环衍生物），或其烯醇酮互变异构体衍生物，其中Q在此进一步定义；化合物（I）可作为农药接受的盐存在。优选，X是甲基；和/或R1是氟；和/或R2是-O-R2A，其中R2A是甲基，乙基，三氟甲基，二氟甲基，三氟乙基，或-CH2CH2OCH3。这些化合物适用于作为除草剂使用。因此，本发明还涉及一种控制杂草，特别是草本单子叶杂草，在有用植物作物中的方法，包括将化合物（I）或含有该化合物的除草剂组合物施用于杂草和/或植物和/或其生长环境。