diethyl hydroxy(p-tolyl)methylphosphonate | 79158-40-0

• 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: diethyl hydroxy(p-tolyl)methylphosphonate
• 英文别名: diethyl hydroxy(4-methylphenyl)methylphosphonate；Diethoxyphosphoryl-(4-methylphenyl)methanol
• CAS: 79158-40-0
• 化学式: C₁₂H₁₉O₄P
• 分子量: 258.254
• InChiKey: LVSUDBVMQHGXBF-UHFFFAOYSA-N

物化性质

• 熔点：
  94-95 °C
• 沸点：
  379.6±37.0 °C(Predicted)
• 密度：
  1.157±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.5
• 重原子数：
  17
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  55.8
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  diethyl hydroxy(p-tolyl)methylphosphonate 在 potassium permanganate 作用下， 以 苯 为溶剂， 反应 3.25h， 以97%的产率得到diethyl (4-methylbenzoyl)phosphonate
  参考文献：
  名称：

  通过在无溶剂条件下用中性氧化铝负载的高锰酸钾（NASPP）和高锰酸钾在无水苯中氧化α-羟基膦酸酯来制备α-酮膦酸酯

  摘要：

  在无溶剂条件下，通过在干苯中的高锰酸钾或中性氧化铝负载的高锰酸钾（NASPP），可以将各种类型的α-羟基膦酸酯高产率地转化为α-酮膦酸酯。

  DOI：

  10.1016/s0040-4039(01)02146-3
• 作为产物：
  描述：

  diethyl (4-methylbenzoyl)phosphonate 在 palladium on activated charcoal 氢气 作用下， 以 甲醇 为溶剂， 反应 1.0h， 以99%的产率得到diethyl hydroxy(p-tolyl)methylphosphonate
  参考文献：
  名称：

  Hydrogenation of α-oxophosphonates with molecular hydrogen catalyzed by palladium on carbon carrier as synthesis procedure for α-hydroxyphosphonates

  摘要：

  Hydrogenation with molecular hydrogen of substituted benzoylphosphonic acids ethyl esters provides a convenient preparation method for diethyl [hydroxy(aryl)methyl]phosphonates. Both the palladium on activated carbon and the palladium immobilized in a chitosan matrix applied on a carbon carrier sibunit can be employed as catalysts.

  DOI：

  10.1134/s1070428007080167

文献信息

• Iron-Doped Single-Walled Carbon Nanotubes as New Heterogeneous and Highly Efficient Catalyst for Acylation of Alcohols, Phenols, Carboxylic Acids and Amines under Solvent-Free Conditions
  作者：Hashem Sharghi、Mahboubeh Jokar、Mohammad Mahdi Doroodmand

  DOI：10.1002/adsc.201000365

  日期：2011.2.11

  single-walled carbon nanotubes (Fe/SWCNTs) represent an efficient and new heterogeneous reusable catalyst for the acylation of a variety of alcohols, phenols, carboxylic acids and amines with acid chlorides or acid anhydrides under solvent-free conditions. The reactions of various primary, secondary, tertiary, and benzylic alcohols, diols, phenols, as well as aromatic and aliphatic amines give acylated

  掺杂铁的单壁碳纳米管（Fe / SWCNT）代表了一种高效且新型的多相可重复使用的催化剂，用于在无溶剂条件下将各种醇，酚，羧酸和胺与酰氯或酸酐酰化。各种伯，仲，叔和苯甲醇，二醇，苯酚以及芳族和脂族胺的反应均以极好的收率得到了酰化的加合物。
• Magnesium triflate [Mg(OTf)2] a highly stable, non-hygroscopic and a recyclable catalyst for the high yielding preparation of diethyl α-trimethylsilyloxyphosphonates from diethyl α-hydroxyphosphonates by HMDS under solventless conditions
  作者：Habib Firouzabadi、Nasser Iranpoor、Sara Sobhani、Soheila Ghassamipour

  DOI：10.1016/j.jorganchem.2004.07.009

  日期：2004.9

  and convenient procedure for the easy conversion of various α-hydroxyphosphonates to α-trimethylsilyloxyphosphonates under mild conditions with HMDS in the presence of a catalytic amount of magnesium triflate as a highly stable and a non-hygroscopic recyclable catalyst in neat conditions is described. In order to show the general applicability of this method, we have also applied this procedure successfully

  在催化量的三氟甲磺酸镁作为高稳定性和非吸湿性可回收催化剂的条件下，使用HMDS在温和条件下将各种α-羟基膦酸酯轻松转化为α-三甲基甲硅烷氧基膦酸酯的广泛，适用性强，高产率且方便的方法。描述了整洁的条件。为了表明该方法的一般适用性，我们还成功地将该方法用于普通醇和酚的甲硅烷基化。
• Aluminium Triflate [Al(OTf)₃] as a Recyclable Catalyst for the Conversion of α-Hydroxyphosphonates, Alcohols and Phenols to Their Corresponding O-Silylated Products with Hexamethyldisilazane (HMDS)
  作者：Habib Firouzabadi、Nasser Iranpoor、Sara Sobhani、Soheila Ghassamipour

  DOI：10.1055/s-2005-861789

  日期：——

  Al(OTf)3 as a recyclable catalyst conducts the efficient conversion of various types of α-hydroxyphosphonates to their corresponding α-trimethysilyloxyphosphonates with HMDS in the absence of solvent at room temperature. The general applicability of the catalyst under solvent-free conditions is demonstrated by applying it for the successful silylation of alcohols and phenols with HMDS in high yields.

  三氟甲磺酸铝（Al(OTf)3）作为一种可回收催化剂，在室温下无溶剂存在的条件下，能高效地将各种类型的α-羟基膦酸酯转化为相应的α-三甲基硅氧基膦酸酯，使用的是六甲基二硅胺烷（HMDS）。该催化剂在无溶剂条件下的广泛适用性通过其在高产率下成功实现醇和酚与HMDS的硅烷化反应而得到证明。
• Iron(III) trifluoroacetate [Fe(F3CCO2)3] as an easily available, non-hygroscopic, non-corrosive, highly stable and a reusable Lewis Acid catalyst: Efficient O-silylation of α-hydroxyphosphonates, alcohols and phenols by hexamethyldisilazane (HMDS) under solvent-free conditions
  作者：Habib Firouzabadi、Nasser Iranpoor、Abbas Ali Jafari、Mohammad Reza Jafari

  DOI：10.1016/j.jorganchem.2008.05.018

  日期：2008.8

  O-Silylation of hydroxyl groups of α-hydroxyphosphonates, primary, secondary tertiary-alcohols and phenols with HMDS was achieved in high to excellent yields using iron(III) trifluoroacetate [Fe(F3CCO2)3] as an easily available and a cost effective, non-hygroscopic, non-corrosive, highly stable and an efficient catalyst under solvent-free conditions. As a typical reaction, we have scaled up silylation of diphenyl

  ø α-hydroxyphosphonates，伯，仲叔醇和酚与HMDS的羟基-Silylation在实现高使用铁（III）三氟乙酸盐的[Fe（F优异的产率3 CCO 2）3 ]作为容易获得和在无溶剂条件下具有成本效益，不吸湿，不腐蚀，高度稳定和高效的催化剂。作为典型的反应，我们已将二苯甲醇的甲硅烷基化规模扩大到20 mmol的底物，以证明该催化剂对于规模化生产非常有效。通过简单的过滤就可以容易地分离出催化剂，并且可以循环使用该催化剂进行二苯甲硅烷基化反应，而不会失去其催化活性。
• Highly Efficient Hydrophosphonylation of Aldehydes and Unactivated Ketones Catalyzed by Methylene-Linked Pyrrolyl Rare Earth Metal Amido Complexes
  作者：Shuangliu Zhou、Zhangshuan Wu、Jiewei Rong、Shaowu Wang、Gaosheng Yang、Xiancui Zhu、Lijun Zhang

  DOI：10.1002/chem.201102207

  日期：2012.2.27

  characterized by 1H NMR spectroscopic analyses. The structures of complexes 2, 3, 4, and 6 were determined by single‐crystal X‐ray analyses. Study of the catalytic activities of the complexes showed that these rare earth metal amido complexes were excellent catalysts for hydrophosphonylations of aldehydes and unactivated ketones. The catalyzed reactions between diethyl phosphite and aldehydes in the presence

  通过甲硅烷基胺消除反应制备了一系列带有亚甲基连接的吡咯基-酰胺基配体的稀土金属酰胺配合物，在无溶剂条件下，液态底物在醛和未活化酮的氢膦酰化反应中显示出很高的催化活性。的治疗[（ME 3 Si）的2 N] 3 LN（μ-Cl）的锂（THF）3与2-（2,6--ME 2 ç 6 ħ 3 NHCH 2）C 4 H ^ 3 NH（1，1个当量）在甲苯，得到相应的式三价稀土金属酰胺（μ-η 5：η 1）：η 1-2-[（2,6-Me 2 C 6 H 3）NCH 2 ]（C 4 H 3 N）LnN（SiMe 3）2 } 2 [Ln = Y（2），Nd（3），Sm（4），Dy（5），Yb（6）]，产量适中。所有化合物均通过光谱法和元素分析充分表征。钇配合物的特征还在于1 H NMR光谱分析。复合物的结构 2，3，4，和6由单晶X射线分析确定。配合物催化活性的研究表明，这些稀土金属酰胺配合物是醛和未活化