(R)-diethyl (4-bromophenyl)(hydroxy)methylphosphonate | 203637-05-2

• 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: (R)-diethyl (4-bromophenyl)(hydroxy)methylphosphonate
• 英文别名: diethyl (4-bromophenyl)(hydroxy)methylphosphonate；(R)-(4-bromophenyl)-diethoxyphosphorylmethanol
• CAS: 203637-05-2
• 化学式: C₁₁H₁₆BrO₄P
• 分子量: 323.123
• InChiKey: OFZFDAPSYVGZIG-LLVKDONJSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  17
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.45
• 拓扑面积：
  55.8
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  对溴苯甲醛 、 亚磷酸二乙酯 在 iron(III) chloride 、 sodium carbonate 、 2,4-bis(1,1-dimethylethyl)-6-({[(1S)-1-hydroxymethyl-2-methylpropyl]imino}methyl)phenol 作用下， 以 四氢呋喃 为溶剂， 反应 21.0h， 生成 (S)-diethyl (4-bromophenyl)(hydroxy)methylphosphonate 、 (R)-diethyl (4-bromophenyl)(hydroxy)methylphosphonate
  参考文献：
  名称：

  Synthesis of an unusual dinuclear chiral iron complex and its application in asymmetric hydrophosphorylation of aldehydes

  摘要：

  合成了一种不寻常的双核手性铁复合物，并有效地用于醛的非对称氢磷酸化反应，合成了光学活性的α-羟基磷酸酯，产率优秀且对映选择性良好。

  DOI：

  10.1039/c2ob25810b

文献信息

• Fe(III) catalyzed enantioselective hydrophosphonylation of aldehydes promoted by chiral camphor Schiff bases
  作者：Feng Xu、Yanpeng Liu、Jingxuan Tu、Chao Lei、Gaoqiang Li

  DOI：10.1016/j.tetasy.2015.07.004

  日期：2015.9

  Five novel chiral camphor Schiff bases were designed. Schiff base L3 showed high efficiency in Fe(III)-catalyzed asymmetric hydrophosphonylations of aldehydes, giving the corresponding products in high yields (up to 91%) along with moderate to good enantioselectivities (up to 82%).

  设计了五个新颖的手性樟脑席夫碱。Schiff碱L 3在Fe（III）催化的醛的不对称氢膦酰化反应中显示出很高的效率，从而以高收率（高达91％）提供了相应的产物，同时具有中等至良好的对映选择性（高达82％）。
• Synthesis of aryl group-modified DIOP dioxides (Ar-DIOPOs) and their application as modular Lewis base catalysts
  作者：Yusuke Ohmaru、Norimasa Sato、Makoto Mizutani、Shunsuke Kotani、Masaharu Sugiura、Makoto Nakajima

  DOI：10.1039/c2ob25338k

  日期：——

  transformations using chlorosilane reagents. The p-tolyl-substituted DIOPO (p-tolyl-DIOPO) was most effective for the reductive aldol reaction of chalcone and aldehydes with trichlorosilane, whereas the 2,8-dimethylphenoxaphosphine-derived DIOPO (DMPP-DIOPO) afforded the best enantioselectivity for the phosphonylation of conjugated aldehydes and the chlorinative aldol reaction of an ynone and benzaldehyde.

  用LHMDS处理光学纯的酒石酸衍生的二碘化物和各种仲氧化膦，可提供相应的经芳基改性的DIOP二氧化物（Ar-DIOPO）。使用氯硅烷试剂研究了Ar-DIOPO作为Lewis碱催化剂的活性，进行了几次不对称转化。的p -甲苯基-取代的DIOPO（p甲苯基- DIOPO）是最有效的还原醛醇缩合反应查尔酮 和醛与 三氯硅烷，而2,8-二甲基苯氧杂膦衍生的DIOPO（DMPP-DIOPO）提供了最佳的对映体选择性，使共轭醛的膦酰化反应和炔酮和乙炔的氯代醛醇缩合反应。 苯甲醛。
• Chiral N,N′-dioxide-Yb(III) complexes catalyzed enantioselective hydrophosphonylation of aldehydes
  作者：Weiliang Chen、Yonghai Hui、Xin Zhou、Jun Jiang、Yunfei Cai、Xiaohua Liu、Lili Lin、Xiaoming Feng

  DOI：10.1016/j.tetlet.2010.05.137

  日期：2010.8

  Chiral N,N'-dioxide-Ytterbium(III) complexes promoted the asymmetric addition of diethyl phosphate to aldehydes, giving the corresponding products with good yields and enantioselectivities. The addition of pyridine favored both reactivity and enantioselectivity. A possible catalytic cycle was proposed to explain the mechanism of the asymmetric hydrophosphonylation of aldehydes. (C) 2010 Elsevier Ltd. All rights reserved.