dihydrogen phosphite

• 分子结构分类: 无机化合物 - 均质非金属化合物 - 非金属氧阴离子化合物
• 英文名称: dihydrogen phosphite
• 化学式: H₂O₃P
• 分子量: 80.9878
• InChiKey: BCIVNNPAGCBIJQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.5
• 重原子数：
  4
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  41.5
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  aquopentamminechromium(III) perchlorate 、 dihydrogen phosphite 、 亚磷酸 在 lithium perchlorate 作用下， 生成 (chromium(III) penta-ammine(H2PO3))(2+)
  参考文献：
  名称：

  [M（NH 3）5（H 2 O）] 3+与H 3 PO n / H 2 PO n发生阳离子反应的动力学和机理–体系（M = Cr III，n = 3； M = Co III，n = 2）

  摘要：

  的anation的动力学[CR（NH 3）5（H 2 O）] 3+用H 3 PO 3 / H 2 PO 3 -和[CO（NH 3）5（H 2 O）] 3+用H 3 PO 2 / H 2 PO 2 –在不同温度和I = 1.0 mol dm –3（LiClO 4）的条件下进行了研究。结果以I a解释（在I a /附近我Ð境）的铬络合物和anation机制我d一个钴复杂。将阳极化速率常数与其他阳极化系统和相同的过渡金属配合物进行比较可以确认这一分配。比较所有的阴离子化反应[M（NH 3）5（H 2 O）] 3+ + H 3 PO n / H 2 PO n –（M = Co III或Cr III；n = 2-4）。 ，并检查了两个意外的事实：（a）对于M = Cr III，系列H 3 PO n / H 2 PO n –（n = 2-4）的中性（k 1）和阴离子（k 2）种类的一阶速率常数相同（k

  DOI：

  10.1039/dt9900002597
• 作为产物：
  描述：

  毒死蜱 在 sodium hydroxide 作用下， 生成 3,5,6-三氯吡啶-2-醇 、 氯吡硫磷一氧 、 O,O-dihydrogen phosphorothioite 、 dihydrogen phosphite 、 O-ethyl O-(3,5,6-trichloropyridin-2-yl)-O-hydrogenphosphorothioate 、 ethyl 3,5,6-trichloropyridin-2-yl hydrogen phosphate 、 3,5,6-trichloropyridin-2-yl dihydrogen phosphate 、 O-(3,5,6-trichloropyridin-2-yl) O,O-dihydrogenphosphorothioate
  参考文献：
  名称：

  CoFe2O4@TiO2 decorated reduced graphene oxide nanocomposite for photocatalytic degradation of chlorpyrifos

  摘要：

  Chlorpyrifos is widely used to control pest insects in residential, agricultural, and commercial applications. Its common use has led to the release of chlorpyrifos into sediments, wastewater and water sources. The presence of chlorpyrifos in wastewaters and water sources may affect ecosystem and human health due to its chronicle toxicity to aquatic organisms. In this study, magnetic recoverable CoFe2O4@TiO2 decorated reduced graphene oxide nanocomposite was prepared and used for investigating the photodegradation of chlorpyrifos. The nanocomposite was characterized by using transmission electron microscopy, X-ray photoelectron spectroscopy, X-ray diffraction and scanning electron microscopy. In photocatalytic degradation of chlorpyrifos experiments, the effect of operating variables such as initial chlorpyrifos concentration, catalyst dosage and contact time was also investigated. The photocatalytic degradation of chlorpyrifos followed the pseudo-first-order kinetic model. The results indicated that the nanocomposite exhibited a high efficient photocatalytic activity on the photodegradation of chlorpyrifos. The nanocomposite was separated from the solution by a magnet and reused after the photodegradation of chlorpyrifos. The recyclable of the nanocomposite is economically significant in the industry. (C) 2015 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.molliq.2015.04.032
• 作为试剂：
  描述：

  2,6-二氨基蒽醌 在 亚硝酸特丁酯 、 氢碘酸 、 溶剂黄146 、 dihydrogen phosphite 、 copper(ll) bromide 作用下， 以 乙腈 为溶剂， 生成 2,6-二溴蒽
  参考文献：
  名称：

  基于三蝶烯的手性有机硼烷的合成、表征和光物理性质

  摘要：

  通过经典的 Buchwald 偶联和 Suzuki 偶联反应合成了用给电子咔唑和受电子三芳基硼烷功能化的手性发光三蝶烯（HC-BN和HC-BB ）。由于分子内电荷转移 (ICT) 特性，同时含有咔唑和三芳基硼烷的化合物HC-BN表现出显着的发射热变色位移。由于三蝶烯衍生物的固有手性，进一步研究了它们的手性光学性质，包括圆二色性 (CD) 和圆偏振发光 (CPL)。这项工作可能有助于开发基于刚性、同质共轭和结构不寻常的三维三蝶烯支架的新型手性发光材料。

  DOI：

  10.1021/acs.organomet.1c00447

文献信息

• CoFe2O4@TiO2 decorated reduced graphene oxide nanocomposite for photocatalytic degradation of chlorpyrifos
  作者：Vinod Kumar Gupta、Tanju Eren、Necip Atar、Mehmet Lütfi Yola、Cemal Parlak、Hassan Karimi-Maleh

  DOI：10.1016/j.molliq.2015.04.032

  日期：2015.8

  Chlorpyrifos is widely used to control pest insects in residential, agricultural, and commercial applications. Its common use has led to the release of chlorpyrifos into sediments, wastewater and water sources. The presence of chlorpyrifos in wastewaters and water sources may affect ecosystem and human health due to its chronicle toxicity to aquatic organisms. In this study, magnetic recoverable CoFe2O4@TiO2 decorated reduced graphene oxide nanocomposite was prepared and used for investigating the photodegradation of chlorpyrifos. The nanocomposite was characterized by using transmission electron microscopy, X-ray photoelectron spectroscopy, X-ray diffraction and scanning electron microscopy. In photocatalytic degradation of chlorpyrifos experiments, the effect of operating variables such as initial chlorpyrifos concentration, catalyst dosage and contact time was also investigated. The photocatalytic degradation of chlorpyrifos followed the pseudo-first-order kinetic model. The results indicated that the nanocomposite exhibited a high efficient photocatalytic activity on the photodegradation of chlorpyrifos. The nanocomposite was separated from the solution by a magnet and reused after the photodegradation of chlorpyrifos. The recyclable of the nanocomposite is economically significant in the industry. (C) 2015 Elsevier B.V. All rights reserved.
• Kinetics and mechanism of anation reactions of [M(NH3)5(H2O)]3+ by H3PO n /H2PO n ? Systems (M = Cr III , n= 3; M = Co III , n= 2)
  作者：Miguel Ferrer、Gabriel Gonzalez、Manuel Martinez

  DOI：10.1039/dt9900002597

  日期：——

  The kinetics of anation of [Cr(NH3)5(H2O)]3+ with H3PO3/H2PO3– and of [Co(NH3)5(H2O)]3+ with H3PO2/H2PO2– has been studied at different temperatures and at I= 1.0 mol dm–3(LiClO4). The results are interpreted in terms of an Ia(near the Ia/Id border) anation mechanism for the chromium complex and an Id one for the cobalt complex. Comparison of the anation rate constants with those of other anating systems

  的anation的动力学[CR（NH 3）5（H 2 O）] 3+用H 3 PO 3 / H 2 PO 3 -和[CO（NH 3）5（H 2 O）] 3+用H 3 PO 2 / H 2 PO 2 –在不同温度和I = 1.0 mol dm –3（LiClO 4）的条件下进行了研究。结果以I a解释（在I a /附近我Ð境）的铬络合物和anation机制我d一个钴复杂。将阳极化速率常数与其他阳极化系统和相同的过渡金属配合物进行比较可以确认这一分配。比较所有的阴离子化反应[M（NH 3）5（H 2 O）] 3+ + H 3 PO n / H 2 PO n –（M = Co III或Cr III；n = 2-4）。 ，并检查了两个意外的事实：（a）对于M = Cr III，系列H 3 PO n / H 2 PO n –（n = 2-4）的中性（k 1）和阴离子（k 2）种类的一阶速率常数相同（k