1,6-dihydro-1-methylphosphorin 1-oxide | 113403-83-1

• 分子结构分类: 有机化合物 - 有机磷化合物 - 有机膦及其衍生物
• 英文名称: 1,6-dihydro-1-methylphosphorin 1-oxide
• 英文别名: 1-methyl-2H-1lambda5-phosphinine 1-oxide；1-methyl-2H-1λ5-phosphinine 1-oxide
• CAS: 113403-83-1
• 化学式: C₆H₉OP
• 分子量: 128.111
• InChiKey: WSQLFCSXOFTGPG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.2
• 重原子数：
  8
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  1,6-dihydro-1-methylphosphorin 1-oxide 在 三氯化铝 、 三氯硅烷 作用下， 以 二氯甲烷 、 甲苯 、 苯 为溶剂， 反应 7.0h， 生成 dimethyl 2-methyl-2-phosphabicyclo<2.2.2>octa-5,7-diene-5,6-dicarboxylate
  参考文献：
  名称：

  Synthesis and NMR spectral properties of phosphines in the 2-phosphabicyclo[2.2.2]oct-5-ene and 2-phosphabicyclo[2.2.2]octa-5,7-diene systems

  摘要：

  DOI：

  10.1021/jo00243a023
• 作为产物：
  描述：

  1-Methyl-1-oxo-1,2,3,6-tetrahydro-1λ⁵-phosphinin-3-ol 在 potassium hydrogensulfate 作用下， 以 氯苯 为溶剂， 反应 0.42h， 以86%的产率得到1,6-dihydro-1-methylphosphorin 1-oxide
  参考文献：
  名称：

  Synthesis and NMR spectral properties of phosphines in the 2-phosphabicyclo[2.2.2]oct-5-ene and 2-phosphabicyclo[2.2.2]octa-5,7-diene systems

  摘要：

  DOI：

  10.1021/jo00243a023

文献信息

• Process for preparing liquid diphenylmethane diisocyanate
  申请人：SUMITOMO BAYER URETHANE CO., LTD.

  公开号：EP0699658A1

  公开（公告）日：1996-03-06

  A process for preparing a liquid MDI, which comprises adding, to MDI, a phosphorin catalyst and a phosphorous acid ester of the formula (I): or the formula (II): wherein R¹, R², R³, R⁴, R⁵, R⁶ and R⁷ each is, same or different, and C₄-C₂₀ alkyl group, and conducting a reaction. EFFECT: The process according to the present invention can produce liquid MDI having stable properties. This liquid MDI has almost no discoloring, even if it is stored for a long time. The present process can commercially provide a polyurethane raw material having an easy handling.

  一种制备液体 MDI 的工艺，包括向 MDI 中加入磷素催化剂和式 (I) 的磷酸酯： 或式（II）的磷酸酯： 其中 R¹、R²、R³、R⁴、R⁵、R⁶ 和 R⁷ 各为相同或不同的 C₄-C₂₀ 烷基、 并进行反应。 效果：根据本发明的工艺可以生产出性能稳定的液态 MDI。这种液态 MDI 即使长期储存也几乎不会变色。本工艺可在商业上提供易于处理的聚氨酯原料。
• APPARATUS FOR SEPARATION AND PURIFICATION OF SATURATED HYDROCARBON AND METHOD FOR SEPARATION AND PURIFICATION
  申请人：NIPPON ZEON CO., LTD.

  公开号：EP1083160A1

  公开（公告）日：2001-03-14

  An apparatus for separating and purifying saturated hydrocarbon comprises an extractive distillation column to which a material containing an unsaturated hydrocarbon and a solvent are fed and in which the unsaturated hydrocarbon is separated and distilled, a sensor for measuring the concentration of an impurity in the extractive distillation column, a sensor for measuring the concentration of the unsaturated hydrocarbon, a sensor for measuring the pressure difference between the top and bottom of the distillation column, a control valve for controlling the amount of unsaturated hydrocarbon taken out from the bottom of the column and to be returned to the column, a control valve for controlling the amount of solvent, a control valve for controlling the amount of reflux, a heater for controlling the temperature at the bottom of the column, prediction control means for calculating prediction values of the concentration of the impurity, the concentration of the object, and the pressure difference based on the outputs of the sensors, and for performing control according to the prediction values. A method for separation and purification using the apparatus is also disclosed. By adopting the apparatus and method, the objective unsaturated hydrocarbon is stably taken out at a predetermined concentration irrespective of the variation of material component.

  一种分离和提纯饱和碳氢化合物的装置，包括一个萃取蒸馏塔，向该塔输入含有不饱和碳氢化合物和溶剂的材料，并在该塔中分离和蒸馏不饱和碳氢化合物；一个传感器，用于测量萃取蒸馏塔中杂质的浓度；一个传感器，用于测量不饱和碳氢化合物的浓度；一个传感器，用于测量蒸馏塔顶部和底部之间的压力差、用于控制从蒸馏塔底部取出并返回蒸馏塔的不饱和碳氢化合物量的控制阀，用于控制溶剂量的控制阀，用于控制回流量的控制阀，用于控制蒸馏塔底部温度的加热器，用于根据传感器的输出计算杂质浓度、物体浓度和压差的预测值并根据预测值进行控制的预测控制装置。此外，还公开了一种使用该设备进行分离和提纯的方法。通过采用该装置和方法，无论材料成分如何变化，都能以预定浓度稳定地取出目标不饱和碳氢化合物。
• METHOD OF SEPARATING/PURIFYING CONJUGATED DIENE AND SEPARATION/PURIFICATION APPARATUS
  申请人：NIPPON ZEON CO., LTD.

  公开号：EP1437336A1

  公开（公告）日：2004-07-14

  A method of separating and purifying conjugated dienes includes a step of obtaining a first bottom product by taking out a hydrocarbon mixture including conjugated diene under an environment in the presence of a polymerization inhibitor including at least one of nitrite and di-lower aklylhydroxylamine in a first extractive distillation column; a step of obtaining a second bottom product and a distillation portion by distilling the first bottom product in a first diffusion column; a step of obtaining a third bottom product by taking out the distillation portion under an environment in the presence of the polymerization inhibitor in a second extractive distillation column; a step of obtaining a fourth bottom product by distilling the third bottom product in a second diffusion column; a step of recovering the second bottom product and fourth bottom product and supplying to the first extractive distillation column and/or second extractive distillation column; a step of measuring concentration of a polymerization inhibitor included in the second bottom product and/or fourth bottom product; and a control step of controlling the concentration of the polymerization inhibitor included in the second bottom product and/or fourth bottom product by changing a supply amount of the polymerization inhibitor to the first extractive distillation column and/or second extractive distillation column in accordance with the measured concentration of the polymerization inhibitor. According to the method, generation of rubbery substances in an apparatus can be efficiently and stably suppressed and an excessive polymerization inhibitor is not left in conjugated dienes.

  一种分离和纯化共轭二烯的方法包括以下步骤：在存在聚合抑制剂（包括亚硝酸盐和二-低烷基羟胺中的至少一种）的环境下，在第一萃取蒸馏塔中取出包括共轭二烯在内的烃混合物，从而获得第一底部产物；在第一扩散塔中蒸馏第一底部产物，从而获得第二底部产物和蒸馏部分；在存在聚合抑制剂（包括亚硝酸盐和二-低烷基羟胺中的至少一种）的环境下，在第一萃取蒸馏塔中取出第三底部产物；通过在第一扩散塔中蒸馏第一底部产物，获得第二底部产物和蒸馏部分的步骤；通过在第二萃取蒸馏塔中在存在聚合抑制剂的环境下取出蒸馏部分，获得第三底部产物的步骤；通过在第二扩散塔中蒸馏第三底部产物，获得第四底部产物的步骤；回收第二底层产品和第四底层产品并将其供给第一萃取蒸馏塔和/或第二萃取蒸馏塔的步骤；测量第二底层产品和/或第四底层产品中聚合抑制剂浓度的步骤；以及根据聚合抑制剂的测量浓度改变第一萃取蒸馏塔和/或第二萃取蒸馏塔中聚合抑制剂的供给量，从而控制第二底层产品和/或第四底层产品中聚合抑制剂浓度的控制步骤。根据该方法，可有效、稳定地抑制设备中橡胶物质的生成，并且不会在共轭二烯中残留过量的聚合抑制剂。
• APPARATUS FOR SEPARATION AND PURIFICATION OF UNSATURATED HYDROCARBON AND METHOD OF SEPARATION AND PURIFICATION
  申请人：ZEON CORPORATION

  公开号：EP1795517A1

  公开（公告）日：2007-06-13

  For example, a separation and purification apparatus having an extractive distillation tower 4 for separating and purifying butadiene, impurity concentration sensors 32, 34 for detecting the concentrations of specific impurities other than butadiene, a target material concentration sensor for detecting the concentration of butadiene in the extractive distillation tower, and a differential pressure sensor 30 for detecting the differential pressure between the top and bottom of the extractive distillation tower 4 and a separation and purification method. The method calculates a concentration of a specific impurity after a predetermined time, a concentration of butadiene at the top, and a forecasted value of the differential pressure between the top and bottom based on the sensors and controls operations based on the forecasted values by a concentration predictive control means 60. It controls a feedstock flow rate control valve 21a controlling the rate of feedstock fed to the extractive distillation tower 4, a load detecting means 61 for detecting the load of the extractive distillation tower, and a feedstock flow rate control valve 21a by a load control means 62 in accordance with detection values detected by the load detecting means 61.

  例如，一种分离和提纯装置，具有用于分离和提纯丁二烯的萃取蒸馏塔 4、用于检测除丁二烯以外的特定杂质浓度的杂质浓度传感器 32、34、用于检测萃取蒸馏塔中丁二烯浓度的目标物质浓度传感器，以及用于检测萃取蒸馏塔 4 顶部和底部之间压差的压差传感器 30 和一种分离和提纯方法。该方法根据传感器计算预定时间后特定杂质的浓度、顶部丁二烯的浓度以及顶部和底部之间压差的预测值，并通过浓度预测控制装置 60 根据预测值控制操作。它控制一个原料流速控制阀 21a，控制送入萃取蒸馏塔 4 的原料流速；一个负荷检测装置 61，用于检测萃取蒸馏塔的负荷；以及一个负荷控制装置 62，根据负荷检测装置 61 检测到的检测值控制原料流速控制阀 21a。
• POLYESTER RESIN COMPOSITION AND MOLDED BODY
  申请人：DAICEL CHEMICAL INDUSTRIES, LTD.

  公开号：EP1964889A1

  公开（公告）日：2008-09-03

  A polyester-series resin composition comprises (A) a polyester block copolymer and (C) a polycarbodiimide compound, and if necessary (B) a polyepoxy compound. The copolymer (A) is obtainable by reaction of (a1) a crystalline aromatic polyester and (a2) a lactone, and if necessary (a3) at least one compound selected from the group consisting of a polycarboxylic acid or an ester-formable derivative thereof and a polyol or an ester-formable derivative thereof in the presence of a phosphorous ester. Such a resin composition is particularly excellent in recycling efficiency and is useful for blow molding. The resin composition has a high hydrolysis resistance and an excellent heat resistance (particularly thermal cycling resistance).

  一种聚酯系列树脂组合物包括(A)聚酯嵌段共聚物和(C)聚碳二亚胺化合物，必要时还包 括(B)聚环氧化合物。共聚物(A)是由(a1)结晶芳香族聚酯和(a2)内酯，必要时(a3)至少一种选自聚羧酸或其酯类衍生物和多元醇或其酯类衍生物的化合物在磷酯存在下反应而得。这种树脂组合物的回收效率特别高，可用于吹塑成型。这种树脂组合物具有很高的耐水解性和出色的耐热性（尤其是耐热循环性）。