N,N'-dicyclohexyl-2,3,4,6,7,8-hexahydropyrimido[1,2-a]pyrimidine-1-carboximidamide | 1207191-52-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 英文名称: N,N'-dicyclohexyl-2,3,4,6,7,8-hexahydropyrimido[1,2-a]pyrimidine-1-carboximidamide
• CAS: 1207191-52-3
• 化学式: C₂₀H₃₅N₅
• 分子量: 345.531
• InChiKey: SSZYMHGOBFBYIT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  25
• 可旋转键数：
  4
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.9
• 拓扑面积：
  43.2
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  1,5,7-三氮杂双环[4.4.0]癸-5-烯 、 N,N'-二环己基碳二亚胺 反应 12.0h， 生成 N,N'-dicyclohexyl-2,3,4,6,7,8-hexahydropyrimido[1,2-a]pyrimidine-1-carboximidamide
  参考文献：
  名称：

  无环胍作为丙交酯活性聚合的有机催化剂

  摘要：

  我们描述了一种通过碳二亚胺与仲胺反应制得结构多样的胍基有机催化剂的简便途径。证明了这些催化剂对丙交酯的活性开环聚合（ROP）的功效，包括可预测的分子量和端基保真度。理论研究表明，无环胍盐比1,5,7-三氮杂双环[4.4.0]癸-5-烯（TBD）碱性低，但对于活性更高的TBD，它们通过激活醇和通过氢键稳定所得的四面体中间体。这些结果表明弱的次级相互作用是受控聚合的重要概念。

  DOI：

  10.1021/ma901776x

文献信息

• Catalytic Depolymerization of Polymers Containing Electrophilic Linkages Using Nucleophilic Reagents
  申请人：Hedrick James Lupton

  公开号：US20110004014A1

  公开（公告）日：2011-01-06

  The disclosure relates to methods and materials useful for depolymerizing a polymer. In one embodiment, for example, the disclosure provides a method for depolymerizing a polymer containing electrophilic linkages, wherein the method comprises contacting the polymer with a nucleophilic reagent in the presence of a guanidine-containing compound. The methods and materials of the disclosure find utility, for example, in the field of waste reclamation and recycling.

  该披露涉及用于降解聚合物的方法和材料。例如，在一个实施例中，该披露提供了一种用于降解含有亲电键合的聚合物的方法，其中该方法包括在存在古铵基含化合物的情况下，将聚合物与亲核试剂接触。该披露的方法和材料在废物回收和循环利用领域中找到了应用。
• PROCESS FOR THE PREPARATION OF POLYORGANOSILOAXNES
  申请人：Henkel AG & Co. KGaA

  公开号：EP3599256A1

  公开（公告）日：2020-01-29

  The invention relates to a process for preparing polyorganosiloxanes by (i) condensation polymerization of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom, (ii) ring-opening polymerization of at least one cyclosiloxane, or (iii) ring-opening polymerization and condensation polymerization of a mixture of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom and at least one cyclosiloxane with a basic initiator and a hydroxy group-containing compound in the presence of a polar aprotic solvent, wherein the obtained polyorganosilxoanes are not miscible in the polar aprotic solvent at room temperature.

  本发明涉及一种通过以下方法制备聚有机硅氧烷的工艺：(i) 至少一种与硅原子结合有至少一个羟基或可水解基团的线性有机硅氧烷的缩合聚合，(ii) 至少一种环硅氧烷的开环聚合、或(iii)在极性烷基溶剂存在下，将至少一种具有至少一个羟基或与硅原子结合的可水解基团的线性有机硅氧烷和至少一种环硅氧烷的混合物与碱性引发剂和含羟基化合物进行开环聚合和缩合聚合，其中所得到的聚有机硅氧烷在室温下不混溶于极性烷基溶剂中。
• Catalytic Polymerization of Polymers Containing Electrophilic Linkages Using Nucleophilic Reagents
  申请人：Hedrick James Lupton

  公开号：US20110003949A1

  公开（公告）日：2011-01-06

  The disclosure relates to methods and materials useful for polymerizing a monomer. In one embodiment, for example, the disclosure provides a method for polymerizing a monomer containing a plurality of electrophilic groups, wherein the method comprises contacting the monomer with a nucleophilic reagent in the presence of a guanidine-containing catalyst. The methods and materials of the disclosure find utility, for example, in the field of materials science.
• CATALYTIC POLYMERIZATION OF POLYMERS CONTAINING ELECTROPHIIC LINKAGES USING NUCLEOPHILIC REAGENTS
  申请人：International Business Machines Corporation

  公开号：US20130123458A1

  公开（公告）日：2013-05-16

  The disclosure relates to methods and materials useful for polymerizing a monomer. In one embodiment, for example, the disclosure provides a method for polymerizing a monomer containing a plurality of electrophilic groups, wherein the method comprises contacting the monomer with a nucleophilic reagent in the presence of a guanidine-containing catalyst. The methods and materials of the disclosure find utility, for example, in the field of materials science.
• Process for the Preparation of Polyorganosiloxanes
  申请人：Henkel AG & Co. KGaA

  公开号：US20210147632A1

  公开（公告）日：2021-05-20

  The invention relates to a process for preparing polyorganosiloxanes by (i) condensation polymerization of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom, (ii) ring-opening polymerization of at least one cyclosiloxane, or (iii) ring-opening polymerization and condensation polymerization of a mixture of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom and at least one cyclosiloxane with a basic initiator and a hydroxy group-containing compound in the presence of a polar aprotic solvent, wherein the obtained polyorganosiloxanes are not miscible in the polar aprotic solvent at room temperature.