1,3-di(heptan-4-yl)-5,6-dihydro-4H-pyrimidin-1-ium-2-carboxylic acid

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 1,3-di(heptan-4-yl)-5,6-dihydro-4H-pyrimidin-1-ium-2-carboxylic acid
• 化学式: C19H37N2O2+
• 分子量: 325.5
• InChiKey: CRGKMTJTZGTXSQ-UHFFFAOYSA-O

计算性质

• 辛醇/水分配系数(LogP)：
  4.7
• 重原子数：
  23
• 可旋转键数：
  11
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.89
• 拓扑面积：
  43.6
• 氢给体数：
  1
• 氢受体数：
  2

文献信息

• POLYMERIZATION USING LATENT INITIATORS
  申请人：EVONIK INDUSTRIES AG

  公开号：US20150126696A1

  公开（公告）日：2015-05-07

  The present invention relates to a novel, rapid initiation mechanism for polymerising (meth)acrylates using latent initiators based on N-heterocyclic carbene compounds which can be thermally activated, such as, in particular, N-heterocyclic carbene-CO 2 compounds, carbene-CS 2 compounds or carbene-metal compounds (NHC). Using the new initiation mechanism, molecular weights of 10 000 to over 500 000 g/mol and a narrow polydispersity can be achieved for polymerisation of MMA. The polymerisations can be carried out both without solvent and in solution.
• LACTONE POLYMERIZATION WITH LATENT INITIATORS
  申请人：EVONIK DEGUSSA GMBH

  公开号：US20160137774A1

  公开（公告）日：2016-05-19

  The present invention relates to a novel, rapid initiating mechanism for anionic, ring-opening polymerization of lactones by means of latent initiators based on N-heterocyclic carbene compounds which can be thermally activated, such as, in particular, N-heterocyclic carbene-CO 2 , carbene-CS 2 and carbene-metal compounds (NHC). Molecular weights of 2000 to more than 20 000 g/mol and narrow polydispersities can thus be realized using the novel initiating mechanism for the polymerization of ε-caprolactone. The polymerizations may be carried out either without solvent or in solution. Compounds of this type are thermally latent and initiate a polymerization to give polylactones on heating, sometimes in high yields up to a level of quantitative conversion, while a reaction does not occur at room temperature. The polydispersity and molecular weight of the polylactone can be adjusted by selection of the initiator and the reaction conditions.
• RING-OPENING LAUROLACTAM POLYMERIZATION WITH LATENT INITIATORS
  申请人：BURGER Yvonne

  公开号：US20160102175A1

  公开（公告）日：2016-04-14

  The present invention relates to a rapid and innovative mechanism for initiating anionic ring-opening polymerization of laurolactam by means of latent initiators on the basis of thermally activatable N-heterocyclic carbene compounds, such as, more particularly, N-heterocyclic carbene-CO 2 compounds and carbene-metal compounds (NHCs). With the new initiation mechanism it is possible accordingly to realize molecular weights (M w ) of from 2000 up to more than 30,000 g/mol, and narrow polydispersities. The polymerizations may be carried out both in bulk and in solution in a suitable solvent. Compounds of this type are thermally latent and on heating initiate a polymerization to polylaurolactam in high yields, up to a quantitative conversion, whereas at room temperature there is no reaction. Polydispersity and molecular weight of the polylaurolactam can be adjusted through the choice of the initiator and of the reaction conditions.
• METHOD FOR PREPARING PLOYESTERAMIDES BY ORGANIC CATALIYSIS
  申请人：NANJING TECH UNIVERSITY

  公开号：US20170081475A1

  公开（公告）日：2017-03-23

  A method for preparing polyesteramides by organocatalysis. The polyesteramides are prepared by a ring-opening polymerization reaction of comonomer under the action of an activator and an initiator, with ε-caprolactone and ε-caprolactam taken as the comonomer, and an I type carbene carboxylate compound or an L type carbene carboxylate compound taken as catalysts.
• [DE] VERFAHREN ZUR POLYMERISATION VON &egr;-CAPROLACTAM<br/>[EN] METHOD FOR POLYMERIZING &Egr;-CAPROLACTAM<br/>[FR] PROCÉDÉ DE POLYMÉRISATION DE L'&Egr;-CAPROLACTAME
  申请人：EVONIK INDUSTRIES AG

  公开号：WO2014118076A1

  公开（公告）日：2014-08-07

  Die Erfindung betrifft ein Verfahren zur Polymerisation von ε-Caprolactam unter Verwendung von Präkatalysatoren in Form geschützter N-heterocyclischer Carbene. Der Präkatalysator kann problemlos mit ε-Caprolactam gemischt und als polymerisationsbereite Mischung verpackt werden. Der Vorteil der Erfindung besteht insbesondere darin, dass die aktive Spezies erst dann entsteht, wenn sie gebraucht wird, d.h., wenn die Mischung aus ε-Caprolactam und Präkatalysator polymerisiert werden soll.