(Z)-4-hydroxy-4-oxobut-2-enoate;tetraethylazanium | 111754-37-1

• 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: (Z)-4-hydroxy-4-oxobut-2-enoate;tetraethylazanium
• CAS: 111754-37-1
• 化学式: C12H23NO4
• 分子量: 245.32
• InChiKey: OLKRIVQBFQVHRL-BTJKTKAUSA-M

计算性质

• 辛醇/水分配系数(LogP)：
  0.26
• 重原子数：
  17
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  77.4
• 氢给体数：
  1
• 氢受体数：
  4

文献信息

• New trimerization catalysts from sterically hindered salts
  申请人：Air Products and Chemicals, Inc.

  公开号：EP1852448A2

  公开（公告）日：2007-11-07

  The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.

  本发明提供了具有立体受阻羧酸盐的三聚催化剂组合物，以及使用此类三聚催化剂组合物生产聚异氰酸酯/聚氨酯泡沫的方法。
• New trimer catalyst with improved processability and surface cure
  申请人：Air Products and Chemicals, Inc.

  公开号：EP1852449A2

  公开（公告）日：2007-11-07

  The present invention provides trimerization catalyst compositions having an α,β-unsaturated carboxylate salt and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.

  本发明提供了具有α，β-不饱和羧酸盐的三聚催化剂组合物，以及使用这种三聚催化剂组合物生产聚异氰酸酯/聚氨酯泡沫的方法。
• New trimer catalyst additives for improving foam processability
  申请人：Air Products and Chemicals, Inc.

  公开号：EP1852450A2

  公开（公告）日：2007-11-07

  The present invention provides trimerization catalyst compositions and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions. The catalyst composition is the contact product of at least one α,β-unsaturated carboxylate salt and at least one second carboxylate salt.

  本发明提供了三聚催化剂组合物和使用这种三聚催化剂组合物生产聚异氰酸酯/聚氨酯泡沫塑料的方法。催化剂组合物是至少一种α，β-不饱和羧酸盐和至少一种第二羧酸盐的接触产物。
• Tetraalkylammonium carboxylate salts as trimerization catalysts for spray foam applications
  申请人：Air Products and Chemicals, Inc.

  公开号：EP2003157A2

  公开（公告）日：2008-12-17

  The present invention provides a method to produce a polyisocyanurate/polyurethane spray foam using a trimerization catalyst composition having tetraalkylammonium salt of a sterically hindered carboxylic acid or an α,β-unsaturated carboxylic acid.

  本发明提供了一种使用三聚催化剂组合物生产聚异氰酸酯/聚氨酯喷涂泡沫的方法，该催化剂组合物具有立体受阻羧酸或α，β-不饱和羧酸的四烷基铵盐。
• Electrochemical deblocking solution for electrochemical oligomer synthesis on an electrode array
  申请人：CustomArray, Inc.

  公开号：US10006131B1

  公开（公告）日：2018-06-26

  There is disclosed an electrochemical deblocking solution for use on an electrode microarray. There is further disclosed a method for electrochemical synthesis on an electrode array using the electrochemical deblocking solution. The solution and method are for removing acid-labile protecting groups for synthesis of oligonucleotides, peptides, small molecules, or polymers on a microarray of electrodes while substantially improving isolation of deblocking to active electrodes. The method comprises applying a voltage or a current to at least one electrode of an array of electrodes. The array of electrodes is covered by the electrochemical deblocking solution.

  本发明公开了一种用于电极微阵列的电化学解锁溶液。还进一步公开了一种使用该电化学解锁溶液在电极阵列上进行电化学合成的方法。该溶液和方法用于去除酸性保护基团，以便在电极微阵列上合成寡核苷酸、肽、小分子或聚合物，同时大幅提高与活性电极的解锁隔离度。该方法包括向电极阵列中的至少一个电极施加电压或电流。电极阵列被电化学解锁溶液覆盖。