4,6-Dimethyl-2-propyl-1,3-dioxane | 5406-35-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二恶烷
• 英文名称: 4,6-Dimethyl-2-propyl-1,3-dioxane
• CAS: 5406-35-9
• 化学式: C₉H₁₈O₂
• 分子量: 158.241
• InChiKey: GAWNSZTYJBHWGG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  11
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  18.5
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  正丁醛 、 2,4-戊二醇 在 2,3-dibromopyridine hydrochloride 作用下， 以 二甲基亚砜 为溶剂， 反应 0.25h， 生成 4,6-Dimethyl-2-propyl-1,3-dioxane
  参考文献：
  名称：

  氢键辅助仲醇的有机催化乙酰化：实验和理论研究

  摘要：

  开发了一种在简单质子状吡啶鎓盐存在下将仲醇缩醛化的有效方法。描述了合成催化剂的结构和活性之间的直接关系。揭示了通过吡啶衍生物使半缩醛中间体通过氢键键合的稳定作用，以及反应速率的适当增加。研究了在吡啶环的某些位置上由含吸电子基团的吡啶鎓盐催化的所考察反应的实验加速实验的性质。在这种情况下，还讨论了氢键合的过渡态络合物和具有强催化剂的过渡态络合物的解释，涉及部分质子转移。

  DOI：

  10.1021/acs.jpca.5b02102

文献信息

• AMORPHOUS POLYMERS WITH PENDANT CHROMOGENIC GROUPS
  申请人：Percec Simona

  公开号：US20090279160A1

  公开（公告）日：2009-11-12

  Amorphous polymers with chromogenic pendant groups are provided. The amorphous polymers can be used to make elastomeric films and coatings that can be incorporated into laminates and used to make articles such as architectural and vehicular glazing, and in applications such as eyewear, displays and signage.

  提供具有变色性挂基的非晶聚合物。这些非晶聚合物可用于制造弹性薄膜和涂层，可被纳入层压板中，用于制造建筑和车辆玻璃等物品，以及用于眼镜、显示器和标志等应用中。
• CURABLE COMPOSITION, ESPECIALLY FOR RUBBER TO SUBSTRATE BONDING
  申请人：Henkel AG & Co. KGaA

  公开号：EP3135740A1

  公开（公告）日：2017-03-01

  The subject matter is a new curable composition comprising at least one hydroxyl-group containing resin, at least one nitroso-containing compound or at least one nitroso precursor compound, at least one hydrophopic silica and at least one blocked isocyanate, which provides excellent adhesion and steam resistance for rubber to substrate bonds, a process for bonding two substrates with this new curable composition and the corresponding article.

  本发明的主题是一种新型固化组合物，包含至少一种含羟基的树脂、至少一种含亚硝基的化合物或至少一种亚硝基前体化合物、至少一种亲水性二氧化硅和至少一种封端异氰酸酯，该组合物可为橡胶与基材的粘合提供优异的粘合性和耐蒸汽性，以及一种使用这种新型固化组合物粘合两种基材的工艺和相应的制品。
• ELECTROCHROMIC ELECTROLYTE BLENDS
  申请人：Percec Simona

  公开号：US20090078917A1

  公开（公告）日：2009-03-26

  The present invention is directed to electrochromic electrolyte polymer blends. These blends comprise an amorphous polymer and an electrochromophore component. The electrochromophore component comprises a polyalkylene polymer copolymerized with an electrochromic moiety. The blends can be used to make elastomeric films and coatings that can be used in laminates, which can be used to form manufactured articles such as architectural and vehicular glazing, eyewear, displays and signage.
• ELECTROSTATIC DISSIPATIVE COMPOSITIONS AND METHODS THEREOF
  申请人：THE BOEING COMPANY

  公开号：US20180057722A1

  公开（公告）日：2018-03-01

  Compositions of the present disclosure comprise electrostatic dissipative compositions comprising a first polymer, a second polymer, and a naphthyl sulfonic acid. Methods of the present disclosure comprise heating a vehicle component by applying a voltage to a surface of a composition disposed on a vehicle component. The composition comprises a first polymer and a second polymer.
• ELECTRICALLY CONDUCTIVE MATERIALS
  申请人：THE BOEING COMPANY

  公开号：US20180061518A1

  公开（公告）日：2018-03-01

  Methods of forming an electrically conductive carbon allotrope material comprise depositing a first material comprising a polymer and a sulfonic acid onto a carbon allotrope material to form a second material. The methods comprise curing the second material. Methods of heating a surface of a vehicle component comprise applying a voltage to a material comprising a carbon allotrope material, a polymer, and a sulfonic acid. The material is disposed on a surface of a vehicle component. Electrically conductive materials comprise at least one polymer, at least one sulfonic acid, and a carbon allotrope material.