2,3-diethyl-1,4-butanediol | 74854-18-5

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 2,3-diethyl-1,4-butanediol
• 英文别名: racem.-2,3-Diethyl-butandiol-(1,4)；meso-2,3-Diethyl-butandiol-(1,4)；1,4-Dihydroxy-2,3-diethyl-butan；2,3-diethyl-butane-1,4-diol；2,3-Diethylbutane-1,4-diol
• CAS: 74854-18-5
• 化学式: C₈H₁₈O₂
• 分子量: 146.23
• InChiKey: ZCKVAJCGPPVONU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  10
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  40.5
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2,3-diethyl-1,4-butanediol 、 对甲苯磺酰氯 在 吡啶 作用下， 以 四氢呋喃 为溶剂， 反应 4.0h， 以8.76 g的产率得到2,3-diethyl-1,4-butanediol di-p-toluenesulfonate
  参考文献：
  名称：

  用于制备烯烃聚合催化剂的二元磺酸酯化合 物

  摘要：

  本发明涉及一种具有下述通式(Ⅰ)所示的用于制备烯烃聚合催化剂的二元磺酸酯化合物。其中，A、B为碳或选自氮、氧、硫、硅、硼、磷的杂原子，R1‑R6、R1‑R2n基团为相同或不相同的氢、卤素或取代或未取代的直链或支链的C1‑C20的烷基、C3‑C20环烷基、C6‑C20芳基、C7‑C20芳烷基或烷芳基、C2‑C20烯烃基、C6‑C20稠环芳基、C1‑C20酯基，R1和R2不是氢，R3‑R6及R1‑R2n基团上任意包含一个或几个杂原子作为碳或氢原子或两者的取代物，所述的杂原子选自氮、氧、硫、硅、硼、磷或卤原子，R3‑R6及R1‑R2n基团中的一个或多个可以连起来成环；n为0‑10的整数。

  公开号：

  CN105712909B
• 作为产物：
  描述：

  2,3-二乙基丁二酸 在 lithium aluminium tetrahydride 作用下， 以 乙醚 为溶剂， 生成 2,3-diethyl-1,4-butanediol
  参考文献：
  名称：

  Conformational Effects and Hydrogen Bonding in 1,4-Diols

  摘要：

  DOI：

  10.1021/ja01058a022

文献信息

• [EN] PROCESS OF FORMING A CYCLIC IMIDE<br/>[FR] PROCÉDÉ DE FORMATION D'UN IMIDE CYCLIQUE
  申请人：UNIV NANYANG TECH

  公开号：WO2012002913A1

  公开（公告）日：2012-01-05

  A process is provided for the synthesis of a cyclic imide. A primary amine and a diol compound are contacted in the presence of a Ruthenium (II) complex. The Ruthenium (II) catalyst includes at least one of an alicyclic ligand, an aromatic ligand, an arylalicyclic ligand, an arylaliphatic ligand and a phosphine ligand.

  提供一种合成环戊二酰亚胺的过程。在钌（II）配合物存在的情况下，将一种初级胺和一种二醇化合物接触。钌（II）催化剂包括至少一种脂环配体、芳香配体、芳基脂环配体、芳基脂肪配体和膦配体。
• Polyol ester compounds useful in preparation of a catalyst for olefins polymerization, process for preparing the same and use thereof
  申请人：Gao Mingzhi

  公开号：US20050096389A1

  公开（公告）日：2005-05-05

  The present application relates to polyol ester compounds, having general formula (I): R 1 CO—O—CR 3 R4-A-CR 5 R 6 —O—CO—R 2 (I) wherein, R, and R 2 groups, which may be identical or different, can be substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R 3 -R 6 groups, which may be identical or different, can be selected from the group consisting of hydrogen, halogen or substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R 1 -R 6 groups optionally contain one or more hetero-atoms replacing carbon, hydrogen atom or the both, said hetero-atom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen atom, two or more of R 3 -R 6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring; A is a single bond or bivalent linking group with chain length between two free radicals being 1-10 atoms, wherein said bivalent linking group is selected from the group consisting of aliphatic, alicyclic and aromatic bivalent radicals, and can carry C 1 -C 20 linear or branched substituents; one or more of carbon atom and/or hydrogen atom on the substituents can be replaced by a hetero-atom selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus, and halogen atom, and two or more said substituents on the linking group as well as above-mentioned R 3 -R 6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring. The compounds of formula (I) find use in preparing a catalyst for olefin polymerization.

  本申请涉及聚醇酯化合物，其一般式为（I）：R1CO-O-CR3R4-A-CR5R6-O-CO-R2（I），其中，R和R2基团可以相同或不同，可以是取代或未取代的碳氢基，其碳原子数为1到20个；R3-R6基团可以相同或不同，可以选择来自氢、卤素或取代或未取代的碳氢基的群，R1-R6基团可以选择包含一个或多个取代碳、氢原子或两者的杂原子，所述杂原子选择来自氮、氧、硫、硅、磷和卤素原子的群，其中R3-R6中的两个或更多个可以连接以形成饱和或不饱和的单环或多环环；A是单键或双价连接基团，其链长在两个自由基之间为1-10个原子，在所述双价连接基团中选择来自脂肪族、环烷和芳香族双价基团的群，并且可以携带C1-C20线性或支链取代基；取代基上的一个或多个碳原子和/或氢原子可以被选择来自氮、氧、硫、硅、磷和卤素原子的群的杂原子所取代，连接基上的两个或更多个取代基以及上述R3-R6基团可以连接以形成饱和或不饱和的单环或多环环。式（I）化合物可用于制备用于烯烃聚合的催化剂。
• KEYPAD MADE FROM THERMOPLASTIC POLYURETHANE RESIN AND METHOD FOR FORMING THEREOF
  申请人：Nippon Polyurethane Industry Co., Ltd.

  公开号：EP1632514A1

  公开（公告）日：2006-03-08

  A keypad of TPU obtained from a TPU sheet by thermoforming, wherein said TPU sheet is a melt-formed product of resin pellets resulting from reaction between an organic diisocyanate (A) composed mainly of hexamethylenediisocyanate (A1), a high-molecular weight polyol (B) composed mainly of polycarbonate diol (B1), and a chain extender (C) composed mainly of an aliphatic diol (C1) having 2 to 10 carbons. The TPU used in the present invention excels in secondary formability, oleic acid resistance, discoloration resistance, clarity, and printability.

  一种通过热成型从热塑性聚氨酯片材获得的热塑性聚氨酯按键，其中所述热塑性聚氨酯片材是由主要由六亚甲基二异氰酸酯（A1）组成的有机二异氰酸酯（A）、主要由聚碳酸酯二元醇（B1）组成的高分子量多元醇（B）和主要由具有 2 至 10 个碳原子的脂肪族二元醇（C1）组成的扩链剂（C）反应生成的树脂颗粒的熔融成型产品。本发明中使用的热塑性聚氨酯在二次成型性、耐油酸性、耐褪色性、透明度和可印刷性方面表现出色。
• PROCESS FOR PRODUCING POLYURETHANE EMULSION FOR WATER-BASED ONE-PACK TYPE COATING MATERIAL
  申请人：Nippon Polyurethane Industry Co., Ltd.

  公开号：EP1721947A1

  公开（公告）日：2006-11-15

  [PROBLEMS] The invention is to provide an aqueous one-component coating agent that is environmentally friendly and safe, and is excellent in productivity and storage stability, and also in alkali resistance and solvent resistance of a coated film. [MEANS FOR SOLVING PROBLEMS] The problems are solved by providing a method for producing polyurethane emulsion for an aqueous one-component coating agent, comprising: reacting an organic diisocyanate (a1), a high molecular weight polyol (a2) and a low molecular weight glycol containing a carboxyl group (a3) to produce an isocyanate-terminated urethane prepolymer having a carboxyl group (A); mixing the urethane prepolymer (A) with a polyisocyanate containing a nonionic polar group (B); neutralizing the carboxyl group in the system with a neutralizing agent (C); and subjecting the mixture to emulsification in water and chain extension with water or an amine.

  [问题] 本发明旨在提供一种单组分水性涂布剂，该涂布剂环保、安全、生产效率高、储 存稳定性好、涂膜耐碱性和耐溶剂性好。 [解决问题的方法] 为了解决上述问题，我们提供了一种生产单组分水性涂料用聚氨酯乳液的方法，该方法包括： 1：使有机二异氰酸酯（a1）、高分子量多元醇（a2）和含有羧基的低分子量乙二醇 （a3）反应，生成具有羧基（A）的异氰酸酯封端聚氨酯预聚物；将聚氨酯预聚物 (A) 与含有非离子极性基团的多异氰酸酯 (B) 混合；用中和剂 (C) 中和体系中的羧基；以及将混合物在水中乳化，并用水或胺进行扩链。
• Resin composition for flexographic printing plate, laser-engraving type flexographic printing plate precursor and process for producing same, and flexographic printing plate and process for making same
  申请人：Fujifilm Corporation

  公开号：EP2617773A1

  公开（公告）日：2013-07-24

  Disclosed is a resin composition for a flexographic printing plate, comprising (Component A) a binder resin and (Component B) a compound represented by Formula (1) and/or Formula (2), Component B being contained at 1 to 50 parts by mass relative to 100 parts by mass of Component A, wherein in Formulae (1) and (2) R1 and R4 independently denote a hydrogen atom or a methyl group, R2 and R5 independently denote a divalent organic group having 1 to 20 carbons, and R3 and R6 independently denote a monovalent organic group having 1 to 20 carbons, R3 and R6 not comprising an ethylenically unsaturated group, a dialkoxysilyl group, or a trialkoxysilyl group.

  本发明公开了一种用于柔性版印刷的树脂组合物，该组合物由（A 组分）粘合剂树脂和（B 组分）由式（1）和/或式（2）表示的化合物组成，相对于 100 质量份的 A 组分，B 组分的含量为 1 至 50 质量份、 其中，在式 (1) 和 (2) 中，R1 和 R4 独立地表示氢原子或甲基，R2 和 R5 独立地表示具有 1 至 20 个碳原子的二价有机基团，R3 和 R6 独立地表示具有 1 至 20 个碳原子的一价有机基团，R3 和 R6 不包括乙烯基不饱和基团、二烷氧基硅烷基团或三烷氧基硅烷基团。