5-Methyl-3-oxahept-6-en-1-ol | 257949-93-2

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 5-Methyl-3-oxahept-6-en-1-ol
• 英文别名: 2-(2-Methylbut-3-enoxy)ethanol
• CAS: 257949-93-2
• 化学式: C₇H₁₄O₂
• 分子量: 130.187
• InChiKey: KYZGEHPFAXAWPY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  9
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.71
• 拓扑面积：
  29.5
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  5-Methyl-3-oxahept-6-en-1-ol 在 草酰氯 、 二甲基亚砜 作用下， 以 二氯甲烷 为溶剂， 反应 1.0h， 生成 (2-Methyl-but-3-enyloxy)-acetaldehyde
  参考文献：
  名称：

  Stereoselectivity of intramolecular cyclisations of nitrones derived from 3-oxahept-6-enals

  摘要：

  分子内[1,3]-双极环加成的亚硝基 33 来自 3-oxahept-6-enals 7，在 4 位或 5 位被取代，采用多种方法制备，可得到收率很高甚至非常好的环加成物 34-37，具有良好的立体选择性，尤其是当取代基邻近烯时。环化似乎是通过定义明确的过渡态构象进行的，这应该具有预测价值。

  DOI：

  10.1039/a905802h
• 作为产物：
  描述：

  Ethyl 5-methyl-3-oxahept-6-enoate 在 lithium aluminium tetrahydride 作用下， 以 乙醚 为溶剂， 反应 2.0h， 以94%的产率得到5-Methyl-3-oxahept-6-en-1-ol
  参考文献：
  名称：

  Stereoselectivity of intramolecular cyclisations of nitrones derived from 3-oxahept-6-enals

  摘要：

  分子内[1,3]-双极环加成的亚硝基 33 来自 3-oxahept-6-enals 7，在 4 位或 5 位被取代，采用多种方法制备，可得到收率很高甚至非常好的环加成物 34-37，具有良好的立体选择性，尤其是当取代基邻近烯时。环化似乎是通过定义明确的过渡态构象进行的，这应该具有预测价值。

  DOI：

  10.1039/a905802h

文献信息

• Polycarboxylic acid copolymer, production method and use thereof
  申请人：——

  公开号：US20020193547A1

  公开（公告）日：2002-12-19

  It is an object of the present invention to provide a polycarboxylic acid copolymer which improves the water reducing capacity and workability of cement compositions and the like and making them easier to handle when the fluidity and water reducing capacity are at the same levels, a method of producing the copolymer, and a cement additive and a cement composition comprising the copolymer. The present invention is further to provide a polycarboxylic acid copolymer and a cement additive which are capable of improving the strength and durability of hardening products of cement compositions, hence can advantageously be used in ultrahigh strength concrete. The present invention is still further to provide a method of producing polycarboxylic acid copolymers having high water reducing capacity, reducing the viscosity of cement compositions and improving the workability in applying cement. The present invention is directed to a polycarboxylic acid copolymer which is obtained by copolymerization of monomer components comprising a polyalkyleneimine unsaturated monomer (A1) and an unsaturated carboxylic acid monomer (B).

  本发明的目的是提供一种聚羧酸共聚物，该共聚物可以提高水减量和可操作性，并使其更易于处理，当流动性和水减量相同时，制备该共聚物的方法以及包括该共聚物的水泥添加剂和水泥组合物。本发明还提供了一种聚羧酸共聚物和水泥添加剂，它们能够提高水泥组合物的硬化产品的强度和耐久性，因此可以有利地用于超高强度混凝土。本发明还提供了一种制备具有高水减量能力的聚羧酸共聚物的方法，该方法可以减少水泥组合物的粘度并改善应用水泥的可操作性。本发明涉及一种聚羧酸共聚物，该共聚物通过共聚合包括聚烷基亚胺不饱和单体（A1）和不饱和羧酸单体（B）的单体组分而得到。
• MULTI-BRANCHED POLYALKYLENE GLYCOL POLYMER, METHOD FOR PRODUCING THE SAME, AND ADMIXTURE FOR CEMENT
  申请人：Sakamoto Noboru

  公开号：US20110160393A1

  公开（公告）日：2011-06-30

  The present invention provides a multi-branched polyalkylene glycol polymer useful for various applications, especially for an admixture for cement, a dispersant, admixture for cement, and cement composition each comprising the same, a thiol compound having a polyalkylene glycol chain useful for materials and the like of the polymer, and a method for easily and effectively producing the multi-branched polyalkylene glycol polymer and the thiol compound having a polyalkylene glycol chain at low cost. The multi-branched polymer comprises: a polyalkylene glycol chain; a residue of a compound having three or more active hydrogen atoms; and a polymer portion having a constitutional unit derived from a vinyl monomer component, one end of the polyalkylene glycol chain bonding to the residue, and a terminal oxygen atom of at least one of the other ends of the polyalkylene glycol chain bonding to a main chain end of the polymer portion directly or via an organic residue.

  本发明提供了一种多支链聚烷基醚聚合物，适用于各种应用，特别是水泥掺合剂、分散剂、水泥掺合剂和包含它们的水泥组合物，以及具有聚烷基醚链的巯基化合物，用于聚合物等材料，以及一种低成本、易于有效生产多支链聚烷基醚聚合物和具有聚烷基醚链的巯基化合物的方法。多支链聚合物包括：聚烷基醚链；具有三个或更多活性氢原子的化合物残基；以及具有从乙烯单体组分衍生的构成单元的聚合物部分，聚烷基醚链的一端与残基结合，聚烷基醚链的至少一个其他端的端氧原子直接或通过有机残基与聚合物部分的主链端结合。
• Copolymer for cement admixtures and its production process and use
  申请人：Nippon Shokubai Co., Ltd.

  公开号：EP1103570A2

  公开（公告）日：2001-05-30

  The present invention provides: a copolymer for cement admixtures which displays high dispersibility with a small adding amount and excellent dispersibility particularly even in a high water reducing ratio area, a cement admixture utilizing the copolymer, and a cement composition, and further, a production process for the copolymer. The copolymer for cement admixtures comprises: constitutional unit (I) derived from unsaturated polyalkylene glycol ether monomer (a) having an alkenyl group having 5 carbon atoms and an oxyalkylene group having 2 to 18 carbon atoms with an average addition number of moles of the oxyalkylene groups to be in the range of 10 to 300; and constitutional unit (II) derived from unsaturated monocarboxylic acid monomer (b). The cement admixture includes the copolymer for cement admixtures as an essential component, and may further include a defoaming agent. The cement composition includes the copolymer for cement admixtures, and cement as essential components. The production process for the copolymer comprises: copolymerizing comonomers including unsaturated polyalkylene glycol ether monomer (a) and unsaturated monocarboxylic monomer (b) as essential components by use of a chain-transfer agent, and/or adjusting pH of a resultant reaction mixture to not less than 5 after the copolymerization.

  本发明提供了：一种用于水泥外加剂的共聚物，该共聚物以较小的添加量显示出较高的分散性，特别是在高减水率区域也显示出优异的分散性；一种利用该共聚物的水泥外加剂；以及一种水泥组合物；此外，还提供了一种该共聚物的生产工艺。用于水泥外加剂的共聚物包括：由不饱和聚亚烷基乙二醇醚单体（a）衍生的构型单元（I），该单体具有 5 个碳原子的烯基和 2 至 18 个碳原子的氧亚烷基，氧亚烷基的平均添加摩尔数在 10 至 300 之间；以及由不饱和单羧酸单体（b）衍生的构型单元（II）。水泥外加剂包括作为基本成分的水泥外加剂共聚物，并可进一步包括消泡剂。水泥组合物包括作为基本成分的水泥外加剂共聚物和水泥。共聚物的生产工艺包括：通过使用链转移剂，使包括不饱和聚亚烷基乙二醇醚单体（a）和不饱和单羧酸单体（b）在内的共聚单体作为基本成分进行共聚，和/或在共聚后将所得反应混合物的 pH 值调节至不低于 5。
• POLYCARBOXYLIC ACID TYPE COPOLYMER AND METHOD FOR PRODUCING THE SAME, AND USE OF THE SAME
  申请人：Nippon Shokubai Co., Ltd.

  公开号：EP1361233A1

  公开（公告）日：2003-11-12

  It is an object of the present invention to provide a polycarboxylic acid copolymer which improves the water reducing capacity and workability of cement compositions and the like and making them easier to handle when the fluidity and water reducing capacity are at the same levels, a method of producing the copolymer, and a cement additive and a cement composition comprising the copolymer. The present invention is further to provide a polycarboxylic acid copolymer and a cement additive which are capable of improving the strength and durability of hardening products of cement compositions, hence can advantageously be used in ultrahigh strength concrete. The present invention is still further to provide a method of producing polycarboxylic acid copolymers having high water reducing capacity, reducing the viscosity of cement compositions and improving the workability in applying cement. The present invention is directed to a polycarboxylic acid copolymer which is obtained by copolymerization of monomer components comprising a polyalkyleneimine unsaturated monomer (A1) and an unsaturated carboxylic acid monomer (B).

  本发明的目的是提供一种聚羧酸共聚物，当流动性和减水能力处于同一水平时，该共聚物可提高水泥组合物等的减水能力和工作性，并使其更易于处理；还提供一种生产该共聚物的方法，以及一种水泥添加剂和一种含有该共聚物的水泥组合物。本发明进一步提供了一种聚羧酸共聚物和一种水泥添加剂，它们能够提高水泥组合物硬化产物的强度和耐久性，因此可用于超高强度混凝土中。本发明还进一步提供了一种生产具有高减水能力的聚羧酸共聚物的方法，该方法可降低水泥组合物的粘度并改善涂抹水泥时的工作性。 本发明涉及一种聚羧酸共聚物，它是由聚亚烷基亚胺不饱和单体(A1)和不饱和羧酸单体(B)组成的单体组分共聚合得到的。
• Polycarboxylic acid cement dispersant and method for producing concrete secondary product
  申请人：Nippon Shokubai Co., Ltd.

  公开号：EP1466930A2

  公开（公告）日：2004-10-13

  The polycarboxylic acid cement dispersant of the present invention can exhibit high dispersing ability and allow deforming in early stages in the case of producing concrete products, whereby the turnover of a formwork is increased so as to improve productivity, and the method of producing a concrete product of the present invention can allow deforming in early stages, whereby the turnover of a formwork is increased so as to improve productivity. The polycarboxylic acid cement dispersant which provides a cement composition having a penetration resistance value exponent of 55 MPa or more and a slump retention exponent of 80% or more, and the method of producing a concrete product which makes use of a copolymer derived by using monomer components comprising the monomer (A) as polyalkylene glycol unsaturated monomer, the monomer (B) as unsaturated carboxylic monomer, and the monomer (C) as sulfonic acid group-containing monomer.

  本发明的聚羧酸水泥分散剂可以表现出很高的分散能力，在生产混凝土产品时可以在早期阶段变形，从而提高模板的周转率以提高生产率，本发明的混凝土产品生产方法可以在早期阶段变形，从而提高模板的周转率以提高生产率。 本发明的聚羧酸水泥分散剂可提供抗渗透值指数为 55 兆帕或更高和坍落度保持指数为 80% 或更高的水泥组合物，本发明的混凝土产品生产方法使用了通过单体成分衍生的共聚物，单体成分包括作为聚亚烷基二醇不饱和单体的单体(A)、作为不饱和羧酸单体的单体(B)和作为含磺酸基单体的单体(C)。