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4-(2-(dimethylamino)ethoxy)-4-oxobut-2-enoic acid

中文名称
——
中文别名
——
英文名称
4-(2-(dimethylamino)ethoxy)-4-oxobut-2-enoic acid
英文别名
4-[2-(Dimethylazaniumyl)ethoxy]-4-oxobut-2-enoate
4-(2-(dimethylamino)ethoxy)-4-oxobut-2-enoic acid化学式
CAS
——
化学式
C8H13NO4
mdl
——
分子量
187.196
InChiKey
MFXRVGGDZXYMRW-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    -2.4
  • 重原子数:
    13
  • 可旋转键数:
    6
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.5
  • 拓扑面积:
    66.8
  • 氢给体数:
    1
  • 氢受体数:
    5

反应信息

  • 作为产物:
    描述:
    马来酸酐N,N-二甲基乙醇胺氯仿 为溶剂, 反应 5.0h, 以94.5%的产率得到4-(2-(dimethylamino)ethoxy)-4-oxobut-2-enoic acid
    参考文献:
    名称:
    用于常温下氧化还原制备苯丙乳液的还原剂单体及其合成方法
    摘要:
    本发明属于聚合物合成领域,具体公开了一种用于常温下氧化还原制备苯丙乳液的还原剂单体及其合成方法。以马来酸酐与二甲基乙醇胺为原料合成还原剂单体4‑(2‑(二甲基氨基)乙氧基)‑4‑氧丁‑2‑烯酸,合成原料便宜易得,合成条件简单,易于提纯。以合成的还原剂单体作为还原剂,过硫酸钾为氧化剂,水为分散介质,十二烷基硫酸钠为乳化剂,苯乙烯,丙烯酸丁酯,甲基丙烯酸甲酯为共聚单体,通过自由基微乳液聚合,在室温下合成得到苯丙乳液,反应体系简单且稳定,反应条件温和,勿需控温,对环境的影响较小,能耗低,适合应用于工业化大规模生产。合成苯丙乳液单体转化率高,可以在常温下得到高分子量,具有支化结构的苯丙乳液。
    公开号:
    CN111410612B
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文献信息

  • CROSSLINKED POLYMER, PROCESS FOR PRODUCING THE SAME, ABSORBENT STRUCTURE, AND ABSORBENT ARTICLE
    申请人:Sanyo Chemical Industries, Ltd.
    公开号:EP1275669A1
    公开(公告)日:2003-01-15
    A crosslinked polymer (A) which comprises, as essential structural units, units derived from (a) one or more vinyl monomers selected from the group consisting of water-soluble vinyl monomers and/or vinyl monomers which become water-soluble upon hydrolysis and units derived from (b) a crosslinking agent and which satisfies the following requirements: (1): (X) ≧ 25g/g, (2): (Y) ≧ 15g/g, and (3): (Y) ≧ -0.54 (X) + 41. It has exceedingly high water retentivity and exceedingly high absorbing power under load. When applied to an absorbent structure and an absorbent article, the polymer has excellent absorbing performance. In the relationships, (X) is the amount of physiological saline retained through 1-hour absorption and (Y) is the amount of physiological saline absorbed through 1-hour standing under a load of 60 g/cm2.
    一种交联聚合物(A),其基本结构单元包括(a)一种或多种乙烯基单体衍生的单 元,这些乙烯基单体选自由水溶性乙烯基单体和/或水解后变成水溶性的乙烯基单体 组成的组,以及(b)一种交联剂衍生的单元,并满足以下要求:(1):(X) ≧ 25g/g, (2):(Y) ≧ 15 克/克,及 (3):(Y) ≧ -0.54 (X) + 41。它具有极高的保水性和极高的负载吸附力。当应用于吸水结构和吸水物品时,该聚合物具有优异的吸水性能。在上述关系中,(X) 是在 60 克/平方厘米的负载下,通过 1 小时的吸收所保留的生理盐水量,(Y) 是在 60 克/平方厘米的负载下,通过 1 小时的静置所吸收的生理盐水量。
  • Absorbent article containing a water-absorbent resin powder
    申请人:LIVEDO CORPORATION
    公开号:US10052401B2
    公开(公告)日:2018-08-21
    To provide an absorbent article that has a high absorption speed, is unlikely to cause a liquid to remain on a skin-contacting surface, has excellent dry feeling, and is unlikely to cause excreted body fluid to return. The present invention provides an absorbent article comprising an absorber composed of at least one absorbent layer, wherein a water-absorbent resin powder meeting the following requirements (a) to (d) is disposed in an uppermost layer of the absorber: (a) a bulk density: 0.45 g/ml to 0.62 g/ml; (b) an absorption speed by a vortex method: 20 seconds to 50 seconds; (c) a liquid-passing speed under load: 10 seconds or less; and (d) a moisture absorption blocking ratio: 5% or less.
    提供一种吸收速度快、不易使液体残留在皮肤接触面上、干爽感极佳且不易使排出体外的体液回流的吸收制品。本发明提供了一种吸收制品,它包括由至少一个吸收层组成的吸收器,其中符合以下要求(a)至(d)的吸水性树脂粉末被放置在吸收器的最上层:(a)体积密度:0.45 克/毫升至 0.62 克/毫升;(b)涡流法吸收速度:20 秒至 50 秒;(c)负载下液体通过速度:10 秒或更短;以及(d)吸水性树脂粉末的体积密度:0.45 克/毫升至 0.62 克/毫升:(d) 吸湿阻塞率:5%或更低。
  • Absorbent article having absorbent body and diffusion layer
    申请人:LIVEDO CORPORATION
    公开号:US10071001B2
    公开(公告)日:2018-09-11
    An objective of the present invention is to provide an absorbent article having an excellent absorption speed of body fluid and excellent dryness after absorbing body fluid. The absorbent article of the present invention comprises: an absorbent body where a water absorbent resin powder meeting the following requirements (a) to (c) is disposed, (a) an absorption speed measured by a vortex method: 20 seconds to 50 seconds, (b) a liquid passing speed under load: 10 seconds or less, (c) a moisture absorption blocking ratio: 5% or less; and a diffusion layer composed of a synthetic fiber assembly substantially having no water absorption.
    本发明的目的是提供一种吸收体液速度极快、吸收体液后干燥度极佳的吸收制品。本发明的吸收制品包括:放置符合以下要求(a)至(c)的吸水性树脂粉末的吸收体,(a)用涡流法测得的吸收速度:20 秒至 50 秒,(b)负载下的液体通过速度:10 秒或更短,(c)吸湿阻隔率:5% 或更低:(c) 吸湿阻塞率:5%或更低;以及由基本上不吸水的合成纤维组件组成的扩散层。
  • Absorbent article including hydrophobized adsorbent
    申请人:LIVEDO CORPORATION
    公开号:US10556036B2
    公开(公告)日:2020-02-11
    An objective of the present invention is to provide an absorbent article that prevents wetting of the outer sides or surrounding area of the absorbent article due to condensation formed by water vapor escaped from inside the absorbent article. The present invention provides an absorbent article comprising: an absorbent body composed of at least one absorption layer, wherein the absorbent body includes a hydrophobized adsorbent and (a) a water absorbent resin powder having an absorption speed in a range from 6 seconds to 60 seconds determined by a vortex method.
    本发明的目的是提供一种吸水制品,防止因水蒸气从吸水制品内部逸出而形成的冷凝水弄湿吸水制品的外侧或周围区域。本发明提供了一种吸水制品,包括:由至少一个吸水层组成的吸水体,其中吸水体包括疏水吸附剂和(a)吸水树脂粉末,其吸水速度在 6 秒至 60 秒的范围内,由涡流法确定。
  • Absorbent article comprising water-absorbent resin powder
    申请人:LIVEDO CORPORATION
    公开号:US10610613B2
    公开(公告)日:2020-04-07
    To provide an outer absorbent article having attached thereto an inner absorbent article such as a urine absorption pad to be used, in which the outer absorbent article is configured to prevent inside thereof from wetting due to condensation of vapor escaped from inside an inner absorbent article. [Solution] An outer absorbent article of the present invention is an outer absorbent article having an absorbent body formed from at least one layer of an absorption layer, wherein the absorbent body includes a water-absorbent resin powder satisfying the following requirements of (a) to (d). (a) Specific surface area measured by BET multipoint method: 0.040 m2/g to 0.200 m2/g (b) Vapor blocking ratio: 0% to 0.90% (c) Absorption ratio: 30 g/g to 70 g/g (d) Water retention amount: 45 g/g to 60 g/g.
    提供一种外吸水制品,其上附有一个内吸水制品,例如一个待用的尿液吸收垫,其中外吸水制品被配置成防止其内部因从内吸水制品内部逸出的水汽凝结而湿润。[解决方案]本发明的外层吸收制品是一种具有由至少一层吸收层形成的吸收体的外层吸收制品,其中吸收体包括满足以下(a)至(d)要求的吸水性树脂粉末。(a) 用 BET 多点法测得的比表面积:0.040 m2/g 至 0.200 m2/g (b) 蒸汽阻隔率:0% 至 0.90% (c) 吸收比:30 g/g 至 70 g/g (d) 保水量:45 克/克至 60 克/克。
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