4-[[2-(甲基丙烯酰氧基)乙基]二甲基铵基]丁烷-1-磺酸盐 | 6613-65-6

• 中文名称: 4-[[2-(甲基丙烯酰氧基)乙基]二甲基铵基]丁烷-1-磺酸盐
• 英文名称: 4-{[2-(methacryloyloxy)ethyl]dimethylammonio}butane-1-sulfonate
• 英文别名: 4-[[2-(Methacryloyloxy)ethyl]dimethylammonio]butane-1-sulfonate；4-[dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azaniumyl]butane-1-sulfonate
• CAS: 6613-65-6
• 化学式: C₁₂H₂₃NO₅S
• 分子量: 293.384
• InChiKey: GPVILMAFGAKQPP-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.7
• 重原子数：
  19
• 可旋转键数：
  9
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  91.9
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  4-bromo-N-(2-hydroxyethyl)-N,N-dimethylbutane-1-ammonium bromide 在 对苯二酚 、 sodium sulfite 作用下， 以 水 为溶剂， 反应 72.5h， 生成 4-[[2-(甲基丙烯酰氧基)乙基]二甲基铵基]丁烷-1-磺酸盐
  参考文献：
  名称：

  不同电荷距离的甲基丙烯酸磺基甜菜碱合成路线

  摘要：

  描述了一种通用的合成策略，可以从市售前体开始访问新的磺基甜菜碱甲基丙烯酸酯库。三步程序允许通过在第一步中选择相应的二溴烷烃来改变季胺和磺酸盐基团之间的距离（内电荷距离）。一个关键步骤是最终的酯化，其中甲基丙烯酸作为溶剂和两性离子羟基中间体的试剂。因此，可以合成在正电荷和负电荷之间具有多达十二个亚甲基的单体前体。这些单体的选择已经成功地测试了它们使用自由基聚合进行聚合的能力。

  DOI：

  10.1002/ejoc.201402734

文献信息

• HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID
  申请人：S.P.C.M. SA

  公开号：US20200031765A1

  公开（公告）日：2020-01-30

  The present invention relates to a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having a 2-theta powder X-ray diffraction diagram comprising peaks at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° degrees (+/−0.1°). The present invention also relates to a production method for this form of 2-acrylamido-2-methylpropane sulfonic acid and a preparation method for an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulfonic acid, and the (co)polymer of this form of -acrylamido-2-methylpropane sulfonic acid.

  本发明涉及一种2-丙烯酰胺-2-甲基丙磺酸的水合晶体形式，其2-theta粉末X射线衍射图包含在10.58°、11.2°、12.65°、13.66°、16.28°、18.45°、20°、20.4°、22.5°、25.5°、25.88°、26.47°、28.52°、30.28°、30.8°、34.09°、38.19°、40.69°、41.82°、43.74°、46.04°度（±0.1°）处的峰。本发明还涉及这种形式的2-丙烯酰胺-2-甲基丙磺酸的生产方法，以及这种形式的2-丙烯酰胺-2-甲基丙磺酸盐的水溶液A的制备方法，以及这种形式的-丙烯酰胺-2-甲基丙磺酸的（共）聚合物。
• PURIFICATION AGENT FOR SUGAR CHAIN OR GLYCOPEPTIDE, AND USE THEREOF
  申请人：Sumitomo Bakelite Co., Ltd.

  公开号：EP3650456A1

  公开（公告）日：2020-05-13

  A purification agent which includes a compound having a betaine structure, and which is for a sugar chain having a length equal to or longer than that of a monosaccharide or for a glycopeptide having a sugar chain having a length equal to or longer than that of a monosaccharide.

  一种提纯剂，其中包括一种具有甜菜碱结构的化合物，用于提纯长度等于或长于单糖的糖链，或用于提纯糖链长度等于或长于单糖的糖肽。
• COMPOSITION FOR OIL AND GAS RECOVERY
  申请人：S.P.C.M. SA

  公开号：EP3770232A1

  公开（公告）日：2021-01-27

  The invention relates to a composition for preparing injection fluid in oil and gas recovery comprising an inverse emulsion of a water-soluble polymer A comprising acrylamide monomer units, and solid particles of a water-soluble polymer, wherein water-soluble polymer B is obtained by a polymerization step of at least acrylamide and 1 and 15 mol% of acrylamido tertiary butyl sulfonic acid (ATBS), and/or salts thereof, and a subsequent post treatment step of the resulting polymer. The invention also relates to a method of treating a portion of subterranean formation comprising providing the composition, preparing an injection fluid with at least the composition, and introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.

  本发明涉及一种用于制备油气采收注入流体的组合物，该组合物包括由丙烯酰胺单体单元组成的水溶性聚合物A的逆乳液和水溶性聚合物的固体颗粒，其中水溶性聚合物B是通过至少丙烯酰胺和1-15摩尔％的丙烯酰胺基叔丁基磺酸（ATBS）和/或其盐的聚合步骤以及所得聚合物的后续后处理步骤获得的。本发明还涉及一种处理部分地下地层的方法，包括提供该组合物，制备至少含有该组合物的注入流体，并将注入流体引入部分地下地层。该组合物特别适用于在压裂作业中制备压裂液。
• METHOD, KIT, AND DEVICE FOR PREPARING GLYCAN FROM GLYCOPROTEIN
  申请人：NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

  公开号：EP3896074A1

  公开（公告）日：2021-10-20

  Provided are a method for preparing a glycan from a glycoprotein, and a kit and a device for preparing a glycan from a glycoprotein. The method includes (I) a step of obtaining a glycan-containing sample by bringing a glycan releasing solution that contains a hydroxylamine compound and a basic reagent into contact with the glycoprotein and releasing the glycan from the glycoprotein; (II) a step of adsorbing a glycan having a length of a monosaccharide or more on a purifying agent for purifying the glycan by bringing the glycan-containing sample into contact with the purifying agent, which is composed of a compound having a betaine structure; and (III) a step of eluting the glycan from the purifying agent.

  本发明提供了一种从糖蛋白中制备聚糖的方法，以及一种从糖蛋白中制备聚糖的试剂盒和装置。该方法包括 (I) 通过使含有羟胺化合物和碱性试剂的聚糖释放溶液与糖蛋白接触并从糖蛋白中释放聚糖，从而获得含聚糖样品的步骤；(III) 从纯化剂中洗脱聚糖。
• NEW POLYMER COMPOSITION FOR OIL AND GAS RECOVERY
  申请人：SPCM SA

  公开号：EP4019606A2

  公开（公告）日：2022-06-29

  A composition for preparing an injection fluid in oil and gas recovery comprising an inverse emulsion of a water-soluble polymer A comprising cationic monomer units, and solid particles of a water-soluble polymer B comprising cationic monomer units, and wherein water-soluble polymer A comprises between 10 and 40 mol% of a cationic monomer units based on the total amount of monomer units; and wherein the cationicity in mol% of polymer A is superior or equal to the cationicity in mol% of polymer B. Method of treating a portion of subterranean formation comprising providing said composition, preparing an injection fluid with at least said composition, introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.

  一种用于制备油气采收注入流体的组合物，该组合物包含由阳离子单体单元组成的水溶性聚合物A的逆乳液和由阳离子单体单元组成的水溶性聚合物B的固体颗粒，其中水溶性聚合物A包含基于单体单元总量的10至40摩尔％的阳离子单体单元；聚合物A的阳离子度（以摩尔％计）优于或等于聚合物B的阳离子度（以摩尔％计）。处理部分地下地层的方法，包括提供所述组合物，用至少所述组合物制备注入流体，将注入流体引入部分地下地层。该组合物特别适用于在压裂作业中制备压裂液。