Acrylamido-methylpropane sulphonic acid

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 有机磺酸及其衍生物
• 英文名称: Acrylamido-methylpropane sulphonic acid
• 英文别名: 2-(prop-2-enoylamino)butane-2-sulfonic acid
• 化学式: C₇H₁₃NO₄S
• 分子量: 207.25
• InChiKey: QNIRRHUUOQAEPB-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.3
• 重原子数：
  13
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.57
• 拓扑面积：
  91.8
• 氢给体数：
  2
• 氢受体数：
  4

文献信息

• Novel inverse latices of copolymers of AMPS and of N,N-dimethylacrylamide; cosmetic use
  申请人：Braun Olivier

  公开号：US20060269490A1

  公开（公告）日：2006-11-30

  Composition including an oil phase, an aqueous phase, at least one emulsifying system of water-in-oil (W/O) type, optionally at least one emulsifying system of oil-in-water (O/W) type, in the form of an inverse latex including from 20% to 70% by mass and preferably from 25% to 50% by mass of a branched or crosslinked polyelectrolyte, characterized in that the polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with N,N-dimethylacrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and neutral monomers. Cosmetic use.

  包括油相、水相、至少一种水包油（W/O）型乳化系统、可选地至少一种油包水（O/W）型乳化系统的组合物，呈逆乳胶形式，包括质量百分含量为20%至70%，优选为25%至50%的支化或交联聚电解质，其特征在于聚电解质是2-丙烯酰胺基-2-甲基丙烯磺酸与N,N-二甲基丙烯酰胺部分或完全盐化的共聚物，可选地还包括从含部分或完全盐化弱酸功能的单体和中性单体中选择的一个或多个单体。用于化妆品。
• Structure having balanced pH profile
  申请人：Wallajapet Raj Ramaswami Palani

  公开号：US20060135641A1

  公开（公告）日：2006-06-22

  Disclosed is an absorbent structure comprising an acidic or basic water-swellable, water-insoluble polymer, a basic or acidic second material, and, optionally, a buffering agent, wherein the absorbent structure exhibits desirable absorbent properties. Specifically, the present invention relates to an absorbent structure having the ability to absorb a large quantity of liquid while maintaining a substantially desired and balanced pH profile on or along the upper surface of the absorbent structure. The absorbent structure is useful in disposable absorbent products, such as those disposable absorbent products that are used to absorb body liquid.

  揭示了一种吸收结构，包括酸性或碱性的水膨胀、水不溶性聚合物，一种碱性或酸性的第二材料，以及可选的缓冲剂，其中该吸收结构表现出理想的吸收性能。具体而言，本发明涉及一种吸收结构，具有吸收大量液体的能力，同时在吸收结构的上表面或沿着上表面保持基本理想和平衡的pH值。该吸收结构适用于一次性吸收性产品，例如用于吸收体液的一次性吸收性产品。
• METHOD FOR PRODUCING A RADIOACTIVE TRACER
  申请人：Perollier Céline

  公开号：US20130053607A1

  公开（公告）日：2013-02-28

  A method for preparing a radioactive tracer provided with a radioactive fluorine isotope, including providing a precursor of the radioactive tracer, comprising at least one leaving group completely or partially formed by a labelling entity, wherein said leaving group can be moved by a fluoride ion, providing a molecularly imprinted polymer dedicated to the molecular recognition of at least the aforementioned labelling entity, exposing the precursor to a radioactive fluoride ion source under conditions suitable for movement of the leaving group by a radioactive fluoride ion, placing the mixture resulting from step (iii) in contact with the molecularly imprinted polymer under conditions suitable for the recognition of the labelling entity, and obtaining a solution containing the radioactive tracer provided with a radioactive isotope of fluorine obtained at the end of step (iii).

  一种制备具有放射性氟同位素的放射性示踪剂的方法，包括提供放射性示踪剂的前体，包括至少一个由标记实体完全或部分形成的离去基团，其中所述离去基团可以被氟离子移动，提供专门用于分子识别至少上述标记实体的分子印迹聚合物，将前体置于适宜于通过放射性氟离子移动离去基团的条件下的放射性氟离子源中，将步骤（iii）产生的混合物与分子印迹聚合物接触，在适宜于识别标记实体的条件下，获得含有放射性氟同位素的放射性示踪剂的溶液，该溶液是在步骤（iii）结束时获得的。
• KIT USEFUL FOR DETECTING, SEPARATING AND/OR CHARACTERIZING A MOLECULE OF INTEREST
  申请人：Le Foll Alexandra

  公开号：US20110263446A1

  公开（公告）日：2011-10-27

  A kit for separating and/or characterizing at least one molecule A of interest, the kit including: (i) a compound having the general formula: B—(R) n —Z in which: B represents a hydrogen atom or a detectable labeling entity; R represents a C 1 -C 10000 hydrocarbon unit which may be polymeric or non-polymeric and optionally incorporates one or more heteroatoms, chosen from N, O, S, Br, Cl, F, P, B, Si and/or one or more metals; n represents 0 or 1, with n being equal to 1 when B represents a hydrogen atom; and Z represents a functional group capable of reacting in a click chemistry reaction in order to form a linking function L click ; and (ii) a molecularly imprinted polymer dedicated to the molecular recognition of at least said linking function L click .

  一个用于分离和/或表征至少一种感兴趣的分子A的试剂盒，该试剂盒包括：(i) 具有一般公式的化合物：B—(R)n—Z，其中：B代表氢原子或可检测的标记实体；R代表C1-C10000碳氢化合物单元，可以是聚合物或非聚合物，并且可以选择性地包含一个或多个异原子，选自N、O、S、Br、Cl、F、P、B、Si和/或一个或多个金属；n表示0或1，当B代表氢原子时，n等于1；Z代表能够在点击化学反应中发生反应以形成连接功能Lclick的官能团；以及(ii) 专门用于分子识别至少所述连接功能Lclick的分子印迹聚合物。
• NOVEL ESTERS OF N-ACYL DERIVATIVES OF AMINO ACIDS AND DIOLS, METHOD FOR PREPARING SAME, AND USE THEREOF IN COSMETICS AND AS A DRUG
  申请人：SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPIC

  公开号：US20140288144A1

  公开（公告）日：2014-09-25

  A compound of formula (I): R′—O-A-O—R″″, in which R′ and R″ are a hydrogen atom or a monovalent radical of formula (IIa), or a monovalent radical of formula (IIb), it being understood that at least one of the radicals R′ or R″ is not a hydrogen atom and that, when none of the radicals R′ and R″ is a hydrogen atom, R′ and R″ are identical, and in which A is a divalent radical of formula (III): —CH(X1)-[C(X2)(X3)]p-CH(X4) in which X1, X2, X3 and X4 are identical or different and are either a hydrogen atom or a methyl radical or an ethyl radical, and p is an integer greater than or equal to 1 and less than or equal to 6. Also the method for preparing the compound of formula (I) and to the use thereof in cosmetics and as a drug.

  一种化合物的化学式（I）：R′—O-A-O—R″″，其中R′和R″是氢原子或化学式（IIa）的一价基团，或化学式（IIb）的一价基团，至少其中一个基团R′或R″不是氢原子，并且当R′和R″均不是氢原子时，它们相同，其中A是化学式（III）的二价基团：—CH(X1)-[C(X2)(X3)]p-CH(X4)，其中X1、X2、X3和X4相同或不同，可以是氢原子、甲基基团或乙基基团，p是大于或等于1且小于或等于6的整数。还涉及制备化学式（I）的化合物的方法以及在化妆品和药物中的用途。