cis-γ-methyl-aconitic acid | 52609-43-5

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: cis-γ-methyl-aconitic acid
• 英文别名: cis-γ-Methyl-aconitsaeure；But-ene-1,2,3-tricarboxylic acid；(Z)-but-1-ene-1,2,3-tricarboxylic acid
• CAS: 52609-43-5
• 化学式: C₇H₈O₆
• 分子量: 188.137
• InChiKey: SITMRCOSBIXOML-RQOWECAXSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.4
• 重原子数：
  13
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  112
• 氢给体数：
  3
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  盐酸 、 cis-γ-methyl-aconitic acid 生成 but-1-ene-1,2,3-tricarboxylic acid
  参考文献：
  名称：

  137.二氢间苯二酚。第一部分：取代的二氢间苯二酚的烷基化

  摘要：

  DOI：

  10.1039/jr9320001079
• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 水 作用下， 生成 cis-γ-methyl-aconitic acid
  参考文献：
  名称：

  137.二氢间苯二酚。第一部分：取代的二氢间苯二酚的烷基化

  摘要：

  DOI：

  10.1039/jr9320001079

文献信息

• Methods that introduce variations in color density into dyed cellulosic fabrics
  申请人：ECOLAB INC.

  公开号：EP0307564A2

  公开（公告）日：1989-03-22

  The removal of dye in localised areas of a dyed cellulosic fabric is accomplished by contacting the fabric with a composition containing water, a cellulase enzyme and an enzyme compatible surfactant, under agitation.

  将染色纤维素织物与含有水、纤维素酶和酶兼容表面活性剂的组合物搅拌接触，可去除织物局部区域的染料。
• Formaldehyde-free emulsion polymer dispersion composition including fully hydrolyzed polyvinyl alcohol as colloidal stabilizer provding improved heat resistance
  申请人：Wacker Chemical Corporation

  公开号：EP2000485A1

  公开（公告）日：2008-12-10

  The invention relates to the use of (meth)acrylic acid amide(s) as comonomer(s) (b) for providing improved heat resistance by a formaldehyde-free aqueous polymer dispersion obtained by emulsion copolymerization of at least (a) vinyl ester monomer(s) and (b) comonomer(s) comprising said acrylic and/or methacrylic amide(s) derivatives in the presence of at least (c) fully hydrolyzed polyvinyl alcohol (PVOH), having an average degree of hydrolysis above 95.00 mol%, wherein the polymerization does not comprise comonomers derived from N-alkylol(meth)acrylic acid amides, and wherein the heat resistance, measured as WATT 91 value according to DIN EN 14257, is larger than the heat resistance obtained without using acrylic and/or methacrylic amide(s) derivatives (b). The invention further relates to formaldehyde-free aqueous polymer dispersions obtainable by emulsion copolymerization of vinyl ester monomer(s) (a) in the presence of fully hydrolyzed polyvinyl alcohol (PVOH) (c), using comonomer(s) (b), the comonomer(s) (b) comprising (meth)acrylic acid amide(s) for obtaining a formaldehyde-free aqueous polymer dispersion providing improved heat resistance, measured as WATT 91 value according to DIN EN 14257 according to any one of claims 1 to 10, comprising 2 to less than 12 wt.%, based on total used monomer, of fully hydrolyzed polyvinyl alcohol (PVOH) (c), wherein the fully hydrolyzed PVOH has an average degree of hydrolysis above 98.00 mol% up to 99.95 mol%, wherein the polymerization does not comprise comonomers derived from N-alkylol(meth)acrylic acid amides, wherein the polymerization does not involve partially hydrolyzed PVOH having an average degree of hydrolysis up to 95 mol%, the polymer dispersion providing - a water resistance, measured as D3/3 value of a wood bond according to DIN EN 204/205 of D3/3 of at least 1.5 N/mm2, - a heat resistance measured as WATT 91 value of a wood bond according to DIN EN 14257 of at least 6 N/mm2 and a process for providing such aqueous polymer dispersions.

  本发明涉及使用(甲基)丙烯酸酰胺作为共聚单体(b)，通过乳液共聚得到的不含甲醛的水性聚合物分散体提供更好的耐热性，该分散体至少由以下单体组成 (a) 乙烯基酯单体和 (b) 由上述丙烯酸和/或甲基丙烯酸酰胺衍生物组成的共聚单体，在至少有以下物质存在的情况下，通过乳液共聚得到的不含甲醛的含水聚合物分散体，可提供更好的耐热性能 (c) 完全水解的聚乙烯醇 (PVOH)，其平均水解度高于 95.00 摩尔%、 其中聚合反应不包括来自 N-烷基醇（甲基）丙烯酸酰胺的共聚单体、 根据 DIN EN 14257 标准，以 WATT 91 值测量的耐热性大于不使用丙烯酸和/或甲基丙烯酸酰胺衍生物 (b) 时的耐热性。 本发明还涉及乙烯基酯单体（a）在完全水解的聚乙烯醇（PVOH）（c）存在下，利用共聚单体（b）进行乳液共聚而得到的无甲醛水性聚合物分散体、共聚单体(b)包括(甲基)丙烯酸酰胺，用于获得无甲醛水性聚合物分散体，该分散体具有更好的耐热性，根据 DIN EN 14257，按权利要求 1 至 10 中任一项的 WATT 91 值测量，包括 完全水解的聚乙烯醇 (PVOH) (c)，以所用单体总量为基准，含量为 2 至小于 12 wt.%、 其中完全水解的 PVOH 的平均水解度高于 98.00 mol%，最高可达 99.95 mol%、 其中聚合反应不包括由 N-烷基醇（甲基）丙烯酸酰胺衍生的共聚单体、 聚合反应不涉及平均水解度不超过 95 摩尔%的部分水解 PVOH、 聚合物分散体具有 - 耐水性，根据 DIN EN 204/205 木材粘合剂的 D3/3 值，D3/3 至少为 1.5 N/mm2、 - 根据 DIN EN 14257 标准，以木材粘合剂的 WATT 91 值衡量，耐热性至少为 6 N/mm2。
• Compositions of acid macromonomers and their method of preparation
  申请人：——

  公开号：US20040072978A1

  公开（公告）日：2004-04-15

  The invention relates to a composition comprising: a) an acid monomer or oligomer of acrylic acid or of an acid derivative of acrylic acid or mixtures thereof; or a mixture of an ethylenically unsaturated monomer or oligomer and an acid monomer or oligomer of acrylic acid or of an acid derivative of acrylic acid; b) at least one radical initiator which forms a radical upon heating or upon irradiation with (UV) light in the range from 305 nm to 450 nm; and c) a compound of the formulae (I), (Ib) or (Ic) wherein Y represents a group that activates nucleophilic addition reactions at the adjacent double bond; X represents halogen or the anion of an aliphatic or aromatic monocarboxylic or dicarboxylic acid of 1-12 carbon atoms, of a monovalent or divalent oxo acid or of a complex acid; n represents 0 or 1; R 1 , R 2 , R 3 independently of one another represent hydrogen, C 1 -C 18 alkyl, C 3 -C 18 alkyl interrupted by at least one nitrogen or oxygen atom, C 3 -C 18 alkenyl, C 3 -C 18 alkynyl, C 7 -C 9 phenylalkyl, C 3 -C 12 cycloalkyl and C 3 -C 12 cycloalkyl containing at least one nitrogen or oxygen atom, which are substituted with at least one substituent selected from the group consisting of NO 2 , halogen, amino, hydroxy, cyano, carboxy, C 1 -C 4 alkoxy, C 1 C 4 alkylthio, C 1 C 4 alkylamino, di(C 1 -C 4 alkyl)amino and —O—C(═O)— C 1 C 18 alkyl; or phenyl or naphthyl or phenyl and naphthyl substituted with at least one substituent selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 1 C 4 alkylthio, halogen, cyano, hydroxy, carboxy, C 1 -C 4 alkylamino and di)C 1 -C 4 alkyl)amino; or R 1 and R 2 together with the linking N, P or S-heteroatoms form a C 3 -C 12 heteroycloalkyl radical; or R 1 and R 2 together form the groups: (Id); or (Ie) R 1 , R 2 and R 3 together form the groups (If) or (Ig). The invention relates also to acid macromomers and to their method of preparation by radically initiated polymerisation.

  本发明涉及一种组合物，其中包括a) 丙烯酸或丙烯酸酸衍生物或其混合物的酸单体或低聚物；或乙烯基不饱和单体或低聚物与丙烯酸或丙烯酸酸衍生物的酸单体或低聚物的混合物； b) 至少一种自由基引发剂，该引发剂在加热或用 305 纳米至 450 纳米的紫外线照射时形成自由基；其中 Y 代表在相邻双键处激活亲核加成反应的基团；X 代表卤素或 1-12 碳原子的脂肪族或芳香族单羧酸或二羧酸、一价或二价羰基酸或络合酸的阴离子；n 代表 0 或 1；R1 代表 0 或 1；R2 代表 0 或 1；R3 代表 0 或 1；R4 代表 0 或 1；R5 代表 0 或 1；R6 代表 0 或 1；R7 代表 0 或 1；R8 代表 0 或 1；R9 代表 0 或 1；R10 代表 0 或 1；R11 代表 0 或 1；R12 代表 0 或 1。 1 , R 2 , R 3 分别代表氢、C 1 -C 18 烷基、C 3 -C 18 被至少一个氮原子或氧原子打断的烷基，C 3 -C 18 烯基、C 3 -C 18 炔基，C 7 -C 9 苯基烷基，C 3 -C 12 环烷基和 C 3 -C 12 含有至少一个氮原子或氧原子的环烷基，其至少被一个取代基取代，该取代基选 自以下组成的组 2 、卤素、氨基、羟基、氰基、羧基、C 1 -C 4 烷氧基、C 1 C 4 烷硫基、C 1 C 4 烷基氨基，二(C 1 -C 4 烷基）氨基和-O-C（═O）- C 1 C 18 烷基；或苯基或萘基，或被至少一个选自以下组别的取代基取代的苯基和萘基 1 -C 4 烷基、C 1 -C 4 烷氧基、C 1 C 4 烷硫基、卤素、氰基、羟基、羧基、C 1 -C 4 烷基氨基和二)C 1 -C 4 烷基)氨基；或 R 1 和 R 2 与连接的 N、P 或 S 杂原子一起形成一个 C 3 -C 12 杂环烷基；或 R 1 和 R 2 共同组成以下基团： (Id)；或 (Ie) R 1 , R 2 和 R 3 共同形成基团 (If) 或 (Ig)。本发明还涉及酸性大分子及其通过激元引发聚合反应的制备方法。
• Aqueous dispersions of inorganic particles
  申请人：IMPERIAL CHEMICAL INDUSTRIES PLC

  公开号：EP0398487B1

  公开（公告）日：1994-03-23
• ACID MACROMONOMERS AND THEIR METHOD OF PREPARATION
  申请人：Ciba Specialty Chemicals Holding Inc.

  公开号：EP1392736A2

  公开（公告）日：2004-03-03