(Z)-2-Mercapto-3-phenyl-acrylic acid methyl ester | 98051-27-5

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 肉桂酸及其衍生物
• 英文名称: (Z)-2-Mercapto-3-phenyl-acrylic acid methyl ester
• 英文别名: methyl (Z)-3-phenyl-2-sulfanylprop-2-enoate
• CAS: 98051-27-5
• 化学式: C₁₀H₁₀O₂S
• 分子量: 194.254
• InChiKey: ZTAMCPKHUCBPGA-CLFYSBASSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.13
• 重原子数：
  13.0
• 可旋转键数：
  2.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.1
• 拓扑面积：
  26.3
• 氢给体数：
  1.0
• 氢受体数：
  3.0

反应信息

• 作为反应物：
  描述：

  (Z)-2-Mercapto-3-phenyl-acrylic acid methyl ester 、 碘甲烷 在 lithium diisopropyl amide 作用下， 生成 α-Methylthiozimtsaeuremethylester
  参考文献：
  名称：

  Synthesis of .alpha.-carbalkoxy ene thiols: a class of tautomeric thiopyruvate derivatives. Application to griseoviridin

  摘要：

  DOI：

  10.1021/jo00219a064
• 作为产物：
  描述：

  4-(Hydroxy-phenyl-methyl)-2,2-dimethyl-[1,3]oxathiolan-5-one 在 sodium methylate 、 甲基磺酰氯 、 1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下， 以 甲醇 为溶剂， 生成 (Z)-2-Mercapto-3-phenyl-acrylic acid methyl ester
  参考文献：
  名称：

  Synthesis of .alpha.-carbalkoxy ene thiols: a class of tautomeric thiopyruvate derivatives. Application to griseoviridin

  摘要：

  DOI：

  10.1021/jo00219a064

文献信息

• Improved dispersant additives derived from amido-amine adducts
  申请人：EXXON CHEMICAL PATENTS INC.

  公开号：EP0336664A2

  公开（公告）日：1989-10-11

  The present invention is directed to a lactone modified dispersant additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from about 1 to 4) dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: wherein X is sulfur or oxygen, Y is -OR4, -SR4, or -NR4(RS), and R1, R2, R3, R4 and R5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl, and a Cs - C9 lactone material.

  本发明涉及一种内酯改性分散剂添加剂，该添加剂包含至少一种以下物质的加合物：(A) 平均分子量为 300 至 10,000 的聚烯烃，每个聚烯烃分子至少有 0.3 个(例如约 1 至 4 个)产生二羧酸的分子(最好是酸或酸酐分子)被取代；(B) 氨基胺或硫代氨基胺，其特征在于至少是一种多胺和一种α、β-不饱和化合物的反应产物： 其中X是硫或氧，Y是-OR4、-SR4或-NR4(RS)，R1、R2、R3、R4和R5相同或不同，是氢或取代或未取代的烃基，以及Cs-C9内酯材料。
• Improved branched amido-amine dispersant additives
  申请人：EXXON CHEMICAL PATENTS INC.

  公开号：EP0400864A2

  公开（公告）日：1990-12-05

  The present invention is directed to branched amido-amine dispersant additives useful in oleaginous compositions formed by (a) reacting a first nitrogen-containing compound (e. g., ammonia or an organic amine) with an alpha, beta-unsaturated compound of the formula: wherein W¹ is sulfur or oxygen, Y is -OR⁴, -SR⁴, or -NR⁴(R⁵), and R¹, R², R³, R⁴ and R⁵ are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl, to form a first adduct containing unreacted -C(W¹)-Y groups; (b) reacting the first adduct with a polyamine (e.g., a polyalkylene polyamine) to form a second adduct containing unreacted -NH- groups (preferably primary amine groups) and comprising a branched amido-amine oligomer; and (c) reacting the second adduct with a long chain hydrocarbyl substituted mono- or dicarboxylic acid material comprising a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 mono- or dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule.

  本发明涉及可用于含油组合物的支链胺基分散剂添加剂，该添加剂通过 (a) 使第一含氮化合物（例如，氨或有机胺）与式中的α，β-不饱和化合物反应而 形成： 其中 W¹ 是硫或氧，Y 是 -OR⁴、-SR⁴ 或 -NR⁴(R⁵)，以及 R¹、R²、R³、R⁴ 和 R⁵ 是相同或不同的且是氢或取代或未取代的烃基，以形成含有未反应的 -C(W¹)-Y 基团的第一加合物g.,(c) 将第二加合物与长链烃基取代的单羧酸或二羧酸材料反应，长链烃基取代的 单羧酸或二羧酸材料包括平均分子量为 300 至 10,000 的聚烯烃，每个聚烯烃 分子至少有 0.3 个产生单羧酸或二羧酸的分子（最好是酸或酸酐分子）。
• Improved viscosity stable multifunctional viscosity index modifier additives derived from amido amines
  申请人：EXXON CHEMICAL PATENTS INC.

  公开号：EP0400865A1

  公开（公告）日：1990-12-05

  The present invention is directed to a composition of matter useful as a multifunctional viscosity improver-dispersant for oleaginous compositions, particularly lubricating oil compositions, comprising at least one adduct or reaction product of (A) ethylene copolymer, preferably ethylene propylene copolymer of at least 15,000 number average molecular weight grafted with monounsaturated mono- or dicarboxylic acid material; (B) amido-amine or thioamido-amine comprising reaction product of at least one amine, preferably polyamine, and an alpha, beta-unsaturated compound represented by the formula wherein X is sulfur or oxygen, Y is -OR⁴, -SR4, or and R¹, R², R³, R⁴ and R⁵ are independently selected from hydrogen, hydrocarbyl, and substituted hydrocarbyl, and (D) viscosity stabilizing effective amount of C₁₂ to about C₁₈ hydrocarbyl substituted dicar­boxylic anhydride. The present invention is also directed to oleaginous compositions and concentrates, particularly lubricating oil compositions and concentrates, containing said adduct whereby said compositions exhibit improved viscosity stability for extended periods of time.

  本发明涉及一种物质组合物，可用作油性组合物，特别是润滑油组合物的多功能粘度改进剂-分散剂，该物质组合物包含至少一种加合物或反应产物，这些加合物或反应产物是：(A)乙烯共聚物，最好是与单不饱和单羧酸或二羧酸材料接枝的平均分子量至少为15000的乙烯-丙烯共聚物；(B) 氨基胺或硫代氨基胺，包括至少一种胺（最好是多胺）与α、β-不饱和 化合物的反应产物，该化合物由以下式子表示 其中 X 是硫或氧，Y 是 -OR⁴、-SR4 或 和 R¹、R²、R³、R⁴ 和 R⁵ 独立地选自氢、烃基和取代的烃基；和 (D) 粘度稳定有效量的 C₁₂ 至约 C₁₈ 烃基取代的二羧酸酐。本发明还涉及含有所述加合物的含油组合物和浓缩物，特别是润滑油组合物和浓缩物，其中所述组合物在较长时间内表现出更好的粘度稳定性。
• Improved high molecular weight dispersant additives
  申请人：EXXON CHEMICAL PATENTS INC.

  公开号：EP0400869A2

  公开（公告）日：1990-12-05

  The present invention is directed to improved oil soluble dispersant materials which comprise members selected from the group consisting of oil soluble salts, amides, imides, oxazolines, or mixtures thereof, of polyolefin-substituted mono and dicarboxylic acids or their anhydrides covered as per claim 1 wherein the polyolefin is characterized by number average molecular weight of from about 1,500 to 2,500 and a molecular weight distribution of less than about 3.0, and wherein the dispersant additive contains within its structure an average of from 0.7 to 1.3 mono- or dicarboxylic acid producing moieties (preferably acid or anhydride moieties) covered as per claim 1 per polyolefin molecule, and wherein the dispersant material contains from 0.5 to 4 equivalents of secondary amine groups per equivalent of the mono- or dicarboxylic acid producing moieties per molecule, with the proviso that the dispersant material is further characterized by a Z factor of from 4,000 to ,6,000, wherein the Z factor is determined by the expression:wherein [N] is the total nitrogen content of the dispersant material expressed in wt% and Mn is the polyolefin number average molecular weight.

  本发明是关于改进的油溶性分散剂材料，它包括选自由权利要求 1 所述的聚烯烃取代的单羧酸和二羧酸或它们的酸酐的油溶性盐、酰胺、亚胺、噁唑啉或它们的混合物组成的组，其中聚烯烃的特征是数均分子量约为 1,500 至 2,500 和分子量分布小于约 3.0，其中分散剂添加剂在其结构中平均含有 0.7 至 1.3 个按权利要求 1 所述的产生单羧酸或二羧酸的分子（优选酸或酸酐分子），其中每 个聚烯烃分子含有 0.5 至 4 个当量的仲胺基团，但分散剂材料的进一步特征是 Z 系数为 4,000 至 6,000 ，其中 Z 系数由以下表达式确定：其中 [N] 是分散剂材料的总氮含量，以重量％表示，Mn 是聚烯烃的平均分子量。
• AMIDO AMINE ASHLESS DISPERSANTS
  申请人：EXXON CHEMICAL PATENTS INC.

  公开号：EP0540534A1

  公开（公告）日：1993-05-12