3-methylene-2,5-dioxocyclopentanecarboxylic acid | 81154-45-2

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 3-methylene-2,5-dioxocyclopentanecarboxylic acid
• 英文别名: 3-Methylidene-2,5-dioxocyclopentane-1-carboxylic acid
• CAS: 81154-45-2
• 化学式: C₇H₆O₄
• 分子量: 154.122
• InChiKey: IZOKVYZLGCWTOM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.6
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  71.4
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  3-methylene-2,5-dioxocyclopentanecarboxylic acid 在 盐酸 作用下， 反应 0.42h， 以45%的产率得到4-methylcyclopent-4-ene-1,3-dione
  参考文献：
  名称：

  Massy-Westropp, Ralph A.; Price, Martyn F., Australian Journal of Chemistry, 1981, vol. 34, # 11, p. 2369 - 2383

  摘要：

  DOI：
• 作为产物：
  描述：

  ethyl (E)-4-methyl-5-oxo-2,5-dihydrofuran-2-ylideneacetate 在 盐酸 、 potassium tert-butylate 、 sodium ethanolate 作用下， 以 乙醇 为溶剂， 反应 29.5h， 生成 3-methylene-2,5-dioxocyclopentanecarboxylic acid
  参考文献：
  名称：

  Massy-Westropp, Ralph A.; Price, Martyn F., Australian Journal of Chemistry, 1981, vol. 34, # 11, p. 2369 - 2383

  摘要：

  DOI：

文献信息

• Electrophotographic light-sensitive material
  申请人：FUJI PHOTO FILM CO., LTD.

  公开号：EP0398373A1

  公开（公告）日：1990-11-22

  An electrophotographic light-sensitive material comprising a support having thereon a photoconductive layer containing at least inorganic photoconductive particles and a binder resin, wherein the binder resin contains (A) at least one resin comprising a graft copolymer having a weight average molecular weight of from 1.0 x 103 to 2.0 x 104 and containing, as copolymer components, at least (i) a monofunctional macromonomer (M) having a weight average molecular weight of not more than-2 x 104 and containing at least one polymer component represented by formula (Ila) or (lib) shown below and at least one polymer component having at least one polar group selected from the group consisting of -COOH, -PO3H2, -S03H, -OH, and wherein R1 represents a hydrocarbon group or -OR2 (wherein R2 represents hydrocarbon group), with a polymerizable double bond group represented by formula (I) shown below being bonded to one terminal of the main chain thereof, and (ii) a monomer represented by formula (III) shown below, and (B) at least one resin having a weight average molecular weight of not less than 5 x 104, containing at least a recurring unit represented by formula (IV) shown below as a polymer component, and having a crosslinked structure wherein Xo represents -COO-, -OCO-, -CH2OCO-, -CH2COO-, -O-, -S02-, -CO-, -CONHCOO-, - CONHCONH-, -CONHS02-, or wherein R11 represents a hydrogen atom or a hydrocarbon group; a1 and a2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group, -COO-Z1, or -COO-Z1 bonded through a hydrocarbon group (wherein Z1 represents a substituted or unsubstituted hydrocarbon group. wherein X1 has the same meaning as Xo; Q1 represents an aliphatic group having from 1 to 18 carbon atoms or an aromatic group having from 6 to 12 carbon atoms; b1 and b2, which may be the same or different, each has the same meaning as a1 and a2; V represents -CN, -CONH2, or wherein Y represents a hydrogen atom, a halogen atom, a hydrocarbon group, an alkoxyl group, or -COOZ2, wherein Z2 represents an alkyl group, an aralkyl group, or an aryl group. wherein X2 has the same meaning as Xo in formula (I); Q2 has the same meaning as Q1 in formula (Ila); and C1 and C1, which may be the same or different, have the same meaning as ai and a2 in formula (I). wherein X3 represents -COO-, -OCO-, -CH20CO-, -CH2COO-, -0-, or -S02-; Q3 represents a hydrocarbon group having from 1 to 22 carbon atoms; and d1 and d2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group having from 1 to 8 carbon atoms, -COO-Z3, or -COO-Z3 bonded through a hydrocarbon group having from 1 to 8 carbon atoms, wherein Z3 represents a hydrocarbon group having from 1 to 18 carbon atoms. The electrophotographic light-sensitive material has excellent electrostatic characteristics and mechanical strength.

  一种电致发光感光材料，它包括在其上具有至少含有无机光电导颗粒的光电导层和粘结剂树脂的支撑体，其中粘结剂树脂含有 (A) 至少一种树脂，它包括接枝共聚物，其重量平均分子量为 1.0 x 103 至 2.0 x 104，且作为共聚物组分至少含有 (i) 单官能团大单体 (M)，其重量平均分子量不超过-2 x 104，且含有至少一种由下式 (Ila)或(lib)表示的聚合物组分和至少一种具有至少一个选自-COOH、-PO3H2、-S03H、-OH 和-OH 所组成的组的极性基团的聚合物组分。 其中 R1 代表烃基或-OR2（其中 R2 代表烃基），可聚合的双键基团由下式（I）表示，并键 合到其主链的一个末端，和 (ii) 由下式（III）表示的单体，和 (B) 至少一种树脂，其重量平均分子量不小于 5 x 104，至少含有一个由下式（IV）表示的复 合单元作为聚合物组分，并具有交联结构 其中 Xo 代表-COO-、-OCO-、-CH2OCO-、-CH2COO-、-O-、-S02-、-CO-、-CONHCOO-、-CONHCONH-、-CONHS02-、 或 其中 R11 代表氢原子或烃基；a1 和 a2 可以相同或不同，各自代表氢原子、卤素原子、氰基、烃基、-COO-Z1 或通过烃基键合的-COO-Z1（其中 Z1 代表取代或未取代的烃基）。 其中 X1 的含义与 Xo 相同； Q1 代表具有 1 至 18 个碳原子的脂肪族基团或具有 6 至 12 个碳原子的芳香族基团； b1 和 b2 可以相同或不同，各自的含义与 a1 和 a2 相同； V 代表-CN、-CONH2 或 Y。 其中 Y 代表氢原子、卤素原子、烃基、烷氧基或 -COOZ2，其中 Z2 代表烷基、芳基或芳基。 其中 X2 与式（I）中的 Xo 意义相同；Q2 与式（Ila）中的 Q1 意义相同；C1 和 C1（可以相同或不同）与式（I）中的 ai 和 a2 意义相同。 其中 X3 代表-COO-、-OCO-、-CH20CO-、-CH2COO-、-0-或-S02-；Q3 代表具有 1 至 22 个碳原子的烃基；以及 d1 和 d2（可以相同或不同）各自代表氢原子、卤素原子、氰基、具有 1 至 8 个碳原子的烃基、-COO-Z3 或通过具有 1 至 8 个碳原子的烃基键合的 -COO-Z3，其中 Z3 代表具有 1 至 18 个碳原子的烃基。 这种电子照相感光材料具有优异的静电特性和机械强度。
• A lithographic printing plate precursor of direct image type
  申请人：FUJI PHOTO FILM CO., LTD.

  公开号：EP0530957A1

  公开（公告）日：1993-03-10

  A lithographic printing plate precursor of direct image type, adequately prevented from occurrence of background stains and having excellent printing durability is provided, comprising a base and an image receptive layer provided on the base, in which the image receptive layer contains at least one of the following non-aqueous solvent-dispersed resin grains:    Non-aqueous solvent-dispersed resin grains    Polymer resin grains obtained by (1) subjecting to dispersion polymerization reaction in a non-aqueous solvent, a monofunctional monomer (A) being soluble in the non-aqueous solvent but insoluble after polymerization and containing at least one functional group capable of producing at least one polar group through decomposition and a monofunctional polymer [M] comprising a polymer principal chain containing at least recurring units each containing a silicon atom and/or fluorine atom-containing substituent, to only one end of which a polymerizable double bond group represented by the following General Formula (I) is bonded: wherein V₀ is -O-, -COO-, -OCO-, -CH₂OCO-, -CH₂COO-, -SO₂-, CONCHCOO- or CONHCONH-, (R₁ is a hydrogen atom or a hydrocarbon group containing 1 to 18 carbon atoms), and a₁ and a₂ are, same or different, hydrogen atoms, halogen atoms, cyano groups, hydrocarbon groups, -COO-R₂ or -COO-R₂ via a hydrocarbon group (R₂ is a hydrogen atom or optionally substituted hydrocarbon group).

  本发明提供了一种可充分防止出现背景污点并具有出色印刷耐久性的直接成像型平版印刷板原版，它包括基底和设置在基底上的图像接收层，其中图像接收层包含以下至少一种非水溶剂分散树脂颗粒： 非水溶剂分散树脂颗粒 通过以下方法获得的聚合物树脂颗粒： (1) 在非水溶剂中进行分散聚合反应、可溶于非水溶剂但聚合后不溶的单官能团单体(A)，它含有至少一个官能团，该官能团能通过分解产生至少一个极性基团，以及单官能团聚合物[M]，该聚合物主链含有至少重复单元，每个单元含有一个硅原子和/或含氟原子的取代基，仅在其一端键合有由下通式(I)表示的可聚合双键基团： 其中 V₀ 是-O-、-COO-、-OCO-、-CH₂OCO-、-CH₂COO-、-SO₂-、 CONCHCOO- 或 CONHCONH-，（R₁ 是氢原子或含有 1 至 18 个碳原子的烃基），且 a₁ 和 a₂ 是相同或不同的氢原子、卤素原子、氰基、烃基、-COO-R₂ 或通过烃基的 -COO-R₂（R₂ 是氢原子或任选取代的烃基）。
• Pigment dispersant for non-aqueous solvent, ink composition for ink-jet system, and electrophotographic liquid developer
  申请人：Fuji Photo Film Co., Ltd.

  公开号：EP1493783A1

  公开（公告）日：2005-01-05

  A pigment dispersant for non-aqueous solvent, which is soluble in a non-aqueous solvent and comprises a silicone graft copolymer comprising a repeating unit derived from a macromonomer soluble in a non-aqueous solvent and a repeating unit derived from a monomer, which is copolymerizable with the macromonomer and forms a non-aqueous solvent-insoluble backbone of the silicone graft copolymer, wherein the macromonomer is a silicone macromonomer (M) having a polymerizable functional group at the terminal thereof.

  一种用于非水溶剂的颜料分散剂，可溶于非水溶剂，由有机硅接枝共聚物组成，有机硅接枝共聚物包含一个由可溶于非水溶剂的大单体衍生的重复单元和一个由单体衍生的重复单元，单体可与大单体共聚，并形成有机硅接枝共聚物的非水溶剂不溶性骨架，其中大单体为有机硅大单体（M），其末端具有可聚合的官能团。
• US5084367A
  申请人：——

  公开号：US5084367A

  公开（公告）日：1992-01-28
• US5110701A
  申请人：——

  公开号：US5110701A

  公开（公告）日：1992-05-05