methacrylic acid acetate | 76392-13-7

• 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: methacrylic acid acetate
• 英文别名: Acetylmethacrylat；Essigsaeure-methacrylsaeureanhydrid；acetyl methacrylate；Acetic acid methacrylic anhydride；acetyl 2-methylprop-2-enoate
• CAS: 76392-13-7
• 化学式: C₆H₈O₃
• 分子量: 128.128
• InChiKey: TZODSDSWNKTCFL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  9
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  methacrylic acid acetate 、 1-甲基环戊醇 以 甲苯 为溶剂， 反应 18.0h， 生成 methacryloyloxyacetic acid 1-methylcyclopentyl ester
  参考文献：
  名称：

  一种双酯酸保护结构单体及其制备方法

  摘要：

  本发明涉及到光学材料领域，具体涉及到一种双酯酸保护结构单体及其制备方法。一种双酯酸保护结构单体，用作集成电路制作中所需光刻胶的原材料，因其具有双酯长侧链能够使光刻胶具有较好的成膜性能，又由于其悬挂在外的小体积、高酸敏基团能够提高光刻工艺中去保护反应效率，因此提高光刻产品的质量，此外通过本发明提供的工艺方法制得的双酯酸保护结构单体，具有较高的产率和纯度，进一步保证了光刻胶的性能。

  公开号：

  CN110590554A
• 作为产物：
  描述：

  甲基丙烯酸甲酯 生成 methacrylic acid acetate
  参考文献：
  名称：

  LANGERBEINS, KLAUS

  摘要：

  DOI：

文献信息

• METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES
  申请人：Broell Dirk

  公开号：US20090264673A1

  公开（公告）日：2009-10-22

  Process for continuously preparing unsaturated carboxylic anhydrides of the general formula I R—C(O)—O—C(O)—R  (I) in which R is an unsaturated organic radical having 2 to 12 carbon atoms by transanhydridization of an aliphatic carboxylic anhydride with a carboxylic acid of the general formula II R—COOH  (II) in which R is as defined above in a rectification column having an upper, middle and lower region, characterized in that f) an inert boiling oil is initially charged in the bottom of the column, g) the reactants are fed into a reaction region in stoichiometric ratios, h) the carboxylic acid formed as the by-product is withdrawn at the top of the column, i) the unconverted reactants are recycled into the reaction region and j) the product of the formula I is obtained via a side draw, preferably between the middle and lower column region.

  将通式I R—C(O)—O—C(O)—R  (I) 中R为具有2至12个碳原子的不饱和有机基团 通过将脂肪族羧酸酐与通式II R—COOH  (II) 中R如上所定义的羧酸进行酸酐转化反应的过程 在具有上部、中部和下部区域的精馏塔中进行，其特征在于 f) 最初在塔底充入惰性沸腾油， g) 反应物以化学计量比进入反应区域， h) 作为副产物形成的羧酸在塔顶处被抽出， i) 未反应的反应物被循环回反应区域， j) 通过侧抽取获得通式I的产物，最好在中部和下部塔区域之间。
• METHOD FOR THE PRODUCTION OF (METH)ACRYLIC ANHYDRIDE
  申请人：Paul Jean-Michel

  公开号：US20090234161A1

  公开（公告）日：2009-09-17

  The present invention relates to an improved method for manufacturing (meth)acrylic anhydride by transanhydrization between (meth)acrylic acid and acetic anhydride, in the presence of air and in the presence of at least one polymerization inhibitor, characterized in that the polymerization inhibitor is chosen from the group formed from (a) metal salts of thiocarbamic or dithiocarbamic acid and their mixtures with a phenolic derivative or phenothiazine and its derivatives, and (b) N-oxyl compounds as a mixture with 2,6-di-tert-butyl-4-methylphenol taken alone or in the presence of 2,4-dimethyl-6-tert-butylphenol.

  本发明涉及一种改进的方法，通过在空气存在下和至少一种聚合抑制剂存在下，在丙烯酸（甲基）和乙酸酐之间进行酯酐化反应制备（甲基）丙烯酸酐，其特征在于所述聚合抑制剂选自以下组成的群体：（a）硫代氨基甲酸盐或二硫代氨基甲酸盐金属盐及其与酚衍生物或苯并噻吩及其衍生物的混合物，以及（b）N-氧化物化合物与2,6-二叔丁基-4-甲基苯酚单独或与2,4-二甲基-6-叔丁基苯酚共存的混合物。
• Two-photon absorption dye-containing material, three-dimensional refractive index modulation material, three-dimensional absorption index modulation material and three-dimensional optical recording material
  申请人：Takizawa Hiroo

  公开号：US20050019711A1

  公开（公告）日：2005-01-27

  To provide a two-photon absorption dye-containing material having a great off-resonant two-photon absorption cross section and comprising a two-photon absorption dye capable of decoloring itself through off-resonant two-photon absorption, useful for a three-dimensional refractive index or absorption index modulation material, a three-dimensional optical recording medium, three-dimensional refractive index modulation method and recording and reproducing method for a three-dimensional optical recording medium a two-photon absorption dye-containing material comprising at least a two-photon absorption dye capable of decoloring itself through two-photon absorption.

  提供一种具有较大离共振双光子吸收截面的含有双光子吸收染料的材料，包括能够通过离共振双光子吸收脱色的双光子吸收染料，适用于三维折射率或吸收率调制材料，三维光学记录介质，三维折射率调制方法以及三维光学记录介质的记录和再现方法，其中包括至少一种能够通过双光子吸收脱色的双光子吸收染料的双光子吸收染料含材料。
• Synthesis of 3'-, or 5'-, or internal methacrylamido-modified oligonucleotides
  申请人：Golova B. Julia

  公开号：US20060194213A1

  公开（公告）日：2006-08-31

  New modifiers were synthesized for incorporation of a methacrylic function in 3′-, 5′- and internal positions of oligonucleotides during solid phase synthesis. A modifier was used for synthesis of 5′-methacrylated oligonucleotides for preparation of microarrays by a co-polymerization method.

  在固相合成过程中，合成了新的修饰基团，用于在寡核苷酸的3'-、5'-和内部位置上引入甲基丙烯酸功能。一种修饰基团用于合成5'-甲基丙烯酰化寡核苷酸，以准备通过共聚合方法制备微阵列。
• MODIFIED RELEASE FORMULATIONS OF A BUPROPION SALT
  申请人：OBEREGGER Werner

  公开号：US20080038348A1

  公开（公告）日：2008-02-14

  The present invention relates to pharmaceutical compositions, formulations and medicaments comprising a bupropion salt, in particular, modified-release tablets comprising an effective amount of bupropion hydrobromide, and the use of the bupropion salt to prepare a medicament to treat a condition.

  本发明涉及药物组合物、配方和药物，包括一种丁螺环酮盐，特别是包括有效量的丁螺环酮氢溴酸盐的缓释片剂，以及使用丁螺环酮盐来制备治疗疾病的药物。