(+/-)-(-1-methyl-butyl)-malonic acid | 118870-82-9

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: (+/-)-(-1-methyl-butyl)-malonic acid
• 英文别名: (1-methyl-butyl)-malonic acid；(+/-)-(-1-Methyl-butyl)-malonsaeure；(1-Methyl-butyl)-malonsaeure；<1-Methyl-butyl>-malonsaeure；2-Pentan-2-ylpropanedioic acid
• CAS: 118870-82-9
• 化学式: C₈H₁₄O₄
• 分子量: 174.197
• InChiKey: OITPUWHNBIFUJQ-UHFFFAOYSA-N

物化性质

• 熔点：
  88-89 °C
• 沸点：
  131-133 °C(Press: 20 Torr)
• 密度：
  1.156±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  12
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  (+/-)-(-1-methyl-butyl)-malonic acid 生成 2-乙基-3-甲基丁酸
  参考文献：
  名称：

  Crossley; Le Sueur, Journal of the Chemical Society, 1900, vol. 77, p. 94

  摘要：

  DOI：
• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 生成 (+/-)-(-1-methyl-butyl)-malonic acid
  参考文献：
  名称：

  Dewael; Weckering, Bulletin des Societes Chimiques Belges, 1924, vol. 33, p. 497

  摘要：

  DOI：

文献信息

• Method For Producing Alcohol and Carboxylic Acid Having Optical Activity
  申请人：Dekishima Yasumasa

  公开号：US20080233621A1

  公开（公告）日：2008-09-25

  It is an object of the present invention to provide an inexpensive and efficient industrial method for obtaining (S)-2-pentanol, (S)-2-hexanol, 1-methylalkyl malonic acid and 3-methyl carboxylic acid at a high optical purity. The present invention provides a method of producing (S)-2-pentanol or (S)-2-hexanol which comprises allowing certain types of microorganisms or transformed cells, a product obtained by treating said microorganisms or cells, a culture solution of said microorganisms or cells, and/or a crude purified product or purified product of a carbonyl reductase fraction obtained from said microorganisms or cells, to act on 2-pentanone or 2-hexanone.

  本发明的目的是提供一种廉价高效的工业方法，用于高光学纯度地获得(S)-2-戊醇、(S)-2-己醇、1-甲基烷基丙二酸和3-甲基羧酸。本发明提供了一种生产(S)-2-戊醇或(S)-2-己醇的方法，其包括让某些类型的微生物或转化细胞、经处理后得到的产物、上述微生物或细胞的培养液，和/或从上述微生物或细胞中获得的羰基还原酶分数的粗提纯产物或纯化产物作用于2-戊酮或2-己酮。
• Electric Double-Layer Capacitor
  申请人：Kikuchi Taketoshi

  公开号：US20090103241A1

  公开（公告）日：2009-04-23

  An activated carbon comprising a carbonized and activated compound represented by the formula (1): (wherein, R represents a hydrocarbon group having 1 to 12 carbon atoms, said hydrocarbon group may be optionally substituted with hydroxyl group, alkyl group, alkoxy group, aryl group, aryloxy group, sulfonyl group, halogen atoms, nitro group, thioalkyl group, cyano group, carboxyl group, amino group or amide group, R′ represents hydrogen atom or methyl group, and n represents an integer of 4, 6, or 8).

  一种活性炭，包括由式（1）所表示的碳化和活化化合物： 其中，R表示具有1至12个碳原子的碳氢基团，该碳氢基团可以选择地被羟基、烷基、烷氧基、芳基、芳氧基、磺酰基、卤素原子、硝基、硫代烷基、氰基、羧基、氨基或酰胺基取代；R′表示氢原子或甲基基团；n表示4、6或8的整数。
• Process for producing quaternary salts
  申请人：MITSUBISHI PETROCHEMICAL CO., LTD.

  公开号：EP0291074A2

  公开（公告）日：1988-11-17

  A process for producing quaternary salts of high purity is disclosed, comprising reacting a tertiary amine or phosphine with a carbonic acid diester to form a correspond­ing quaternary carbonate and further mixing it with an acid to perform decarboxylation. The quaternary salts thus ob­tained are useful compounds which can be used in wide fields as various catalysts, electrolytes, additives, medicaments, etc.

  本发明公开了一种生产高纯度季盐的工艺，包括将叔胺或膦与碳酸二酯反应生成相应的季碳酸盐，并进一步与酸混合进行脱羧反应。由此获得的季盐是有用的化合物，可广泛用作各种催化剂、电解质、添加剂、药物等。
• Chiral anisotropic thermosets (cat) in polymer stabilized liquid crystals
  申请人：Sniaricerche S.C.P.A.

  公开号：EP0803525A2

  公开（公告）日：1997-10-29

  The present invention relates to chiral anisotropic thermosetting resin comprising the reaction product of a liquid crystalline epoxy prepolymer and a chiral curing agent selected from the group consisting of chiral polyamines and chiral polycarboxylic acids. The invention is also directed to polymer dispersed liquid crystal composite containing a polymer continuous phase and a liquid crystal discontinuous phase characterized in that the polymer continuous phase contains a chiral anisotropic thermosetting resin comprising the reaction product of a liquid crystalline epoxy prepolymer and a chiral polycarboxylic acid curing agent as a compatible component of that phase. Methods of manufacturing the above polymer dispersed liquid crystal composites are also described.

  本发明涉及手性各向异性热固性树脂，该树脂包含液晶环氧预聚物和手性固化剂的反应产物，手性固化剂选自由手性多胺和手性多羧酸组成的组。本发明还涉及含有聚合物连续相和液晶不连续相的聚合物分散液晶复合材料，其特征在于聚合物连续相含有手性各向异性热固性树脂，该树脂包括液晶环氧预聚物和手性聚羧酸固化剂的反应产物，作为该相的相容组分。还描述了制造上述聚合物分散液晶复合材料的方法。
• PROCESS FOR PRODUCING OPTICALLY ACTIVE ALCOHOL AND CARBOXYLIC ACID
  申请人：API Corporation

  公开号：EP1712630A1

  公开（公告）日：2006-10-18

  It is an object of the present invention to provide an inexpensive and efficient industrial method for obtaining (S)-2-pentanol, (S)-2-hexanol, 1-methylalkyl malonic acid and 3-methyl carboxylic acid at a high optical purity. The present invention provides a method of producing (S)-2-pentanol or (S)-2-hexanol which comprises allowing certain types of microorganisms or transformed cells, a product obtained by treating said microorganisms or cells, a culture solution of said microorganisms or cells, and/or a crude purified product or purified product of a carbonyl reductase fraction obtained from said microorganisms or cells, to act on 2-pentanone or 2-hexanone.

  本发明的目的是提供一种廉价高效的工业方法，以获得高光学纯度的(S)-2-戊醇、(S)-2-己醇、1-甲基烷基丙二酸和3-甲基羧酸。本发明提供了一种生产(S)-2-戊醇或(S)-2-己醇的方法，该方法包括让某些类型的微生物或转化细胞、通过处理所述微生物或细胞获得的产物、所述微生物或细胞的培养液和/或粗提纯产物或从所述微生物或细胞中获得的羰基还原酶部分的提纯产物作用于2-戊酮或2-己酮。