dihydro-3-ethyl-5-methyl-2(3H)-furanone | 19639-00-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 内酯类
• 英文名称: dihydro-3-ethyl-5-methyl-2(3H)-furanone
• 英文别名: α-ethyl-γ-valerolactone；dihydro-3-ethyl-5-dimethyl-2(3H)-furanone；α-Ethyl-γ-valerolacton；α-Aethyl-γ-valerolacton；3-Aethyl-5-methyl-dihydro-furan-2-on；3-ethyl-5-methyl-dihydro-furan-2-one；3-Ethyl-5-methyldihydro-2(3H)-furanone；3-ethyl-5-methyloxolan-2-one
• CAS: 19639-00-0
• 化学式: C₇H₁₂O₂
• 分子量: 128.171
• InChiKey: TVSURRUHJZSEFC-UHFFFAOYSA-N

物化性质

• 沸点：
  52-56 °C(Press: 3 Torr)
• 密度：
  0.957±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.5
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.86
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  dihydro-3-ethyl-5-methyl-2(3H)-furanone 、 diphosphorus pentasulfide 以65%的产率得到
  参考文献：
  名称：

  AVETISYAN, A. A.;AVETISYAN, T. V.;DANGYAN, M. T., ARM. XIM. ZH., 1983, 36, N 3, 187-189

  摘要：

  DOI：
• 作为产物：
  描述：

  2-ethyl-4-oxo-valeric acid 生成 dihydro-3-ethyl-5-methyl-2(3H)-furanone
  参考文献：
  名称：

  Fittig; Young, Justus Liebigs Annalen der Chemie, 1883, vol. 216, p. 39

  摘要：

  DOI：

文献信息

• Cis-3,5-disubstituted-dihydro-furan-2-ones and the preparation and use thereof
  申请人：Fagan Joseph Paul

  公开号：US20060030719A1

  公开（公告）日：2006-02-09

  The present invention relates to an improved process to prepare cis-3-dihydrocarbylmethano-5-hydrocarbyidihydro-furan-2-ones. The present invention also relates to novel compositions of matter comprising enantiomerically pure cis-3-dihydrocarbylmethano-5-hydrocarbyldihydro-furan-2-ones, being the (3S,5S), (3R,5R), (3S,5R), or (3R,5S) optically pure isomers, and a new, more cost efficient process to prepare said optically pure isomers.

  本发明涉及一种改进的工艺，用于制备顺式-3-双烷基甲基甲烷-5-羟基双烷基二氢呋喃-2-酮。本发明还涉及包含对映纯顺式-3-双烷基甲基甲烷-5-羟基二氢呋喃-2-酮的新型物质组合，即（3S,5S）、（3R,5R）、（3S,5R）或（3R,5S）光学纯异构体，并且提供了一种新的、更具成本效益的工艺用于制备这些光学纯异构体。
• A convenient method for lactonization of α-allyl esters using iodine in dimethyl- sulphoxide
  作者：B. R. Nawghare、S. V. Gaikwad、B. V. Pawar、P. D. Lokhande

  DOI：10.4314/bcse.v28i3.16

  日期：——

  A simple method for the synthesis of α-γ-disubstituted-γ-butyrolactones by cyclization of α-allyl esters using iodine in dimethylsulphoxide is reported. This method is efficient and operationally simple in comparison to methods using transition metal complexes.

  报告了一种简单的方法，通过使用碘在二甲基亚硫酰胺中对α-烯丙基酯进行环化，合成α-γ-二取代-γ-丁内酯。与使用过渡金属复合物的方法相比，该方法既高效又操作简单。
• Composition comprising a fluoroolefin
  申请人：E. I. du Pont de Nemours and Company

  公开号：EP2314656A2

  公开（公告）日：2011-04-27

  The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

  本发明涉及用于制冷、空调和热泵系统的组合物，其中组合物包括氟烯烃和至少一种其他成分。本发明的组合物可用于产生冷却或热量的工艺中，也可用作导热液体、泡沫发泡剂、气溶胶推进剂以及灭火剂和灭火剂。
• Compositions comprising a fluoroolefin
  申请人：E. I. du Pont de Nemours and Company

  公开号：EP2316902A2

  公开（公告）日：2011-05-04

  The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

  本发明涉及用于制冷、空调和热泵系统的组合物，其中组合物包括氟烯烃和至少一种其他成分。本发明的组合物可用于产生冷却或热量的工艺中，也可用作导热液体、泡沫发泡剂、气溶胶推进剂以及灭火剂和灭火剂。
• COMPOSITIONS COMPRISING A FLUOROOLEFIN
  申请人：The Chemours Company FC, LLC

  公开号：EP3275965A1

  公开（公告）日：2018-01-31

  The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

  本发明涉及用于制冷、空调和热泵系统的组合物，其中组合物包括氟烯烃和至少一种其他成分。本发明的组合物可用于产生冷却或热量的工艺中，也可用作导热液体、泡沫发泡剂、气溶胶推进剂以及灭火剂和灭火剂。