4-hydroxy-5,5-dimethyl-tetrahydro-pyran-2-one | 149909-56-8

• 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: 4-hydroxy-5,5-dimethyl-tetrahydro-pyran-2-one
• 英文别名: 4-Hydroxy-5,5-dimethyl-tetrahydro-pyran-2-on；4-hydroxy-5,5-dimethyltetrahydro-2H-pyran-2-one；4-hydroxy-5,5-dimethyloxan-2-one
• CAS: 149909-56-8
• 化学式: C₇H₁₂O₃
• 分子量: 144.17
• InChiKey: SHXLUHIMINEGBY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.4
• 重原子数：
  10
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.86
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2,2-二甲基-3-羟基丙醛 以 四氢呋喃 、 xylene 为溶剂， 反应 2.0h， 生成 4-hydroxy-5,5-dimethyl-tetrahydro-pyran-2-one
  参考文献：
  名称：

  Ethyl alkynyl ethers: A convenient ketene source for lactone formation

  摘要：

  A convenient and general method for the preparation of lactones of varying size via the intramolecular trapping of a ketene has been developed. Simple thermolysis of various ethoxy acetylene derivatives at 150-degrees-C for 2 hours produced the desired compounds in yields ranging from 30%-75%. The addition of tri-n-butylamine was required to achieve reasonable yields for medium and large rings.

  DOI：

  10.1016/s0040-4020(01)80360-4

文献信息

• Barnett; Robinson, Biochemical Journal, 1942, vol. 36, p. 357,361
  作者：Barnett、Robinson

  DOI：——

  日期：——
• Ethyl alkynyl ethers: A convenient ketene source for lactone formation
  作者：Li Liang、Mahesh Ramaseshan、David I. MaGee

  DOI：10.1016/s0040-4020(01)80360-4

  日期：1993.3

  A convenient and general method for the preparation of lactones of varying size via the intramolecular trapping of a ketene has been developed. Simple thermolysis of various ethoxy acetylene derivatives at 150-degrees-C for 2 hours produced the desired compounds in yields ranging from 30%-75%. The addition of tri-n-butylamine was required to achieve reasonable yields for medium and large rings.