optically inactive 4-oxo-2.2.3-trimethyl-cyclopentane-carboxylic acid-(1) | 859818-35-2

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: optically inactive 4-oxo-2.2.3-trimethyl-cyclopentane-carboxylic acid-(1)
• 英文别名: 2,2,3-trimethyl-4-oxo-cyclopentanecarboxylic acid；Opt.-inakt. 4-Oxo-2.2.3-trimethyl-cyclopentan-carbonsaeure-(1)；1.1.5-Trimethyl-cyclopentanon-(4)-carbonsaeure-(2)；2,2,3-Trimethyl-4-oxo-cyclopentancarbonsaeure；2,2,3-Trimethyl-4-oxocyclopentane-1-carboxylic acid
• CAS: 859818-35-2
• 化学式: C₉H₁₄O₃
• 分子量: 170.208
• InChiKey: TYTNRTLEFDFXMY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  12
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.78
• 拓扑面积：
  54.4
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  optically inactive 4-oxo-2.2.3-trimethyl-cyclopentane-carboxylic acid-(1) 在 natrium carbonate's solution 、 permanganate(VII) ion 作用下， 生成 (1,1-dimethyl-2-oxo-propyl)-succinic acid
  参考文献：
  名称：

  Toivonen, Annales Academiae Scientiarum Fennicae, Series A, vol. 29, # 20, p. 18

  摘要：

  DOI：
• 作为产物：
  描述：

  (+/-)-5c-hydroxy-1,2,2-trimethyl-cyclopentane-1r,3c-dicarboxylic acid 在 sodium dichromate 、 硫酸 、 水 作用下， 生成 optically inactive 4-oxo-2.2.3-trimethyl-cyclopentane-carboxylic acid-(1)
  参考文献：
  名称：

  Interlaminar fracture and low-velocity impact of carbon/epoxy composite materials

  摘要：

  The interlaminar fracture and the low-velocity impact behavior of carbon/epoxy composite materials have been studied using width-tapered double cantilever beam (WTDCB), end-notched flexure (ENF), and Boeing impact specimens. The objectives of this research are to determine the essential parameters governing interlaminar-fracture and damage of realistic laminated composites and to characterize a correlation between the critical strain energy release rates measured by interlaminar fracture and by low-velocity impact tests. The geometry and the lay-tip sequence of specimens are designed to probe various conditions such as the skewness parameter, beam volume, and test fixture. The effect of interfacial ply orientations and crack propagation directions on interlaminar fracture toughness and the effect of ply orientations and thickness on impact behavior ar-e examined. The critical strain energy release rare was calculated from the respective tests: in the interlaminar fracture test the compliance method and linear beam theory are used; the residual energy calculated from the impact test and the total delamination area estimated by ultrasonic inspection are used ill the low-velocity, impact test. Results show that the critical strain energy release rate is affected mainly by ply orientations. The critical strain energy release rate measured by the low-velocity impact test lies between the mode I and mode II critical strain energy release rates obtained by the interlaminar fracture test.

  DOI：

  10.1007/bf02681828

文献信息

• Toivonen, Annales Academiae Scientiarum Fennicae, Series A, vol. 29, # 20, p. 8,20
  作者：Toivonen

  DOI：——

  日期：——
• Toivonen, Annales Academiae Scientiarum Fennicae, Series A, vol. 29, # 20, p. 16
  作者：Toivonen

  DOI：——

  日期：——