3,5-dioxo-2-phenyl-pyrazolidine-1-carboxylic acid ethyl ester | 104997-33-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 3,5-dioxo-2-phenyl-pyrazolidine-1-carboxylic acid ethyl ester
• 英文别名: 3,5-Dioxo-2-phenyl-pyrazolidin-1-carbonsaeure-aethylester；Ethyl 3,5-dioxo-2-phenylpyrazolidine-1-carboxylate
• CAS: 104997-33-3
• 化学式: C₁₂H₁₂N₂O₄
• 分子量: 248.238
• InChiKey: KCSGRMAQOJBMHM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  18
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  66.9
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  ethyl phenylhydrazocarboxylate 、 丙二酰氯 在 乙醚 作用下， 生成 3,5-dioxo-2-phenyl-pyrazolidine-1-carboxylic acid ethyl ester
  参考文献：
  名称：

  US2790807

  摘要：

  公开号：

文献信息

• ULTRAVIOLET ABSORBENT AND POLYMER MATERIAL CONTAINING THE SAME
  申请人：Fujie Yoshihiko

  公开号：US20100010123A1

  公开（公告）日：2010-01-14

  An ultraviolet absorbent, containing a compound represented by formula (1) or (2); and a polymer material containing the ultraviolet absorbent: wherein R 11 , R 12 and R 14 each independently represent a monovalent substituent; R 13 represents a hydrogen atom or a substituent having a Hammett substituent constant σ p of −0.35 or more; and n represents an integer of 0 to 4; and wherein R 21 represents a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms, or a substituted or unsubstituted phenyl group; R 22 represents a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms; R 23 represents a hydrogen atom or a substituent having a Hammett substituent constant σ p of −0.35 or more; R 24 represents a monovalent substituent; and m represents an integer of 0 to 4.