2-(2-Methyl-butyryl)-malonic acid diethyl ester | 253351-93-8

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 酮酸及其衍生物
• 英文名称: 2-(2-Methyl-butyryl)-malonic acid diethyl ester
• 英文别名: Diethyl 2-(2-methylbutanoyl)propanedioate
• CAS: 253351-93-8
• 化学式: C₁₂H₂₀O₅
• 分子量: 244.288
• InChiKey: RFYBOVRUTYULSA-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.2
• 重原子数：
  17
• 可旋转键数：
  9
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  69.7
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  2-(2-Methyl-butyryl)-malonic acid diethyl ester 在 lithium aluminium tetrahydride 作用下， 以 乙醚 为溶剂， 生成 2-Hydroxymethyl-4-methyl-hexane-1,3-diol
  参考文献：
  名称：

  Bicyclophosphorothionate antagonists exhibiting selectivity for housefly GABA receptors

  摘要：

  2,6,7-Trioxa-1-phosphabicyclo[2.2.2]octane 1-sulfides (bicyclophosphorothionates) with various C1-4 alkyl groups at the 3- and 4-positions were synthesized and tested for their ability to compete with [H-3]4'-ethynyl-4-n-propylbicycloorthobenzoate (EBOB), a non-competitive antagonist of gamma-aminobutyric acid (GABA) receptors, for specific binding to rat-brain and housefly-head membranes, and for their insecticidal activity against houseflies. Among the 3,4-substituted analogues, 20 compounds were selectively active for housefly GABA receptors versus rat GABA receptors. The 3-alkyl groups of C-3 length and the 4-alkyl groups of C-4 length were tolerated in housefly receptors, whereas such bulky substituents were deleterious in rat receptors. The 4-isobutyl-3-isopropyl analogue was the most potent in housefly receptors (IC50 = 45.2 nM), and tert-butylbicyclophosphorothionate (TBPS), with the 4-tert-butyl group and no 3-substituent, was the most potent in rat receptors (IC50 = 62.2 nM). Their receptor selectivities (rat IC50/housefly IC50) were 52 and 0.038, respectively. The insecticidal activity (LD50) of 20 active analogues was well correlated with their potency (IC50) in inhibiting [H-3]EBOB binding to housefly-head membranes (r = 0.93). The results obtained in the present study indicate that the introduction of appropriate alkyl groups into the 3- and ii-positions of bicyclophosphorothionate leads to non-competitive antagonists with increased affinity and selectivity for housefly ionotropic GABA receptors versus rat GABAA receptors. (C) 1999 Society of Chemical Industry.

  DOI：

  10.1002/(sici)1096-9063(199910)55:10<971::aid-ps49>3.0.co;2-j
• 作为产物：
  描述：

  2-甲基丁酰氯 、 丙二酸二乙酯 在 sodium hydride 作用下， 以 乙醚 为溶剂， 生成 2-(2-Methyl-butyryl)-malonic acid diethyl ester
  参考文献：
  名称：

  Bicyclophosphorothionate antagonists exhibiting selectivity for housefly GABA receptors

  摘要：

  2,6,7-Trioxa-1-phosphabicyclo[2.2.2]octane 1-sulfides (bicyclophosphorothionates) with various C1-4 alkyl groups at the 3- and 4-positions were synthesized and tested for their ability to compete with [H-3]4'-ethynyl-4-n-propylbicycloorthobenzoate (EBOB), a non-competitive antagonist of gamma-aminobutyric acid (GABA) receptors, for specific binding to rat-brain and housefly-head membranes, and for their insecticidal activity against houseflies. Among the 3,4-substituted analogues, 20 compounds were selectively active for housefly GABA receptors versus rat GABA receptors. The 3-alkyl groups of C-3 length and the 4-alkyl groups of C-4 length were tolerated in housefly receptors, whereas such bulky substituents were deleterious in rat receptors. The 4-isobutyl-3-isopropyl analogue was the most potent in housefly receptors (IC50 = 45.2 nM), and tert-butylbicyclophosphorothionate (TBPS), with the 4-tert-butyl group and no 3-substituent, was the most potent in rat receptors (IC50 = 62.2 nM). Their receptor selectivities (rat IC50/housefly IC50) were 52 and 0.038, respectively. The insecticidal activity (LD50) of 20 active analogues was well correlated with their potency (IC50) in inhibiting [H-3]EBOB binding to housefly-head membranes (r = 0.93). The results obtained in the present study indicate that the introduction of appropriate alkyl groups into the 3- and ii-positions of bicyclophosphorothionate leads to non-competitive antagonists with increased affinity and selectivity for housefly ionotropic GABA receptors versus rat GABAA receptors. (C) 1999 Society of Chemical Industry.

  DOI：

  10.1002/(sici)1096-9063(199910)55:10<971::aid-ps49>3.0.co;2-j

文献信息

• Bicyclophosphorothionate antagonists exhibiting selectivity for housefly GABA receptors
  作者：Xiu-Lian Ju、Yoshihisa Ozoe

  DOI：10.1002/(sici)1096-9063(199910)55:10<971::aid-ps49>3.0.co;2-j

  日期：1999.10

  2,6,7-Trioxa-1-phosphabicyclo[2.2.2]octane 1-sulfides (bicyclophosphorothionates) with various C1-4 alkyl groups at the 3- and 4-positions were synthesized and tested for their ability to compete with [H-3]4'-ethynyl-4-n-propylbicycloorthobenzoate (EBOB), a non-competitive antagonist of gamma-aminobutyric acid (GABA) receptors, for specific binding to rat-brain and housefly-head membranes, and for their insecticidal activity against houseflies. Among the 3,4-substituted analogues, 20 compounds were selectively active for housefly GABA receptors versus rat GABA receptors. The 3-alkyl groups of C-3 length and the 4-alkyl groups of C-4 length were tolerated in housefly receptors, whereas such bulky substituents were deleterious in rat receptors. The 4-isobutyl-3-isopropyl analogue was the most potent in housefly receptors (IC50 = 45.2 nM), and tert-butylbicyclophosphorothionate (TBPS), with the 4-tert-butyl group and no 3-substituent, was the most potent in rat receptors (IC50 = 62.2 nM). Their receptor selectivities (rat IC50/housefly IC50) were 52 and 0.038, respectively. The insecticidal activity (LD50) of 20 active analogues was well correlated with their potency (IC50) in inhibiting [H-3]EBOB binding to housefly-head membranes (r = 0.93). The results obtained in the present study indicate that the introduction of appropriate alkyl groups into the 3- and ii-positions of bicyclophosphorothionate leads to non-competitive antagonists with increased affinity and selectivity for housefly ionotropic GABA receptors versus rat GABAA receptors. (C) 1999 Society of Chemical Industry.