di(tert-butyl) (2S,4S)-4-{[tert-butyl(diphenyl)silyl]oxy}-6-oxo-1,2-piperidinedicarboxylate | 653589-51-6

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: di(tert-butyl) (2S,4S)-4-{[tert-butyl(diphenyl)silyl]oxy}-6-oxo-1,2-piperidinedicarboxylate
• CAS: 653589-51-6
• 化学式: C₃₁H₄₃NO₆Si
• 分子量: 553.771
• InChiKey: PIENPRFNFBVYIL-DHLKQENFSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.2
• 重原子数：
  39.0
• 可旋转键数：
  5.0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.52
• 拓扑面积：
  82.14
• 氢给体数：
  0.0
• 氢受体数：
  6.0

反应信息

• 作为反应物：
  描述：

  di(tert-butyl) (2S,4S)-4-{[tert-butyl(diphenyl)silyl]oxy}-6-oxo-1,2-piperidinedicarboxylate 在 sodium tetrahydroborate 、 sodium azide 、 potassium carbonate 、 N,N-二异丙基乙胺 、 三氟乙酸 作用下， 以 乙醇 、 二氯甲烷 、 水 、 N,N-二甲基甲酰胺 、 丙酮 为溶剂， 反应 14.0h， 生成 (2S,4R)-6-azido-4-{[tert-butyl(diphenyl)silyl]oxy}-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}hexanoic acid
  参考文献：
  名称：

  Synthesis of Enantiopure 4-Hydroxypipecolate and 4-Hydroxylysine Derivatives from a Common 4,6-Dioxopiperidinecarboxylate Precursor

  摘要：

  tert-Butyl 2-substituted 4,6-dioxo-1-piperidinecarboxylates 4 have been prepared in good yield starting from Boc-Asp-(OBu)-Bu-t and other beta-amino acids. By analogy with chiral tetramic acids, their reduction by NaBH4 in CH2Cl2/AcOH afforded the corresponding cis-4-hydroxy delta-lactams in good yield and stereoselectivity (68-98% de). In the absence of the A(1,3) strain (reduction of 6-substituted 2,4-dioxo-1-piperidines 7), the cis-4-hydroxy isomer was still obtained as the major product but the de values were consistently lower. 4-Hydroxy-6-oxo-1,2-piperidinedicarboxylate 2a, readily accessible from Boc-Asp-OtBu (three steps, 63% overall yield), has proven to be an excellent building block for the synthesis of cis- and trans-4-hydroxypipecolates 17 and 24 (52 and 36% overall yield, respectively) and for the synthesis of a protected 4-hydroxylysine derivative 29 (41% overall yield).

  DOI：

  10.1021/jo0353886
• 作为产物：
  描述：

  N-叔丁氧羰基-L-天冬氨酸 1-叔丁酯 在 咪唑 、 4-二甲氨基吡啶 、 sodium cyanoborohydride 、 溶剂黄146 、 1-(3-二甲基氨基丙基)-3-乙基碳二亚胺 作用下， 以 二氯甲烷 为溶剂， 反应 80.0h， 生成 di(tert-butyl) (2S,4S)-4-{[tert-butyl(diphenyl)silyl]oxy}-6-oxo-1,2-piperidinedicarboxylate
  参考文献：
  名称：

  Synthesis of Enantiopure 4-Hydroxypipecolate and 4-Hydroxylysine Derivatives from a Common 4,6-Dioxopiperidinecarboxylate Precursor

  摘要：

  tert-Butyl 2-substituted 4,6-dioxo-1-piperidinecarboxylates 4 have been prepared in good yield starting from Boc-Asp-(OBu)-Bu-t and other beta-amino acids. By analogy with chiral tetramic acids, their reduction by NaBH4 in CH2Cl2/AcOH afforded the corresponding cis-4-hydroxy delta-lactams in good yield and stereoselectivity (68-98% de). In the absence of the A(1,3) strain (reduction of 6-substituted 2,4-dioxo-1-piperidines 7), the cis-4-hydroxy isomer was still obtained as the major product but the de values were consistently lower. 4-Hydroxy-6-oxo-1,2-piperidinedicarboxylate 2a, readily accessible from Boc-Asp-OtBu (three steps, 63% overall yield), has proven to be an excellent building block for the synthesis of cis- and trans-4-hydroxypipecolates 17 and 24 (52 and 36% overall yield, respectively) and for the synthesis of a protected 4-hydroxylysine derivative 29 (41% overall yield).

  DOI：

  10.1021/jo0353886