tert-butyl N-[(3aR,4R,6S,6aR)-4-[tert-butyl(diphenyl)silyl]oxy-2,2-dimethyl-4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-6-yl]carbamate | 817210-73-4

• 分子结构分类: 有机化合物 - 有机金属化合物 - 有机类金属化合物
• 英文名称: tert-butyl N-[(3aR,4R,6S,6aR)-4-[tert-butyl(diphenyl)silyl]oxy-2,2-dimethyl-4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-6-yl]carbamate
• CAS: 817210-73-4
• 化学式: C₂₉H₄₁NO₅Si
• 分子量: 511.734
• InChiKey: FJPGDDLGXRTJQQ-LIONHTAISA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.75
• 重原子数：
  36
• 可旋转键数：
  8
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.55
• 拓扑面积：
  66
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  tert-butyl N-[(3aR,4R,6S,6aR)-4-[tert-butyl(diphenyl)silyl]oxy-2,2-dimethyl-4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-6-yl]carbamate 在 四丁基氟化铵 作用下， 以 四氢呋喃 为溶剂， 反应 16.0h， 以72%的产率得到((3aR,4S,6R,6aS)-6-Hydroxy-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl)-carbamic acid tert-butyl ester
  参考文献：
  名称：

  Chiral base route to functionalised cyclopentenyl amines: formal synthesis of the cyclopentene core of nucleoside Q

  摘要：

  A chiral base route to a range of highly functionalised amino cyclopentenes has been developed. The key asymmetric step involved the chiral lithium amide base-mediated rearrangement of a protected trans-4-hydroxy cyclopentene oxide to give an allylic alcohol (88% ee). Subsequent Overman rearrangement gave a protected trans-1,2-aminocyclopentenol whereas Mitsunobu substitution with BocNHNs gave a protected cis-amino cyclopentenol. Both are proven intermediates for natural product synthesis. The protected cis-aminocyclopentenol was transformed in a few steps into a precursor of the cyclopentene core of nucleoside Q, a natural product whose deficiency in animals is related to tumour growth. (C) 2004 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2004.10.043
• 作为产物：
  描述：

  (1S,4S)-4-(tert-Butyl-diphenyl-silanyloxy)-cyclopent-2-enol 在 lithium hydroxide 、 四氧化锇 、 N-甲基吲哚酮 、 偶氮二甲酸二异丙酯 、 对甲苯磺酸 、 巯基乙酸 、 三苯基膦 作用下， 以 水 、 N,N-二甲基甲酰胺 、 丙酮 、 甲苯 为溶剂， 反应 122.0h， 生成 tert-butyl N-[(3aR,4R,6S,6aR)-4-[tert-butyl(diphenyl)silyl]oxy-2,2-dimethyl-4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-6-yl]carbamate
  参考文献：
  名称：

  Chiral base route to functionalised cyclopentenyl amines: formal synthesis of the cyclopentene core of nucleoside Q

  摘要：

  A chiral base route to a range of highly functionalised amino cyclopentenes has been developed. The key asymmetric step involved the chiral lithium amide base-mediated rearrangement of a protected trans-4-hydroxy cyclopentene oxide to give an allylic alcohol (88% ee). Subsequent Overman rearrangement gave a protected trans-1,2-aminocyclopentenol whereas Mitsunobu substitution with BocNHNs gave a protected cis-amino cyclopentenol. Both are proven intermediates for natural product synthesis. The protected cis-aminocyclopentenol was transformed in a few steps into a precursor of the cyclopentene core of nucleoside Q, a natural product whose deficiency in animals is related to tumour growth. (C) 2004 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2004.10.043