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(2S,3S)-3-[(1-oxo-2-cyclohexen-3-yl)amino]-2-(tert-butyldimethylsilyloxy)butyl bromide | 782498-13-9

中文名称
——
中文别名
——
英文名称
(2S,3S)-3-[(1-oxo-2-cyclohexen-3-yl)amino]-2-(tert-butyldimethylsilyloxy)butyl bromide
英文别名
3-[[(2S,3S)-4-bromo-3-[tert-butyl(dimethyl)silyl]oxybutan-2-yl]amino]cyclohex-2-en-1-one
(2S,3S)-3-[(1-oxo-2-cyclohexen-3-yl)amino]-2-(tert-butyldimethylsilyloxy)butyl bromide化学式
CAS
782498-13-9
化学式
C16H30BrNO2Si
mdl
——
分子量
376.409
InChiKey
TVANUVFFFGASDM-SWLSCSKDSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    4.39
  • 重原子数:
    21
  • 可旋转键数:
    7
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.81
  • 拓扑面积:
    38.3
  • 氢给体数:
    1
  • 氢受体数:
    3

反应信息

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文献信息

  • Total Synthesis of Lepadins B, D, E, and H; Determination of the Configuration of the Latter Three Alkaloids
    作者:Xiaotao Pu、Dawei Ma
    DOI:10.1002/anie.200460128
    日期:2004.8.13
  • Facile Entry to Substituted Decahydroquinoline Alkaloids. Total Synthesis of Lepadins A−E and H
    作者:Xiaotao Pu、Dawei Ma
    DOI:10.1021/jo061070c
    日期:2006.8.1
    Condensation of a L-alanine derived delta-bromo-beta-silyloxy-propylamine with 1,3-cyclohexadione followed by alkylative cyclization produces a bicyclic enone. Diastereoselective Pt/C-catalyzed hydrogenation of this enone in HOAc provides a 5-oxo-cis-fused decahydroquinoline. Wittig olefination of this decahydroquinoline and subsequent epimerization of the resulting 5-formyl intermediate gives rise to a 5-beta-formyl decahydroquinoline exclusively. In a parallel procedure, Peterson reaction of this decahydroquinoline and subsequent hydrogenation of the generated 5-exo-olefin provides a decahydroquinoline with a 5-alpha-substituent predominantly. For these two diastereoselective processes, using the intermediates without N-protection as the substrates is essential because the corresponding N-Boc intermediates give poor diastereoselectivity. The intermediate with beta-form side chain is further converted into lepadins A-C via carbon chain elongation, while the intermediate with alpha-form side chain is transformed into lepadins D, E, and H and corresponding 5'-epimers via connection with two sulfones generated from two Sharpless epoxidation products. By comparison of the rotations and NMR data, the stereochemistry of lepadins D, E, and H is assigned as 2S, 3R, 4aS, 5S, 8aR, 5'R.
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