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methyl (4S,5R,E)-4,5-dimethyl-7-oxohept-2-enoate | 210890-11-2

中文名称
——
中文别名
——
英文名称
methyl (4S,5R,E)-4,5-dimethyl-7-oxohept-2-enoate
英文别名
methyl (E,4S,5R)-4,5-dimethyl-7-oxohept-2-enoate
methyl (4S,5R,E)-4,5-dimethyl-7-oxohept-2-enoate化学式
CAS
210890-11-2
化学式
C10H16O3
mdl
——
分子量
184.235
InChiKey
FBEOBFIDNOQTHL-HOMPQPGZSA-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):
    1.4
  • 重原子数:
    13
  • 可旋转键数:
    6
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.6
  • 拓扑面积:
    43.4
  • 氢给体数:
    0
  • 氢受体数:
    3

反应信息

  • 作为反应物:
    描述:
    methyl (4S,5R,E)-4,5-dimethyl-7-oxohept-2-enoate哌啶silver trifluoromethanesulfonate苄基三甲基氢氧化铵 、 magnesium sulfate 、 作用下, 以 甲醇二氯甲烷甲苯 为溶剂, 反应 14.25h, 生成 ((2R,3S,4R,6R)-6-Allyl-1-benzyl-3,4-dimethyl-piperidin-2-yl)-acetic acid methyl ester
    参考文献:
    名称:
    Novel and Stereocontrolled Synthesis of Enantiopure and Polyalkyl Substituted Piperidines
    摘要:
    报告中介绍了一种灵活、立体发散的合成方法,即通过伯胺与 7-oxo-2-enimides 1 的双亲核加成,合成具有最多四个烷基取代手性中心的对映体纯哌啶类化合物。反过来,也可以通过手性合成醛醇产物的 silyloxy-Cope 重排获得这些物质。
    DOI:
    10.1055/s-1998-1725
  • 作为产物:
    描述:
    methyl (2S,3R,E)-3-(tert-butyldimethylsiloxy)-2-((E)-prop-1-enyl)hex-4-enoate 在 1-ethyl-3-methyl-1H-imidazolium salt 作用下, 以 various solvent(s) 为溶剂, 反应 0.75h, 生成 methyl (4S,5R,E)-4,5-dimethyl-7-oxohept-2-enoate
    参考文献:
    名称:
    Catalytic Asymmetric Reactions for Organic Synthesis:  The Combined C−H Activation/Siloxy-Cope Rearrangement
    摘要:
    Tetrakis(N-[4-dodecylbenzenesulfonyl]-(L)-prolinate) dirhodium [Rh-2(S-DOSP)(4)]-catalyzed decomposition of vinyldiazoacetates in the presence of allyl silyl ethers results in the formation of the direct C-H insertion product and the product derived from a combined C-H activation/siloxy-Cope rearrangement. Both products are formed with very high diastereoselectivity (>94% de) and high enantioselectvity (78-93% ee). Under thermal or microwave conditions, the direct C-H insertion product undergoes a siloxy-Cope rearrangement in a stereoselective manner.
    DOI:
    10.1021/jo048429m
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文献信息

  • The Stereochemical Course of Intramolecular Michael Reactions
    作者:Eugene E. Kwan、Jonathan R. Scheerer、David A. Evans
    DOI:10.1021/jo302138z
    日期:2013.1.4
    We present a general model for understanding the stereochemical course of intramolecular Michael reactions. We show that the addition of β-ketoester enolates to α,β-unsaturated esters and imides bearing adjacent stereocenters (X, Y = H, Me, OR) leads to high levels of asymmetric induction. Reinforcing and nonreinforcing stereochemical relationships are evaluated from the syn and anti reactant diastereomers
    我们提出了一个一般的模型,以了解分子内迈克尔反应的立体化学过程。我们表明,向相邻的立构中心(X,Y = H,Me或OR)的α,β-不饱和酯和酰亚胺中添加β-酮酸酯烯酸酯会导致高水平的不对称诱导。从同反抗非对映异构体评估增强和非增强立体化学关系。在合成,光谱和计算研究的基础上,我们建议可以通过偶极子最小化的椅子过渡态模型来合理化这些反应的结果。
  • Stereoselective Synthesis of Highly Substituted Piperidines
    作者:Christoph Schneider、Christoph Börner、Ansgar Schuffenhauer
    DOI:10.1002/(sici)1099-0690(199912)1999:12<3353::aid-ejoc3353>3.0.co;2-q
    日期:1999.12
    Enantiopure piperidines 4 may be accessed in very good overall yields and high stereoselectivity from the bifunctional products 2 of the silyloxy Cope rearrangement of chiral aldol products 1 by sequential nucleophilic addition of primary amines and subsequent hydrogenation. The reaction is proposed to proceed by initial imine formation followed by an intramolecular aza-conjugate addition to the α
    可以从手性羟醛产物 1 的甲硅烷氧基 Cope 重排的双功能产物 2 中通过伯胺的顺序亲核加成和随后的氢化以非常好的总产率和高立体选择性获得对映体纯哌啶 4。建议该反应通过初始亚胺形成然后分子内氮杂-共轭物加成到 α,β-不饱和酰亚胺来进行。立体选择性由亚胺 N-烷基和共轭双键之间的 A(1.2) 应变控制。在另一种方法中,多烷基取代的哌啶是通过将有机锌试剂添加到在银盐存在下容易从 Cope 产品中获得的氰基哌啶中制备的。
  • Catalytic Asymmetric Reactions for Organic Synthesis:  The Combined C−H Activation/Siloxy-Cope Rearrangement
    作者:Huw M. L. Davies、Rohan E. J. Beckwith
    DOI:10.1021/jo048429m
    日期:2004.12.1
    Tetrakis(N-[4-dodecylbenzenesulfonyl]-(L)-prolinate) dirhodium [Rh-2(S-DOSP)(4)]-catalyzed decomposition of vinyldiazoacetates in the presence of allyl silyl ethers results in the formation of the direct C-H insertion product and the product derived from a combined C-H activation/siloxy-Cope rearrangement. Both products are formed with very high diastereoselectivity (>94% de) and high enantioselectvity (78-93% ee). Under thermal or microwave conditions, the direct C-H insertion product undergoes a siloxy-Cope rearrangement in a stereoselective manner.
  • Novel and Stereocontrolled Synthesis of Enantiopure and Polyalkyl Substituted Piperidines
    作者:Christoph Schneider、Christoph Börner
    DOI:10.1055/s-1998-1725
    日期:1998.6
    A flexible and stereodivergent synthesis of enantiopure piperidines with up to four alkyl-substituted chiral centers is reported which proceeds by way of a double nucleophilic addition of primary amines to the 7-oxo-2-enimides 1. These in turn are accessible via the silyloxy-Cope rearrangement of chiral syn-aldol products.
    报告中介绍了一种灵活、立体发散的合成方法,即通过伯胺与 7-oxo-2-enimides 1 的双亲核加成,合成具有最多四个烷基取代手性中心的对映体纯哌啶类化合物。反过来,也可以通过手性合成醛醇产物的 silyloxy-Cope 重排获得这些物质。
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