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(R)-<1-(N-<3-(Trimethylsilyl)-2-propynylidene>amino)ethyl>benzene | 131852-34-1

中文名称
——
中文别名
——
英文名称
(R)-<1-(N-<3-(Trimethylsilyl)-2-propynylidene>amino)ethyl>benzene
英文别名
N-[(1R)-1-phenylethyl]-3-trimethylsilylprop-2-yn-1-imine
(R)-<1-(N-<3-(Trimethylsilyl)-2-propynylidene>amino)ethyl>benzene化学式
CAS
131852-34-1
化学式
C14H19NSi
mdl
——
分子量
229.397
InChiKey
YXCXGXDJLVYTNG-CYBMUJFWSA-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):
    3.7
  • 重原子数:
    16
  • 可旋转键数:
    3
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.36
  • 拓扑面积:
    12.4
  • 氢给体数:
    0
  • 氢受体数:
    1

反应信息

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文献信息

  • Dualistic Reactivity of Lithium and Zinc Dienolates with Imines: Effects of Counterion, Temperature, and Substituents on .alpha.- and .gamma.-Coupling
    作者:Hendrik L. van Maanen、Henk Kleijn、Johann T. B. H. Jastrzebski、Miles T. Lakin、Anthony L. Spek、Gerard van Koten
    DOI:10.1021/jo00104a048
    日期:1994.12
    Lithium and zinc dienolates of 3-butenoic, 3-methyl-2-butenoic, 3-pentenoic, and 4-phenyl-3-butenoic methyl esters are reacted with imines R(1)C(H)=NR(2)[3a: R(1) = 2-pyridyl, R(2) = Ph; 3b: R(1) = Me(3)-SiC=C; R(2) = Ph; 3c: R(1) = 2-pyridyl, R(2) = (R)-PhCK(CH3); 3d: R(1) = Me(3)SiC=C; R(2) = (R)-PhCH(CH3)]. Depending on metal counterion, temperature, and substituents, the C-C coupling occurs either at the 2-position (alpha-coupling) or at the C-position (gamma-coupling) of the dienolate, giving beta-amino esters and alpha,beta-unsaturated esters, respectively. The alpha-coupling occurs at -78 degrees C and is reversible, whereas gamma-coupling products are formed upon warming to -20 degrees C. The C-C coupled products may undergo irreversible ring closure to beta-lactams (from beta-amino esters) or 5,6-dihydropyridin-2-ones (from Z)-alpha,beta-unsaturated esters). Starting from enantiomerically pure imine 3c, high (71-92%) asymmetric inductions were realized in both beta-lactams and 5,6-dihydropyridin-2-ones; gamma-coupling of enolate 2a and chiral imine 3d occurred with low diastereoselectivity (15%). Four factors favor the formation of beta-lactams: (i) the use of zinc dienolates, (ii) 4-substitution of the dienolates, (iii) nonaromatic imine N-substituents, and (iv) a low reaction temperature (-78 degrees C). The product formation is discussed in terms of six-membered cyclic transition states, involving either zinc enolates (alpha-coupling) or isomeric allylzinc species (gamma-coupling).
  • New synthesis of 4-acetoxy-2-azetidinones by use of electrochemical oxidation
    作者:Miwako Mori、Katsuji Kagechika、Hiroaki Sasai、Masakatsu Shibasaki
    DOI:10.1016/s0040-4020(01)87042-3
    日期:1991.1
    4-Acetoxy-2-azetidinone was synthesized from 4-carboxy-2-azetidinone by Kolbe-type electrolysis. Optically pure 4-acetoxy-3-[1-(t-butyldimethylsiloxy)ethyl]-2-azetidinone, which is an important intermediate for the synthesis of thienamycin, and (+)-PS-5 were synthesized by use of this method.
    通过Kolbe型电解从4-羧基-2-氮杂环丁酮合成4-乙酰氧基-2-氮杂环丁酮。光学纯的4-乙酰氧基-3- [1-(叔丁基二甲基甲硅烷氧基)乙基] -2-氮杂环丁酮是合成噻吩霉素的重要中间体,并使用该方法合成了(+)-PS-5。
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