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S-p-tolyl prop-2-enethioate | 872827-92-4

中文名称
——
中文别名
——
英文名称
S-p-tolyl prop-2-enethioate
英文别名
thioacrylic acid S-p-tolyl ester;thioacrylic acid p-tolyl ester;S-(p-tolyl) thioacrylate;S-(4-methylphenyl) 2-propenethioate;Thioacrylsaeure-S-p-tolylester;S-p-Tolyl-thioacrylat;4-Acryloylmercapto-toluol;S-(4-methylphenyl) prop-2-enethioate
S-p-tolyl prop-2-enethioate化学式
CAS
872827-92-4
化学式
C10H10OS
mdl
——
分子量
178.255
InChiKey
PWCKULLGZSMPRF-UHFFFAOYSA-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):
    3.2
  • 重原子数:
    12
  • 可旋转键数:
    3
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.1
  • 拓扑面积:
    42.4
  • 氢给体数:
    0
  • 氢受体数:
    2

反应信息

  • 作为反应物:
    描述:
    S-p-tolyl prop-2-enethioatecopper(l) iodideHoveyda-Grubbs catalyst second generation三氟乙酸 作用下, 以 乙醚二氯甲烷 为溶剂, 反应 3.0h, 生成
    参考文献:
    名称:
    Synthesis of the C20–C32 Tetrahydropyran Core of the Phorboxazoles and the C22 Epimer via a Stereodivergent Michael Reaction
    摘要:
    A stereoselective synthesis of the C20-C32 tetrahydropyran core of the phorboxazoles has been achieved in only seven steps and in a 31% overall yield. The C22 epimer was also synthesized. The key step was a silyl ether deprotection/oxy-Michael cyclization. When this step was conducted under Bronsted acid conditions, the C20-C32 core was formed with the desired 2,6-cis-stereochemistry. However, when the silyl ether deprotection/oxy-Michael cyclization was conducted under fluoride conditions buffered with acetic acid, the C22 epimer of the core was the sole product.
    DOI:
    10.1021/ol3026523
  • 作为产物:
    描述:
    4'-methylphenyl 3-bromothiolopropionate 在 3,4-二硝基苯酚钠 作用下, 以 四氢呋喃 为溶剂, 生成 S-p-tolyl prop-2-enethioate
    参考文献:
    名称:
    Dehydrobromination of some substituted phenyl 3-bromopropionates and phenyl 3-bromothiolopropionates. Transmission of activation effects through acyl bonds
    摘要:
    DOI:
    10.1021/jo00164a017
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文献信息

  • Asymmetric “Clip-Cycle” Synthesis of Pyrrolidines and Spiropyrrolidines
    作者:Christopher J. Maddocks、Kristaps Ermanis、Paul A. Clarke
    DOI:10.1021/acs.orglett.0c03090
    日期:2020.10.16
    increasingly important scaffolds in drug discovery programs, is reported. Cbz-protected bis-homoallylic amines were activated by “clipping” them to thioacrylate via an alkene metathesis reaction. Enantioselective intramolecular aza-Michael cyclization onto the activated alkene, catalyzed by a chiral phosphoric acid, formed a pyrrolidine. The reaction accommodated a range of substitutions to form 2,2- and 3,3-disubstituted
    据报道,在药物发现计划中,越来越重要的2,2-和3,3-二取代的吡咯烷和螺吡咯烷的不对称“夹子循环”合成已经得到发展。Cbz保护的双均烯丙基胺是通过烯烃易位反应将其“剪切”为硫代丙烯酸酯而活化的。通过手性磷酸催化的对映选择性分子内氮杂-Michael环化到活化的烯烃上,形成吡咯烷。反应进行了一系列取代,形成了具有高对映选择性的2,2-和3,3-二取代的吡咯烷和螺吡咯烷。通过与含酮和含氧酸酯的底物进行比较,证明了硫酯活化基团的重要性。DFT研究支持将aza-Michael环化作为决定速率和立体化学的步骤,并正确预测了主要对映异构体的形成。催化不对称合成具有“ DNA结合”和抗菌特性的N-甲基吡咯烷生物碱(R)-吡啶和(R)-bgugaine是使用“夹环”方法获得的。
  • Stereoselective Synthesis of 2,6-<i>Cis</i>-Substituted Tetrahydropyrans: Brønsted Acid-Catalyzed Intramolecular Oxa-Conjugate Cyclization of α,β-Unsaturated Ester Surrogates
    作者:Haruhiko Fuwa、Naoki Ichinokawa、Kenkichi Noto、Makoto Sasaki
    DOI:10.1021/jo202179s
    日期:2012.3.16
    for the synthesis of tetrahydropyrans. However, it has been known that stereochemical outcome of IOCC depends on the local structure of substrates and sometimes requires harsh reaction conditions and/or prolonged reaction times for selective formation of 2,6-cis-substituted tetrahydropyrans. These shortcomings limit the feasibility of IOCC in the context of complex natural product synthesis. In this
    α,β-不饱和羰基化合物的分子内氧杂共轭环化(IOCC),是通过用碱去质子化触发的,是合成四氢吡喃的直接方法。然而,已知IOCC的立体化学结果取决于底物的局部结构,并且有时需要苛刻的反应条件和/或延长的反应时间以选择性地形成2,6-顺式取代的四氢吡喃。这些缺点限制了IOCC在复杂的天然产物合成中的可行性。在本文中,我们描述了在温和的反应条件下,布朗斯台德酸催化的α,β-不饱和酯替代物(例如,α,β-不饱和硫代酯,恶唑烷酮酰亚胺和吡咯酰胺)的IOCC,可提供一系列合成上通用的2, 6-顺式取代的四氢吡喃衍生物,具有良好至出色的立体选择性(dr为7:1至> 20:1)。发现这些α,β-不饱和羰基化合物比通常对布朗斯台德酸催化的分子内氧杂-共轭物加成没有反应性的相应的含氧酸酯有更高的反应性。产品四氢吡喃类化合物可以有效地转化为各种衍生物,突出了我们方法学的有用性。
  • Enantioselective “clip-cycle” synthesis of di-, tri- and spiro-substituted tetrahydropyrans
    作者:Khadra Alomari、N. Sai Pavan Chakravarthy、Bastien Duchadeau、Kristaps Ermanis、Paul A. Clarke
    DOI:10.1039/d2ob00023g
    日期:——
    ω-Unsaturated alcohols were “clipped” via alkene metathesis to a thioester activating group, which was followed by a chiral phosphoric acid catalyzed intramolecular oxa-Michael cyclization to yield tetrahydropyrans and spiro-tetrahydropyrans with excellent enantioselectivity. The mechanism and origin of the enantioselectivity was probed by DFT calculations and kinetic isotope studies, where there was
    ω-不饱和醇通过烯烃复分解被“剪裁”成硫酯活化基团,随后手性磷酸催化分子内氧杂-迈克尔环化产生具有优异对映选择性的四氢吡喃和螺-四氢吡喃。通过 DFT 计算和动力学同位素研究探讨了对映选择性的机制和起源,其中计算和合成研究之间存在极好的相关性。
  • Reppe, Justus Liebigs Annalen der Chemie, 1953, vol. 582, p. 1,13, 31
    作者:Reppe
    DOI:——
    日期:——
  • Reppe,J. W., Acetylene Chemistry <New York 1949> S. 160
    作者:Reppe,J. W.
    DOI:——
    日期:——
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同类化合物

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