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(E)-ethyl 4-(4-bromophenyl)-2-oxobut-3-enoate

中文名称
——
中文别名
——
英文名称
(E)-ethyl 4-(4-bromophenyl)-2-oxobut-3-enoate
英文别名
ethyl (E)-4-(4-bromophenyl)-2-oxobut-3-enoate;Ethyl 4-(4-bromophenyl)-2-oxobut-3-enoate
(E)-ethyl 4-(4-bromophenyl)-2-oxobut-3-enoate化学式
CAS
——
化学式
C12H11BrO3
mdl
——
分子量
283.122
InChiKey
OQTWXANQNYBTKQ-VMPITWQZSA-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):
    3.1
  • 重原子数:
    16
  • 可旋转键数:
    5
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.17
  • 拓扑面积:
    43.4
  • 氢给体数:
    0
  • 氢受体数:
    3

上下游信息

  • 上游原料
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

  • 作为反应物:
    描述:
    (E)-ethyl 4-(4-bromophenyl)-2-oxobut-3-enoate盐酸 、 [NH2Me2]+[{RuCl[(S)-SunPhos]}2(μ-Cl3)] 、 氢气 作用下, 以 乙醇 为溶剂, 70.0 ℃ 、1.4 MPa 条件下, 反应 12.0h, 生成 ethyl (2S)-4-(4-bromophenyl)-2-hydroxybutanoate
    参考文献:
    名称:
    Highly Enantioselective Sequential Hydrogenation of Ethyl 2-Oxo-4-arylbut-3-enoate to Ethyl 2-Hydroxy-4-arylbutyrate
    摘要:
    The hydrogenation of (E)-ethyl 2-oxo-4-arylbut-3-enoate with [NH2Me2](+)[{RuCl [(S)-SunPhos]}2(mu-Cl-3] gave ethyl 2-hydroxy-4-arylbutyrate with 94-96% ee. Further investigation has proved that the hydrogenation proceeded via a sequential hydrogenation of C = O and C = C bonds, which is sensitive to the reaction temperature. Hydrolysis of ethyl 2-hydroxy-4-phenylbutyrate (ee 93%) provided the 2-hydroxy-4-phenylbutyric acid with 81 % yield at 99% ee after a single recrystallization from 1, 2-dichloroethylene.
    DOI:
    10.1021/jo801140j
  • 作为产物:
    描述:
    4-溴肉桂醛氯化亚砜 、 potassium hydroxide 作用下, 以 甲醇 为溶剂, 反应 2.0h, 生成 (E)-ethyl 4-(4-bromophenyl)-2-oxobut-3-enoate
    参考文献:
    名称:
    Synthesis of 5-unsubstituted dihydropyrimidinone-4-carboxylates from deep eutectic mixtures
    摘要:
    报道了一种简便的一锅法合成5-未取代二氢嘧啶酮,其方法是从低熔点ʟ-(+)-酒石酸-N,N-二甲基脲混合物中的β,γ-不饱和酮酯开始。这种无溶剂的方法非常通用,可轻松获得产率良好的5-未取代二氢嘧啶酮-4-羧酸酯衍生物。
    DOI:
    10.3762/bjoc.18.37
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文献信息

  • Facile synthesis of pyrido[3,2-b]indole via multicomponent reaction strategy under aerobic conditions
    作者:Rongrong Jiang、Youming Wang、Zhenghong Zhou
    DOI:10.1016/j.tet.2016.08.050
    日期:2016.10
    developed an organocatalyzed three-component reaction of 1-acetylindolin-3-ones, β,γ-unsaturated α-ketoesters and amines, which provide an efficient approach to access polysubstituted 1H-pyrido[3,2-b]indoles. Under the catalysis of 4-methylbenzenesulfonic acid monohydrate, the reactions of a wide range of 1-acetylindolin-3-ones, β,γ-unsaturated α-ketoesters and amines took place smoothly to generate
    我们已经开发了有机物催化的1-乙酰吲哚-3-酮,β,γ-不饱和α-酮酸酯和胺的三组分反应,这为获得多取代的1 H-吡啶并[3,2- b ]吲哚提供了一种有效的方法。在4-甲基苯磺酸一水合物的催化下,各种1-乙酰吲哚-3-酮,β,γ-不饱和α-酮酸酯和胺类的反应顺利进行,生成相应的稠密取代的1 H-吡啶基[3]。在温和的反应条件下,2-2- b ]吲哚衍生物的收率可以接受。另外,以良好的产率实现了代表性产物向生物学上重要的δ-碳卤化物的进一步转化。
  • Palladium-Catalyzed Asymmetric Formal [3+2] Cycloaddition of Vinyl Cyclopropanes and β,γ-Unsaturated α-Keto Esters: An Effective Route to Highly Functionalized Cyclopentanes
    作者:Liang-yong Mei、Yin Wei、Qin Xu、Min Shi
    DOI:10.1021/om300896z
    日期:2012.11.12
    Palladium-catalyzed asymmetric formal [3+2] cycloaddition of vinyl cyclopropanes and β,γ-unsaturated α-keto esters proceeded smoothly in the presence of chiral imidazoline–phosphine ligands to give the corresponding highly functionalized cyclopentanes in good yields along with high diastereo- and enantioselectivities under mild conditions.
    在手性咪唑啉-膦配体的存在下,钯催化的乙烯基环丙烷和β,γ-不饱和α-酮酯的不对称形式[3 + 2]环加成反应顺利进行,从而得到相应的高度官能化的环戊烷,并具有较高的非对映体-收率。和温和条件下的对映选择性。
  • Enantioselective Organocopper-Catalyzed Hetero Diels–Alder Reaction through <i>in Situ</i> Oxidation of Ethers into Enol Ethers
    作者:Ahmet Yesilcimen、Na-Chuan Jiang、Felix H. Gottlieb、Masayuki Wasa
    DOI:10.1021/jacs.2c01656
    日期:2022.4.13
    We demonstrate that a chiral Cu–BOX complex catalyzes the efficient oxidation of ethers into enol ethers in the presence of trityl acetate. Then, the organocopper promotes stereoselective hetero Diels–Alder reaction between the in situ generated enol ethers and β,γ-unsaturated ketoesters, allowing for rapid access to an array of dihydropyran derivatives possessing three vicinal stereogenic centers.
    我们公开了一种用于烷基醚和杂二烯的对映和非对映选择性结合的催化方法。我们证明了手性 Cu-BOX 配合物在乙酸三苯甲基酯存在下催化醚有效氧化成烯醇醚。然后,有机铜促进原位生成的烯醇醚和 β,γ-不饱和酮酯之间的立体选择性异 Diels-Alder 反应,从而可以快速获得一系列具有三个邻位立体中心的二氢吡喃衍生物。
  • Synthesis of 1,2‐Dicarbonyl‐3‐enes by Hydroacylation of 1‐Alkynes with Glyoxal Derivatives Using Metal–Organic Framework Cu/MOF‐74 as Heterogeneous Catalyst
    作者:Nguyen B. Nguyen、Giao H. Dang、Dung T. Le、Thanh Truong、Nam T. S. Phan
    DOI:10.1002/cplu.201600075
    日期:2016.4
    crystalline copper-based metal-organic framework Cu/MOF-74 was synthesized, and used as an efficient heterogeneous catalyst for the synthesis of 1,2-dicarbonyl-3-enes by means of the hydroacylation of 1-alkynes with glyoxal derivatives in the presence of a base. Cu/MOF-74 was found to be more catalytically active for the synthesis of 1,2-dicarbonyl-3-enes than other MOFs including Cu2 (BDC)2 (DABCO), Cu3
    合成了结晶的铜基金属有机骨架Cu / MOF-74,并将其用作通过1-炔与乙二醛衍生物的加氢酰化反应合成1,2-二羰基-3-烯的有效多相催化剂。基地的存在。发现Cu / MOF-74对合成1,2-二羰基-3-烯具有更高的催化活性,比其他MOF包括Cu2(BDC)2(DABCO),Cu3(BTC)2,Cu(BDC),Cu2 (NDC)2(DABCO),Cu4 I4(DABCO)2,Ni-MOF-74,Zn-MOF-74,Fe3O(BDC)3,In(OH)(BDC)和Zr6 O4(OH)4( BDC)6。Cu / MOF-74还表现出比其他均相铜催化剂更好的性能,包括Cu(OAc)2,Cu(NO3)2,CuI,CuBr,CuCl,CuCl2和CuBr2。Cu / MOF催化剂能够被回收并重复使用几次,而催化活性没有明显降低。据我们所知,
  • Direct Synthesis of β,γ-Unsaturated α-Keto Esters from Aldehydes and Pyruvates
    作者:John Mansaray、Jiarui Sun、Shisheng Huang、Weijun Yao
    DOI:10.1055/s-0037-1612255
    日期:2019.4
    methods to synthesize β,γ-unsaturated α-keto esters directly from aldehydes and pyruvates promoted by BF3•Et2O in the presence of Ac2O or by Ti(OEt)4 under mild conditions. A variety of aromatic aldehydes was tolerated to afford the desired products in moderate to excellent yield. Moreover, aliphatic aldehydes and Isatin were also employed to give the γ-alkyl β,γ-unsaturated α-keto esters in moderate yield
    在这里,我们描述了两种实用的方法,在温和条件下,在 Ac2O 或 Ti(OEt)4 存在下,由 BF3•Et2O 促进的醛和丙酮酸盐直接合成 β,γ-不饱和 α-酮酯。可以耐受各种芳香醛,以中等至极好的收率提供所需的产品。此外,脂肪醛和靛红也被用于通过使用 Ti(OEt)4 系统以中等产率得到 γ-烷基 β,γ-不饱和 α-酮酯。
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