(1-溴甲基-乙烯基)-苯 | 3360-54-1

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: (1-溴甲基-乙烯基)-苯
• 中文别名: (3-溴丙-1-烯-2-基)苯
• 英文名称: 3-bromo-2-phenylprop-1-ene
• 英文别名: 3-bromo-2-phenylpropene；(3-bromoprop-1-en-2-yl)benzene；3-bromo-2-phenyl-1-propene；α-(bromomethyl)styrene；3-bromoprop-1-en-2-ylbenzene
• CAS: 3360-54-1
• 化学式: C₉H₉Br
• mdl: MFCD09031921
• 分子量: 197.074
• InChiKey: RMMHOFFPGKSRDI-UHFFFAOYSA-N

物化性质

• 熔点：
  29 °C(Solv: ethanol (64-17-5))
• 沸点：
  132 °C(Press: 17 Torr)
• 密度：
  1.3700 g/cm3

计算性质

• 辛醇/水分配系数(LogP)：
  3.7
• 重原子数：
  10
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.111
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

安全信息

• 海关编码：
  2903999090
• 储存条件：
  2-8°C，保持干燥环境。

反应信息

• 作为反应物：
  描述：

  (1-溴甲基-乙烯基)-苯 在 氢氧化钾 、 二甲基硫 、 臭氧 、 lithium diisopropyl amide 作用下， 以 甲醇 、 水 为溶剂， 反应 34.0h， 生成 4-oxo-2-phenacyl-4-phenyl-butyric acid
  参考文献：
  名称：

  Ligand-Induced Selectivity in the Rhodium(II)-Catalyzed Reactions of α-Diazo Carbonyl Compounds

  摘要：

  3-Allyl-2,5-diazopentanedione and 3-butenyl-2,5-diazopentanedione were allowed to react with a trace amount of a rhodium(II) catalyst in methylene chloride at room temperature. The major products isolated correspond to the internal trapping of a carbonyl ylide as well as intramolecular cyclopropanation. Changing the catalyst from Rh-2(OAc)(4) to Rh-2(cap)(4) to Rh-2(tfa)(4) caused a significant alteration in product distribution. A rather unusual and unexpected regiochemical crossover in the cycloaddition occurred when Rh-2(tfa)(4) was used and is most likely due to complexation of the metal with the dipole. A computational approach to rationalize the observed product distribution was carried out. The thermodynamic stabilities of cycloaddition transition states were approximated from the computationally derived strain energies of ground state molecules using traditional force-field techniques. Globally minimized ground state energies were obtained for all possible cycloaddition products, and final strain energies were calculated. In all cases studied, the lower energy isomer corresponded to the cycloadduct actually isolated. A study of the regiochemical aspects of the Rh(II)-catalyzed reaction of 1-diazo-3-(2-oxo-2-phenylethyl)hexane-2, was also carried out. Cyclization of the initially formed rhodium carbenoid occurred exclusively across the acetyl rather than the benzoyl group. The structure of the internal cycloadduct was assigned on the basis of a proton-detected multiple-bond heteronuclear multiple-quantum coherence experiment.

  DOI：

  10.1021/jo951576n
• 作为产物：
  描述：

  2-苯基-1-丙烯 在 N-溴代丁二酰亚胺(NBS) 作用下， 以 氯仿 为溶剂， 反应 4.0h， 以92%的产率得到(1-溴甲基-乙烯基)-苯
  参考文献：
  名称：

  甲酰胺为氰源的镍催化烯丙醇氰化反应

  摘要：

  首次实现了甲酰胺作为安全氰源替代有毒氰化物的未活化烯丙醇氰化制备各种α,β-不饱和腈的方法。

  DOI：

  10.1002/ejoc.202200339
• 作为试剂：
  描述：

  2,2,6,6-四甲基哌啶氧化物 、 diethyl 4-cyclohexyl-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate 在 (1-溴甲基-乙烯基)-苯 、 tetrabutylammonium tetrafluoroborate 作用下， 以 1,2-二氯乙烷 为溶剂， 反应 4.0h， 以15%的产率得到1-cyclohexyloxy-2,2,6,6-tetramethylpiperidine
  参考文献：
  名称：

  通过烷基 1,4-二氢吡啶的断裂电化学诱导自由基烯丙基化

  摘要：

  醛是天然产物和药物中丰富的化学基序。作为自由基前体，其应用受到限制。二氢吡啶（DHPs）可以作为掩蔽醛，在路易斯酸活化、热、SET氧化剂和光照射下提供烷基自由基。在这里，我们报告了通过阳极上的单电子转移直接激活 4-烷基 DHP 。DHP的C4位C -C键均裂产生相应的烷基自由基，随后被2-苯基和2-乙氧基羰基烯丙基溴捕获。以下分子内消除反应提供了 20 种不同的带有各种烷基取代基的自由基烯丙基化产物，产率高达 92%。

  DOI：

  10.1016/j.tetlet.2022.153646

文献信息

• Copper-Catalyzed Amino Lactonization and Amino Oxygenation of Alkenes Using <i>O</i>-Benzoylhydroxylamines
  作者：Brett N. Hemric、Kun Shen、Qiu Wang

  DOI：10.1021/jacs.6b02840

  日期：2016.5.11

  A copper-catalyzed amino lactonization of unsaturated carboxylic acids has been achieved as well as the analogous intermolecular three-component amino oxygenation of olefins. The transformation features mild conditions and a remarkably broad substrate scope, offering a novel and efficient approach to construct a wide range of amino lactones as well as 1,2-amino alcohol derivatives. Mechanistic studies

  已经实现了铜催化的不饱和羧酸的氨基内酯化以及烯烃的类似分子间三组分氨基氧化。该转化具有温和的条件和非常广泛的底物范围，为构建各种氨基内酯和 1,2-氨基醇衍生物提供了一种新颖而有效的方法。机理研究表明，该反应是通过独特的 O-苯甲酰羟胺促进的烯烃亲电胺化进行的。
• Synthesis of 1‐(3 <i>H</i> )isobenzofuranone compounds by tin powder promoted cascade condensation reaction
  作者：Shangxian Wang、Ke‐Hu Wang、Bo Chang、Danfeng Huang、Yulai Hu

  DOI：10.1002/aoc.6249

  日期：2021.7

  An efficient approach for the construction of phthalide compounds is developed through tin powder mediated cascade condensation reaction of 2-formylbenzoic acids with allyl bromides or α-bromoketone under mild reaction conditions. This method is easy to operate and can tolerate various functional groups to give the corresponding phthalides in good to excellent yields. The phthalides produced from α-bromoketone

  通过锡粉介导的 2-甲酰基苯甲酸与烯丙基溴或α-溴酮在温和反应条件下的级联缩合反应，开发了一种有效的邻苯二甲酸酯化合物构建方法。该方法操作简单，可以耐受各种官能团，从而以良好到极好的收率得到相应的邻苯二甲酸酯。由α-溴酮生产的邻苯二甲酸酯可进一步转化为3,3a -dihydro -8 H -pyrazolo [5, l - a ]isoindol-8-one和8 H -pyrazolo[5, l- a ]isoindol-8-一。
• Copper(II)-Catalyzed Enantioselective Intramolecular Cyclization of <i>N</i>-Alkenylureas
  作者：Shaomin Fu、Honghao Yang、Guoqiang Li、Yuanfu Deng、Huanfeng Jiang、Wei Zeng

  DOI：10.1021/acs.orglett.5b00131

  日期：2015.2.20

  Cu(II)-catalyzed highly enantioselective intramolecular cyclization of N-alkenylureas was developed for the concise assembly of chiral vicinal diamino bicyclic heterocycles. Facile removal of carbonyl group of the carbamido moiety allowed for ready access to enantioenriched cyclic vicinal diamines.

  开发了第一个Cu（II）催化的N-烯基脲的高对映选择性分子内环化反应，用于手性邻位二氨基双环杂环的简洁组装。轻松去除氨基甲酸酯基团的羰基使得可以容易地获得对映体富集的环状邻位二胺。
• Rhodium-Catalyzed Alkene Difunctionalization with Nitrenes
  作者：Jennifer Ciesielski、Geoffroy Dequirez、Pascal Retailleau、Vincent Gandon、Philippe Dauban

  DOI：10.1002/chem.201600393

  日期：2016.6.27

  nucleophilic ring opening induced by an Rh‐bound nitrene generated in situ, details of which were uncovered by both experimental and theoretical studies. In particular, DFT calculations show that the nitrogen atom of the putative [Rh]2=NR metallanitrene intermediate is electrophilic and support an aziridine activation pathway by N⋅⋅⋅N=[Rh]2 bond formation, in addition to the N⋅⋅⋅[Rh]2=NR coordination mode.

  Rh II催化的烯烃氧化和氨基化反应分别生成1,2-氨基醇和1,2-二胺，收率高至优异，并且具有完全的区域控制能力。在金属化的情况下，分子内反应提供了制备吡咯烷的有效方法，并且分子间反应产生具有正交保护基的邻位胺。这些烯烃的双官能化是通过叠氮化进行的，然后由原位生成的Rh结合的腈诱导亲核开环，实验和理论研究均未揭示其细节。尤其是，DFT计算表明，推定的[Rh] 2 = NR金属镧系中间体的氮原子是亲电子的，并通过N支持氮丙啶激活途径除了N⋅⋅⋅ [Rh] 2 = NR配位模式之外，⋅⋅⋅N = [Rh] 2键的形成。
• Controlling Selectivity for Cycloadditions of Nitrones and Alkenes Tethered by Benzimidazoles: Combining Experiment and Theory
  作者：Liping Meng、Selina C. Wang、James C. Fettinger、Mark J. Kurth、Dean J. Tantillo

  DOI：10.1002/ejoc.200801211

  日期：2009.4

  Herein we describe a combined experimental/theoretical study on the effects of substituents on regio- and stereoselectivity in intramolecular 1,3-dipolar cycloadditions of nitrones and alkenes tethered by benzimidazoles. By employing a large substituent at position R2 or R3, complete selectivity was achieved for either the fused or bridged cycloadduct, respectively. In addition, these cycloadducts

  本文中，我们描述了结合的实验/理论研究，涉及取代基对苯并咪唑束缚的硝酮和烯烃的分子内1,3-偶极环加成反应中区域和立体选择性的影响。通过在位置R2或R3处使用大取代基，分别对稠合或桥接的环加合物实现了完全的选择性。另外，这些环加合物在所有检查的环加成物中均形成为单一非对映异构体。