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Ethyl 3-bromo-2,5-dimethyl-3,4-hexadienoate | 174536-14-2

中文名称
——
中文别名
——
英文名称
Ethyl 3-bromo-2,5-dimethyl-3,4-hexadienoate
英文别名
——
Ethyl 3-bromo-2,5-dimethyl-3,4-hexadienoate化学式
CAS
174536-14-2
化学式
C10H15BrO2
mdl
——
分子量
247.132
InChiKey
KWRUIDVZFIZWHM-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):
    2.7
  • 重原子数:
    13
  • 可旋转键数:
    4
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.6
  • 拓扑面积:
    26.3
  • 氢给体数:
    0
  • 氢受体数:
    2

反应信息

  • 作为反应物:
    描述:
    Ethyl 3-bromo-2,5-dimethyl-3,4-hexadienoate 在 [Pd((CN(C10H6)C6H4NCH3)2)(H2O)2](2+)*2O3SCF3(1-)=[Pd((CN(C10H6)C6H4NCH3)2)(H2O)2][O3SCF3]2 、 sodium hexamethyldisilazane三乙胺 作用下, 以 1,4-二氧六环乙腈 为溶剂, 反应 26.0h, 生成 ethyl 2,5-dimethyl-3-phenylhexa-2,4-dienoate
    参考文献:
    名称:
    轴向手性N-杂环卡宾-Pd2 +配合物催化的异丙基苯磺酸不对称加成芳基硼酸
    摘要:
    异丙苯+卡宾=手性!N杂环卡宾-钯络合物催化将硼酸不对称地添加到异丙苯衍生物中,可提供所需的烯丙基产物,其收率良好至优异,对映选择性中等至良好。这些光学活性的烯丙基加合物可以以高收率和完整的手性被进一步转化为有用的手性产物(参见方案)。
    DOI:
    10.1002/chem.201100703
  • 作为产物:
    描述:
    2-甲基-3-丁炔-2-醇氢氧化钾次溴酸钾丙酸 作用下, 以 甲苯正戊烷 为溶剂, 反应 3.5h, 生成 Ethyl 3-bromo-2,5-dimethyl-3,4-hexadienoate
    参考文献:
    名称:
    Saalfrank, Rolf W.; Welch, Andreas; Haubner, Martin, Liebigs Annalen, 1996, # 2, p. 171 - 181
    摘要:
    DOI:
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文献信息

  • Yne-Allenes from 1-Bromoallenes and Trimethylstannylacetylenes via Palladium-Mediated C–C Coupling Reactions
    作者:Rolf W. Saalfrank、Martin Haubner、Christian Deutscher、Walter Bauer
    DOI:10.1002/(sici)1099-0690(199909)1999:9<2367::aid-ejoc2367>3.0.co;2-9
    日期:1999.9
    provided a convenient route for the synthesis of the conjugated yne-allenes 7 or the diastereomeric yne-diallenes, meso-9 and (R,R)/(S,S)-9. Analogously to 7, the phosphorylyne-allenes 14 were also prepared under Stille conditions, starting from the phosphorylallenes 12 and propargylstannane 6a. Alternatively, yne-allenes 17 and 18 were obtained from hexadiynol 16 with orthoester 2b or diethoxychlorophosphane
    溴丙炔 3 与甲炔基炔烃 6 或二甲炔基炔烃 8 的斯蒂勒交叉偶联为合成共轭炔-丙炔-7 或非对映异构炔-二丙炔、meso-9 和 (R,R)/(S, S)-9。与 7 类似,磷酰炔-丙二烯 14 也在斯蒂勒条件下制备,从磷酰丙二烯 12 和炔丙基锡烷 6a 开始。或者,炔-丙二烯17和18是通过[3.3]-和[2.3]-sigmatropic重排从己二炔醇16与原酸酯2b或二乙氧基氯膦13a获得的。
  • Saalfrank, Rolf, W.; Welch, Andreas; Haubner, Martin, Angewandte Chemie, 1995, vol. 107, # 23/24, p. 2937 - 2938
    作者:Saalfrank, Rolf, W.、Welch, Andreas、Haubner, Martin
    DOI:——
    日期:——
  • Cation-Mediated, Substituent-Controlled, C<sup>2</sup>−C<sup>7</sup> Cycloaromatization of an Enyne−Allene
    作者:Rolf W. Saalfrank、Martin Haubner、Christian Deutscher、Walter Bauer、Timothy Clark
    DOI:10.1021/jo982340x
    日期:1999.8.1
    Reaction of(2-bromophenylethynyl)trimethylsilane 1 with trimethyl berate yielded the alkynearyl-boronic acid 2, which was coupled in situ with the bromoallenes 3 to give enyne-allenes 4. The intermediates 4 underwent a spontaneous cation-mediated C-2-C-7 cycloaromatization with a concomitant 1,2-shift of the trimethylsilyl group to give the naphthalene derivatives 5. Besides 5, yne-allenes 10 were isolated by chromatography of the crude reaction products. A key step in the formation of 10 is the hydrolysis of the aryl boronic acid 2, which led to phenylethynyltrimethylsilane 8. Under the reaction conditions used, the TMS group of 8 was subsequently removed to give phenylacetylene 9, which further reacted with the bromoallenes 3 to furnish the yne-allenes 10.
  • Asymmetric Addition of Arylboronic Acids to Cumulene Derivatives Catalyzed by Axially Chiral N-Heterocyclic Carbene-Pd2+ Complexes
    作者:Zhen Liu、Peng Gu、Min Shi
    DOI:10.1002/chem.201100703
    日期:2011.5.16
    Cumulene+carbene=chirality! Asymmetric additions of boronic acids to cumulene derivatives, catalyzed by an N‐heterocyclic carbene–palladium complex, provide the desired allenic products in good to excellent yields and moderate to good enantioselectivities. These optically active allenic adducts can be further transformed to useful chiral products in good yields and with an intact chirality (see scheme)
    异丙苯+卡宾=手性!N杂环卡宾-钯络合物催化将硼酸不对称地添加到异丙苯衍生物中,可提供所需的烯丙基产物,其收率良好至优异,对映选择性中等至良好。这些光学活性的烯丙基加合物可以以高收率和完整的手性被进一步转化为有用的手性产物(参见方案)。
  • Saalfrank, Rolf W.; Welch, Andreas; Haubner, Martin, Liebigs Annalen, 1996, # 2, p. 171 - 181
    作者:Saalfrank, Rolf W.、Welch, Andreas、Haubner, Martin、Bauer, Udo
    DOI:——
    日期:——
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