| 1421479-78-8

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• CAS: 1421479-78-8
• 化学式: C₁₈H₁₆O
• 分子量: 248.324
• InChiKey: ATLZUXGPROGBBJ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.81
• 重原子数：
  19.0
• 可旋转键数：
  4.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  9.23
• 氢给体数：
  0.0
• 氢受体数：
  1.0

反应信息

• 作为反应物：
  描述：

  在 bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} 、 Ca(bis(triflimide))2 、 tert-butylammonium hexafluorophosphate(V) 作用下， 以 二氯甲烷 、 1,2-二氯乙烷 为溶剂， 反应 11.0h， 生成 diethyl 5-(benzyloxymethyl)-2-(4-methoxyphenyl)-5-(phenylethynyl)oxolane-3,3-dicarboxylate
  参考文献：
  名称：

  The Alkynyl Moiety as a Donor for Donor–Acceptor Cyclopropanes

  摘要：

  The first trans-selective [3 + 2]-cycloaddition of a new type of donor acceptor cyclopropane with aldehydes is presented. 2,2-Disubstituted cyclopropanes, bearing an allryne moiety as the sole donor entity, were transformed to highly substituted tetrahydrofurans in the presence of a catalytic amount of Ca(NTf2)(2)/Bu4NPF6. The protocol allows for an easy access to tetrahydrofurans bearing a versatile alkyne substituent at the quarternary 2-position under very mild reaction conditions.

  DOI：

  10.1021/ol400809n
• 作为产物：
  描述：

  苯乙炔 在 正丁基锂 作用下， 以 四氢呋喃 为溶剂， 生成
  参考文献：
  名称：

  The Alkynyl Moiety as a Donor for Donor–Acceptor Cyclopropanes

  摘要：

  The first trans-selective [3 + 2]-cycloaddition of a new type of donor acceptor cyclopropane with aldehydes is presented. 2,2-Disubstituted cyclopropanes, bearing an allryne moiety as the sole donor entity, were transformed to highly substituted tetrahydrofurans in the presence of a catalytic amount of Ca(NTf2)(2)/Bu4NPF6. The protocol allows for an easy access to tetrahydrofurans bearing a versatile alkyne substituent at the quarternary 2-position under very mild reaction conditions.

  DOI：

  10.1021/ol400809n

文献信息

• Cobalt-Catalyzed gem-Cross-Dimerization of Terminal Alkynes
  作者：Jia-Feng Chen、Changkun Li

  DOI：10.1021/acscatal.9b05078

  日期：2020.3.20

  Transition-metal-catalyzed dimerization of two different terminal alkynes provides an atom-economic synthesis of valuable conjugated 1,3-enynes. Despite many catalyst systems developed, the state-of-the-art solutions are still limited to special alkynes. A practical catalyst, which could be used to cross-dimerize general aryl alkynes and aliphatic alkynes, is still highly desired. Herein we present

  两种不同末端炔烃的过渡金属催化二聚反应可提供有价值的共轭1,3-烯炔的原子经济合成。尽管开发了许多催化剂系统，但最新的解决方案仍然仅限于特殊的炔烃。仍然非常需要一种实用的催化剂，该催化剂可用于使一般的芳基炔烃和脂族炔烃交叉二聚。在本文中，我们提出了在温和的反应条件下，富含土的Co（II）催化的芳基炔烃和脂族炔烃或气体乙炔的高度宝石选择性交叉二聚。可以高产率制备具有各种有用官能团的共轭1，3-烯炔。Co（OAc）2和叔丁基取代的三配体的应用对于区分炔烃在不同步骤并实现宝石选择性至关重要。
• Rhodium-Catalyzed Chemo- and Regioselective Cross-Dimerization of Two Terminal Alkynes
  作者：Hua-Dong Xu、Ren-Wei Zhang、Xiaoxun Li、Suyu Huang、Weiping Tang、Wen-Hao Hu

  DOI：10.1021/ol303531m

  日期：2013.2.15

  Cross-dimerization of terminal arylacetylenes and terminal propargylic alcohols/amides has been achieved in the presence of a rhodium catalyst. This method features high chemo- and regioselectivities rendering convenient and atom economical access to functionalized enynes.