2-乙炔苯甲酸甲酯 | 33577-99-0

• 物质功能分类: 化学试剂 - 有机试剂 - 酯类
• 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: 2-乙炔苯甲酸甲酯
• 中文别名: 2-乙炔基苯甲酸甲酯
• 英文名称: 2-ethynyl-benzoic acid methyl ester
• 英文别名: methyl 2-ethynylbenzoate；2-methoxycarbonylphenylacetylene；ortho-methoxycarbonylphenylacetylene
• CAS: 33577-99-0
• 化学式: C₁₀H₈O₂
• 分子量: 160.172
• InChiKey: LBMDZNOARBBHHG-UHFFFAOYSA-N

物化性质

• 沸点：
  80-85 °C(Press: 1 Torr)
• 密度：
  1.11±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 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：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 海关编码：
  2916399090
• 危险性防范说明：
  P280,P305+P351+P338
• 危险性描述：
  H302
• 储存条件：
  室温

反应信息

• 作为反应物：
  描述：

  2-乙炔苯甲酸甲酯 在 Lindlar's catalyst 喹啉 、 potassium trimethylsilonate 、 氢气 、 氯甲酸甲酯 作用下， 以 乙醚 、 Petroleum ether 为溶剂， 反应 32.0h， 生成 o-Ethenyl-α-diazoacetophenone
  参考文献：
  名称：

  A comparative study of the decomposition of o-alkynyl-substituted aryl diazo ketones. Synthesis of polysubstituted .beta.-naphthols via arylketene intermediates

  摘要：

  The photochemical, thermal, and rhodium-catalyzed decomposition reactions of several closely related o-alkynyl or o-alkenyl alpha-diazoaceto- and propiophenone derivatives have been studied. The reaction outcome is markedly dependent upon the reaction conditions employed for nitrogen extrusion. Thermolysis or photolysis of o-alkynyl alpha-diazopropiophenone derivatives yields polysubstituted beta-naphthols. These products are derived from Wolff rearrangement of the initially formed carbene to give an aryl ketene which undergoes intramolecular cyclization onto the o-alkynyl substituent. In direct contrast to the thermal and photochemical results, Rh(II)-catalyzed decomposition yields products derived from direct attack of a rhodium carbenoid onto the tethered pi-system producing a vinyl carbenoid intermediate. Further reaction of the cyclized carbenoid with the starting diazo compound furnishes a vinyl indenone which undergoes a rapid intramolecular Diels-Alder reaction to produce a novel dimer whose structure was elucidated by an X-ray crystal analysis. Replacement of the methyl group on the diazo center with a sterically less demanding hydrogen atom was also found to play an important role in controlling the outcome of the Rh(II)-catalyzed reaction.

  DOI：

  10.1021/jo00075a045
• 作为产物：
  描述：

  甲基 2-(3-羟基-1-丙炔)苯甲酸 在 manganese(IV) oxide 、 氢氧化钾 作用下， 以 乙醚 为溶剂， 反应 0.5h， 以57%的产率得到2-乙炔苯甲酸甲酯
  参考文献：
  名称：

  Bumagin, N. A.; Ponomarev, A. B.; Beletskaya, I. P., Doklady Chemistry, 1985, vol. 283, p. 212 - 214

  摘要：

  DOI：

文献信息

• Aminium cation-radical catalysed selective hydration of (<i>E</i>)-aryl enynes
  作者：Marie-Claire Giel、Andrew S. Barrow、Christopher J. Smedley、William Lewis、John E. Moses

  DOI：10.1039/d1cc02257a

  日期：——

  The hydration of carbon–carbon triple bonds is an important and atom economic synthetic transformation. Herein, we report a mild and selective method for the catalytic Markovnikov hydration of (E)-aryl enynes to the corresponding enones, mediated through the bench-stable aminium salt, tris(4-bromophenyl)ammoniumyl hexachloroantimonate (TBPA). The chemoselective and diastereoselective method proceeds

  碳-碳三键的水合是一种重要的原子经济合成转化。在此，我们报告了一种温和且选择性的催化马尔科夫尼科夫水合 ( E )-芳基烯炔生成相应烯酮的方法，该方法通过稳定的铵盐三（4-溴苯基）六氯锑酸铵 (TBPA) 介导。化学选择性和非对映选择性方法在中性无金属条件下进行，从末端和内部炔烃单元提供出色的产品收率。生物学上重要的 ( E )-3-苯乙烯基异香豆素的合成，包括天然产物 achlisocoumarin III 的正式合成，证明了这种新型转化的效用。
• Hypervalent Iodine-Mediated Intramolecular <i>trans</i>-Aminocarboxylation and Oxoaminocarboxylation of Alkynes: Divergent Cascade Annulations of Isocoumarins under Metal-Free Conditions
  作者：Xiang Zhang、Wenjuan Hou、Daisy Zhang-Negrerie、Kang Zhao、Yunfei Du

  DOI：10.1021/acs.orglett.5b02611

  日期：2015.11.6

  An exclusive trans-aminocarboxylation and oxoaminocarboxylation of diarylalkynes were realized through hypervalent iodine-mediated cascade annulations under metal-free conditions, leading to divergent assembly of fused or spiro polycyclic heterocycles with a dosage of the hypervalent iodine oxidant. The mechanisms for the formation of both products are proposed.

  二芳基炔烃的排他性反氨基氨基化和氧氨基羧基化是通过在无金属条件下通过高价碘介导的级联环化实现的，从而导致稠合或螺环多环杂环与不同剂量的高价碘氧化剂发生发散组装。提出了两种产物形成的机理。
• Nickel-catalyzed direct alkynylation of C(sp²)–H bonds of amides: an “inverse Sonogashira strategy” to ortho-alkynylbenzoic acids
  作者：Vinod G. Landge、Chinmay H. Shewale、Garima Jaiswal、Manoj K. Sahoo、Siba P. Midya、Ekambaram Balaraman

  DOI：10.1039/c5cy01299f

  日期：——

  Nickel-catalyzed direct alkynylation of C(sp2)–H bonds of amides using commercially available, inexpensive 8-aminoquinoline as a removable bidentate directing group is described. The present ortho-alkynylation has a broad substrate scope, functional group tolerance and high regiocontrol, and can be scaled up. The efficiency and selectivity of this strategy provide sustainable routes to a diverse array of ortho-alkynylbenzoic

  描述了使用可商购的便宜的8-氨基喹啉作为可移动的双齿导向基团的镍催化酰胺的C（sp 2）-H键直接烷基化。本发明的邻炔基化具有广泛的底物范围，官能团耐受性和高区域控制性，并且可以扩大规模。该策略的效率和选择性为在Ni（II）催化条件下向各种各样的邻炔基苯甲酸提供了可持续的途径。
• [EN] SMALL MOLECULE INHIBITORS OF A PROTEIN COMPLEX<br/>[FR] INHIBITEURS À PETITES MOLÉCULES D'UN COMPLEXE PROTÉIQUE
  申请人：UNIV CALIFORNIA

  公开号：WO2020247608A1

  公开（公告）日：2020-12-10

  Compositions and methods for treating thrombosis, inflammation, and atherosclerosis by administration of a compound that binds to KRIT1 to inhibit binding with HEG1.

  通过给予结合到KRIT1以抑制与HEG1结合的化合物的治疗血栓形成、炎症和动脉粥样硬化的组合物和方法。
• An aryl thiol–vinyl azide coupling reaction and a thiol–vinyl azide coupling/cyclization cascade: efficient synthesis of β-ketosulfides and arene-fused 5-methylene-2-pyrrolidinone derivatives
  作者：Yong Wang、Yu-Jiao Wang、Xian-Chen Liang、Mei-Hua Shen、Hua-Dong Xu、Defeng Xu

  DOI：10.1039/d1ob00328c

  日期：——

  The addition reaction of thiol to vinyl azide has been extensively studied. Variously substituted aryl thiols are all viable for this coupling process. The scope of the other partner is successfully expanded from α-aryl vinyl azide to α-alkyl vinyl azide. A thiol–vinyl azide coupling/cyclization cascade is realized with substituted aryl vinyl azides carrying a 2-methoxycarbonyl group. The value of

  硫醇与叠氮化乙烯的加成反应已被广泛研究。各种取代的芳基硫醇对于这种偶联过程都是可行的。另一个合作伙伴的范围从α-芳基乙烯基叠氮化物成功扩展到了α-烷基乙烯基叠氮化物。硫醇-乙烯基叠氮化物偶联/环化级联是通过带有 2-甲氧基羰基的取代芳基乙烯基叠氮化物实现的。β-酮硫醚产品的价值通过其在S-杂环合成中的应用得到证明。

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