methyl 2-diazo-3-(furan-3-yl)-3-oxopropanoate | 1280722-84-0

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: methyl 2-diazo-3-(furan-3-yl)-3-oxopropanoate
• 英文别名: (E)-2-diazonio-1-(furan-3-yl)-3-methoxy-3-oxoprop-1-en-1-olate
• CAS: 1280722-84-0
• 化学式: C₈H₆N₂O₄
• 分子量: 194.147
• InChiKey: BKWUHTFGEKGLTR-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  14
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  58.5
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  3-甲基-1,2-丁二烯 、 methyl 2-diazo-3-(furan-3-yl)-3-oxopropanoate 在 bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} 作用下， 以 二氯甲烷 为溶剂， 以59%的产率得到methyl 1-(furan-3-carbonyl)-2-(propan-2-ylidene)cyclopropane-1-carboxylate
  参考文献：
  名称：

  Catalytic, Formal Homo-Nazarov-Type Cyclizations of Alkylidene Cyclopropane-1,1-Ketoesters: Access to Functionalized Arenes and Heteroaromatics

  摘要：

  A catalytic, formal homo-Nazarov-type cyclization of alkylidene cyclopropanes (ACPs) to give functionalized arenes and heteroaromatics is reported. In the presence of a Lewis acid catalyst, the ACP 1,1-ketoesters undergo distal bond cleavage to afford an allyl cation intermediate. Adjacent m-attack on the ally! cation then provides a six-membered ring that undergoes rapid aromatization. In these cases, benzenoid products are formed in up to 98% yield. Strategic choice of the substitution about the ACP allows for the generation of other useful isomeric products in good yields.

  DOI：

  10.1021/ol501676q
• 作为产物：
  描述：

  3-呋喃甲酰氯 在 对甲苯磺酰叠氮 、 三乙胺 、 lithium diisopropyl amide 作用下， 以 四氢呋喃 、 乙腈 为溶剂， 反应 5.08h， 生成 methyl 2-diazo-3-(furan-3-yl)-3-oxopropanoate
  参考文献：
  名称：

  催化芳香-纳扎罗夫环化协议的杂芳环稠合环己酮的合成。

  摘要：

  已经开发出用于环丙基杂芳基酮的催化均-纳扎罗夫环化的通用方案，该方案采用三氟甲磺酸铟作为促进剂。使用该方案以56-91％的产率合成了一系列杂芳环稠合的环己酮。还报道了串联环丙烷化/均一-Nazarov环化的一个例子，其中单罐产率大于两个单独步骤的总产率。

  DOI：

  10.1021/ol200305n

文献信息

• A Catalytic Homo-Nazarov Cyclization Protocol for the Synthesis of Heteroaromatic Ring-Fused Cyclohexanones
  作者：Lien H. Phun、Dadasaheb V. Patil、Marchello A. Cavitt、Stefan France

  DOI：10.1021/ol200305n

  日期：2011.4.15

  A general protocol for the catalytic homo-Nazarov cyclization of cyclopropyl heteroaryl ketones has been developed, which employs indium triflate as the promoter. A range of heteroaromatic ring-fused cyclohexanones was synthesized in 56−91% yield using this protocol. An example of a tandem cyclopropanation/homo-Nazarov cyclization is also reported in which the one-pot yield is greater than the overall

  已经开发出用于环丙基杂芳基酮的催化均-纳扎罗夫环化的通用方案，该方案采用三氟甲磺酸铟作为促进剂。使用该方案以56-91％的产率合成了一系列杂芳环稠合的环己酮。还报道了串联环丙烷化/均一-Nazarov环化的一个例子，其中单罐产率大于两个单独步骤的总产率。
• Catalytic, Formal Homo-Nazarov-Type Cyclizations of Alkylidene Cyclopropane-1,1-Ketoesters: Access to Functionalized Arenes and Heteroaromatics
  作者：Joel Aponte-Guzmán、J. Evans Taylor、Elayna Tillman、Stefan France

  DOI：10.1021/ol501676q

  日期：2014.7.18

  A catalytic, formal homo-Nazarov-type cyclization of alkylidene cyclopropanes (ACPs) to give functionalized arenes and heteroaromatics is reported. In the presence of a Lewis acid catalyst, the ACP 1,1-ketoesters undergo distal bond cleavage to afford an allyl cation intermediate. Adjacent m-attack on the ally! cation then provides a six-membered ring that undergoes rapid aromatization. In these cases, benzenoid products are formed in up to 98% yield. Strategic choice of the substitution about the ACP allows for the generation of other useful isomeric products in good yields.