2,3,5,6-tetrabromo-1-methyl-1H-indole | 25055-55-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吲哚及其衍生物
• 英文名称: 2,3,5,6-tetrabromo-1-methyl-1H-indole
• 英文别名: 2,3,5,6-tetrabromo-N-methyl-1H-indole；1-methyl-2,3,5,6-tetrabromoindole；2,3,5,6-tetrabromo-1-methylindole；2,3,5,6-tetrabromo-N-methylindole；2,3,5,6-tetrabromo-1-methyl-indole；1-Methyl-2,3,5,6-tetrabromindol
• CAS: 25055-55-4
• 化学式: C₉H₅Br₄N
• 分子量: 446.761
• InChiKey: CVMZSJYGMCTFEN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.1
• 重原子数：
  14
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  4.9
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为反应物：
  描述：

  2,3,5,6-tetrabromo-1-methyl-1H-indole 在 sodium tetrahydroborate 、 1,1'-双(二苯膦基)二茂铁二氯化钯(II)二氯甲烷复合物 、 四甲基乙二胺 作用下， 以 四氢呋喃 为溶剂， 反应 1.0h， 以55%的产率得到3,5,6-tribromo-1-methyl-1H-indole
  参考文献：
  名称：

  多溴化吲哚的区域选择性加氢脱溴

  摘要：

  硼氢化钠和 N,N,N',N'-四甲基乙二胺与钯催化剂的混合物是一种温和有效的系统，用于区域选择性加氢脱溴的多溴化吲哚具有 N-供体和 N-撤回取代基 [N-甲基- 和 N-（甲氧基羰基）吲哚，分别]。

  DOI：

  10.1002/ejoc.201400032
• 作为产物：
  描述：

  2,3-dibromoindole 在 氢氧化钾 、 溴 作用下， 以 甲酸 、 溶剂黄146 、 N,N-二甲基甲酰胺 为溶剂， 反应 5.0h， 生成 2,3,5,6-tetrabromo-1-methyl-1H-indole
  参考文献：
  名称：

  Syntheses of Polybrominated Indoles from the Red Alga Laurencia brongniartii and the Brittle Star Ophiocoma erinaceus

  摘要：

  The red alga Laurencia brongniartii and brittle star Ophiocoma erinaceus metabolites 2,3,6-tribromo-1-methylindole (1) and 2,3,5,6-tetrabromo-1-methylindole (2) are easily synthesized selectively from 2,3-dibromo-1-methylindole (5), which in turn is prepared from indole (3) in one continuous sequence in 92% yield. Moreover, 2 can be made from both 1 and 5 in 67% and 65% yields, respectively.

  DOI：

  10.1021/np010610s

文献信息

• Synthesis of carbazoles and 1,2-dihydrocarbazoles by domino ‘twofold Heck/6π-electrocyclization’ reactions of di-, tri- and tetrabromoindoles
  作者：Munawar Hussain、Serge-Mithérand Tengho Toguem、Rasheed Ahmad、Đặng Thanh Tùng、Ingo Knepper、Alexander Villinger、Peter Langer

  DOI：10.1016/j.tet.2011.05.014

  日期：2011.7

  palladium(0)-catalyzed Heck cross-coupling reactions of di-, tri- and tetrabromo-N-methylindoles. The reactions were carried out at 90 °C using a novel biaryl monophosphine ligand developed by Buchwald and co-workers. 1,2-Dihydrocarbazoles were formed by a domino ‘twofold Heck/6π-electrocyclization’ when the reaction was carried out at higher temperature. The regioselectivity of the Heck reaction of 2,3,6-tr

  二，三和四烯基吲哚是通过钯（0）催化的二，三和四溴-N-甲基吲哚的Heck交叉偶联反应制备的。使用Buchwald及其同事开发的新型联芳基单膦配体在90°C下进行反应。当在较高温度下进行反应时，通过多米诺“双重Heck /6π-电环化”形成1,2-二氢咔唑。2,3,6-三溴-N-甲基吲哚的Heck反应的区域选择性有利于碳原子C-2和C-3。通过Pd / C催化的脱氢，将1，2-二氢咔唑高产率地转化为相应的咔唑。
• Regioselective dibromination of methyl indole-3-carboxylate and application in the synthesis of 5,6-dibromoindoles
  作者：Thomas B. Parsons、Cédric Ghellamallah、Louise Male、Neil Spencer、Richard S. Grainger

  DOI：10.1039/c1ob05522d

  日期：——

  the parent 5,6-dibromoindole can be accessed via a one-pot, microwave-mediated ester hydrolysis and decarboxylation. Application of these building blocks in syntheses of natural and non-natural 5,6-dibromoindole derivatives, including meridianin F and 5,6-dibromo-2′-demethylaplysinopsin, is reported.

  治疗 吲哚-3-羧酸甲酯 含溴 醋酸 给 5,6-二溴吲哚-3-羧酸甲酯区域选择性地，可以通过一锅，微波介导的酯水解和脱羧从中获得母体5,6-二溴吲哚。据报道，这些结构单元在合成天然和非天然的5，6-二溴吲哚衍生物，包括子午线F和5，6-二溴-2'-去甲基aplysinopsin中的应用。
• Regioselective Hydrodebromination of Polybrominated Indoles
  作者：Giorgio Chelucci、Gérard A. Pinna、Giansalvo Pinna

  DOI：10.1002/ejoc.201400032

  日期：2014.6

  borohydride and N,N,N′,N′-tetramethylethylenediamine in combination with a palladium catalyst is a mild and efficient system for the regioselective hydrodebromination of polybrominated indoles with both N-donating and N-withdrawing substituents [N-methyl- and N-(methoxycarbonyl)indoles, respectively].

  硼氢化钠和 N,N,N',N'-四甲基乙二胺与钯催化剂的混合物是一种温和有效的系统，用于区域选择性加氢脱溴的多溴化吲哚具有 N-供体和 N-撤回取代基 [N-甲基- 和 N-（甲氧基羰基）吲哚，分别]。
• Syntheses of Polybrominated Indoles from the Red Alga <i>Laurencia brongniartii</i> and the Brittle Star <i>Ophiocoma erinaceus</i>
  作者：Yanbing Liu、Gordon W. Gribble

  DOI：10.1021/np010610s

  日期：2002.5.1

  The red alga Laurencia brongniartii and brittle star Ophiocoma erinaceus metabolites 2,3,6-tribromo-1-methylindole (1) and 2,3,5,6-tetrabromo-1-methylindole (2) are easily synthesized selectively from 2,3-dibromo-1-methylindole (5), which in turn is prepared from indole (3) in one continuous sequence in 92% yield. Moreover, 2 can be made from both 1 and 5 in 67% and 65% yields, respectively.