Formation of Enehydrazine Intermediates through Coupling of Phenylhydrazines with Vinyl Halides: Entry into the Fischer Indole Synthesis
作者:Fuxu Zhan、Guangxin Liang
DOI:10.1002/anie.201207173
日期:2013.1.21
Cut to the chase: Direct formation of an enehydrazine, an intermediate in the classic Fischerindolesynthesis, solves the regioselectivity problem associated with indolization. This approach not only achieves selective synthesis of indoles through proper selection of the vinyl halide, but also leads to quick construction of desoxyeseroline and esermethole, as well as the key structural motif in the
Iodine-Catalyzed C–H Amidation and Imination at the 2α-Position of 2,3-Disubstituted Indoles with Chloramine Salts
作者:Xiaozu Liu、Yuxiang Zhou、Zhongqin Yang、Qin Li、Liang Zhao、Peijun Liu
DOI:10.1021/acs.joc.8b00286
日期:2018.4.20
A novel iodine-catalyzed amidation and imination at the 2α-position of 2,3-disubstituted indoles in the presence of chloramine salts with high regioselectivity has been achieved. The protocol is applicable to a wide range of substrates to deliver the corresponding 2α-nitrogen-containing indole derivatives. Furthermore, to demonstrate the synthetic value of this established transformation, a concise
Concise Synthesis of Polycyclic Indoline Scaffolds through an In<sup>III</sup>
-Catalyzed Formal [4+2] Annulation of 2,3-Disubstituted Indoles with <i>o</i>
-Aminobenzyl Alcohols
作者:Mupeng Luo、Jianxin Chen、Linqian Yu、Wanguo Wei
DOI:10.1002/ejoc.201700432
日期:2017.5.10
in situ generated aza-ortho-quinone methides (aza-oQMs) were efficiently trapped by diverse carbazoles in a formal [4+2] cycloaddition reaction catalyzed by indium(III) triflate, which provided rapid access to bridgedpolycyclic indoline alkaloid skeletons.
COMPOUND CONTAINING FUSED RING AND ORGANIC ELECTROLUMINESCENT ELEMENT EMPLOYING THE SAME
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP1808433A1
公开(公告)日:2007-07-18
Provided is a condensed ring-containing compound having a condensed dicyclic group having a specific structure and carbazolyl groups and/or indolyl groups, and further provided is an organic electroluminescent device in which an organic thin film layer comprising a single layer or plural layers having at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer contains the condensed ring-containing compound described above in the form of a single component or a mixed component, whereby a current efficiency and a heat resistance are high, and a lifetime is very long.
Coordination metal compound, material for organic electroluminescence device, material for luminescent coating formation and organic electroluminescence device
申请人:Inoue Tetsuya
公开号:US20070009760A1
公开(公告)日:2007-01-11
A coordination metal compound comprising cordinating at least one ligand having a Spiro bond to at least a metal atom; a material for an organic electroluminescence (EL) device, and an organic EL device comprising at least one organic thin film layer sandwiched between a pair of electrodes consisting of an anode and a cathode, wherein at least one organic thin film layer thereof comprises the coordination metal compound or the material for an organic EL device, and a material for luminescence coating formation comprising an organic solvent solution containing the coordination metal compound or the material for the organic EL device is provided. Further, the organic EL device employing either the material for luminescence coating formation or the material for the organic EL device, which exhibits an enhanced efficiency of light emission and is superior in heat resistance, the coordination metal compound having excellent solubility for an organic solvent which realizes the aforementioned, the material for the organic EL device and the material for luminescence coating formation are provided.