properties and development of a general method to construct these derivatives has now been developed. Indolines (2,3-dihydroindoles) and isatogens have been prepared in an efficient route starting from indoles substituted in position 2. Reduction of the 2-substituted indoles was performed with tin and hydrochloric acid to give racemic indolines, which were converted to isatogens by 3-chloroperoxybenzoic
Synthesis and antioxidant properties of substituted 2-phenyl-1H-indoles
作者:Cigdem Karaaslan、Hachemi Kadri、Tulay Coban、Sibel Suzen、Andrew D. Westwell
DOI:10.1016/j.bmcl.2013.02.090
日期:2013.5
In this study, we report the design, synthesis and antioxidant activity of a series of substituted 2-(4-aminophenyl)-1H-indoles and 2-(methoxyphenyl)-1H-indoles. The new compounds are structurally related to the known indole-based antioxidant lead compound melatonin (MLT), and the antitumour 2-(4-aminophenyl)benzothiazole and 2-(3,4-dimethoxyphenyl)benzothiazole series. Efficient access to the target
Synthesis of Spiro[indole-3,5′-isoxazoles] with Anticancer Activity via a Formal [4 + 1]-Spirocyclization of Nitroalkenes to Indoles
作者:Alexander V. Aksenov、Dmitrii A. Aksenov、Nikolai A. Arutiunov、Nicolai A. Aksenov、Elena V. Aleksandrova、Zhenze Zhao、Liqin Du、Alexander Kornienko、Michael Rubin
DOI:10.1021/acs.joc.9b00808
日期:2019.6.7
An acid-assisted [4 + 1]-cycloaddition of indoles with nitrostyrenes affords 4′H-spiro[indole-3,5′-isoxazoles] in a diastereomerically pure form. Several of these spirocyclic molecules exhibit promising anticancer activity by reducing viability and inducingdifferentiation of neuroblastoma cells.
Green, Catalyst-Free Reaction of Indoles with β-Fluoro-β-nitrostyrenes in Water
作者:Alexander S. Aldoshin、Andrey A. Tabolin、Sema L. Ioffe、Valentine G. Nenajdenko
DOI:10.1002/ejoc.201800385
日期:2018.8.1
The reaction of 2‐fluoro‐2‐nitrostyrenes with various indoles was investigated. We found that the reaction proceeds as a Michael addition in a highly regioselective manner to form 3‐(1‐aryl‐2‐fluoro‐2‐nitroethyl)‐1H‐indoles. Thus, a green and catalyst‐free synthesis of these compounds was developed using water as a reaction medium. The high effectiveness of this approach was demonstrated through the
Nitroalkenes as surrogates for cyanomethylium species in a one-pot synthesis of non-symmetric diarylacetonitriles
作者:Alexander V. Aksenov、Nicolai A. Aksenov、Zarema V. Dzhandigova、Dmitrii A. Aksenov、Michael Rubin
DOI:10.1039/c5ra20953f
日期:——
Nitroalkenes were used as synthetic equivalents of the cyanomethylium cation in a modular, one-pot synthesis of 2-(3-indolyl)acetonitriles and 2,2-diarylacetonitriles involving electrophilic functionalization of aromatic and heteroaromatic C–H bond.