Journal ArticleDOI
Synthesis of 3-substituted indoles promoted by pulverization-activation method catalyzed by Bi(NO3)3·5H2O
Mohammad Mehdi Khodaei,Parvin Ghanbary,Iraj Mohammadpoor-Baltork,Hamid Reza Memarian,Ahmad Reza Khosropour,Kobra Nikoofar +5 more
TLDR
In this paper, a new, facile, efficient, "green" and chemoselective procedure for the synthesis of indole derivatives has been developed with pulverization-activation method catalyzed by Bi(NO3)3·5H2O (PAMC-Bi(NO 3)3 ·5H 2O) through grinding of indoles with aldehydes or Michael acceptors.About:
This article is published in Journal of Heterocyclic Chemistry.The article was published on 2008-03-01. It has received 37 citations till now. The article focuses on the topics: Indole test & Catalysis.read more
Citations
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Journal ArticleDOI
Synthesis of 3‐Substituted Indoles Promoted by Pulverization‐Activation Method Catalyzed by Bi(NO3)3×5H2O.
Mohammad Mehdi Khodaei,Iraj Mohammadpoor-Baltork,H. R. Memarian,Ahmad Reza Khosropour,Kobra Nikoofar,Parvin Ghanbary +5 more
Journal ArticleDOI
Cs2.5H0.5PW12O40-catalyzed conjugate addition of indole to α, β-unsaturated ketones
TL;DR: In this article, the cesium salt of tungstophosphoric acid was used as a heterogeneous catalyst for the conjugate addition of indole to a variety of α, β-unsaturated ketones.
References
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Journal ArticleDOI
Bismuth Nitrate-Catalyzed Versatile Michael Reactions†
Neeta Srivastava,Bimal K. Banik +1 more
TL;DR: Bismuth nitrate-catalyzed versatile Michael reaction was developed to reduce the complications that characterize the current standard Michael reaction and used for facile preparation of organic compounds of widely different structures.
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Molecular iodine-catalyzed efficient and highly rapid synthesis of bis(indolyl)methanes under mild conditions
TL;DR: Highly rapid and efficient electrophilic substitution reactions of indoles with various aldehydes and ketones were carried out using I2 in CH3CN to afford the corresponding bis(indolyl)methanes in excellent yields.
Journal ArticleDOI
Sequential One-Pot InBr3-Catalyzed 1,4- then 1,2-Nucleophilic Addition to Enones
Marco Bandini,Pier Giorgio Cozzi,Massimo Giacomini,Paolo Melchiorre,Simona Selva,Achille Umani‐Ronchi +5 more
TL;DR: With the optimized atom-efficient protocol, several polyfunctionalized alpha-silyloxy cyanohydrins were synthesized in good to excellent yields and a notable level of simple 1,3-diastereoselection was recorded in the case of 2-cyclohexen-1-one 2c.
Journal ArticleDOI
Indolyl carboxylic acids by condensation of indoles with alpha-keto acids.
TL;DR: The indole derivatives 2,2-bis(3,3'-indolyl)propionic acid (1); 1,1,1,-tris(3-3-,3"-indolyls)ethane (2); and 2-2-isocaproic acid (3) were isolated from solvent extracts of indole-supplemented supernatants of Escherichia coli and corynebacteria.
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Lewis acid-catalyzed reactions in protic media. Lanthanide-catalyzed reactions of indoles with aldehydes or ketones
TL;DR: In this paper, Lanthanide triflates were found to be effective catalysts for reactions of indoles with aldehydes or ketones in aqueous solution.