Journal ArticleDOI
Reactions on solid supports part IV: Reactions of αβ-unsaturated carbonyl compounds with indoles using clay as catalyst
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TLDR
In this article, a 3-benzyl substituent already present migrated to the 2-position, being displaced by the incoming electrophile, thus confirming that electrophilic substitution in indole occurs primarily at the 3-position.About:
This article is published in Tetrahedron Letters.The article was published on 1988-01-01. It has received 75 citations till now. The article focuses on the topics: Electrophilic substitution & Electrophile.read more
Citations
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Catalytic Functionalization of Indoles in a New Dimension
Marco Bandini,Astrid Eichholzer +1 more
TL;DR: This Review emphasizes the achievements in the selective catalytic functionalization of indoles (C-C bond-forming processes) over the last four years.
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Rare-earth metal triflates in organic synthesis
TL;DR: The main findings are: Lanthanide(II) Triflates in Organic Synthesis inorganic Synthesis 2295 10.2.1.
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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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Katalytische Funktionalisierung von Indolen in einer neuen Dimension
Marco Bandini,Astrid Eichholzer +1 more
TL;DR: In this paper, the Fortschritte hinsichtlich der selektiven katalytischen Funktionalisierung von Indolen (durch C-C-Kupplung) aus den vergangenen vier Jahre zusammen.
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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.
References
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Catalysis of organic reactions by inorganic solids
TL;DR: In this article, major advances have been made towards dcsign, realization, and optimization of efficient catalytic systems based on modified aluminosilicate mincrals, and a number of optimizations have been proposed.
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Synthetic organic chemistry using pillared, cation-exchanged and acid-treated montmorillonite catalysts — A review
TL;DR: In this paper, the use of pillared, cation-exchanged and acid-treated montmorillonites as catalysts for reactions which can be carried out on a preparative laboratory or industrial scale is discussed.
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Electrophilic substitution in indoles—I: Model experiments related to the synthesis of echinulin
A.H. Jackson,A.E. Smith +1 more
TL;DR: In this paper, 3-methylindoyl magnesium iodide reacts with allyl bromide to give a mixture of 1- and 2-allyl-3-methyl indoles.
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Methyl t-butyl ether (MTBE) production; a comparison of montmorillonite-derived catalysts with an ion-exchange resin
TL;DR: Montmorillonite-based catalysts were compared with an acidic ion-exchange resin of the type used industrially for the production of methyl t-butyl ether (MTBE) from methanol and isobutene.