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Title: | A regioselective one-pot Aza-Friedel-Crafts reaction for primary, secondary and tertiary anilines using a heterogeneous catalyst |
Authors: | Bosica, Giovanna Abdilla, Roderick |
Keywords: | Chemical reactions Aza Compounds Solvents |
Issue Date: | 2017 |
Publisher: | The Royal Society of Chemistry |
Citation: | Bosica, G., & Abdilla, R. (2017). A regioselective one-pot aza-friedel-crafts reaction for primary, secondary and tertiary anilines using a heterogeneous catalyst. Green Chemistry, 19(23), 5683-5690. Highlighted in Synfacts, Highlights in Current Synthetic Organic Chemistry, 2018; 14(04): 0432. DOI: 10.1055/s-0037-1609384 |
Abstract: | A one-pot multicomponent aza-Friedel-Crafts reaction was performed under green, neat and heterogeneous conditions in the presence of 1.25 mmol% of 30% w/w silicotungstic acid supported on Amberlyst 15 beads. In a yet unprecedented attempt, both primary and secondary anilines could provide the 3-substituted indole product in good to excellent yields usually at room temperature whilst tertiary anilines gave moderate results. Interestingly all reactions proceeded regioselectively via two separate C-C bond forming reactions rather than C-C and C-N bond forming steps. The catalyst is easy, safe and environmentally-benign to prepare, completely recoverable and recyclable up to 5 times. |
Description: | Highlighted in Synfacts, Highlights in Current Synthetic Organic Chemistry, 2018; 14(04): 0432. DOI: 10.1055/s-0037-1609384 at https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0037-1609384 [Attached document refers] |
URI: | https://www.um.edu.mt/library/oar//handle/123456789/27583 |
Appears in Collections: | Scholarly Works - FacSciChe |
Files in This Item:
File | Description | Size | Format | |
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c7gc02038d.pdf Restricted Access | 1.29 MB | Adobe PDF | View/Open Request a copy | |
One Pot Aza Friedel Crafts Reaction on Amberlyst 15 Supported Silicotungstic Acid Highlighted in Synfacts.pdf Restricted Access | 474.24 kB | Adobe PDF | View/Open Request a copy |
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