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Urea Activation by an External Brønsted Acid: Breaking Self-Association and Tuning Catalytic Performance

Sonsona, Isaac G. , Marqués-López, Eugenia , Häring, Marleen, Díaz Díaz, David and Herrera, Raquel P. (2018) Urea Activation by an External Brønsted Acid: Breaking Self-Association and Tuning Catalytic Performance. Catalysts.

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Date of publication of this fulltext: 29 Aug 2018 13:21

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Abstract

In this work, we hypothesize that Brønsted acids can activate urea-based catalysts by diminishing its self-assembly tendency. As a proof of concept, we used the asymmetric Friedel–Crafts alkylation of indoles with nitroalkenes as a benchmark reaction. The resulting 3-substituted indole derivatives were obtained with better results due to cooperative effects of the chiral urea and a Brønsted acid ...

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Item type:Article
Date:28 July 2018
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Arbeitskreis Prof. Dr. David Díaz Díaz
Identification Number:
ValueType
10.3390/catal8080305DOI
Keywords:Brønsted acids; Friedel-Crafts; organocatalysis; self-association; synergy; urea
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Partially
Item ID:37612
Owner only: item control page

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