Competition versus Cooperation in Catalytic Hydrogelators for anti-Selective Mannich Reaction
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http://dx.doi.org/10.1002/chem.201701724 |
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Title
Competition versus Cooperation in Catalytic Hydrogelators for anti-Selective Mannich ReactionDate
2017-07-21Publisher
WileyISSN
0947-6539; 1521-3765Bibliographic citation
SINGH, Nishant; ESCUDER, Beatriu. Competition vs Cooperation in Catalytic Hydrogelators for anti‐selective Mannich Reaction. Chemistry-A European Journal, 2017, vol. 23, no 41, p. 9946–9951Type
info:eu-repo/semantics/articlePublisher version
http://onlinelibrary.wiley.com/doi/10.1002/chem.201701724/fullVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
Chemical systems find similarities in different sociological and biological processes, in which the entities compete or cooperate for a favorable outcome. The structural and functional adaptations leading to emergent ... [+]
Chemical systems find similarities in different sociological and biological processes, in which the entities compete or cooperate for a favorable outcome. The structural and functional adaptations leading to emergent properties, especially in catalysis, are based on factors such as abundance of substrates, stability of the transition state, and structural/functional attributes of catalysts. Proline and acid groups appended to catalytic fibers of two self-sorting hydrogelators compete for the Mannich reaction between aniline, benzaldehyde, and cyclohexanone to give low overall selectivity (anti/syn 77:23). In a sol–gel system of the same molecules, on the other hand, the soluble acid appended molecules tend to cooperate with the fibers of proline-appended catalyst to give improved selectivity (anti/syn 95:5). The available options for the catalytic molecules are to carry out the reaction independently or in cooperation. However, these options are chosen based on the efficiency, selectivity, and mobility of catalysts as a result of their abilities to self-assemble. [-]
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Chemistry-A European Journal, 2017, vol. 23, no 41Investigation project
EU (Marie Curie ITN-Smartnet) / PITN-GA-2012-316656; Ministry of Economy and Competitiveness of Spain / CTQ2016-76287-RRights
Copyright © John Wiley & Sons, Inc.
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