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Molecules 2016, 21(3), 278;

Rhodium Porphyrin Bound to a Merrifield Resin as Heterogeneous Catalyst for the Cyclopropanation Reaction of Olefins

Dipartimento di Scienze e Tecnologie Chimiche, University of Rome-Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
Author to whom correspondence should be addressed.
Academic Editors: M. Graça P. M. S. Neves and M. Amparo F. Faustino
Received: 4 February 2016 / Revised: 18 February 2016 / Accepted: 24 February 2016 / Published: 27 February 2016
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Cyclopropanation reaction is an important tool for obtaining interesting compounds and can be catalyzed by metalloporphyrins with high syn/anti ratio. The catalyst cannot be recycled and is usually lost during chromatographic separation from the two isomeric products. In this paper a meso-tetraphenylporphyrin rhodium(III) chloride was bound to a Merrifield resin and used to catalyze the cyclopropanation reaction of nine olefins, giving good yields and selectivities of the final products and for the first time, a partial recycling of the catalyst. This new catalytic system will be tested in the future for the synthesis of natural products containing cyclopropyl ring. View Full-Text
Keywords: porphyrin catalysts; cyclopropanation reactions; immobilized catalysts porphyrin catalysts; cyclopropanation reactions; immobilized catalysts

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Ciammaichella, A.; Cardoni, V.; Leoni, A.; Tagliatesta, P. Rhodium Porphyrin Bound to a Merrifield Resin as Heterogeneous Catalyst for the Cyclopropanation Reaction of Olefins. Molecules 2016, 21, 278.

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