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Molecules 2018, 23(6), 1260; https://doi.org/10.3390/molecules23061260

High Conversion of Styrene, Ethylene, and Hydrogen to Linear Monoalkylbenzenes

1
Dipartimento di Chimica e Biologia “Adolfo Zambelli”, Università di Salerno, I-84084 Fisciano, Italy
2
Dipartimento di Ingegneria Industriale, Università di Salerno, I-84084 Fisciano, Italy
*
Author to whom correspondence should be addressed.
Received: 30 March 2018 / Revised: 21 May 2018 / Accepted: 23 May 2018 / Published: 25 May 2018
(This article belongs to the Special Issue Organometallic Catalysis in Organic Synthesis)
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Abstract

1-Alkylbenzenes as a precursor of surfactants, can be produced from ethylene, styrene, and hydrogen. These intermediates, lacking tertiary carbons, are environmentally more benign than commercial ones that bear the aromatic ring linked to an internal carbon of the aliphatic chain. The one-pot synthesis of highly linear 1-alkylbenzenes (LABs) through the homogeneous catalysis of olefin poly-insertion from cheap and largely available reagents can be carried out with a high turnover and selectivity. A purposely designed reactor that allows for the fine control of the three components feed, along with temperature, plays a key role in this achievement. A turnover of 194 g of LABs per mmol of catalyst per hour can be obtained with the simultaneous removal of polyethylene as a by-product. View Full-Text
Keywords: poly-insertion catalysis; ansa-metallocene; LAB; styrene regiochemistry poly-insertion catalysis; ansa-metallocene; LAB; styrene regiochemistry
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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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Lamparelli, D.H.; Ricca, A.; Palma, V.; Oliva, L. High Conversion of Styrene, Ethylene, and Hydrogen to Linear Monoalkylbenzenes. Molecules 2018, 23, 1260.

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