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Optimization and intensification of hydrosilylation reaction using microreactor system

Abstract

Utilization of continuous flow chemistry techniques concentrates often on catalytic reactions difficult to be performed for various reasons under typical batch conditions. As a result of the advantages that continuous flow chemistry techniques offer, in regards to solving the problems related to carrying the reactions in batch systems, microreactors are becoming more and more popular. Herein we present our results for the optimization and intensification of hydrosilylation reaction with three different alkenes. We performed reactions between 1,1,1,3,5,5,5-heptamethyltrisiloxane (HMTS) and 1-octene, 3-allyloxy-1,2-propanediol or allyl glycidyl ether with the Karstedt catalyst in both batch and microreactor system, where we have monitored the reaction using in situ IR (controlling conversion of Si-H). Application of microreactor system for performing hydrosilylation reaction in a significant way allowed to increase the conversion of Si-H bond when using all examined olefins. Especially lengthening of microreactor system, with maintaining the reactants residence time in the microreactor, caused increase in the Si-H conversion. With no doubt, performing the synthesis of organofunctional silicon compounds in continuous flow microreactor systems has a great potential.

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Publication details

The article was accepted on 08 Aug 2018 and first published on 10 Aug 2018


Article type: Paper
DOI: 10.1039/C8NJ01167B
Citation: New J. Chem., 2018, Accepted Manuscript
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    Optimization and intensification of hydrosilylation reaction using microreactor system

    A. Pawlowska-Zygarowicz, R. Kukawka, H. Maciejewski and M. Smiglak, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ01167B

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