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Inorg Chem. 2017 Aug 07;56(15):9337-9342. doi: 10.1021/acs.inorgchem.7b01504. Epub 2017 Jul 21.

Highly Efficient Catalytic Route for the Synthesis of Functionalized Silsesquioxanes.

Inorganic chemistry

Joanna Kaźmierczak, Krzysztof Kuciński, Grzegorz Hreczycho

Affiliations

  1. Faculty of Chemistry, Adam Mickiewicz University in Pozna? , Umultowska 89b, 61-614 Pozna?, Poland.

PMID: 28731331 DOI: 10.1021/acs.inorgchem.7b01504

Abstract

Silsesquioxanes (POSS) have recently become the subject of growing interest in many branches of materials chemistry. Despite this great interest, no direct metal-catalyzed method to cap the corner of the POSS molecules has yet been proposed. In this report, we present a highly efficient method for the synthesis of functionalized silsesquioxanes mediated by scandium(III) triflate, which opens up the possibility of introducing a wide variety of functional groups into this class of organosilicon compounds under mild conditions with excellent yields. We also investigated the differences in the activity of the Lewis acid (Sc(OTf)

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