Synthesis and crystal structures of bis[1-oxopyridin-2-olato(1−)]bis(pentafluorophenyl)silicon(IV)–tetrahydrofuran–pentane (2/1/1), bis[1-oxopyridin-2-olato(1−)]bis(p-tolyl)silicon(IV), and dimesitylbis[1-oxopyridin-2-olato(1−)]silicon(IV)

Bradley M. Kraft,William W. Brennessel, Jordan W. Andrews, Michael T. Viggiani, Nathan F. Kittrell, Matthew T. Heckman,F. F. Ferreira

Acta Crystallographica Section E: Crystallographic Communications（2024）

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摘要

Three hexacoordinated bis(aryl)silicon(IV) complexes of 1-oxopyridin-2-one (OPO) are reported, each of which exhibit C/N site disorder in their pyridine rings. In (C6F5)2Si(OPO)2, the equal disorder ratios and solution NMR characterization together indicate the presence of a single totally asymmetric ON-trans-OC isomer. Unequal disorder ratios in p-tolyl2Si(OPO)2 and in mesityl2Si(OPO)2 indicate the presence of up to three isomers.

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关键词

crystal structure,silicon,pyridinone,pyridine N-oxide

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Synthesis and crystal structures of bis­[1-oxopyridin-2-olato(1−)]bis­(penta­fluoro­phen­yl)silicon(IV)–tetra­hydro­furan–pentane (2/1/1), bis­[1-oxopyridin-2-olato(1−)]bis­(p-tol­yl)silicon(IV), and dimesitylbis[1-oxopyridin-2-olato(1−)]silicon(IV)

Synthesis and crystal structures of bis[1-oxopyridin-2-olato(1−)]bis(pentafluorophenyl)silicon(IV)–tetrahydrofuran–pentane (2/1/1), bis[1-oxopyridin-2-olato(1−)]bis(p-tolyl)silicon(IV), and dimesitylbis[1-oxopyridin-2-olato(1−)]silicon(IV)