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)
Acta Crystallographica Section E: Crystallographic Communications(2024)
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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