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Crystal structures of [(N,N-di-methyl-amino)-meth-yl]ferrocene and (R p,R p)-bis-{2-[(di-methyl-amino)-meth-yl]ferrocen-yl}di-methyl-silane.

ABSTRACT: The title compound [(N,N-di-methyl-amino)-meth-yl]ferrocene, [Fe(C5H5)(C8H12N)], (1), is an inter-esting starting material for the synthesis of planar chiral 1,2-disubstituted ferrocenes, as demonstrated by the preparation of (R p,R p)-bis-{2-[(di-methyl-amino)-meth-yl]ferrocen-yl}di-methyl-silane, [Fe2(C5H5)2(C18H18N2Si)], (2), from the li-thia-ted derivative of 1. The configuration of the lithium compound is unchanged after the substitution reaction and the chirality is preserved in space group P212121. In both compounds, the Cp rings adopt eclipsed conformations. Hirshfeld surface analysis was used to investigate the inter-molecular inter-actions, and showed that H?H (van der Waals) inter-actions dominate in both structures with contact percentages of 83.9 and 88.4% for 1 and 2, respectively.

SUBMITTER: Krupp A 

PROVIDER: S-EPMC7472773 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Crystal structures of [(<i>N</i>,<i>N</i>-di-methyl-amino)-meth-yl]ferrocene and (<i>R</i> <sub>p</sub>,<i>R</i> <sub>p</sub>)-bis-{2-[(di-methyl-amino)-meth-yl]ferrocen-yl}di-methyl-silane.

Krupp Anna A   Wegge Jessica J   Otte Felix F   Kleinheider Johannes J   Wall Helene H   Strohmann Carsten C  

Acta crystallographica. Section E, Crystallographic communications 20200811 Pt 9

The title compound [(<i>N</i>,<i>N</i>-di-methyl-amino)-meth-yl]ferrocene, [Fe(C<sub>5</sub>H<sub>5</sub>)(C<sub>8</sub>H<sub>12</sub>N)], (<b>1</b>), is an inter-esting starting material for the synthesis of planar chiral 1,2-disubstituted ferrocenes, as demonstrated by the preparation of (<i>R</i> <sub>p</sub>,<i>R</i> <sub>p</sub>)-bis-{2-[(di-methyl-amino)-meth-yl]ferrocen-yl}di-methyl-silane, [Fe<sub>2</sub>(C<sub>5</sub>H<sub>5</sub>)<sub>2</sub>(C<sub>18</sub>H<sub>18</sub>N<sub>2</sub>Si  ...[more]

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