The variability of hydrogen-bonded supramolecular assemblies in crystalline picrates prepared from ferrocenyl-substituted β-aminoalcohols
Journal of Organometallic Chemistry(2008)
摘要
The readily available ferrocenylated β-aminoalcohols FcCH2NHCR2CH2OH form well-defined crystalline picrates that form supramolecular assemblies via N–H⋯O and O–H⋯O bifurcated hydrogen bonds. Whereas the achiral compounds (R2=H2 and Me2) give rise to closed dimeric assemblies around the crystallographic inversion centres, their chiral counterpart (R2=H/i-Pr) forms infinite linear chains (see the picture; the ferrocenyl groups are omitted).
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关键词
Ferrocene,Aminoalcohols,Picrates,Chirality,Crystal structure
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