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Bis(amino)phosphanes and Their Use as Ligands for 1st and 14th Group Elements

Authors: Vrána Jan | Dostál Libor | Růžičková Zdeňka

Year: 2015

Type of publication: ostatní - přednáška nebo poster

Page from-to: nestránkováno

Titles:

Language	Name	Abstract	Keywords
eng	Bis(amino)phosphanes and Their Use as Ligands for 1st and 14th Group Elements	Boramidinates and amidinates were used as suitable ligands for both transition and main group metals. Analogical compounds, phosphamidinates, were also proven to be useful ligands in organometallic and coordination chemistry, but their chemistry was studied in significantly lower extent. Phosphamidinates may have a wide range of bonding properties, since they can act as both monoanionic and dianionic4 ligands, where the ligand is bonded by either covalent or coordination bond to the central atom. Novel germanium(II) and tin(II) complexes were prepared by conversion of their lithium or potassium analogues with corresponding metal(II) chlorides. Synthesis and characterization of the alkali metal intermediates will be also included. Thermal decomposition of these compounds provides bis(imido)phosphides of general formula P(μ2-NR)M, where R = t-Bu or 2,6-diisopropylphenyl. Plausible mechanism of this P-C bond cleavage will be discussed.