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1,2‐Carbagerma‐ closo ‐dodecaborate as a Germanium Ligand in Coordination Chemistry – Synthesis, Structure and Reactivity
Author(s) -
Wagenpfeil Anita,
Nickl Claudia,
Schubert Hartmut,
Eichele Klaus,
Fox Mark A.,
Wesemann Lars
Publication year - 2011
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201100310
Subject(s) - chemistry , coordination complex , ligand (biochemistry) , crystal structure , reactivity (psychology) , transition metal , germanium , electrophile , metal , coordination number , crystallography , single crystal , medicinal chemistry , salt (chemistry) , stereochemistry , ion , inorganic chemistry , catalysis , organic chemistry , medicine , biochemistry , receptor , alternative medicine , pathology , silicon
A much improved synthesis for the carbagerma‐ closo ‐dodecaborate anion [GeCB 10 H 11 ] – is described in the form of [Bu 3 NH][GeCB 10 H 11 ] ( 1 ). In reactions with transition metal electrophiles, three transition metal complexes {[Bu 3 NH][(C 6 H 6 )Ru(Cl) 2 (GeCB 10 H 11 )] ( 2 ), [Bu 3 NH][Cp*Ir(Cl)(GeCB 10 H 11 ) 2 ] ( 3 ) and [Me 3 NH][(PPh 3 ) 2 Ir(CO)(GeCB 10 H 11 ) 2 ] ( 4 )} with metal–germanium bonds were synthesized. The carbagermaborate anion, in the form of the salt [Et 3 NH][GeCB 10 H 11 ], and the coordination compounds 2 – 4 were structurally characterized by single‐crystal X‐ray diffraction. Computations were carried out for the anions in 1 – 4 to aid NMR assignments.
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