Vogel, Ulf and Hoemensch, Petra and Schwan, Karl-Christian and Timoshkin, Alexey Y. and Scheer, Manfred (2003) The Stabilisation of Monomeric Parent Compounds of Phosphanyl- and Arsanylboranes. Chemistry - A European Journal 9 (2), pp. 515-519.
Download (120kB) - Repository staff only
The structures of the parent compounds of phosphanyl- and arsanylboranes, H2BPH2 and H2BAsH2, were calculated by DFT-B3LYP methods. Such compounds have not previously been obtained preparatively. By applying the concept of Lewis acid/base stabilisation, [(CO)5W(H2EBH2NMe3)] (E=P (3), As (4)) derivatives have been synthesised by the metathesis reactions between Li[(CO)5WEH2] and ClH2BNMe3 (E=P, As). Comprehensive thermodynamic studies on these systems verify the high stability of the Lewis acid/base stabilised complexes. Unexpected based on the thermodynamic calculations, UV radiation of the phosphanylborane 3 leads to the dinuclear phosphanido-bridged complex [(CO)8W2(-PHBH2NMe3)2] (5) by H2 and CO elimination.
|Date:||16 January 2003|
|Institutions:||Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer|
|Keywords:||arsenic; boron; density functional calculations; phosphorus; tungsten|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||14 Jun 2010 12:19|
|Last Modified:||13 Mar 2014 13:35|