Vogel, Ulf and Schwan, Karl-Christian and Hoemensch, Petra and Scheer, Manfred (2005) Reactivity of Lewis Acid/Base Stabilized Phosphanyl- and Arsanylboranes towards a Platinum(0) Complex. European Journal of Inorganic Chemistry 2005 (8), pp. 1453-1458.
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The Lewis acid/base stabilized phosphanylboranes and -arsanes [(CO)5W(H2EBH2·NMe3)] (1a: E = P; 1b: E = As) have been shown to react with the platinum(0) complex [(Ph3P)2Pt(C2H4)] under oxidative addition of the E-H bond to the platinum center. The complexes cis-[(Ph3P)2Pt(H)(-EHBH2·NMe3)W(CO)5] (2a: E = P; 2b: E = As) are formed. Complex 2a is unstable in solution at room temperature and slowly reacts with loss of carbon monoxide to form [(Ph3P)2Pt(-H)(-EHBH2·NMe3)W(CO)4] (3a: E = P). An analogous complex 3b (E = As) is formed from 2b only by refluxing in CH2Cl2. The reaction of 2a to 3a can be reversed by addition of CO, whereas the arsenic compound 3b does not show this reactivity pattern. All new compounds have been comprehensively characterized by spectroscopy and X-ray crystallography.
|Date:||21 April 2005|
|Institutions:||Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer|
|Keywords:||Arsenic; Boron; Phosphorus; Reactivity; Platinum|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||14 Jun 2010 12:06|
|Last Modified:||20 Jul 2011 22:29|