Preparation and properties of some cationic norbornadiene rhodium(I) complexes with triarylphosphines |
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| Authors: | Luis A Oro José V Heras Karl-Heinz A Ostoja-Starzewski Paul S Pregosin Antonio Manrique Miguel Royo |
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| Institution: | (1) Departmento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Madrid-3, Spain;(2) Laboratorium für Anorgan. Chemie, E.T.H. Zentrum, Universitätsstraße 6, CH-8092 Zurich, Switzerland;(3) Instituto de Catálisis y Petroleoquímica, Serrano 119, Madrid-6, Spain;(4) Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Zaragoza, Zaragoza, Spain |
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| Abstract: | Summary The synthesis of Rh(NBD){P(p-RC6H4)3}2]A complexes (A=ClO
4
–
or BPh
4
–
; R=Cl, F, Me or MeO) is described. Treatment of these complexes with molecular hydrogen leads to the isolation of RhH2{P(p-RC6H4)3}2(OCMe2)2]ClO4 or Rh{P(p-RC6H4)3}2PhBPh3. These latter complexes contain tetraphenylborate coordinated to the metalvia arene interaction. Rh(CO)3{P(p-RC6H4)3}2]ClO4 complexes have been isolated by carbonylations. The use of these complexes as homogeneous hydroformylation catalysts is also briefly investigated. |
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