Supported cyclopentadienylmetal carbonyl complexes : III. Silica-gel-supported iron and cobalt derivatives

Wild, Ferdinand R. W. P.; Gubitosa, Guiseppe; Brintzinger, Hans-Herbert

doi:10.1016/S0022-328X(00)90952-5

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Supported cyclopentadienylmetal carbonyl complexes : III. Silica-gel-supported iron and cobalt derivatives

Publikationstyp:	Zeitschriftenartikel
URI (zitierfähiger Link):	http://nbn-resolving.de/urn:nbn:de:bsz:352-239116
Autor/innen:	Wild, Ferdinand R. W. P.; Gubitosa, Guiseppe; Brintzinger, Hans-Herbert
Erscheinungsjahr:	1978
Erschienen in:	Journal of Organometallic Chemistry ; 148 (1978), 1. - S. 73-80. - ISSN 0022-328X
DOI (zitierfähiger Link):	https://dx.doi.org/10.1016/S0022-328X(00)90952-5
Zusammenfassung:	Mononuclear cyclopentadienylcobalt carbonyl and cyclopentadienyliron carbonyl derivatives were covalently linked to a silica gel support either by reaction of (C₂H₅O)Si(CH₃)₂C₅H₅ or of (C₂H₅O)₃SiC₅H₅ with macroporous silica gel supported materials and subsequent treatment with Co₂(CO)₈ or Fe₂(CO)₉ or by reaction of (C₂H₅O)Si(CH₃)₂C₅H₄Co(CO)₂ and (C₂H₅O)₃SiC₅H₄Co(CO)₂ with a silica gel support. In contrast to their unsupported analogues, no bi- nuclear or polynuclear species are formed from the SiO₂-supported metal carbonyl derivatives even at temperatures up to 200°C. The cobalt derivative was found to be a catalyst for olefin hydroformylation reactions. Binuclear SiO₂-supported species are formed when [(C₂H₅O)Si(CH₃)₂C₅H₄Fe- (CO)₂]₂ or [(C₂H₅O)₃SiC₅H₄Fe(CO)₂]₂ are treated with a silica gel support. A large fraction of these surface-bound dimers are irreversibly converted into mononuclear hydridoiron carbonyl derivatives by hydrogen at elevated pressures.
Fachgebiet (DDC):	540 Chemie
Link zur Lizenz:	Deposit-Lizenz

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WILD, Ferdinand R. W. P., Guiseppe GUBITOSA, Hans-Herbert BRINTZINGER, 1978. Supported cyclopentadienylmetal carbonyl complexes : III. Silica-gel-supported iron and cobalt derivatives. In: Journal of Organometallic Chemistry. 148(1), pp. 73-80. ISSN 0022-328X

@article{Wild1978Suppo-23911, title={Supported cyclopentadienylmetal carbonyl complexes : III. Silica-gel-supported iron and cobalt derivatives}, year={1978}, doi={10.1016/S0022-328X(00)90952-5}, number={1}, volume={148}, issn={0022-328X}, journal={Journal of Organometallic Chemistry}, pages={73--80}, author={Wild, Ferdinand R. W. P. and Gubitosa, Guiseppe and Brintzinger, Hans-Herbert} }

eng Journal of Organometallic Chemistry ; 148 (1978), 1. - S. 73-80 1978 deposit-license Supported cyclopentadienylmetal carbonyl complexes : III. Silica-gel-supported iron and cobalt derivatives Mononuclear cyclopentadienylcobalt carbonyl and cyclopentadienyliron carbonyl derivatives were covalently linked to a silica gel support either by reaction of (C2H5O)Si(CH3)2C5H5 or of (C2H5O)3SiC5H5 with macroporous silica gel supported materials and subsequent treatment with Co2(CO)8 or Fe2(CO)9 or by reaction of (C2H5O)Si(CH3)2C5H4Co(CO)2 and (C2H5O)3SiC5H4Co(CO)2 with a silica gel support. In contrast to their unsupported analogues, no bi- nuclear or polynuclear species are formed from the SiO2-supported metal carbonyl derivatives even at temperatures up to 200°C. The cobalt derivative was found to be a catalyst for olefin hydroformylation reactions. Binuclear SiO2-supported species are formed when [(C2H5O)Si(CH3)2C5H4Fe- (CO)2]2 or [(C2H5O)3SiC5H4Fe(CO)2]2 are treated with a silica gel support. A large fraction of these surface-bound dimers are irreversibly converted into mononuclear hydridoiron carbonyl derivatives by hydrogen at elevated pressures. 2013-07-08T10:08:25Z 2013-07-08T10:08:25Z Brintzinger, Hans-Herbert Gubitosa, Guiseppe Gubitosa, Guiseppe Brintzinger, Hans-Herbert Wild, Ferdinand R. W. P. Wild, Ferdinand R. W. P.