Title: Effect of ligand donor-acceptor properties on selectivity of catalytic olefin isomerization reaction
Abstract: Isomerization reaction of hex-1-ene, 1,5-hexadiene and 1,7-octadiene, catalyzed by HRh(CO)(PPh3)3 and HRh(PPh3)4 at 40°C have been studied. Hex-1-ene undergoes total conversion to hex-2-ene at presence of both of catalysts used, whereas isomerization of dienes is catalysed by HRh(CO)(PPh3)3 complex only. To explain observed differences in catalyst activity, theoretical calculations for model structures of [HRh(CO)3(hexadiene)] (I) and [HRh(PH3)3(hexadiene)] (II), by Fenske-Hall method have been done. The calculations allowed elucidation of the isomerization reaction course which depends on electron density distribution in rhodium-olefin complex as well as on the way of olefin coordination to the rhodium.
Publication Year: 1995
Publication Date: 1995-06-07
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 7
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