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Rhodium Complexed C 2 ‐PAMAM Dendrimers Supported on Large Pore Davisil Silica as Catalysts for the Hydroformylation of Olefins
Author(s) -
Reynhardt Jan P. K.,
Yang Yong,
Sayari Abdelhamid,
Alper Howard
Publication year - 2005
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.200505065
Subject(s) - hydroformylation , rhodium , dendrimer , chemistry , catalysis , polymer chemistry , organic chemistry
Polyamidoamine (PAMAM) dendrimers up to the third generation were grown for the first time on the surface of a large‐pore (18 nm) Davisil silica support. The supported dendrimers of generations 0, 1, 2 and 3 were phosphinomethylated and complexed with rhodium. All the generations were found to be very active for the hydroformylation of olefins. The hydroformylation of 1‐octene was accomplished with a turnover frequency of 1700 h −1 at 70 °C. The G(1) material was found to be the most active when the different generations were compared at 50% conversion at 70 °C