PHOSPHINATED LINEAR POLYSTYRENE AS A LIGAND OF PALLADIUM CATALYSTS FOR ETHOXYCARBONYLATION OF 4,4'-DIBROMOBIPHENYL

Authors
HANAOKA T TAKEUCHI K SUGI Y TERANISHI K OKUNO M SATO T
Citation
T. Hanaoka et al., PHOSPHINATED LINEAR POLYSTYRENE AS A LIGAND OF PALLADIUM CATALYSTS FOR ETHOXYCARBONYLATION OF 4,4'-DIBROMOBIPHENYL, Catalysis letters, 28(2-4), 1994, pp. 337-342
Citations number
13
Categorie Soggetti
Chemistry Physical
Journal title
Catalysis letters → ACNP
ISSN journal
1011372X
Volume
28
Issue
2-4
Year of publication
1994
Pages
337 - 342
Database
ISI
SICI code
1011-372X(1994)28:2-4<337:PLPAAL>2.0.ZU;2-0
Abstract
Phosphinated linear polystyrene was synthesized and used as a ligand o f palladium catalysts. It showed high activity for the ethoxycarbonyla tion of 4,4'-dibromobiphenyl (I) in the presence of triethylamine. The catalysts acted as homogeneous under the reaction conditions (150-deg rees-C, p(CO) = 10 kg/cm2), and precipitated as solid materials after the reaction. Catalytic performances highly depended on the compositio ns of the solvent, and the highest activity was achieved in ethanol.