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development and production of pharmaceutical intermediates. AHF integrates the introduction of versatile aldehyde functionality with the formation of a chiral centre. Dow's new generation of chiral bisphosphite ligands is claimed to expand the scope of the technology beyond the vinylarene substrates.
π SIMILAR VOLUMES
Hannover Fair.
POLYMERIC CATALYSTS: A CONTRIBUTION TO IMPROVE THE ECOLOGY OF CHEMICAL PROCESSES J o a c h i m K l e i n I n s t i t u t e o f C h e m i c a l T e c h n o l o g y , T e c h n i c a l U n i v e rs i t y o f B r a u n s c h w e i g, D-3300 B r a u n s c h w e i g , FRG -A b s t r a c t -P o l y m e r
A variety of modified Phillips catalysts were synthesized by employing three kinds of chemical modifiers for silica support: (1) organic modification with silane coupling agents, (2) Lewis acidic modification with typical metal alkyl or alkoxide, and (3) modification with transition-metal alkoxide.