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Preparation and Use of a Polymer Supported BINAP Hydrogenation Catalyst

✍ Scribed by Bayston, Daniel J.; Fraser, Joanne L.; Ashton, Mark R.; Baxter, Anthony D.; Polywka, Mario E. C.; Moses, Edwin


Book ID
126115918
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
79 KB
Volume
63
Category
Article
ISSN
0022-3263

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The syntheses of new recyclable cationic BINAP type ligand diguanidinium 1 and PEG-bound BINAP ligand 2 are described. The use of ethylene glycol instead of water increased the enantioselectivity in the ruthenium-promoted hydrogenation reaction of functionalized ketones. These catalysts are highly a